Home

- NERC Open Research Archive

1. For as Alignment Bookl Microsoft Excel mulas Data Review General gt a3 gt lt 0 00 00 gt 0 Number Styles View g Insety Ev y rs g Delete E Z m Sort amp Find amp Est Format 27 Filter Select Cells Editing LOWER_SST LOWER_SST UPPER_CHALK MIDDLE_CHALK LOWER_CHALK OW ON TDW aw nn bh o M 4 gt r Sheet1 Sheet2 Sheet3 fa PORCUPINE_FM WEASEL_FM D ia Mm Ready 68 1 140 fl Geological Objects Cross Sections A Cropines e Boreholes pu A Dip and Strike Measurements o structure Contours dP Modelled Objects IE Stratigraphy ar q SST UPPER_SST E O LOWER_SST ea H Reference Objects Hierarchical stratigraphic sequence 93 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 7 2 3 Import GOCAD TSurf ts File This import function allows a TSurf file to be loaded into the work area Selecting this option from the menu provides a Load GOCAD TSurf file dialog box which allows the TSurf file to be found and selected Once the file is loaded it can be found in the tree structure under Reference Objects gt Meshes 7 2 4 Import Well Log Data las This import function allows a LAS file to be loaded into the work area Selecting this option provides a Load LAS File dialog box which allows a LAS file to be found and selected This load can take a little time to run s
2. y ee LC Ll LL Le box OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 Another way to set the active rock code is to pick the code up from an existing piece of linework To do this hold down CTRL and move the mouse across the line the rock code will be picked up and set as the active code 2 To start drawing a new cropline select one of the two drawing tools in the map window toolbar 4 Mapi x ma Ce E a p gt Hk iM The left hand pen tool allows you to draw a new line by holding down the left mouse button and dragging the pen across the map window to trace the new cropline until the mouse button is released Nodes are added automatically the density of which can be adjusted in the DRAW ribbon by using the slider marked Pen tool node density The line can subsequently be smoothed once drawn using the Vertex Edit Smoothing slider in the DRAW ribbon and moving the nodes around The right hand digitizing tool allows you to draw the line one node at a time giving greater control over node positioning along the line Use where positioning of nodes is more critical Single click to add nodes to the line and double click to finish the line Again smoothing is possible by later editing 3 Once finished drawing click the selected pen tool again to turn drawing mode off or leave the pen active to continue to draw another cropline 3 4 2 Editing A Cropline To edit a cropl
3. 23 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 Session Interoperability Tools Geology Help DATA DRAW CALCULATE CHECK Pen Tool Node Density Vertex Edit Smoothing g oe O COJO JM LLL m or234567890 0246802152 MJ ole ole ole ole 3 Mapi Xx H O 40 ck 7 ANN pi VA 3 4 2 2 CUTTING CROPLINES To cut a cropline or a set of croplines select the Cut lines button from the map window toolbar Using this tool draw a line from one side of the cropline to the other by clicking on one side of the line and double clicking on the other to finish the line A dialogue will appear asking if you wish to cut all lines using this path 24 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 El Groundhog Desktop Session Interoperability Tools Geology Help CALCULATE CHECK Pen Tool Node Density Vertex Edit Smoothing Recent Codes o a Ia A A PS 01 234536789 E 0 2 4 6 B 1012 141051820 E VA Mapi Xx ba O 40 ore 7554 pi Perform cut Select yes to cut the cropline ll Groundhog Desktop Session Interoperability Tools Geology Help DATA DRAW CALCULATE CHECK Pen Tool Node Density Vertex Edit Smoothing Recent Codes g 9 LCL ess D r 2 3 4 53 6 7 8 9 J9 z 02 4 6 8 10 12 14 16 18 20 moa A ee eee VA Mapi Xx bo 40 xc LI N4 y This is m
4. Enter the desired elevation value for negative values prefix with a minus sign 46 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 Absolute Elevation metres A fixed profile with ten vertices is generated at the specified elevation and can then be manually shaped as desired IMPORTANT Bear in mind that if a terrain model grid is loaded into the workspace and set as the Model Cap if you snap a correlation line to a manually created or edited profile the value from the grid layer will still be queried To prevent this from happening make sure to check on Freeze Profile in the cross section settings panel 4 11 SHOW HIDE LAYERS To make lines visible or invisible tick the relevant box in the lt section name gt objects gt Correlated units list in the right hand side Settings and Objects window Ticking a box makes that unit visible with un ticking making it invisible Example shown below sheffield2 Section Window iib O 2 xX Vertical Exaggeration 10 36 ON urssosr E u edo Profile source FROM XML FILE a a 4 _sheffield2 Settings gt sheffield2 Objects Correlated Units 4 12 DRAWING SUB DIVIDED STRATIGRAPHY It is possible to sub divide stratigraphy in a basic way within Groundhog Desktop There are two scenarios but the basics are the same 47 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 1 Where the base of the parent horizon is itself already subdivided 2
5. OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 5 1 3 Setting Colours And Ornaments Symbology Porcupine will apply its own set of colours and ornaments automatically using the matching values in the workspace legend For more details on setting up a colour legend refer to the Workspace section of this manual The colour and ornament of an individual log interval can also be edited manually via the interval properties dialog which will manually over ride the automatically applied legend values To open the dialog for a desired interval double click on the interval box in the log The interval properties dialog has two tabbed panels choose the tab marked Symbology Interval Properties READ ONLY Attributes Symbology Textures Grainsize Step 5 Preview The textures panel displays a list of any currently displayed ornaments NOTE Porcupine only loads a list of texture files that match the codes currently present in the loaded log data If the interval you are currently editing is using one of the currently loaded textures as its ornament the name label will be highlighted in red 66 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 To display a full list of all available texture images in the library click the Import all textures from library button This will load all available images from the texture_library folder 5 1 4 Choosing And Applying An Ornament To set an ornament for the in
6. Right click on the borehole in the map or in the object tree and select Create New Log mi ra E O de O RAZL E de View In Porcupine Document Create New Log Edit Borehole The log will be given a default label of LOG Workspace Geological Objects El Cross Sections 3 EBAY Croplines 3 gt Boreholes RH File Load 162 boreholes a ij Default Borehole Set 1 boreholes Ep x1 1 Home Farm Well HA LOG LOG Fi Faults AC Fold Axes i A Dip and Strike Measurements A dummy log is created coded as 1m of ROCK For details of how to edit logs refer to the Log View chapter of this document 30 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 3 5 2 Importing Boreholes Into The Map Refer to the Import gt Borehole Data dat section of the manual for details on loading borehole data from a spreadsheet Once the borehole data has been loaded it can be found under Geological Objects gt Boreholes To display in the map window expand the borehole tab in the data tree and right mouse click on the borehole dataset to select View all boreholes in map window FB Grounshog Desktop GSE Session Interoperability Tools Geology Help DATA DRAW CALOULATE CHEOK gt A ra Said Earth df uo x SECEDE 17 O AM p If borehole interpretations are attached to a borehole it is also possible to display a quick view of the attached interpretation s within the map window by holdin
7. being worked on e g cross sections maps boreholes 2 7 1 Supported Data Types Groundhog currently supports to varying degrees e Dictionaries e Colour legends e Elevation grids rasters e Unstructured meshes TINs e Boreholes e Interpreted cross sections correlation linework and fault sticks e Map linework croplines e Fault traces e Geological sequence tables e Images including geo registered images in map and section e Web Map Services WMS e Shapes For more details on each refer to the relevant sections below For most of the above Groundhog has its own XML based data file format referred to as Geological Object Markup Language goml Generally it is not advisable to edit these data files manually they are designed for data transfer and local project storage XML schemas for some of the key objects are available on request via groundhog bgs ac uk 2 7 2 Workspaces Groundhog workspaces are folders containing related collections of commonly used reference data A single workspace may support several Grounghog projects by containing all of the common reference data for those projects such as a national or regional rock coding scheme and a digital terrain model The default workspace is held in a folder called WORKSPACE DEFAULT within the installation directory Any reference data files included in this folder will be added to the default workspace You can create your own workspaces by compil
8. 1 0 Last modified 2015 09 03 09 12 be added to Reference Objects gt Grid Coverages in the object tree ASCII grids must have a header laid out in the following format ncols 2000 nrows 2500 xllcorner 100000 yllcorner 120000 cellsize 25 NO DATA VALUE 9999 154 6 157 2 159 8 161 4 162 7 164 3 165 4 DATA etc Groundhog will attempt to save a binary copy of the imported grid in the same folder as the ASCII file If this is not possible e g because the ASCII is in a read only folder Groundhog will instead save the binary file into the current workspace folder If the grid is large the conversion process may take a few moments To add a new binary grid to your workspace so that they are always available make sure to add a reference to it into the RESOURCES txt file otherwise you will need to re load the grid each session Use one line pre grid entry If you wish to set the grid as the default capping grid append the term MODEL CAP to the end of the row Note that the values in the row are tab separated E g GRID A Grid C Data Grid_l obgrid MODEL CAP GRID Another Grid Cr Data Grid 2 a6 If you add an ASCII grid to the RESOURCE txt file it will be automatically converted to binary The next time the workspace is loaded Groundhog will automatically find the corresponding binary grid file for the ASCII listing so there is no need to update the RESOURCE txt file after the conversion process 2 7 2 5 IMAGES Groun
9. 1643 48m 1670 0m 1648 48m 1675 0m 1653 48m 1680 0m 1658 48m 1685 0m CLAY CLAY null MUDSTONE CALCAREOUS CAMDST null SANDSTONE SDST null MUDSTONE CALCAREOUS CAMDST null 918 95m 987 55m 1663 48m 1690 0m on LIMESTONE LMST null 1668 48m 1695 0m 1673 48m 1700 0m 1678 48m 1705 0m 1092 69m 1161 29m NNT a 1683 48m 1710 0m a MUDSTONE MDST null 1688 48m 1715 0m 1187 85m 1388 58 1693 48m 1720 0m 1338 99m 1392 59m SS SS SANDSTONE CALCAREOUS CALSST null 1698 48m 1725 0m Ae Ea 1703 48m 1730 0m SS E E LIMESTONE LMST null 1708 48m 1735 0m 1379 2m 1447 8m z 1713 48m 1740 0m 1718 48m 1745 0m 1473 69m 1542 29m SANDSTONE CALCAREOUS CALSST null 1723 48m 1750 0m 1545 32m 1613 92m LIMESTONE LMST null 1728 48m 1755 0m 1733 48m 1760 0m 1738 48m 1765 0m 1743 48m 1770 0m 1748 48m 1775 0m 1753 48m 1780 0m 1758 48m 1785 0m 1763 48m 1790 0m 1768 48m 1795 0m 1773 48m 1800 0m 1778 48m 1805 0m 1783 48m 1810 0m 1788 48m 1815 0m 1793 48m 1820 0m Gamma log loaded as pick based data and drawn as a curve Interpreted drillers log loaded as interval based data and drawn as a log 1 2 1 2 MAP CAPABILITIES SILTSTONE SLST null LIMESTONE LMST null MUDSTONE CALCAREOUS CAMDST null LIMESTONE LMST null MUDSTONE MDST null Groundhog can load and display geological map linework in terms of horizon BASE conta
10. 74 Unticking the checkbox will return to displaying only the x and y coordinates in the lower left corner of the map window 3 9 2 Simplified Croplines Ticking the checkbox labelled Show Simplified Croplines will graphically simplify any croplines displayed in the map window using a distance tolerance of 50 to remove nodes from the line It is useful when working with large detailed projects as it speeds navigation by making the map window more responsive 53 40 EH NNA y 53 40 D NNA p To display the simplified croplines after ticking the checkbox move the mouse cursor over the map window in order to force the window to refresh Ticking the checkbox only removes nodes for graphical display All original nodes are retained on the cropline object Unticking the checkbox will return to displaying all the original nodes Again once you have unticked the checkbox move the mouse cursor over the map window in order for the window to refresh NOTE This feature should be disabled when editing linework 36 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 393 Background Colour This option allows the background colour to be specified using the Select Colour dialog Sample Text Sample Text After choosing a background colour the map window is displayed with this colour as the background 00 de O NAZ yy X 548956 59 Y 107070 13 Z av OY Project A little te
11. A GT O ti seuson niroprr be tosh Geciogy Pip CATA pl LATE CHAO H cS oy Workup P Oise ater tt cess k z Boiga ea ot ah Bk gy El le a ra A Otc m ri pira 1 ee Cropper F Coe eer as boi de ff reas F cape oc faid A Co ed Sind Ly roo T kF kaTa t dei E heaped Cipri AS E ESEO E ELN E p a a Mo 5 i Ll as era al only L B i m la E wort hifas Jaret LETHE Bex All otal Bow nm Bs E T l F a Cow Eaters UE i r Eag The import supports a simple list which is a spreadsheet with a single column listing the sequence strat codes or a hierarchical sequence via the use of multiple columns 92 OR 15 046 Final 1 0 y Q ro Hi 2 5 it M Alig e Booki Microsoft Excel Formulas Data General ag 9 0 00 00 0 nment P Number o B xg Review View A gInserty E Y 3X Delete 7 GA y Hed Format yr Cells Editing aOc Px fe SOIL WOON Dim SP WN o o 4 gt mM Sheet1 Sheet Sheet3_ 2 E D Ready D aA TOS M 140 E Last modified 2015 09 03 09 12 A Workspace R Codes E Log view Hi Grids _ Workspace B H Cerbogial Objecte f Cross Sections Boreholes ff Faults K Dip and Strike Measurements A Structure Contours E 3 E Stratigraphy H son E orr 1 LGS E RISG E ss P c E H Reference Objects Simple stratigraphic sequence
12. Fault Sticks Fault sticks represent the fault plane in cross section They are constructed much like a normal correlation line To draw a fault stick pick the Fault code from the lower panel in the object tree Codes tab and use the pen or digitizing drawing tools to construct the line in the cross section gt 3QCO COAL THREEQUARTERS COAL SOUTH 30QCW COAL THREE QUARTERS COAL WARW 4 i I Shape 85 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 Positions where fault traces cross the section are shown as dashed vertical markers This aids you in positioning of fault sticks to tie in with the map traces Drag the top node of the fault stick towards the vertical marker to snap it 2 Note that fault sticks do not have to come up to the terrain profile they can terminate within horizons In the map view the top node of a fault stick is shown as a dot If the stick reaches the terrain profile the dot will be red if it terminates at depth it will be orange Stick terminates inthe sub surface Stick terminates at the ground surface Se Once fault sticks are constructed correlation lines can be snapped to them as described in general editing in the main Cross Section Window part of this manual 6 1 3 Fault attributed Croplines OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 Croplines can honour faults in two ways 6 1 3 1 1 SNAP TO FAULT TRACE Croplines can be snapped to fault
13. Kessler Steve Mathers and Ricky Terrington This manual provides information on the use of the software for external clients OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 Contents Foreword O i COMME IIS want O il T COVE annaa dieu teha anaes 4 Ll BESOS Weoo 4 1 2 BG Groundhog Desktop OSIS esistesse ea a EE 4 2 The User Itaca e 8 TE OOM GI aise ayaa E 8 2 AVC EMIS pacar rot erase nba utah rato rag awareness EEE aie endo 8 2o Toolbar Beal oem ne eee eer E ern ney Mere O ery 8 DA WOK O ACE alle A RT 9 Dees UN A NO 11 ZO COSS SCCM OU as oia 11 2b WWOEKSDACES and Project tii ed dci 12 J Map IMA Wisin 18 Sel Views Objeci n 18 Ja LOOSE ADA PAG aia 18 I Cros SECONDS aid 18 zE CODES eeraa a a a 20 RI BOREHOLES eani N E eee 29 A E 31 a Display Correlated Extensa dadas 34 3 8 Showing Hiding Map Window Objects oooooooncccnccncccnnononcccnnnnnnnononononnnnnnnnnnnnnnnnnnnnss 35 39 Map Wndow SeN OS ai ds 35 A O irea Eaa EANET i 38 Al Zoomin ANd PANNING oeii E Aa a EE 38 42 Vornical ERAS SELAULO Mesa chet sah a a a edraataeem 38 AS UndO REO iia 38 Ad Drwm Cortelaton TES a 39 A O e udentousihansee s 40 AO SS IVA PIM rience meee aes eee 40 Ad Jonne Com aton EINES ii 45 Ae Dekano IM E E E E 45 A o A 46 A Generates a Loran pro alicia 46 AM SBowElde aver nia pata 4 4 12 Drawing Sub Divided Stratisraph co indias 4 413 Works With Pants In SCC OM yaaa 49 Bela WandOW etnias lala 52 AN
14. a number of borehole interpretations Changes can be made to the top and base depth values for the interval The ft in button alongside each of the two fields allows the depths to be entered in imperial Porcupine will automatically convert them to metric and place them in the appropriate field If changes are made to the top and base values without consideration of any adjacent intervals an overlap may occur This will be shown graphically as a red border in the strat column for any intervals with overlapping problems To resolve the overlap the top and base values of adjacent intervals will need adjusting or alternatively overlapping intervals can be deleted and removed completely 71 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 Elevation Drilled depth 9 65m O Om 68 65m 1 0m 5 65m 4 Om 3 65m 6 r 0 45m 9 2m When an interpretation has been modified the borehole and interpretation icons will change in the dataset tree to indicate that changes have been made a pen icon appears alongside the standard interpreter icon Remember edits are only held in the Porcupine session and not automatically applied back to the data files or the Oracle database If Porcupine is closed without committing edits back to the database then the changes will be lost For more detail on committing changes back to the database refer to the later section Workspace al es Geological Objects nan 0 Cross Sections H A Croplines g
15. backups should not present any data volume issues and superfluous backups can be deleted manually 1f desired 17 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 3 Map Window Map windows can be created either by sending existing loaded objects to them or by creating a new blank window To open a blank map window use Session gt Windows gt New Map Window then click on the zoom to full extent button At the current time there is no undo redo capability on map objects this function is still in development 3 1 VIEWING OBJECTS Many objects in the object tree can be viewed in map windows via right click gt View object s in Map Window This opens a sub menu where you can either create a new map window or select an existing map window 3 2 ZOOMING AND PANNING Panning in the map window is achieved by holding down the left mouse button and dragging in the relevant direction Zooming in and out can be done by either 1 Using the mouse wheel or q e 2 Using the land buttons on the toolbar to incrementally zoom in or out al To zoom to the full extent of the window use the button E 4 When you zoom in and out using the mouse wheel the reference point for the zoom will re focus on the mouse cursor position making it very easy to zoom in to an exact point of interest very quickly 3 3 CROSS SECTIONS Cross sections can be viewed as a line of section in the map window Hold down the SHIFT key and hover over
16. hangingwall and footwall crops two other segments of normal cropline Presence side seeds have been set here too refer to editing croplines general section in the manual for more detail Repeat for other horizons 89 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 If you need to drag the end of a cropline across a fault trace without it snapping hold down the CTRL key as you drag 6 1 4 Fault attributed Correlation lines By snapping correlation lines to fault sticks in section you can start to build up the relationships and throws on the fault planes 90 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 0 2 4 6 8 10 12 14 16 18 20 mi Xx Da E 40 Fault By KX 4 yy va 3 X 592161 73 Y 273832 01 Z av si_x sua _x 1_x 2 x 3 x Vertical Exaggeration 1 0 Bd O N Faut Bk Undo Redo Profile source OS Open Data DTM 50m Three sections above displayed as 3D linework in SKUA GOCAD Q SKUA GOCAD MAIN TEST PROJECT Locked scenario Project 3D Viewer fol 2 qe File Edit View Applications Windows Commands Help Xx DSEAR Re DE la il ed BO Viewer Workflows Data Results gt CUP Display Elements Gx gelo D E i amp Objects mY x Name Domain 4 V Horizons Y A BHOS AMPHB Y GA FAULT_STICK 3 amp unassigned Objects P x Name Domain QS QROresH Ol MADREDE Vea lt lt 9
17. location to be specified This export currently supports only the cross sections Map and borehole are still in development One Pline pl format file is created for each Cross Section loaded into the current workspace These are placed in the location that has been specified If files already exist in the given location with the same names as the ones produced by this function they are overwritten by the new files At the moment this export only operates on the cross section objects and not on the map linework this second feature is in development 99
18. new section it can be useful to overlay an existing image to act as a backdrop when drawing linework Good examples would be seismic traces in the field quarry cliff face images etc Follow steps below 1 Load the image into the workspace On the top menu go to Session gt Load referenced object gt Image The image then appears under the LHS referenced objects window under workspace gt Images 2 Bring the image into the section window by right clicking on the section in the same reference objects window and choose Attach Image In the dialog presented choose the desired image from those loaded in the session 55 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 3 The image will appear at a small default size Click and drag to expand to the required size The top left node on the image is used to position the image drag to position and the bottom right node is used to stretch it drag to resize 60 9 9 9 9 o p E el a 2 y o Now draw linework over the image 56 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 4 16 SECTION COLOURING UP TROUBLESHOOTING GUIDE Within the section window areas of rock polygons are coloured with the colour associated with the rock code For the polygon colouring to work correct the linework must be clean and properly snapped otherwise the correlation linework will appear just as lines There are a number of rules that must be u
19. of information available the BGS have released free models for several areas of the UK that reflect a range of geological settings You can try it here http mapapps bgs ac uk geologyofbritain home html mode groundho A commercial version provides access to a selection of our commercial geological models https shop bgs ac uk Groundhog For further information regarding BGS Groundhog Web please contact our Enquiries Service enquiries bgs ac uk 44 0 115 936 3143 1 2 BGS GROUNDHOG DESKTOP GSIS BGS Groundhog Desktop GSIS Desktop GeoScientific Information System hereafter Groundhog is a graphical software tool developed by the Environmental Modelling Directorate of the British Geological Survey for the display of geological and geo spatial information such as interpreted correlated geological cross sections maps and boreholes The software is available under the UK s Open Government Licence http www nationalarchives gov uk doc open government licence version 3 This means the software is free to use exploit and re distribute for academic personal research or commercial purposes subject to the terms of the UK s Open Government Licence We also require that you acknowledge the software in the following way wherever you use it to create or deliver any product data information or report e BGS Groundhog Desktop Copyright BGS NERC year OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 For
20. sketch over an image etc This feature is intended for rough sketching in a separate layer with the idea that geological attribution could be added later on although this feature is still in development To draw a new line between points of reference click on one of the two pen tools in the section window taskbar as shown below sheffield2 Section Window Vertical Exaggeration 1 0 Y Bit E Undo Redo Profile source FROM XML FILE The left hand pen tool allows you to draw a new line by holding the left mouse button down and dragging the pen across the section window until the mouse button is released Nodes are added automatically the density of which can be adjusted in the DRAW ribbon by using the slider marked Pen tool node density Note that the line can subsequently be smoothed once drawn using the Vertex edit smoothing slider in the DRAW ribbon and moving the nodes around The right hand digitizing tool allows you to draw the line one node at a time giving greater control over node positioning along the line Use where positioning of nodes is more critical Again smoothing is possible by later editing 39 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 4 5 EDITING LINES To edit a line you must first make the line active by clicking on it with the left mouse button The nodes are then displayed as shown below and the line itself will appear green Nodes can then be moved as appropriate wi
21. still in development it should be enough to get out of most problems To undo or redo any changes made use the Undo Redo buttons on the right hand side of the taskbar 38 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 44 DRAWING CORRELATION LINES To start drawing choose the DRAW option from the main taskbar giving you the drawing ribbon Then choose the type of geological line you wish to draw either by selecting from the Codes tab in the left hand object reference tree by selecting from the Recent Codes panel in the DRAW ribbon or by holding CTRL and dragging the mouse across an existing line to pick up its code 1 For correlation lines representing the bases of units choose the relevant Lithostratigraphy Lithology combined code from the Rock code library This will then appear in the currently blank text box in the section window taskbar indicating the labelling for the current working line 2 For all other types of geological object Fault Profile or Shape choose from the Lines option at the bottom of the Code tab in the object tree 2 1 Fault Draw a line representing a fault stick 2 2 Profile Draw a terrain profile Note here that a DTM will normally be available and a profile will be loaded automatically If not available draw from scratch by choosing profile and drawing line If is available you can delete the pre loaded line and draw your own 2 3 Shape Draw an irregular shape such as a lens or
22. that is inherited from a connection to a mapped fault you will not be able to rename the individual stick and will see this message Cannot Re name Fault Stick O Cannot re name fault stick as it is snapped to a mapped fault that is already named 51 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 If you connect a fault stick to a mapped fault marker and the mapped fault fault trace already has a name you will be prompted to confirm that the fault stick will inherit the name label of the mapped fault Naming Fault If you connect a named fault stick to the marker of an un named mapped fault fault trace or if you name a fault stick that is already connected to the marker of an un named mapped fault fault trace you will be prompted to name the mapped fault using the same name Sa Re name Mapped Fault Parent mapped fault has no name Do you want to give it the same name as this fault stick 4 14 WINDOW SETTINGS In the same right hand side Settings and objects window click on the settings tab This brings up a series of buttons and checkboxes As shown jects Section 1 Settings Set Background Colour Show snaps Freeze Profile F Show polygon borders Show polygons i Mi i i Cu p 4 gt Update profiles la Create fixed elevation profile Show Hide Cropline Markers xport to SVG 32 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 4 14 1 Background
23. these two lines has fixed two polygons the yellow one and the more laterally extensive brown polygon aw Ingham_6 gt Vertical Exaggeraton4 o H OONN yrs EJ undo Redo Profile source dim Ni Other Paha GE EE Ga me rid Gf We 134 59 Z 10 01 X 384620 22 Y 269213 40 arm_180215 90p lonce A A a a odo view 10 Messages 60 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 If two lines cross the section will not colour up properly dat Set Pat 6 OOO Al ak Ab E A P t O OOD ODO es i a Pm x Pat gt pA A x N 2 EN E mM H 2 re on oO aro E ME lo 4 coh T oz el nu 2 5 Oyo o a 13 Pa O 32 oo o oO z aD DP gt sol I o a a y l o I 3 a va ta 10 ta A a ta O Q 0 Q D D T a tai o oD D D pa i T Oo Doo D i o 1 2 w aja m aD o bot E 5 3 oO oo o Snapping the lines back to the other line solves the problem 32 aD e On O e OOO A A ah i A e DO CO Ora es 9 4 L i l Pias y ra x x x lt pss e x E E Mo a ai N A 2 rs Ron oO ara 1 o 2 4 con a wo D Y no o O a Oyo D E 5 o z Qu o o O oD O e a ol I D a e Ido l 2 4 la a via a 15 A a 3 ite O Wo 3 Oo wo fu 300 D ite iva DD D D i T D OD is roo i T 2 mw 00 m a m m a 0 a ha D a iw a 5 7 7 y wo CS a E 61 OR 15 0
24. traces in the map This is not always desirable depending on the nature of the geology however Two scenarios where it does make geological sense are 1 Where the fault plane is exactly vertical 2 Where the fault comes to the surface and the cropline is at outcrop 6 1 3 2 2 CONSTRUCT FAULT CROP Where the cropline runs into the fault plane at depth it often makes no geometric sense to snap the cropline to the fault trace especially if the fault plane is non vertical In these cases construct a cropline to represent the crop of the horizon on the fault plane Consider the following map 87 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 Sketch the fault crop as two additional lines implies the fault is dipping to the South East in this example Join the croplines together by dragging their end nodes together Right click on the cropline segments which run along the fault crop and choose Add Fault Crop Attribute This flags the cropline as a fault crop note that for this approach to work the croplines on the fault crop must be separate objects if necessary split down existing croplines to achieve this A Split Line Delete Line Form Polygon Add Fault Crop Attribute Fault crop attributed cropline shows with red nodes to indicate fault crop 88 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 Completed linework for the blue horizon showing two segments of fault crop
25. will also be labelled The top of a fault stick can be attached to this marker to make a connection between the two objects This is helpful when grouping fault sticks by fault for example if you wish to export the geometries to a 3D or CAD package for meshing or modelling 50 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 Simply drag the top vertex of a fault stick towards the fault trace marker to make the connection Once connected the top vertex can only be moved vertically To remove the connection hold down the CTRL key and drag away Fault 4 Fault B Fault 4 Fault E 4 13 2 Naming Faults Mapped faults and fault sticks can have names associated with them This can be useful if you have a fault naming scheme you wish to use for ease of identification To name a mapped fault fault trace right click on its entry in the object tree and choose Re Name Fault You will be prompted to also name any fault sticks that are attached to this fault in cross section In general the name of the mapped object over rides the name of individual fault sticks so a re name here will re name the associated fault sticks even if they were previously named To name a fault trace make the line active in the cross section and use right click gt Re Name Fault Stick and enter a name in the dialog Re Name Fault Stick O Please provide a new name for the fault stick e If the fault stick already has a name
26. 1 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 7 Interoperability 7 1 IMPORTING PROJECTS FROM GSI3D Groundhog currently has no direct support for loading directly from GSI3D and a conversion of the data is therefore required For advice on how the conversion can be done please contact eroundhog bgs ac uk 72 IMPORT All the imports described below are selected via the import menu which is reached by selecting Interoperability gt Import 7 2 1 2D ASCII Grid asc This import function allows a different 2D ASCII Grid to be loaded into the work area Selecting this option from the menu provides a Select grid file for import dialog box which allows the grid file to be found and selected Once the grid has loaded it can be found in the tree structure under Reference Objects gt Grid Coverages To set it as the model cap right click on it and select Set As Model Cap 7 2 2 Import Geological Sequence From Spreadsheet This import function allows a Geological Sequence stratigraphy file to be loaded into the work area Selecting this option from the menu provides an Open geological sequence file dialog box which allows the stratigraphy file to be found and selected The stratigraphy is not directly used for anything at the moment but could be a useful reference Once the file is loaded the information can be found in the tree structure under Geological Objects gt Geological Sequence A corro Det Gt
27. 16 92 C 584630 64 Y 269191 31 am_180715 90p View Error Messages One of the correlation lines does not quite reach the end of section as demonstrated within the red circle Also if there are duplicate nodes along some of these lines Clicking the Clean section button solves this problem 58 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 A A A A EE LO SE SS oy Ue ee ee ee ee D EAT GaP Gia ke tid Gf W 109 08 Z 38 43 X 584609 35 Y 269236 47 am_100215 909 loaded View Error Messages 59 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 In the following section the yellow line looks like it is one correlation line L i x gt gt x x gt x A x se Z N 2 bn Rp N ra Ron oO gro E E M o 4 con a i D gsl M E Quo o n o 5 o q o a fa gt aD o re l a a A Y Ido I 1 o lla vio o 10 its 3 ive O wo 3 O O D 300 D ita Ww Do oo D D fu D oO Doo D i o mu 50 m m aD 2 0 Pot 5 mr oO ma 5 co In fact it is two lines which is causing some polygons to fail A P a e y 1 y gt se 3 E A t ae Y o E y ZE BE g EB g5 gt t lE Gade GE Gh th iil bf These two lines which have the same rock code attribution need to be joined together by dragging one of the end nodes of one line towards the end node of the other line Note that simply joining
28. 2 1963 Maclean Building Crowmarsh Gifford Wallingford OX10 8BB Tel 01491 838800 Fax 01491 692345 Geological Survey of Northern Ireland Colby House Stranmillis Court Belfast BT9 5BF Tel 028 9038 8462 Fax 028 9038 8461 www bgs ac uk gsni Parent Body Natural Environment Research Council Polaris House North Star Avenue Swindon SN2 1EU Tel 01793 411500 Fax 01793 411501 www nerc ac uk Website www bgs ac uk Shop online at www geologyshop com OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 Foreword BGS Groundhog is a software platform developed by the British Geological Survey BGS for the management and display of subsurface geological information There are two main components 1 BGS Groundhog Web 2 BGS Groundhog Desktop GSIS This user manual relates specifically to the Desktop GSIS component of the platform The software is available under the UK s Open Government Licence which means the software is free to use exploit and re distribute for academic personal research or commercial purposes subject to the terms of the UK s Open Government Licence Groundhog Desktop is intended as a basic GeoScientific Information System GSIS a software tool which facilitates the collation display filtering and editing of a range of data relevant to subsurface interpretation and modelling It has been developed by the Modelling Systems software development team with help and advice being provided by Holger
29. 46 Final 1 0 Last modified 2015 09 03 09 12 Having two nodes on the end of section boundary for the same line causes a problem Vertical Exaggeratons o TO ON y s C undo Redo Profle source dtm aic N 4 Setimos Ingham_6 Objects Correlated Units All units 1 it Y bsa 12 head i a isg La ck 17 o 7 nso E igs a Other W 253 98 Z 43 25 X 584668 19 Y 269104 14 m_180215 90p Error Messages Deleting one of these nodes solves the problem This situation 1s not always obvious so 1f you have a problem polygon always try an un snap and a re snap at each end of the line this may reveal duplicate nodes and other issues that are not graphically apparent W 138 93 Z 43 92 X 584622 08 Y 269209 48 Error Messages 62 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 5 Log View The Log View window component is known as Porcupine which is a sub component of Groundhog that is designed to also operate stand alone for other purposes It can be found in the Log View tab of the workspace panel It is a combined borehole viewer and editor It is linked to the BGS SOBI and Borehole Geology databases You can use it to e Visualize borehole logs and customize their appearance e Make changes to borehole log interpretations or create new interpretations At present you cannot use Porcupine from within Groundhog to commit changes back to the Oracle BoGe database that capability is still being tested an
30. Colour To set the background colour click on button labelled same and choose a colour in the new pop up window Click OK after choosing colour The colour is now applied to the backdrop of the section 4 14 2 Show Hide Snaps Tick or un tick the checkbox labelled show snaps to switch between visible and invisible for the snap nodes 4 14 3 Show Polygon Borders This will draw black borders around the polygons This can be useful to highlight the stratigraphy especially if several similar colours are in use in the legend 4 14 4 Show Polygons This is checked on by default and simply provides a way to switch off the polygon rendering should you wish to work with the raw linework only 4 14 5 Freeze Profile The software will automatically resample the DIM when snapping correlation lines work to the terrain profile in order to get the highest resolution on the snap position However this is not always desirable To freeze the DTM profile line so that re sampling is NOT applied on snapping check the box with same name When the box is un ticked the profile will be re sampled to finer detail as the snapping takes place when this is appropriate not already at highest resolution This allows exact snapping to a DTM without the need for full resolution detail along the entire profile 4 14 6 Borehole Options Boreholes will automatically appear in the section if your section drawn in the plan window includes boreholes as node points coincide
31. Colours are held in a tab separated text file called LEGEND txt in the workspace folder WORKSPACE DEFAULT LEGEND txt You can add colours to the Groundhog workspace by adding to this file or create your own file The format is CODE GREEN BLUE ORNAMENT IMAGE Colours are defined in the RGB colour model http en wikipedia org wiki RGB_color_model where values for each colour are between O and 255 2 7 2 4 ELEVATION GRIDS Groundhog supports regular grids for elevation models for example a Digital Terrain Model At least one grid to define the model cap normally a terrain model is required as this will be used to auto generate profiles for the cross section windows Groundhog has its own binary format for grid data which enables it to maintain a permanent reference to a master terrain model and query the necessary elevations and profile as required for example when a new cross section is created or loaded This format is a binary version of an ESRI style ASCII grid file http en wikipedia org wiki Esri_grid and is very efficient because you can have a regional or national DTM coverage registered with Groundhog without any computer memory issues Groundhog will automatically query this data layer as necessary Loading Grid Data ASCII grids asc can be imported via Interoperability gt Import menu and will be automatically converted to the Groundhog binary format in the background The object will 14 OR 15 046 Final
32. Dip and e Mea vert X Structure Contours S Modelled Objects E Stratigraphy y File E as files Recall logs NYOO0NE_30 las loaded If a new Porcupine document is created it is given a name here Document name Please enter a name for the new document j Gamma Ray GRGAPT f ep Laterolog Resistivity LLD OHMM H E Deep Resistivity LLG OMMM H H Shallow Lateroloa Resistivity LLS OMMI Details of the Las file are shown in the document The Las file shown below does not have any measurements until after 15 metres so nothing is shown here 80 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 va S Workspace AE codes B Log view jill Grids E las log S le 1 100 U ee Borehole 10 1 BGS Ref Las File iE las Mes PRecall logs WYOONE _30 las Start height 163 01m Drilled depth 246 2704m Borehole name null Easting Nor thwng 307214 0 505015 0 Curve Name Gamma Ray CGR GAP1 Value R Elevation Drilled depth A M 163 01m y 0 0m 2 158 01m 50m 15301m 10 0m 148 01m 15 0m K ay d Show headers Show unit ornaments v Show description column Show interval stepping File E las files Recall logs NYOONE_30 las loaded If the scale is changed to 1 500 measurements can now be seen va Workspace ff Codes gt Borehole ID 1 BGS Ref Las File E las files Recall logs NYOONE_30 las aw Start he
33. Earth 3 wo G Wey Outcrop snap As the end node of the correlation line is dragged towards position on the profile corresponding to the cropline for this rock code two parallel vertical lines appear in the colour of the matching rock code marking the area where the node should be snapped Within this vertical region drag the correlation line node up to the profile to snap exactly to the corresponding Cropline position Profile source Bald Earth Once the node is snapped it cannot be moved only unsnapped The marker now has a double line around the square to show that it is snapped g weybul Subcrop snap ile source FROM XML FILE As the end node of the correlation line is dragged towards the cropline position for this rock code two EA parallel yellow lines appear marking the area where the node should be snapped Profile source FROM XML FILE Once the node is snapped it cannot be moved only unsnapped The marker moves down onto the correlation line to which the line has been snapped and now has a double line around the square to show that it is snapped 43 OR 15 046 Final 1 0 Profile source FROM XML FILE Last modified 2015 09 03 09 12 Fault crop snap As the end node of the correlation line is dragged towards the cropline position for this rock code two parallel lines appear marking the area where the node should be snapped Once the node is snap
34. Edinburgh London and Cardiff Welsh publications only see contact details below or shop online at www geologyshop com The London Information Office also maintains a reference collection of BGS publications including maps for consultation We publish an annual catalogue of our maps and other publications this catalogue is available online or from any of the BGS shops The British Geological Survey carries out the geological survey of Great Britain and Northern Ireland the latter as an agency service for the government of Northern Ireland and of the surrounding continental shelf as well as basic research projects It also undertakes programmes of technical aid in geology in developing countries The British Geological Survey is a component body of the Natural Environment Research Council Last modified 2015 09 03 09 12 British Geological Survey offices BGS Central Enquiries Desk Tel 0115 936 3143 email enquiries bgs ac uk Fax 0115 936 3276 Environmental Science Centre Keyworth Nottingham NG12 5GG Tel 0115 936 3241 email sales bgs ac uk Fax 0115 936 3488 Murchison House West Mains Road Edinburgh EH9 3LA Tel 0131 667 1000 Fax 0131 668 2683 email scotsales bgs ac uk Natural History Museum Cromwell Road London SW7 5BD Tel 020 7589 4090 Fax 020 7584 8270 Tel 020 7942 5344 45 email bgslondon bgs ac uk Columbus House Greenmeadow Springs Tongwynlais Cardiff CF15 7NE Tel 029 2052 1962 Fax 029 205
35. Final 1 0 Last modified 2015 09 03 09 12 3 6 1 Naming Faults You can specify the name of a fault via right click gt Re Name Fault on the fault object in the object tree gf Faults s A Dip and Strike Meas View Fault In Map d a Structure Contours Delete from Workspace IF Modeled Objects GOS Tools JB Geological Sequence Re Mame Fault London Fault You will be given the option to also name any fault sticks in the cross sections that are attached to this fault trace on the map Rename Fault STicks You have renamed this Mapped Fault Would you like to rename associated fault sticks Note if the cross sections containing these fault sticks are in GOS they will need to be checked in to GOS 3 6 2 Splitting Croplines Using Faults To split any croplines that intersect with a fault line right mouse click on the fault line and select Split intersecting croplines This will display a dialog listing all the croplines that intersect the fault line allowing you to choose which lines to split Choose Which Lines To Split Cancel Depending on the nature of the fault and whether it comes to the ground surface you may want to only choose a subset of Cropline rock codes to split with the fault Once selected click OK and the corresponding croplines will be split at the point where they intersect the fault line 33 OR 15 046 Final 1 0 3 7 DISPLAY CORRELATED EXTENTS With cross sections visible in the m
36. LAY BOULDERY UNLITHIFIED DEPOSI CB null 5 2m 11 58m SAND UNLITHIFIED DEPOSITS CODING 64 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 5 1 2 Setting Log Display Properties General document display properties can be controlled using the check options along the bottom of the document window From here the log headers ornaments descriptions and stepping can be switched on and off Show headers Show unit ornaments x Show description column 7 Show interval stepping To edit the display properties for an individual log in more detail open the display properties dialog for that log by either double clicking in the log s header at the top of the document or by right clicking on the log itself make sure to right click on the actual log interval column rather than the scale or description columns and choosing Log properties i Log properties TYBY Header Title Borehole ID BGS Ref Borehole name Easting northing Start height Drilled depth Logo E Notes Drilled date Interpreter Log Show lithology codes Show full lithology descriptions F Show stratigraphic codes Show full stratigraphic descriptions Show comments field Fields can be added to or removed from the header and a title and notes added Additional options can also be selected to display extra properties in the description area of the log to include or exclude lithology and or lithostrat as full descriptions and or codes 65
37. OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 British Geological Survey NATURAL ENVIRONMENT RESEARCH COUNCIL BGS Groundhog Desktop Geoscientific Information System External User Manual Modelling Systems Internal Report OR 15 046 Desktop GSIS OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 BRITISH GEOLOGICAL SURVEY MODELLING Systems INTERNAL REPORT OR 15 046 BGS Groundhog Desktop Geoscientific Information System External User Manual Ben Wood Tanya Richmond Jenny Richardson John Howcroft Keywords Groundhog Groundhog Desktop BGS Groundhog Desktop Geoscientific Information System External User Manual British Geological Survey Internal Report OR 15 046 Copyright in materials derived from the British Geological Survey s work is owned by the Natural Environment Research Council NERC and or the authority that commissioned the work You may not copy or adapt this publication without first obtaining permission Contact the BGS Intellectual Property Rights Section British Geological Survey Keyworth e mail ipr bgs ac uk You may quote extracts of a reasonable length without prior permission provided a full acknowledgement is given of the source of the extract NERC 2015 All rights reserved Keyworth Nottingham British Geological Survey 2015 OR 15 046 Final 1 0 BRITISH GEOLOGICAL SURVEY The full range of our publications is available from BGS shops at Nottingham
38. OWESTOFT FORMATION 5 3 7 Confidentiality Filter This allows you to filter on the confidentiality code of the borehole entry 1f such a field is populated in the borehole data There are 5 numeric codes 4 Filter by confidentiality 1 NO CONDITIONS APPLIED NON CONFIDENTIAL 2 PROTECT MANAGEMENT CONDITIONS APPLY 3 POSITION OF BORE AND NAME OF OWNER MAY BE GIVEN 4 EXISTENCE OF BORE WITHIN AN AREA AND OWNERS NAME MAY BE GIVEN 5 BGS WILL CONSULT OWNERS BEFORE ANY INFORMATION IS GIVEN You can find the confidentiality of a particular borehole by hovering over it in the dataset tree and reading the tooltip that appears Also 1f a borehole is level 2 or 3 you will see an amber asterisk to the right of the log icon if it is a level 4 or 5 the asterisk will be red po J A The filter gives you the option to remove levels of confidentiality from the dataset Simply select the levels you wish to retain and click Apply For example if you do not want any 78 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 confidential boreholes in your dataset only select 1 NO CONDITIONS APPLIED NON CONFIDENTIAL 5 3 8 Filter Chaining The filters can be applied successively against the same data set to refine 1t For example 1f you were only interested in having borehole interpretations with a drilled depth of more than 10m which have CRAG GROUP coded in them preferably by HBU but failing that by RTE then you co
39. S Att chino AN Ma Ceea a a a a 55 11 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 4 16 Section Colouring Up Troubleshooting GUIAE oooonnnnnnnccncnnnnocnnnnnnnnnnnnnanancnnnnnnnnos 57 S LOB VIC Woods 63 5 1 Displaying borehole InterpretatiODS ccccccocnoooonnnnncnnnnnnonnnnonnnnnnnnnnnonnnnnnnnnnnnnnnonanannnnnss 63 32 AA a E anaes 68 So PIEN O PC casa Ut alsa sada O ee See 76 Sd View ine Curve Lora alain lla 80 A a aieiaiies 84 Ol Ault OMSUIMCUIOM sino 84 lc o AA A A 92 kl porine projects FONOS DD A AS 92 T2 MP A AAA A 92 A 4 9 Eee mR ee OR PE RP TR 99 111 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 1 Overview BGS Groundhog is a software platform developed by the British Geological Survey BGS for the management and display of subsurface geological information There are two main components 3 BGS Groundhog Web 4 BGS Groundhog Desktop GSIS A brief description of the Web component is given below but the remainder of this user manual relates specifically to the Desktop GSIS component of the platform 1 1 BGS GROUNDHOG WEB BGS Groundhog Web is a web based virtual borehole and section viewer which allows the user to drill virtual boreholes and slice through a geological model both vertically and horizontally using interactive tools on the fly This tool offers a glimpse into how geological models will be increasingly made accessible via the Web To demonstrate the type
40. WORKING WITH FAULTS IN SECTION The expression of a fault plane within the plane of the cross section is captured by drawing a line referred to as a Fault Stick To draw a fault stick select the code Fault from the codes panel and start drawing Correlation lines must be split across the fault sticks and then snapped to either side usually with an offset representing the displacement on the fault This can be done either by drawing the fault first and then drawing two correlation lines either side or by drawing a single correlation line and then drawing a fault line through that line to split it Draw fault stick followed by two correlation lines 49 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 52 52 330 330 Alternatively draw correlation line then draw fault stick through the line to split it Carefully dragging the end node of the fault stick will actually push back the correlation line Alternatively just drag the ends of the correlation lines away to create the gap Snap the two correlation lines to the fault stick to represent the displacement on the fault plane Faults can be drawn normal or reverse Once snapped together the snapped node can be dragged to update both lines simultaneously 4 13 1 Referencing Mapped Faults Any faults drawn in the map window fault traces which intersect the line of the cross section will be displayed as a vertical dashed marker line If the faults are named they
41. Where the base of the parent horizon is attributed with a single rock code 4 12 1 Parent Horizon Is Sub Divided In this case the base line is already comprised of more than one line joined together Simply draw in the sub division base and then drag each end of it across the join position in the parent base horizon to snap to the appropriate location 4 12 2 Parent Horizon Has A Single Code In this case simply draw the sub division base within the parent horizon s polygon then make the line active and use Right click gt Mark As Sub Division Mask As Sub Division Mark the line as a sub division of the surrounding stratum The parent line below is actually split into separate lines using a JOIN type snap object The sub division line has sub division marker snaps nodes attached at both ends You can now draw additional child layers either above or below the existing one To conect them to the same sub division level drag their end vertices towards the end of the existing sub divions from left to right When they get close they will snap to the correct position 48 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 52 i eee ce Moving either a join position in the parent base or a sub division marker at the end of a child horizon will cause the other to follow To dis connect hold down CTRL key and drag one of the snapped nodes away Drag any of these nodes the rest will follow 4 13
42. ain at least an identifier for the borehole i e ones that will match with the identifiers from the index file a marker depth base of layer as a drilled depth 1 e relative to the collar height and some form of geological coding value 95 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 lithology and or lithostrat The file should contain one row per marker horizon Here is an example file with a header line which specifies two markers associated with borhole 1 ID D_DEPTH LITH 1 2 4 SAND 1 dz CLAY If all of your data is in a single file simply pick the same file twice A combined data file must contain one row per marker horizon meaning the index data will be duplicated if the log has multiple markers e g ID START_H EAST NORTH D_DEPTH LITH 1 10 2 206783 345165 2 4 SAND 1 10 2 206783 345165 3 2 CLAY On supplying a file name for either file the following dialog box with the first line of data from the file 1s shown umn headers 102000 001 084557 269199 27 93 In this case the answer would be No the first line 1s clearly data but a file can be loaded which does have column headings Once the information has been supplied the dialog box looks something like this Import Borehole Data Borehole Index Collar Borehole Log Data E GSI3D Ingham Ingham_BH_sobi bid E GSI3D Ingham InghamBH_boge blg Borehole ID COLUMN 1 Borehole ID Holeld Name NOT SPECIFIED Marker Depth Depth Co
43. ap window it is possible to see the spatial distribution of the correlation of a particular rock unit This is achieved simply by setting the active rock code when this happens its map distribution in cross section will appear as thick coloured lines along the lines of section The active rock code can be set from the Codes tab from the Recent Codes panel of the DRAW ribbon or by picking up a code from a piece of linework by holding CTRL and hovering the mouse over the line mi x E 55 4 pr ea E E 40 ane Last modified 2015 09 03 09 12 Map showing distribution of an orange coloured rock unit alne in cross sections towards the north of the project A nice feature of this function is that you can quickly see the relative distribution of layers across a project by displaying a representative cross section in a cross section window holding CTRL and dragging the mouse across the section vertically to pick up each code in the geological sequence one after the other The map will respond by displaying the distribution of each code as you scroll across the section with the mouse 34 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 3 8 SHOWING HIDING MAP WINDOW OBJECTS On the right hand side of each map window is the map contents panel Cross Sections Y Croplines Boreholes Y Faults Other Objects When a new object is added to the map window it will also be inserted under the relevant obje
44. as lines with only two vertices are difficult to snap correctly If you find that your section is not colouring up in full this option will resolve the issue in cases of node duplication 4 14 6 2 TRIM Trims lines back to section extent Useful for cleaning up imported cross sections where the correlation lines extend beyond the line of section 4 14 6 3 UPDATE PROFILES This button reloads the DTM profile in the section by re querying the grid layer that is current set as the Model Cap The layer can be changed by selecting it from the pull down options in the main toolbar or by right clicking on a grid layer in the reference objects tree and selecting Set as model cap 54 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 Choose a different DTM from the LHS object reference menu under the Workspace tab under which appears the expandable node Reference Objects Expanding this shows another expandable node Grid Coverages Under this node is a list of DTMs which you can use as a section cap IMPORTANT You should only use this option if you need to switch to a different terrain model for the cross section profile Once you have done this you will need to re snap any linework that is drawn up to the old profile 4 14 6 4 CROPLINE MARKERS Markers are placed along the profile where a cropline on the map crosses the section line in plan This allows for section linework e g correlation line to be kept spat
45. be filtered interactively within Porcupine The filters are under a right click on the data set entry gt Filter dataset 5 3 1 Remove Boreholes Without With Logs These two options allow you to remove logs without logs interpretations or remove those with existing logs The first is useful to filter out borehole records with no downhole data the second is useful to see which borehole have yet to be interpreted 76 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 5 3 2 Cascading Interpreter Filter If the name of the intepreter is available within the borehole dataset this presents a list of interpreter id s 1 e geologist names or drillers names on the left Click on an entry to highlight it and use the Copy to selection gt gt gt button to copy it to the selection list on the right Build the selection list up in order of preference with the preferred interpreter at the top of the list To re order the list highlight an entry and use the Move up and Move down buttons When you are happy with the selection click Apply Filter by interpreter name The filter will use the list to filter the data set in Porcupine For each borehole it will look for your preferred interpreters in list order if the first one is available it will be used otherwise the second otherwise the third etc If a borehole has no matching interpreter it will be deleted from the data set completely 5 3 3 Cascading Project Code Filter I
46. before clicking this will display an edit dialog eH Add Coordinate y 90 722 368 274 011 394 OK Cancel 4 To finish drawing the cross section once the final desired point of the line of section has been placed fi Finish Cross Section select the Finish Cross Section button from the map window toolbar 3 4 CROPLINES Croplines are effectively the geological map Lines should always represent the BASE contact of the geological layer Croplines can be at surface outcrop and or sub surface subcrop therefore the complete set of croplines for a given geological area will be a full sub surface map of the BASE contacts of all of the geological horizons Croplines only represent true contacts they should not be used to draw project boundaries to constrain horizon coverages Croplines are by default the representation of the BASE contact of the unit against the ground surface in the case of outcrop linework or against the base of an overlying horizon in the case of subcrop However in faulted geology a cropline may represent a contact of the BASE of the horizon with the fault plane For further detail refer to the Workflows gt Fault Construction section of the manual 3 4 1 Drawing A New Cropline To draw a new cropline 1 First select the desired rock layer code from the Rock Code Library This will set the code as the currently active drawing code in the session To do this select the Codes tab from
47. butes tab changes can be made to the intervals attributes top and base base bed code lithology lithostratigraphy and descriptive field and applied by clicking the Apply button Clicking apply at this stage applies the changes within the Porcupine session and does not save the change to the XML data files NOTE Edits can only be made in the interval properties dialog 1f the interpretation is in edit mode If the interpretation is not in edit mode the various fields will be greyed out and non editable 69 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 Under the Symbology tab of the Interval Properties dialog changes can be made to the colour ornament and stepping used to display the interval in the document See above for more detail on the options under this tab Interval Properties EDIT MODE Top base depths 5 2m thick Base Surface Name Top m 4 000 Base m 9 200 ftn Base of bed code GR Interval geology Lithology CSVL Lithostratigraphy TILL Descriptive field Apply Delete interval OK Any values entered for base bed code lithology and lithostratigraphy are dictionary linked i e they must correspond with an entry in the appropriate Dictionary for lithology or lithostrat refer to the Dictionaries section of this manual for further details The fields expect the dictionary CODES rather than the full descriptions because the full descriptions are often too long to fit usefu
48. code that should be used to colour the area at the base of the Y can be selected from a list The inner gt TT circle now changes to show the colour for the chosen rock code Fault to Profile snaps cannot be moved If the snap is invalid the snap can be unsnapped using the CTRL key then re snapped in the correct position or the node can be deleted The inner W 55 74 Z 26 49 X 584501 35 Y 269270 57 sam _27032015 gop loaded Load complete 100 circle is coloured green for this type of snap Correlation line to Intersecting Section snaps cannot be moved in the W direction i e from Profile source Bald Earth side to side However they can be moved in the vertical direction up or down This is provided that the corresponding section is also loaded into the workspace If it is not loaded the node cannot be moved only unsnapped or deleted An edit in one W 61 61 Z 25 39 X 584497 76 Y 269265 93 l section will be automatically mirrored in am _27032015 gop loaded ss the crossing section 42 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 Outcrop Subcrop Faultcrop snaps are special snaps that are snapped to croplines in the map window A cropline marker shows the position on the profile where corresponding to the position in the map window To display the cropline markers click on Show Hide Cropline Markers in the section window settings panel on the right Profile source Bac
49. ct type listed on the Objects tab Expanding out each object type heading by clicking on the arrow located on the left hand side of the object label allows you to see what is currently loaded into the map window From here it is also possible to turn the visibility of objects within the map window on off To show or hide all objects of a particular type check or uncheck the Show hide all checkbox Map1 Objects Map1 Settings db Cross Sections Show hide all Y Cross Section Visible a cS1 a l y CS2 MU CSS E CS4 v ds db Croplines Show hide all Y Cropline group Visible E Hek cHik a _ NPCH CHLK X 548935 18 Y 107254 25 Z av y Project A little test project loaded 3 9 MAP WINDOW SETTINGS The settings for the map window can be viewed and changed by clicking on the Settings tab of the map contents panel located on the right hand side of the map window 35 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 Mapi Objects Mapi Settings J 7 F Show Elevations E Show Simplified Croplines Set Background Colour 3 9 1 Elevations Ticking the checkbox labelled Show Elevations will display the elevation from the loaded DTM s in the lower left corner status bar of the map window for the mouse cursor location as it passes over the map window X 545638 17 Y 106650 51 Z NEXTMap 2 54 68 Bald Earth 58
50. cts croplines It can also present cross section plan lines fault trace linework geo registered map images and borehole positions To open a blank map window use Session gt Windows gt New Map Window then click on the zoom to full extent button 1 2 1 3 CROSS SECTION CAPABILITIES Groundhog can load and display interpreted correlated cross section linework horizon bases and fault sticks and also display raster image backdrops which can be scaled interactively for digitizing Basic borehole logs can also be displayed for correlation Groundhog displays lines in cross section by default However if correlation lines are correctly constructed by using line to line snapping refer to cross section reference later in this manual then a coloured up section can be constructed 53 819 Section with lines OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 53 ee 819 Section with lines snapped together forming coloured up polygons 1 2 2 System Requirements e PCor laptop running Microsoft Windows OS e 2 button mouse with scrolling wheel 1 2 3 Download and Installation Groundhog can be downloaded from http www bgs ac uk research environmentalModelling To install double click the setup exe and follow the instructions in the installation wizard NOTE you may need administrator privileges to install the software in which case please consult your system administrator or helpdesk 1 2 4 Support an
51. d 7 Select Type of GSIPR Export Required O Export Type 9 Export Current Groundhog Desktop Workspace As Is To New GSIPR File Choose An Existing GSIPR File With Which To Merge The Groundhog Desktop Workspace And Export Result To New GSIPR File Choose A Loaded Project From Groundhog Desktop Workspace Merging With Any Available S Drive Data For The Project And Export Result To New GSIPR File The first option creates a gsipr file containing only the information held within the loaded data in Groundhog Desktop This will mean that some project information for example project file names such as the gvs file will be missing from the gsipr file and will need to be supplied when the project is loaded into GSI3D Option 2 requests an existing gsipr file to be specified using the Open Existing GSI3D Project File dialog box This will then merge some project information e g the gvs file name and location with the Groundhog Desktop data to create a new file containing all this information Option 3 this option should be ignored for now as it will only become relevant once the Geological Object Store GOS is available Once the file has been created the following message is displayed File Created E Eclipse Workspace ModRocks sample data ab3d_project gsipr successfully created 7 3 2 Export Project To GOCAD Format This option provides the Select A Folder To Export To dialog box which enables a file
52. d Warranty Groundhog Desktop is free software and comes with no support or warranty Please refer to the licensing information within the installation folder for further details We are happy to receive general enquiries regarding the software but this does not constitute the offer of a helpdesk service eroundhog bgs ac uk OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 2 The User Interface The user interface is divided into a series of panels These panels can be undocked split if desired via Session gt Windows gt Dock Undock All Windows A Groundhog Desktop GSIS a og Ex Session Interoperability Tools Geology Help DATA DRAW CALCULATE CHECK gt OS Open Data DTM 50m y TOOLBAR Workspace 6 Codes E Log view Ei Grids va _ Workspace fA Geological Objects E Cross Sections Ay Croplines lt gt Boreholes 7 Faits MAP PANEL 7A Fold Axes K Dip and Strike Measurements Structure Contours BY Modeled Objects H Stratigraphy E Reference Objects av A Physical Properties 1 HEH Grid Coverages 1 q Web Map Services Dictionaries A Meshes ay Shapes Points CROSS SECTION E Images WORKSPACE PANEL PANEL 0 View Error Messages 2 1 TOOLBAR The toolbar includes a conventional menu bar and a tabbed panel of buttons for loading saving and manipulating data 2 2 MENUS Session various load save options for assembling a
53. d will be released in the non BETA version 5 1 DISPLAYING BOREHOLE INTERPRETATIONS 5 1 1 Viewing Logs Create a new blank document using the Create new document button on the Porcupine toolbar and give the document a name The document will appear as a blank canvas in the Porcupine desktop Document name Please enter a name for the new document doc Cancel To add an interpretation to a document right click on the interpretation in the dataset tree and select View log in document gt DOCUMENT NAME 63 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 e Be Geological Cross Sections a y Croplines lt gt Boreholes E 21 O File Load 162 boreholes E Gel 1 ALT_1D 5E655 g a LOG CES Eb a H es x1 1 4 View ln Porcupine Document j New Porcupine Document E G 1 1 Fa Switch on edit H Gl 1 4 O xt 1 A H gt 0 1 ALT_ID SE655E22 S Ge x1 1 ALT_ID SE65S H gt 60 1 ALT_ID SE655W129 SE65SW129 i gt 1 1 ALT_ID SE655W130 SE65SW130 Clone i EN The interpretation will then be added to the document as a graphical log F A o di sae jo vE Borehole ID 1 BGS Ref ALT_ID SE655E14 Start height 17 0m Drilled depth UNKNOWN Borehole name SE655E14 Easting Northing 465355 0 451838 0 Mm Elevation Drilled depth 17 0rmn o Cm SAND UNLITHIFIED DEPOSITS CODING 13 34m 3 66m C
54. dhog supports JPEG and PNG format image files which can be loaded via Session gt Load Reference Objects gt Image If the image has a world file it will be automatically detected and the image can then be displayed in a map window in the correct geographic location geo registered Note that Groundhog does not support rotated images Loaded images can also be registered into a cross section window interactively This is particularly useful when digitizing Refer to the Cross Section Window section of this manual for further details 2 7 2 6 WEB MAP SERVICES Groundhog is a rudimentary WMS client allowing certain BGS published WMS services to be displayed in the map window s The URL to the WMS should be included in the workspace RESOURCES txt file e g WMS BGS_Detailed_Geology https map bgs ac uk arcgis services BGS_Detailed_Geology MapServer WMSServer Loaded WMS services will be added to the Reference Objects gt Web Map Services folder in the workspace object tree The default workspace of Groundhog comes with a link to the BGS digital geological map as a WMS so this should automatically appear in the tree To display the WMS in the map window right click on the WMS layer of interest gt View WMS Layer In Map 15 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 E Stratigraphy a E Reference Objects EA Physical Properties H Grid Coverages oe Web Map Services i E BGS detailed geology BGS detailed geolog
55. ehole log information using interval based and pick based markers Interval based markers have a top and base range from and to depth values Pick based markers have a single depth value and a measurement value e g Gamma Resistivity Each marker can then have a set of additional values or categorized attributes attached such as lithology lithostratigraphy description etc In the case of pick based markers attributes for typical codes such as lithology can be applied as ABOVE and or BELOW the marker Groundhog can load boreholes from a spreadsheet type DAT file and also has basic support for LAS files For further details refer to the Log View section of this manual Depths are always drilled depth from the borehole collar height OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 A Workspace f Codes H Log view E Grids Doc 1 Doc 1 Scale 1 1000 E Scale 1 10000 1558 48m 1585 0m Elevation Drilled depth 1563 48m 1590 0m 68 6m 1568 48m 1595 0m 1573 48m 1600 0m 41 109 73m 1578 48m 1605 0m 02 133 33m tm SILTSTONE SLST null 1583 48m 1610 0m E 5 1588 48m 1615 0m y gt CLAY CLAY null 1593 48m 1620 0m iS wE 1598 48m 1625 0m SANDSTONE SDST null 1603 48m 1630 0m 324 393 19m 1608 48m 1635 0m CLAY SILTY SICL null 1613 48m 1640 0m 1618 48m 1645 0m 7482 4 229 gam SILTSTONE SLST null 1623 48m 1650 0m 1628 48m 1655 0m 1633 48m 1660 0m 1638 48m 1665 0m
56. f the mouse click Edit the coordinates as desired and click OK LA Borehole Coordinate X 441 698 197 335 723 637 OK Cancel A borehole data entry dialog will appear Here you can type a name for the borehole and set an identifier if you have one You can also enter a collar height or click on Set from Model Cap to extract a value from the current terrain elevation grid Click OK H Borehole Collar Name Home Farm Well 63 96 The borehole will be added to the map window and will also be added to the default borehole dataset folder in the object tree If the borehole is the only object in the map window you may need to zoom to full extent to see it To edit the above collar information at any time or to edit the collar information for an existing loaded borehole simply right click on it either in the map or in the entry in the object tree and select Edit Borehole 29 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 Workspace ofa Geological Objects Cross Sections Ap Croplines a Boreholes E Default Borehole Set 1 boreholes gt 1 1D 123 A Home Farm Well A Faults View scan od Fold Axes Create New Log lt A Dip and Strike Measurem 2o Structure Contours AF Modelled Objects gt Te P A Geological Sequence F l a View borehole in map window H H Reference Objects Ms setations Edit Borehole sine Document Next you can attach a log to the borehole position
57. f the name of the project is available within the borehole data this operates in the same way as the cascading interpreter filter but uses the CONTENT_CODE field a k a project name field of the interpretation for the filtering 5 3 4 Cascading Interpreter Project Code Filter This operates in the same way as the cascading interpreter filter but filters by unique combination of INTERPRETER and CONTENT_CODE 5 3 5 Drilled Depth Filter This allows you to filter by drilled depth and can be applied either as a more than or less than filter depending whether you are interested in only deeper or shallower boreholes The settings below would retain only those interpretations that have a drilled depth of 25m or more Drilled depth filter T1 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 5 3 6 Lithostratigraphy Filter This allows you to filter based on lithostrat codes The unique list of lithostratigraphic coding is presented on the left and can be copied to the select on the right by selecting the entry and using the Copy to selection gt gt gt button The order of the list on the right is not important so there are no sorting options The list is not cascading Porcupine will use an OR test on this list when deciding whether to retain an interpretation in the example below the filter would retain all interpretations that have CHALK GROUP or CRAG GROUP or LOWESTOFT FORMATION coded anywhere in them WICRAG GROUP
58. full details of the licensing and terms and conditions please refer to the license files in the installation directory For any enquiries regarding Groundhog Desktop GSIS please contact eroundhog bgs ac uk For further information on the work of the BGS Environmental Modelling Directorate please refer to http www bgs ac uk research environmentalModelling 1 2 1 Capabilities Groundhog Desktop is intended as a basic GeoScientific Information System GSIS a software tool which facilitates the collation display filtering and editing of a range of data relevant to subsurface interpretation and modelling You can use Groundhog to load and display certain types of borehole data geological map linework interpreted correlated cross section and faults It also supports reference data such as elevation models and images and has basic editing capabilities as ep a Lee F a Jai cai q oe imm O AN hiia ma ha F His m T I AAA ara ela e on fr A th a zn i Ae a ae Fee E J a el ae Y ha oe a T ne iia DES 4 pr i pi Co simae m E b E Fa L as I E T E a _ Typical view of Groundhog Desktop in use with map linework cross sections and boreholes loaded l Turner A K 1992 Three dimensional modelling with geoscientific information systems Kluwer Academic Press Dordrecht 443 pp ISBN 0 7923 1550 2 1 2 1 1 BOREHOLE LOG CAPABILITIES Groundhog can load and display basic bor
59. g down the SHIFT key and hovering over the borehole When you save the session to a project file the borehole data will be included 3 6 FAULTS To draw a new fault line 31 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 1 First select the Codes tab from the left hand object reference window taskbar and select Fault from the Lines area at the bottom of the window 10FT COAL TEN FEET COAL INGLETON COs 15JC COAL FIRST ST JOHN S COAL SOUTH Yt T 20CO COAL TWENTY INCH COAL FOREST OF 27YD COAL 27 YARD COAL WEST YORK 2ES DOLR SECOND ELL SILL DOLERITE SYNC 2F946 COAL TWO FEET NINE COAL FOUR FE 2F94F COAL TWO FEET NINE COAL AND FOUE 2F9C COAL TWO FEET MINE COAL SOUTH W 2FCC COAL TWO FOOT COAL COALBROOKD 2FCO COAL TWO FEET COAL SOUTH WALES 2FSL COAL TWO FOOT COAL SOUTH LANCAS 2FT COAL TWO FOOT COAL SOUTH STAFFOF 2FTC COAL TWO FOOT COAL CHEADLE CC r 281 AOA RCON ET IMANES CAAM Pec TH j a L E L L L L L L L E L L L Profile Shape This will then be displayed in the map window toolbar 4 Mapi p p HOOK ELA T 2 To start drawing a new fault line select one of the two pen tools in the map window toolbar Mapi x _ H 40 rat hy a Drawing and editing is then the same as for Croplines please refer to the earlier section on Croplines for further detail on basic linework editing techniques 32 OR 15 046
60. ially coincident with map linework of the same unit The linework in the two 2D planes are then tied together This is achieved by snapping the line in the section to the cropline marker see section on snapping Such croplines can be both surface crops and sub surface the latter being where a unit sub crops against another unit Switch cropline markers on and off using the button Show Hide Cropline Markers 4 14 6 5 EXPORT TO SVG This button allows you to export the section to XML based Scalable Vector Graphics format This vector format is supported by many graphics packages and can be useful for producing high quality report graphics 4 14 6 6 FIXED DISPLAYED ELEMENTS Other elements displayed on the section are fixed These include 1 Crossing sections Modelling involves the building up of fence diagrams which consist of individual sections in a mesh Each section in the meshwork that crosses the active one will be displayed as a black vertical line with a label section name at the base 2 Fault positioning lines These appear as vertical dashed lines in red They are used as an aid in attaching a fault stick in the section to a fault drawn in the map window see section on Faults This then ties together this fault stick with the larger parent fault drawn on the map a fault is made up of several such sticks drawn in different sections in the fence meshwork 4 15 ATTACHING AN IMAGE When creating a
61. ick on the interval to be removed and select Delete interval 74 OR 15 046 Final 1 0 Elevation 45 72m 45 22m 44 22m 41 02m 36 72M Drilled depth 0 0m 0 5m 1 5m 4 7m 9 0m Last modified 2015 09 03 09 12 EDIT MODE Interval CV Insert interval Autofill gaps Remove log from document View log in list mode iF Switch off edit Log properties This will create a gap in the interval which will need to be filled by either inserting additional intervals or by editing the top or base values of the adjacent intervals Elevation 45 2m 45 22m 44 22m 41 02m 36 72m ee depth E DIT M O D E 4 7m 9 0m Gaps can also be auto filled by right clicking on the interval above the gap and selecting Autofill gaps If above rockhead the autofill will apply a generic DRFTU code generic superficial drift code from the Oracle dictionaries and if below the rockhead a generic ROCK code will be applied 75 OR 15 046 Final 1 0 Elevation 45 72 45 22m 44 22m 41 02m 36 72m 5 3 FILTERING Drilled depth 0 0m 0 5m 1 5m 4 7m 9 0m Elevation 45 7 2m 45 22m 44 22m 41 02m 36 72m Last modified 2015 09 03 09 12 EDIT MODE Interval P Insert interval Delete interval Autofill gaps Remove log from document View log in list mode Switch off edit Log properties Drilled depth E DIT M O D E O Om 0 5m 1 5m 4 7m 5 0m Data sets can
62. ight 163 01m Drilled depth 246 2784m Borehole name null Easting Northing 307214 0 505015 0 Curve Name Gamma Ray CGR GAPI Value Range th Min Elevation Drilled dep 163 01m 0 0m mM 158 01m 5 0m 153 01m 10 0m 148 01m 15 0m 143 01m 20 0m 138 01m 25 0m 133 01m 30 0m 128 01m 35 0m 123 01m 40 0m 118 01m 45 0m 113 01m 50 0m 108 01m 55 0m 103 01m 60 0m 98 01m 65 0m 93 01m 70 0m 88 01m 75 0m 83 01m 80 0m 78 01m 85 0m 73 01m 90 0m a T r V Show headers Y Show unit ornaments Y Show description column _ Show interval stepping V File E las files Recall logs NYOONE_30 las loaded A scroll bar allows the full log to be viewed 81 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 At the top of the document the heading details can be seen These vary depending on the source of the Well Log but will normally include location and depth details Double clicking in the heading area enables curve log settings to be changed via a dialog box A Workspace E Codes H Log View Hit Grids N M las log Scale 1 MT HN Borehole 1D 1 BGS Ref Las Filo as files Recall logs WYOONME 90 las R 163 01m Drilled depth 784m Borehole na 4 0 05015 0 f h ame m he May 47 4461173 96 1 31 31 n 31 31 133 01m 31 31 31 11 11 31 lr lr BA OLM lr lr 1 Y Show headers Y Sh
63. iles manually because Groundhog relies on this naming convention to find all linked data files To load a project simply pick the gop file via Session gt Load Project or click on the load button in the toolbar data tab 16 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 session Interoperability All GOML files associated with the project will be automatically loaded To load GOML data files individually use Session gt Load Geological Objects gt From GO File menu Data in other formats can often be imported and exported via the Interoperability menu see the Interoperability section of this manual for further detail Certain reference data can be loaded via Session gt Load Reference Objects To save a project use Session gt Save Project or click on the save button in the toolbar data tab session Interoperability DATA praw caL amp a When saving a project if you retain the existing project file name when you press save the previous versions of the data files will be over written You are strongly advised to save your work regularly Do not wait until the end of the day to save all of your work You are also strongly advised to increment the project name from time to time to ensure you have a series of project backups should the saved out data become corrupted e g e Projecti_vi1 gop e Projecti_v2 gop O e Projecti_vn gop Project data files are generally quite small so keeping a series of
64. ine you must first make the line active by clicking on it with the left mouse button The nodes are then displayed as shown below cyan colour Nodes can then be moved individual as appropriate or with the option to smooth the line to different levels using the slider Vertex Edit Smoothing in the DRAW ribbon The smoothing has the effect of causing nodes adjacent to the one being dragged to also follow the direction of the mouse cursor 22 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 EA Grouncros Desktop GSS o O OOOO O Session Interoperability Tools Geology Help DATA DRAW CALCULATE CHECK Pen Tool Node Density Vertex Edit Smoothing Recent Codes g e COLO O AE Ka nl ol A RA ee 0 2 4 6 8 10 12 14 16 18 20 a Va Mapi X 53 O O dep xa DO SMA y New nodes can be added by double clicking at the appropriate position along the active line Double clicking on an individual node in an active line will remove the node from the line To delete a whole line right mouse click on the line and select Delete Line A dialogue will appear asking for confirmation Select yes to delete the line 3 4 2 1 SPLITTING A CROPLINE To split a cropline at a particular position right mouse click on the line at the appropriate point where you wish to split the line and select Split Line This will break the original cropline at the point of the right mouse click creating two separate lines
65. ing the desired files in a folder of your choice and selecting this folder when Groundhog starts up by using the button in the workspace selection dialog The pull down list contains a list of all previously loaded workspaces to choose from Select a project workspace Workspace Typical data resources include e Dictionaries usually at least a rock coding scheme 12 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 e Acolour legend file e Grids e g a digital terrain model Workspace data resources can be included in two ways 1 By physically placing the data file within the workspace folder 2 By adding a file path to the data file into the RESOURCES txt file The RESOURCES txt file is a tab separated file held within the workspace folder and comprising one data resource linkage per line DATA TYPE NAME PATH URL EXTRA INFO GRID Terrain Model C Data terrain asc MODEL_CAP DICTIONARY London Formation C Data LondonCodes godic aa WMS UK Geology Web http etc Map Service Note RESOURCES txt contains no headers They are included above for clarity For GRID type objects the extra info of MODEL CAP sets that grid as the reference terrain model for the workspace This can be changed interactively within the user interface if necessary 2 7 2 1 DICTIONARIES A dictionary is simply a list of names with corresponding definitions values They are commonly used by Groundhog to look
66. is manual for further details 10 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 Scale 1 50 T Elevation Drilled depth 0 0m 0 Om SUPERFICIAL DEPOSITS NATURAL AND OR ARTIFICIAL DRFTU null 4 9m 4 9m RH ROCK ROCK null ROCK 2 1m thick top at 4 9m base at 7m 7 0m 7 0m TD 2 4 4 Grids This tab is currently not used 2 5 MAP PANEL The map panel is a container for any map windows you create The map windows behave a little like tabbed windows in a web browser You can create as many map windows as you wish For further details on map windows refer to the Map Window section of the manual To open a blank map window use Session gt Windows gt New Map Window then click on the zoom to full extent button 2 6 CROSS SECTION PANEL The cross section panel is a container for any cross section windows you create The cross section windows behave a little like tabbed windows in a web browser You can create as many cross section windows as you wish For further details on cross section windows refer to the Cross Section Window section of this manual 11 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 2 7 WORKSPACES AND PROJECTS All data in Groundhog Desktop are held either in a Workspace or a Project A Workspace is a high level set of static reference data that may be common to many projects e g DEM national rock coding scheme A Project is a set of individual data files that are actively
67. k Density RHOB G CC H Sidewall Neutron Porosity SNP f Spontaneous Potential SP mv f Faults AC Fold Axes i A Dip and Strike Measurements i E Structure Contours Modelled Objects E Geological Sequence H H Reference Objects V File E las files 36_23_1 LAS loaded 0 View Error Messages Individual measurements can be seen by expanding the items using the signs They can also be seen as curve diagrams by right clicking against an entry and selecting View In Porcupine Document This is described in more detail in the Log View section of this manual 7 2 5 Borehole Data dat This option enables borehole files to be loaded using any text based tab separated format The files may or may not contain column headings On selecting this menu option a dialog box requests information about the files to be loaded H Import Borehole Data i Borehole Index Collar Borehole Log Data Borehole ID Borehole ID Name Marker Depth Collar Height or Lithology X Lithostratigraphy Chronostratigraphy Description Description IF Logs are interval based a The Borehole Index Collar file should contain at least an identifier for the borehole a collar height start height in metres relative to O D sea level or site datum an easting X and a northing Y Here is an example file with a header line ID START_H EAST NORTH 1 10 2 206783 345165 The Borehole Log Data file should cont
68. line active mi x BOOd gt arwr M ANA y 3 4 4 2 ATTACHING A SIDE ATTRIBUTE AUTOMATICALLY If you have correlated cross sections in the workspace you can automate the side seeding process Groundhog will attempt to use the correlation lines from the cross sections to detect which side of the croplines are the presence of each layer If the correlation linework agrees with the croplines i e is snapped to or very close to the cropline positions then the side attribute will be attached to the linework Either choose Geology gt Predict Cropline Presence Side from the main menu or click on the Predict Sides button in the calculate tab in the main toolbar ribbon 27 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 CALCULATE Predict cropline presence side gt Deduce fau aranertier i Use information from cross sections to automatically infer presence side on croplines Propose stratiqraprry Build polygons A Workspace 24 Rock Codes E O 40 ses mosT E ASN 4 Rock Code Library BRS CONG BROWNSTONES FORMATION CONGLOMEF BRS LMST BROWNSTONES FORMATION LIMESTONE BRS MCASST BROWNSTONES FORMATION MICACEO BRS MDSA BROWNSTONES FORMATION MUDSTONE A dialog appears If you choose Overwrite all information the automated process will overwrite any pre existing SIDE attribution on the croplines if you choose Retain any existing info
69. line to correlation line correlation line to fault correlation line to profile fault to fault fault to profile A Sa a E correlation line to intersecting section 40 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 7 correlation line to outcrop subcrop faultcrop correlation line to end of section 9 fault to mapped fault 10 subdivision marker at the end of a line To snap two lines together is normally a case of dragging the end node of one line towards the other object When they reach a certain proximity the two objects will be snapped together Once snapped together the two lines can be edited together using a single operation In order to unsnap a node the CTRL key is held down simultaneously with the node being dragged away from the snapped node This option is available to all types of snaps Different types of snaps behave differently when trying to drag without the CTRL key being used These differences are explained below In all cases one of the lines must be made active before attempting to edit Correlation to correlation line snaps can be moved by holding the left mouse button down over the node and dragging the node This causes the matching W 3032 Z 25 X SOGSILAS Y 2692042 snapped line node to also move The inner ono SS circle is coloured to show the colour of the rock code to which the line is snapped Correlation line to fault snaps can be moved by holding the left mouse button dow
70. llar Height COLUMN 4 Lithology Lithology X COLUMN 2 Lithostratigraphy Lithostrat 7 COLUMN3 v Chronostratigraphy NOT SPECIFIED y Description NOT SPECIFIED Description NOT SPECIFIED Cone The Index data file used here has no header so the columns are selected by their number The Borehole Log Data file used here did contain headers so these header names were used to specify which column holds which data Any columns not present in the data file or not desired for the import should be left as NOT SPECIFIED 96 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 Note the tick in the box Logs are interval based It is important to tick this where appropriate if the log data is really a range from the previous depth to the current depth denoting one horizon Once the borehole data has been loaded it can be found under Geological Objects gt Boreholes A Groundhog Desktop GSIS J ee i b c mee Session Interoperability Tools Geology Help DATA DRAW CALCULATE CHECK 05 Open Data DTM som X Workspace RE Codes E Log View M Workspace i Geological Objects EE Cross Sections IN Croplines gt Boreholes H J Wensum_v5 bid 173 boreholes 7 Faults Fold Axes A Dip and Strike Measurements E Structure Contours Y Modelled Objects E Geological Sequence H H Reference Objects 0 View Error Me
71. lly in a small text field To see the full description for the code in each text field simply hover the mouse cursor over the field the full description will appear as a popup tooltip Hover over the base bed lithology and lithostratigraphy fields in the image above to see an example of the tooltips works in most browsers If you do not know the exact dictionary code required for your coding you can use the Dictionary button to see a list of matching entries in the dictionary Check the desired entry and click OK to populate to open the Dictionary lookup dialog for the field Begin typing into the Search field the code into the field If you want to search by full description rather than just by the code un check the Search by codes option at the top of the dictionary dialog 70 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 Dictionary lookup Lithology Search Search by codes Match start of word 5 SAND UNLITHIFIED DEPOSITS CODING SCHEME _ SACHLK CHALK SANDY SACL CLAY SANDY SACLLM LIMESTONE CLAYEY SANDY _ SADOLO DOLOSTONE SANDY SAGR SAND AND GRAVEL SAGR SAND AND GRAVEL _ SALMST LIMESTONE SANDY _ SAMDST MUDSTONE SANDY 4 T m NOTE The dictionary dialogs remember recently used codes and display these automatically when re opened to save time when applying the same sub set of codes repetitively across
72. n over the node and dragging the node This causes the matching snapped line node to also move The inner circle is coloured a eee red to show this type of snap is FAULT 41 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 Correlation line to profile snaps cannot be moved If the snap is invalid and needs to be changed the snap must be removed by dragging away using the CTRL key then re snapped in the correct position or the node can be deleted The inner circle is coloured green to indicate PROFILE SNAP IMPORTANT when snapping a correlation line to the profile if a GRID object is set as the model cap Groundhog will query the grid layer to obtain an exact profile elevation at that position and will insert it into the profile automatically In some cases this is not desirable 1f you wish to prevent this from happening then check Freeze Profile in the section window settings panel on the right 1am_27032015 gop loaded Load complete 100 Fault to Fault snaps can be moved by holding the left mouse button down over the node and dragging the node This causes the matching snapped line node to also move The inner circle is coloured blue when this type of snap is first created to indicate Y FAULT SNAP W 54 54 Z 25 58 X 584502 08 Y 269271 52 im_27032015 gop loaded Load complete 100 However by making either line active and right clicking on the snap node at the Y intersect the rock
73. nderstood in order to make the colouring work correctly Coloured polygons will only exist where snapping has taken place so there is a proper link between lines Snap nodes must exist on both lines that are snapped together Occasionally one of the snap nodes may be lost so it is important to check that this has not happened It is easy to tell because each correct snap will have two circles an outer black circle and a smaller inner filled in circle of various colour It is also important that correlation lines that go to and beyond the end of the section are snapped to the end of section If your section has many lines running beyond the section extent use the Trim button in the settings panel When troubleshooting colouring up of a section always try the Clean Section button in the section window setting panel This looks for common problems and addresses them automatically There are a number of reasons why coloured polygons are not always created These include e Duplicate nodes in order to check this moving each node in the polygon should reveal whether or not there is another node underneath it However to simply remove all duplicate nodes click on the Clean section button on the Settings tab see example below e Disordered nodes sometimes there are two nodes at the end of the section with different Z values One of these needs to be removed e Crossing lines if lines cross polygons cannot be formed All polygons mu
74. nt in space OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 To alter the display characteristics of the borehole choose lt section name gt settings from the RHS menu Click on Borehole Options and you will get the dialogue box Borehole Options Borehole Width Textures required Borehole labels required Show strat instead of lith Collar height Use collar heights from log data Transparency o Y o 10 20 30 40 50 60 70 80 90 100 Apply Cancel Borehole Width sets the graphical width in the section display Textures not yet implemented Labels shows hides labels Show strat instead of lith toggles between lithology codes and lithostrat codes 1f available for borehole rendering and labelling Collar height set the collar height mode 1 use heights from data only 2 hang boreholes with missing collar heights off the terrain profile 3 hang ALL boreholes off the terrain profile Note that logs hung off the terrain display with red borders and labels in the section window for clarity 4 14 6 1 CLEAN SECTION This button cleans up the Section linework by 1 removing invisible duplicate vertices including vertices closer together than the tolerance set by the software the presence of which can prevent the colouring up of the section polygons 2 removing zero length lines lines with only a single vertex and 3 adding a 3 vertex to the mid point of lines with only two vertices
75. o following selection of the file full functionality of Groundhog Desktop is restored but the LAS file may be still be loading for a time A message is displayed in the bottom left corner of the window whilst the load is taking place Session Interoperability Tools Geology Help DATA DRAW CALCULATE CHECK 05 Open Data DTM 50m v 4 Workspace R Codes B Log View fl Geological Objects H Reference Objects lo Y Loading File E las files 36_23_1 LAS 0 View Error Messages On completion of the load the following box is shown Las File Loaded a GO Las file Load Complete Las data 1s stored as a series of pick based boreholes within Groundhog Desktop Once loaded it can be viewed in the tree structure under Geological Objects gt Boreholes 94 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 Session Interoperability Tools Geology Help DATA DRAW CALCULATE CHECK os Open Data DTM som X 4 Workspace RE Codes 18 Log View N 1 D Workspace HH Geological Objects Cross Sections A Croplines lt gt Boreholes 5 81 Las File 1 boreholes 1 Las File E las files 36_23_1 LAS f Caliper CALT IN H Sonic Transit Time DT US F j Gamma Ray GR GAPI H Unrecognised INTT f Deep Laterolog Resistivity LLD OHMM f Shallow Laterolog Resistivity LLS OHMM Bul
76. ost useful when you need to cut several croplines along the same cut path for example to introduce a fault trace 3 4 3 Joining Croplines Two Croplines can be joined by dragging the end of one of the lines towards the end of the other line When the two ends are brought close together the two lines will be joined It is important to understand the way in which Cropline joins behave depending on the properties of the line objects 25 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 In general the line you are editing active line will be merged into the line you connect it to The merge process will attempt to preserve as much attribution as possible but the attribution on the line you connect to will sometimes be given priority for example if you join two lines with conflicting presence side attribution the merged version of the line will adopt the side attribution from the line you connect the active line to Joining Simple Lines lines are merged Joining Lines With Side Attribution lines are merged attribution is retained Joining lines with differing fault crop attribution lines are snapped If only one of the lines has side attribution then the merged line will adopt that side value regardless of whether the attribute is on the active line or the line being connected to If both of the lines have a fault crop attribute the merged line will also be flagged as a fault crop If only one of the lines has a fa
77. ow unit ornaments v Show description column Show interval stepping y Pile E las files Recall logs NYOONE_30 tns waded The information that is viewed in the heading can be enabled or disabled with a tick in the checkbox It is also possible to change the colour of the curve which has initially been set randomly or to show grid lines flip the diagram so that it is a mirror image of itself or show the curve using a logarithmic scale Log properties null Header Title Borehole ID BGS Ref Start height Drilled depth Drilled date Interpreter Las Display Options _ Flipped Grid Lines On Borehole name Easting northing Logo E Notes Logarithmic Scale 82 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 4 Workspace E Codes El Log View ji Grids L las log Scale 1 E up Borehole 1D 1 BGS Ref Las File E las files Recall logs PYDONE_30 las Start height 163 01m Drillad depth 246 77B4m Borehole name null Easting Norttying 307214 0 505015 0 Curve Name Gamma Ray CGR GAPI Vv Elevator Drilled depth 163 01m 0 0m 44461173 158 01m 5 0m 153 01m 10 0m 148 01m 15 0m 143 01m 20 0m 138 01m 25 0m 133 01m 30 0m 128 01m 35 0m qr 123 01m 40 0m 118 01m 45 0m 113 01m 50 0m Sr 108 01m 55 0m m 103 01m 60 0m 98 01m 65 0m 3 9301m 70 0m gt B3 01m 75 0m 83201m 80 0m 7801m 85 0m Ezag 7301m 90 0m Lil o K m Y Show headers Show
78. ped it Profile source FROM XML FILE Sh them from other crop snaps 44 cannot be moved only unsnapped The marker moves down onto the fault and now has a double line around the square to show that it is snapped Fault crop snaps also have a diagonal line across them to distinguish Section End snaps are slightly different from other snaps in that they can be unsnapped without using the CTRL key The snap marker is a large black dot It is important that correlation lines be snapped to ends of the section for clean linework Mapped fault snap This type of snap snaps the fault drawn in the section to the fault drawn in the map window The position where the fault line drawn in the map window cross the section is shown by the dotted red vertical line It can be unsnapped without using the CTRL key OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 4 7 JOINING CORRELATION LINES To join two lines together simply drag one end node towards the other end node This creates one single line where the geological attribution is the same 1 e the two lines will be merged into a single geometry 50 If the join is between correlation lines with different rock layer codes then the two lines remain as separate objects with a JOIN snap node between the two as shown below 50 Such dis cordant joins are currently displayed as a sharp vertical boundary Future versions of the softwa
79. re may enable configurable graphical representation as a zig zag or graduated transition 4 8 DELETING LINES To delete a line simply make the line active by clicking on it then either right click and respond to a yes no dialogue box for confirming deletion or hit the delete key and respond in the same way to the dialogue box 45 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 Note that deleting a line is undoable 4 9 EDITING THE PROFILE To edit the profile line first click on it to make it active Then drag and add nodes as described earlier see editing lines This is useful where you need to add fine detail such as a new artificial ground area or say a channel which had been obscured when original DTM was recorded or is only visible at finer detail than seen currently Note that the freeze profile option mentioned under the settings section does not prevent editing of the line but is rather to control the snapping to profile of geological line work 4 10 GENERATING A TERRAIN PROFILE In cases where no digital terrain model is available or where a manually created cross section profile is desired for example where you wish to digitize over an image it is possible to create one interactively Click on the Create Fixed Elevation Profile button in the cross section settings panel Section 1 Objects Section 1 Settings Show snaps Freeze Profile E Show polygon borders Show polygons
80. rmation the automated process will only attempt to attach SIDE attribution to cropline that do not currently have a value for that attribute Prediction Mode Would you like to overwrite all existing presence side Information or retain any that already exists Retain any existing information Raw Linework Before Automated Prediction Linework Displaying Ticks Following Automated Prediction The small ellipses show the seed positions that were used from the cross sections 28 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 Any linework that is not attributed as part of this process suggests either a lack of correlation of that horizon in any cross section passing through that line or rough correlation that is not close enough to the cropline position in the sections to be detected snapping of linework within cross section would resolve this Otherwise simply place the SIDE attribute manually as described earlier 3 5 BOREHOLES 3 5 1 Entering Borehole Data Interactively You can create individual boreholes and borehole logs interactively First arrange a map window to show the area where you wish to place the borehole then right click either exactly where you want to place the borehole or in a suitable blank area of the map if you wish to type the coordinates in Select Create Borehole from the popup menu Create Borehole A coordinate position entry dialog will appear pre populated with the map coordinates o
81. ssages Individual logs can be viewed by expanding the signs Boreholes can also be shown in one or more map windows or viewed using the Log Viewer If boreholes are used to construct a new line of section they will also appear in the section window When the project is saved the borehole data will be saved to the XML data files for the project 97 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 7 2 6 Import Colours Additional legend colours can be loaded using this import option The default file type is a dat file and it should be tab separated The format is as shown here 1 e NAME RED GREEN BLUE E Conditional Formatting 3 Insert Format as Table 3 Delete De o 0 0 ae Sort amp Find amp IEEE dd esc Number E i 229 185 77 165 211 98 115 185 50 229 GFDU 229 GFDUA 229 gt h ingham_ vid F Data Loaded _ Ll d The colours were loaded A GSI3D gleg file with the standard layout can also be loaded directly using this import 98 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 73 EXPORT 7 3 1 Export Project To GSI3D Format This export enables the currently loaded Groundhog Desktop workspace to a GSI3D v2013 format gsipr file On selecting this option a Save Export to GSI3D Project File dialog box allows the output destination and file name to be specified A dialogue box then offers three options for how the file is to be create
82. st be simple polygons http en wikipedia org wiki Simple polygon e Nodes very close to each other these can produce strange angles and have a similar effect to crossing lines Moving a node slightly solves the problem e Lines that run back on themselves for a small segment e Lines that look like one but are actually comprised of several lines that need to be merged joined The following diagrams illustrate some of these problems Pl cre bee n ra Flare aji el ATi a ALLA DA e oOo remer Die Diag ie E HH itr Ze e ui ds xi gt ia EEL Click this hittan Lines extending beyond the end of cactian at PUR A E a pra we 57 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 Using the trim button has cut all the lines back to the section boundaries and solved some of the problems Won AAA A Ter Vda As Card Ca tere lt CASULA OA Md La et A pr rs DSS A TO we toe ane gt Oe eee ee vis cane Gn ox A j j A id t qu A j i ee Cage es y 1 egte pa Ape DU H a ANA are A ee OTT are rn man see mo rr te op ann a cc aaa M However after snapping some of the nodes there is still a problem and the area above the chalk yellow is still not colouring up The section below has been vertically exaggerated to show the problem more clearly 2 Biz y 5 p Jg ES B qu 3 e i B ii fd 214 1 mM TE i W 159 01 Z
83. st project loaded View Error Messages 37 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 4 Cross Section Window Cross section windows display individual cross section objects You can open as many as you like and even open the same cross section in two separate windows 4 1 ZOOMING AND PANNING Panning is achieved by a single left mouse click and drag in the relevant direction Zooming in and out can be done by either 1 using the mouse wheel given you have a mouse with a wheel or 2 using the and buttons on the toolbar Here pressing minus will zoom out but pressing the plus button works differently it allows you to draw a bounding rectangle marquee by click and drag which then auto zooms in to that area EA To zoom to the full extent of the window use the button The mouse wheel zoom is programmed to re focus on the current mouse cursor position which makes zooming into a point of interest very quick and easy 4 2 VERTICAL EXAGGERATION To adjust exaggeration in the vertical axis use the drop down list as shown below Type in specific values and hit ENTER key if they do not exist in the default list C Undo Redo gt gt gt Profile source FROM XML FILE Adjust until you reach a comfortable level according to the vertical depth range of the stratigraphic units 4 3 UNDO REDO The cross section window supports a rudimentary level of undo redo capability although this is
84. t Boreholes S 87 i File Load 162 boreholes Er x1 1 ALT_ID SE65SE14 SESSSE14 El A LOG_SE65SE1A H x1 1 ALT_ID SE65SE17 SE65SE17 cd ct 1 ALT_ID 5E655E19 5E655E19 e 01 1 ALT_ID SE655E20 5E655E20 61 x1 1 ALT_ID SE655E21 SES55E21 5 2 2 Inserting And Deleting Intervals New intervals can be inserted into an interpretation by right clicking on an existing interval and selecting Insert interval 72 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 Elevation Drilled depth 4 63m 0 0m 8 83m 0 8m Interval Insert interval 3 3311 4 3m Delete interval Autofill gaps Remove log from document Log properties This will open the Interval Properties dialog allowing the attributes and symbology to be set for the new interval The top depth value of the new interval will be set using the base value of the clicked on interval i e the new interval will be inserted below the clicked on interval Unless the new interval is being inserted at the base of the interpretation or into a gap in the interpretation an overlap with adjacent intervals will occur Overlap situations are highlighted by a red box in the strat column Overlaps can be easier to see if log stepping is enabled compare below images an l PA ITHIFIED DEPOSI rs o ODIN SCHEME fa Cr Mi CLAY SANDY ALIADO DEPOSITS CX SEMEN DE CLAY SAI i O ah hg if paj I z i AAA A oa nae ae 3 es
85. t its data objects will be added to this workspace object tree To navigate the workspace object tree simply click on the icons to expand each level of detail Depending on the type of the object and the level of detail various context sensitive popup menus are available via right click 2 4 2 Codes This tab provides a reference list of geological rock layer codes referred to as the Coding Scheme including some special codes such as FAULT Picking a code from this list makes that code the active code for editing digitizing For details of how this list is created refer to the Dictionaries and Coding Scheme sections of this manual OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 Rock Codes Rock Code Library sexe Ga BHV TUF BATHGATE HILLS VOLCANIC FORMATION TUFF BHV VLSS BATHGATE HILLS VOLCANIC FORMATION VOLCANICLASTIC ROCKS BOTH P BHVN BSN BELHAVEN POINT VENT BASANITE BHVN TUAG BELHAVEN POINT VENT TUFF AND AGGLOMERATE BICG CALSST BIRDSALL CALCAREOUS GRIT MEMBER CALCAREOUS SANDSTONE BICG SDLM BIRDSALL CALCAREOUS GRIT MEMBER SANDSTONE AND SUBEQUAL SUBC BICG SDST BIRDSALL CALCAREOUS GRIT MEMBER SANDSTONE BICO COAL BILTON COAL BEDS COAL BICS BA BINNY CRAIG SILL BASALT PAn gp gan p BID COAL BIRGIDALE FORMATION COAL Th Fault Profile Shape 2 4 3 Log View This tab provides a downhole log viewing window for borehole data Refer to the Log View section of th
86. terval left click on the desired entry in the texture listing its label will turn blue to indicate that it is selected and the selected texture will appear in the preview panel in the lower right of the dialog If you are happy with the selection click Apply To clear the ornament texture from the interval click the Clear texture button at the top of the texture listing panel 5 1 5 Choosing And Applying A Colour To set the colour on the interval use the colour button in the upper right of the dialog to open a colour chooser dialog select the desired colour in the dialog and click OK The selected colour will be applied in the preview panel in the lower right If you are happy with the selection click Apply Colour Colour 5 1 6 Choosing And Applying A Stepping Value To set the stepping class for the interval between 1 and 5 use the Grainsize selector on the right of the dialog to choose a classification for the interval A smaller value will result in a narrower graphical display for the interval Note that stepping is not automatically displayed in the document window to switch stepping on use the Show interval stepping check box control along the bottom of the document window Grainsize Shep 2 y 5 1 7 Viewing Borehole Scans Scans of the borehole driller s reports are available on the intranet for many of the SOBI entries With some boreholes loaded into the session these scans can be accessed from within Porcupine
87. th the option to smooth the line to different levels using the slider Vertex Edit Smoothing in the DRAW ribbon Line end nodes can be snapped by dragging a node to another snap enabled line such as another correlation line see under snapping in next section New nodes can be added by double clicking at the appropriate position along the line sheffield2 Section Window i Vertical Exaggeration 1 00 S amp N LSMB MDST 7 undo Redo Profile source FROM XML FILE um a o D aL To remove a node double click that node To add a node double click anywhere on the line outside existing ones To delete a whole line right mouse click on the line and a dialogue box will appear for confirmation Choose yes and the line is deleted To move a whole line position place mouse arrow over the line hold down the shift key plus left mouse button and drag the line to its new position and then release the mouse button 4 6 SNAPPING Definition attaching one line to another in an unambiguous way by creating a single common node Snapping is necessary in order to create complete watertight polygons in the section and avoid uncertainties in the connections between lines by spatial proximity alone Snaps can be identified by the double circle drawn around the join The centres are coloured according to the type of snap node The following types of snapping are available in the section window correlation
88. the left hand object reference window taskbar and scroll or search for the geological code 20 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 Rock Code Library Search sdst Add Code WRST SDST WARD S STONE SANDSTONE SANDSTONE WS SDST WHITEHAVEN SANDSTONE FORMATION SAI WSN SDST WESTON FLAGS FORMATION SANDSTONE WTRS SDST WINTERTARN SANDSTONE MEMBER SAN WTS SDST WHITA SANDSTONE BEDS SANDSTONE WVS SDST WIVELISCOMBE SANDSTONES SANDSTONE WWAT SDST WERN WATKIN FORMATION SANDSTON WWG SDST WARLEY WISE GRIT SANDSTONE WY SDST WYCHE FORMATION SANDSTONE a AENA MANN Ya YA SDST YR ALLT FORMATION SANDSTONE p YED SDST YEDMANDALE MEMBER SANDSTONE YKH SDST YOKE HOUSE FORMATION SANDSTONE YORE SDST YOREDALE GROUP SANDSTONE YSG SDST YSGUBORWEN FORMATION SANDSTONE YT SDST YARTLETON FORMATION SANDSTONE YWS SDST YELLOW SANDS FORMATION E 3 obsol SDST OUSDALE ARKOSE FORMATION SANDSTC a Th H EEN0O0OS N a Or select the Recent button to display a list of recently used codes to select from If your desired code does not exist click on Add Code and enter the rock code name manually Alternatively select the DRAW tab from the main taskbar to display the drawing ribbon and select a rock code from the Recent Codes area gA Groundhog Desktop Session Interoperability Tools Geology Help Pen Tool Node Density Vertex Edit Smoothing Recent Codes
89. the line to peek into the geology of the cross section at that position the data will be presented as a log image 3 3 1 Opening In Cross Section WIndow To view a cross section in the section window from the map window right click on the displayed cross section in the map window and select View Cross section 18 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 d mapi x ra 1 O de LI ANZ pr View cross section The selected cross section will then be displayed within a new cross section window 3 3 2 Drawing A New Cross Section To draw a new cross section 1 Select the Create New Cross Section button Ad from the map window toolbar 2 Specify a name for the new cross section Single click in map to add desired points to the line of section Hold CTRL when clicking to display a coordinate editing dialog Click Finish Cross Section to finish 3 Start to draw the new cross section using single mouse clicks within the map window to create the nodes of the line of section If you have boreholes displayed in the map window these will be previewed if you hover over them if you then click directly on the borehole position it will be added to the cross section as a borehole object If you click a position that is not a borehole position it will be added as a plain 19 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 coordinate If you wish to edit the coordinate hold down the CTRL key
90. uld apply three successive filters to achieve this 79 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 54 VIEWING CURVE LOGS How to load Well Log data into the workspace is described under the Interoperability section of this manual Once the data has been loaded it can be viewed graphically using the Log View Each set of measurements is displayed within its own Log Track but several Log Tracks can be viewed alongside each other within a Document One or more Documents can be loaded into the Log View and can be viewed by clicking on the tab with the document name To view a set of Las file measurements right click against the measurement heading in the tree structure and select View In Porcupine Document gt New Porcupine Document If a Porcupine document has already been created this can be used as an alternative to creating a new one Workspace Y Codes BLog View ii Grids va D Workspace 2 Geological Objects E Cross Sections N Croplines co Boreholes al au Las File 1 boreholes lt gt 1 Las File E las files Recall logs Nv0o 3 Caliper CALLIN 4 ff Gamma Ray CGR GAPI H 3 Bulk Density Correc View In Porcupine Document New Porcupine Document 4 3 Sonic Transit Time HA Deta T Shear Mc 7 Switch on edit samme Ray GR GAPT Resistrty LLD OHMM LLG OHMM Hs slog Resistivity LLS OHMI j t t A aw 14 Pote Hi U t G Ga 19 Spo Hi Tem t 0 HA ur N PPA A Fouls A Fold Axes
91. ult crop attribute the lines will only be JOINED they will not be merged into a single line and will remain as two separate line objects snapped together This is to allow the distinction between the two types of crop 3 4 4 Seeding Layer Presence Side On Croplines A basic cropline defines the base contact of a geological layer on the map but it does not specify on which side of the line is the presence of that layer i e to the left or right of the line Because Groundhog deals with true contact lines rather than coverage polygons a k a envelopes the presence is attached via a SIDE attribute The value of this SIDE attribute is either LEFT or RIGHT or null if the side is not known There are two ways to attach the SIDE attribute to the linework interactively or automatically The SIDE attribution is preserved in the project data files when the project is saved 3 4 4 1 ATTACHING A SIDE ATTRIBUTE INTERACTIVELY The SIDE attribute can be placed interactively in the map window by first making the line active then picking the side tool and clicking on the map to the desired side of the line Note that the side attribution tool is only active when a Cropline object is selected Small side ticks appears graphically to show which side the attribute has been placed 26 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 mi lt O ep hsor se al 2 Select side seeding tool 3 Click to place seed x 1 Make
92. unit ornaments Y Show description column Show interval stepping File E las files Recall logs NYOONE_30 las loaded Las file data can be viewed alongside other borehole data 83 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 6 Workflows 6 1 FAULT CONSTRUCTION Faults can be constructed in both map and cross section as fault linework Where fault linework is created in the map these are referred to as Fault Trace objects where fault linework is created in cross section these are referred to as Fault Stick objects Fault information is also attached to some map croplines and cross section correlation lines 6 1 1 Fault Traces Fault traces represent the top of a fault plane in the map as a simple line These lines serve mainly as a reference to the surface or subsurface expression of the top of the fault plane and are used to associate a series of fault sticks together from cross sections To draw a fault trace pick the Fault code from the lower panel in the object tree Codes tab and use the pen or digitizing drawing tools to construct the line on the map gt 3QCO COAL THREEQUARTERS COAL SOUTH C 3QCW COAL THREE QUARTERS COAL WARW F ili F Shape 84 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 ey E 48 Faut Em 55 4 py Fault trace networks can be constructed by snapping fault trace lines together Simply drag the end node of a fault trace towards the other trace O 6 1 2
93. up descriptions of abbreviated or coded values for example SSG Sherwood Sandstone Group Dictionaries are held in XML format with a file extension of godic Geological Object DICtionary The format is as follows lt 2xmil versron 1 0 encoding UTF 8 standalone no gt lt GeologicalObjects gt lt dictionary name Rock Codes description A list of rock codes gt lt dictionary entry name SST value Sandstone gt lt dictionary entry name MDST value Mudstone gt lt dictionary entry name LMST value Limestone gt lt dictionary gt 13 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 lt GeologicalObjects gt Groundhog needs at least one dictionary which is referred to as the rock layer coding scheme see next section Dictionaries can also be imported from a tab separated text file where the first two columns of the file are the NAME and the VALUE Further columns will simply be ignored 2 7 2 2 CODING SCHEME The coding scheme is a list of rock layer codes from which you can select for editing and digitizing They are held as a Dictionary object Groundhog ships with a pre defined coding scheme based on the BGS Lexicon of Named Rock Units http www bgs ac uk lexicon but you can import your own codes from a tab delimited text file see Dictionaries or create your own coding scheme dictionary file in the workspace WORKSPACE DEFAULT CODING_SCHEME godic 2 7 2 3 COLOUR LEGEND FILE
94. upine Document 0 0 x1 1 ALT se e 1 ALT pe lt 1 1 ALT Clone EE 9 5 x1 1 ALT_ID SE655E22 SE65SE22 aC x1 1 ALT_ID SE655E23 SE65SE23 lial fed 21 TAIT Tre Sea cei 1 Cea oad Fa Switch on edit If the header is visible its border will be displayed in red and also a red Edit Mode label will appear above the log in the document window to signal that the log is currently editable The interpretation label in the object tree will also turn red 68 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 E Log View Scale 1 100 amp Borehole ID 1 BGS Ref ALT ID SE655E14 Start height 17 0m Drill Borehole name SE655E14 Easting Northing 465355 0 451838 0 17 0m o m Elevation Drilled depth E DIT M O D E SAND UNLIT 13 34m 3 66m CLAY BOLILE CB null A Workspace Workspace Geological Objects H 7 Cross Sections Be Wa Croplines E gt Boreholes al fi File Load 162 boreholes E p a 1 1 ALT_ID SE655E14 SE655E 14 H H LOG_SE65SE14 oS x1 1 ALT_ID SE65SE17 SE65SE17 gt 1 1 ALT_ID SE655E19 SE655E19 gt x1 1 ALT_ID SE655E20 SE65SE20 e x1 1 ALT_ID SE65SE21 SE655E21 64 x1 1 ALT_ID SES55E22 SE65SE22 With the interpretation now in edit mode double click on the interval to be edited to open the Interval Properties dialog Under the Attri
95. via a link to the Intranet scans application Individual scans can be accessed via Right click gt View scan on the borehole in the Workspace object tree note that scans are attached to the boreholes not to the individual interpretations belonging to the boreholes Scans are loaded in a web browser by linking to the Intranet scans application NOTE this function is not reliable on all machines and some scans might fail to load in which case hit refresh in the problematic browser window This is not a problem with Groundhog Porcupine but with the browser and or the PDF plug in for the browser 67 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 5 2 EDITING INTERPRETATIONS You can use Porcupine to edit your borehole interpretations and then save your Groundhog project to store the interpretation in XML data files You can also use Porcupine to edit any borehole interpretation simply for graphical display if you wish 5 2 1 Editing Log Intervals Switch the interpretation into edit mode either via Right click gt Switch on edit on the interpretations entry in the object tree or via Right click gt Switch on edit on the interpretations actual log or header in the document window A Workspace Codes H D Workspace o Geological Objects E IM Cross Sections ee a Croplines E a gt Boreholes og ij File Load 162 boreholes El y x1 1 ALT_ID SE655E14 SE65SE14 H LOG_SE65SF14 DA 00 1 ALT View In Porc
96. wh pa Ta OLEA EP BLOW TANU IREDIUM DERSE HECIUM SAND MEDILM DENSE MEDIUM _SAND ES ee ST UMLITHIFIBD DEPOSITS CODING SCHEME SILT UMLITHFED DEPOSITS CODING SHEME LAY SAND GR VELLT COSM Y UNLITHIFIED DEPOSITS OLA SANCY GRAWELLY COBELT UMLITHIFIED DEPOSITS CODING SOHEME TILL oiha SCHEME TILL SOFT and FIRM con SOFT and TEH HELPS TO SHOW HIDDEN INTERVAL OLAY UMLITHIFED DEPOSITS CODIMG SCHEME Sl r UNLITROFIDD DEPOSITS CODING SCHEME p CAMO SILTY UNLITHIFIED DEPOSITS CODI SOnEME L Ls ripe SAND SILTY UALITHIFIED DEPOSITS CODIMG SCHEME 2 MEDIUM DENSE IMEDIUM_SAND da MEDIUM DENSE IMEDIUM_ SANO D ET To resolve the overlap the top and base values of adjacent intervals will need adjusting or alternatively overlapping intervals can be deleted and removed completely Double clicking on an overlapping region will present a selection dialog allowing you to decide which of the two overlapping intervals to change in order to reconcile the overlap Check the interval you want to edit and click OK 73 OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 Select interval to edit _ S SAND UNLITHIFIED DEPOSITS CODING SCHEME 1 0m to 6 0m _ CSVL CLAY SANDY GRAVELLY COBBLY UNLITHIFIED DEPOSITS CODING SCHEME 4 0m to 9 2m Edit the depth values as appropriate to remove the overlap and click Apply gt OK To delete an interval from the interpretation right cl
97. workspace session Interoperability various options for import export of non GDE format proprietary and standardized data formats 3 Tools various useful data tools Geology tools to predict and deduce geological information from workspace data objects 5 Help about Groundhog Desktop 2 3 TOOLBAR TABS Data workspace and data load save buttons Draw editing and digitizing functions and settings Calculate prediction and deduction tools oY YP Check data checking tools OR 15 046 Final 1 0 Last modified 2015 09 03 09 12 2 4 WORKSPACE PANEL The workspace panel is a tabbed panel providing access to the data objects loaded into the workspace It has the following tabs 2 4 1 Workspace This tab provides a categorized list of loaded data objects displayed in a hierarchical workspace object tree control Depending on the category and the level of object in the object tree various context specific menus are available via right click A Workspace E Codes H Log View E Grids Workspace TA Geological Objects ct O Cross Sections ay Croplines oon Boreholes a A Faults ae Fold Axes A Dip and Strike Measurements te Structure Contours iP Modelled Objects JE Stratigraphy H E Reference Objects Note that not all object types displayed in the tree are currently supported and may vary across versions of the software When you load a projec
98. y BGS 50k Bedrock GER BGS 1 50k Bedrock BGS 50k Superfidal deposits GBR BCS Stk Conorfcol donanitn _ BGS 50k Artifidal around GBR BGs Y View WMS layerIn Map New Map Window BGS 50k Mass movement GBR BGS 1 50k Mass movement d BGS 50k Linear features GER BGS 1 50k Linear features RE Dictionaries A Meshes Shapes Note that Groundhog has no capability for Latitude Longitude so can only support WMS services which can respond to requests in a cartesian grid coordinate system e g British National Grid 2 7 3 Projects Projects are what you normally work with day to day to load and save the data you are working on Project data is held in XML data files For this Groundhog has its own XML based data file format referred to as Geological Object Markup Language goml Generally it is not advisable to edit these data files manually they are designed for data transfer and local project storage Each GOML file contains objects of a single type for example boreholes or cross sections When data is saved out as a Groundhog project a Geological Object Project file GOP and a series of GOML files is created one per object type e Projectl gop e Projectl cross sections goml e Project1 boreholes goml e Projectl faults goml e Project1 croplines goml Note the naming convention The first part of the file name is the name of the project and the second part shown in bold above 1s the data type Never re name f

- NERC Open Research Archive

Contents

Download Pdf Manuals

Related Search

Related Contents