User Manual of 3D DTM Viewer - Geo-Seas
Contents
1. g S lt G self describing machine independent data formats that support the creation access and sharing of array oriented scientific data The project homepage is hosted by the Unidata program at the University Corporation for Atmospheric Research UCAR http www unidata ucar edu software netcdf SRTM Shuttle Topography Mission World Geodetic System revision dating from 1984 Global Reference system using latitude and longitude as coordinates equivalent to EPSG projection 4326 Web Map Service standard protocol for serving georeferenced map images over the Internet that are generated by a map server using data from a GIS database The specification was developed and first published by the Open Geospatial Consortium World Wind NASA World Wind is a graphically rich 3D virtual globe It combines NASA imagery generated from satellites that have produced Blue Marble Landsat 7 SRTM MODIS and more Website http worldwind arc nasa gov java Three dimensions GS_WP11_D11 5B_GEO SEAS 3DViewer_v124 End user Manual_v8_hmg 06 02 2013 14 53 392. Project Custom The rprojectofolder is designed for the management of the elevation and the rendering of layers derived from the DTM files that the end user opens for the purposes of his project The folder name is given by the end user The fcustomolayers folder is designed for the management of the WMS imported data from external sources by the end user The name of the folder is the name of the WMS server To expand the list of layers attached to each folder click the arrow to the left of the folder To activate all the layers of a folder select the box to the left of the folder name To activate a given layer expand the list of layers and select the box to the left of the desired layer name To delete a given layer select the layer click the right mouse button choose delete in the menu To access the functions and to modify the viewing parameters attached to a given layer click on the layer name to activate the parameters view window The window will open below the layer explorer The following sections describe the categories of layers and associated functions 2 2 2 Background Earth image Layers 2 2 2 1 Earth image Background layers features the Earth with the World Wind default layers Figure 3 Stars background and atmospheric effects Images of the Earth which are draped onto the elevation layer e the Blue Marble WMS Next Generation May 2004 necessary to be able to zoom in and view the Earth at each t
3. 3DViewer vi24 End user Manual_v8_hmg 06 02 2013 14 53 13 Status FINAL Version 7 Layer Explorer Geographic view W rx f 7MR 5 Background IS Shape iat M T4 WestMediterranean Z_elevation V WestMediterranean Z Parameters View Tools Panel Vertical Exaggeration After activation Vertical Exaggeration Measure _ Measure Length Direct Length E Activate All Vertical Tiles Skirts Altitude 34km Figure 8 Skirt activation 2 2 3 Shapeo layers The group of buttons located on top right of the Geographic View panel gives access to functions which enable the creation of points in the fmarkersolayer of the rshapeofolder Figure 9 Select the button move the mouse to the desired position and click the leftmost button of the mouse to create a point Repeat the operation as many times as points to be created a 3D Viewer File View Options Help 3 Layer Explorer MH Background 4 V Shape v Markers if Parameters View Opacity Panel alete Marker Panel Color Yellow Size Shape Point Export to Figure 9 Marker editing GS_WP11_D11 5B_GEO SEAS 3DViewer vi24 End user Manual_v8_hmg 06 02 2013 14 53 14 Status FINAL Version 7 To move a marker select it with the leftmost button of the mouse then move the point to the new location To delete a marker select it with the rightmost button of
4. FINAL Version 7 rendering icon layer files contain image data which is draped over DTM data select the rendering layer of your DTM to activate the Parameters view window which allows modification of the various effects applied to the image opacity contrast colour scale shading etc Click the box twice if the panel does not appear E Background S Shape Figure 18 View parameters settings Parameters View gt LI Opacity Panel Contrast Panel Contrast Bathymetry m 3153 50 10 00 Contrast Color Invert Shading V Shading Azimuth Zenith F Log Shade x y gt K Exaggeration log10 Gradient 4 0 1 2 3 4 Filter 0 1 2 3 Gauss WJ Apply configuration for all layers Apply for all Bathymetry Layers Figure 19 View parameter settings GS_WP11_D11 5B_GEO SEAS 3DViewer_v124 End user Manual_v8_hmg 06 02 2013 14 53 20 Status FINAL Version 7 Parameters can be selected and modified Figure 19 and 20 using the following filters Opacity Opacity can be reduced to see underlying layers such as added custom layers WMS see next chapter Contrast The contrast is computed on the tiles cf Nasa World Wind tiling process containing the pixels of the active layer as indicated in the main panel There are four options min max returns to original dynamic rendering 0 5 Filtering on a 0 5 quartile of the texture This approximately equa
5. the translation of the path GS_WP11_D11 5B_GEO SEAS 3DViewer vi24 End user Manual_v8_hmg 06 02 2013 14 53 12 Status FINAL Version 7 The measure gives the approximate over ground and direct lengths of the segments lf errain Profiledis selected the cross section of the terrain along the path is displayed in the lower right corner When a user DTM is overlaid on the globe the section displays the elevation depth of the DTM Figure 7 m 3D Viewer File View Options Help Layer Explorer v eographic view Political Boundaries Place Names World Map Scale Bar at Lon Graticule IV Compass Tools Panel Vertical Exaggeration A Vertical Exaggeration Measure Export Profile Measure Import Profile Length 168 1693 km Direct Length 168 1045 km sse P key left click to add new measure per W Activate All Vertical Tiles Skirts Altitude 1 369 km Lat 40 7987 Lon 1 9053 Elev 1 197 81 meters Figure 7 Distance and terrain profile display Once the measuring process is finished the Elevation profile can be exported as a Comma Separator Value csv file readable by Excel by clicking on the Export Profile button To erase and redo the measure just uncheck and recheck the check box e Skirts activation This function must be kept activated to eliminate artefacts sometimes observed using WW highlighted in the square in Figure 8 GS_WP11_D11 5B_GEO SEAS
6. tips and advice to assist users in dealing with common problems 3 1 1 FAQ Data layer is invisible and a hole appears instead Holes and walls Custom layers do not respond Application crash 3 1 1 1 Earth appears blank Geo Seas 3Dviewer works by draping images over a 3D globe Most of these images are downloaded from WMS servers onto your computer An example being the default map blue marble Thus if the 3D globe appears blank Figure 34 it may be due to a connection issue P pie File View Options Help Sesmx Woter column Shope Layers Tools Terrain Navigation LL i cuded Landsat EN Custom SOUTH AMERICA d TETES Altitude 13 640 km Off Globe Figure 35 Earth appears blank GS_WP11_D11 5B_GEO SEAS 3DViewer_v124 End user Manual_v8_hmg 06 02 2013 14 53 32 Status FINAL Version 7 Figure 36a Preferences menu This will open a dialogue box Figure 35b Connexion Work offline Figure 37b Preferences dialogue box Then enter the valid information or ask your network manager for the relevant parameters and validate your settings Finally check that you are not working off line which usually solves the problem GS_WP11_D11 5B_GEO SEAS 3DViewer vi24 End user Manual_v8_hmg 06 02 2013 14 53 33 Status FINAL Version 7 S e N 2 y o proxy Use system proxy settings Manual proxy configuration Figure 38c Preference to Wo
7. 6 02 2013 14 53 30 Cay Status FINAL Version 7 2 2 6 Other functions and short cuts The group of buttons located in the upper right corner of the screen Figure 33 gives access to a series of functions already described in the previous chapters ACRE ZAE TC Figure 33a Short cuts menu bar Take a screenshot saves a screenshot of your current World Wind view Reset the view point Resets azimuth and elevation angles to their default values i e Az 0 El 909 Go to a location Centers the view point onto a specific location whose coordinates in decimal values are input by user through a dialog box Figure 33b Coordinates Decimal latitude D Decimal longitude 0 Figure 34b Go to coordinates tool Add point creation of points in the fmarkersolayer of the fshape folder see corresponding chapter Add zone creation of polygons in the Markers Shape olayer of the rshapeo folder see corresponding chapter Ty CDI retrieve the Geo Seas SeaDataNet Common Data Index identifier of the source dataset used to compute the depth of the cell where the cursor is and gives access to the metadata of the dataset only for multilayer DTMs using the Geo Seas procedure for building DTM and Emodnet hydrography DTMs GS _WP11_D11 5B GEO SEAS 3DViewer vi24 End user Manual_v8_hmg 06 02 2013 14 53 31 Status FINAL Version 7 3 TROUBLESHOOTING This section provides
8. 70 km Figure 1 3 D Viewer The 3D viewer Figure 1 is freely available for general use provided the user has registered in the Geo Seas portal htip www geo seas eu and has accepted the conditions of use Users may then download The 3 D DTM Viewer software The end user manual The installation guide Aset of DIM files in the appropriate format for testing the software 2 USER MANUAL 2 1 General Controls 2 1 1 Mouse commands Left Mouse Button Hold this button down and move the mouse to rotate the earth to the right or left top or bottom Right Mouse Button Hold and drag your mouse to tilt the earth to see the 3D views of an area that has Shuttle Radar Topography Mission SRIM data This function is not noticeable until you zoom in closer to a point on the earth Both Mouse Buttons Zoom in and out of the Earth Scroll Wheel Use this to zoom in and out of the Earth 2 1 2 Menu The main file menu options are File View Options and Help Figure 2 E sovene File File View Options Help GS_WP11_D11 5B_GEO SEAS_3DViewer_v124_End user_Manual_v8 hmg 06 02 2013 14 53 7 Status FINAL Version 7 Figure 2 3D viewer toolbar File New project Create a folder for the user DTMs Open Open the DTM file once the project has been created Save For swath data only not implemented in this version Save session Save the context of the session of the user Change session Open a session previousl
9. Geo Seas Pan European infrastructure for the management of marine and ocean geological and geophysical data KEk 4 Jr Ky Geo Seas ww D11 5 Geo Seas 3D DTM viewer end user manual Organization name for lead contractor for this deliverable SHOM Project acronym Geo Seas Project full title Pan European infrastructure for management of marine and ocean geological and geophysical data Grant Agreement Number 238952 Start date of project 1 May 2009 Co ordinator Helen Glaves i eh e an British So BGS Geological Survey bee NATURAL ENVIRONMENT RESEARCH COUNCIL e nfrastructu re Status FINAL Version 7 Deliverable number Short Title Geo Seas 3D DTM viewer end user manual D11 5B Long Title Geo Seas 3D DTM viewer end user manual for the Geo Seas DTM prototype Short Description This document describes the functionalities of the 3D viewer which was developed as part of the Geo Seas viewing services to be used in association with the demonstration of DIM datasets which were produced in accordance with the Geo Seas standard methodologies as described in D11 4 This manual aims to provide a detailed guide to accessing and using the 3D viewer application as well as providing guidance in resolving common issues and access to further help if required DTM 3D viewer demonstrator Authors Organization s Editor Organization SNS H Glaves NERC BGS GS WP11 D11 5B GEO
10. INAL Version 7 Annex A References 1 J M Augustin 2012 Sonar Scope 3D viewer software tools for the processing and display of oceanographic data from acoustic sensors Sea Tech Week Conference Brest 2012 2 NASA WORLD WIND Copyright 2001 United States Government as represented by the Administrator of the National Aeronautics and Space Administration All rights reserved http builds worldwind arc nasa gov 3 J J Sandwell D T Smith W H F Braud J Binder B Depner J Fabre D Factor J Ingalls S Kim S H Ladner R Marks K Nelson S Pharaoh A Trimmer R Von Rosenberg J Wallace G and Weatherall P 2009 Global Bathymetry and Elevation Data at 30 Arc Seconds Resolution SRTM30_ PLUS Marine Geodesy 32 4 355 6 371 GS_WP11_D11 5B_GEO SEAS 3DViewer_v124 End user Manual_v8_hmg 06 02 2013 14 53 37 Status FINAL Version 7 Annex B Figures and Tables B 1 List of Figures AUS T oD VICW CF ee 7 Figure 2 3D viewer toolbar ccc ceccceeceseceecceccenececcsecesceeeceseceneteeceeeeeueteeceseeeueeeeeeeteueeeeeenes 8 Figure 3 Background layers ccccsccssccseccsccseceseccneceucteecenceeuceseeeseeeeceeeeeneeeuetseeeeeeeectseseneeeeeees 10 Figure 4 Terrain 6 OR net mere eer nee ere on ter eter nme tet tne tat are 11 Here Vera ao ABB et CCR ea ae aa aq 12 Figure 6 Activation of the distance measurement tool right not activated left activ
11. S ee E E 36 Annex A PROTO FO CO A ceen ne a a de 37 Annex B eee e EE E A E a on 38 Annex C TERO Oo 39 GS_WP11_D11 5B_GEO SEAS_3DViewer_v124_End user_Manual_v8_ hmg 06 02 2013 14 53 4 Status FINAL Version 7 2 3D Viewer File View Options Help R Layer Explorer v o Background an Arati PAN Shape En ae MG ESS a a ag Es 4 am A 1 1 FA V North Atlantic j jf f iN Parametres k aN 2000 Km Altitude 19 070 km Off Globe 1 INTRODUCTION 1 1 Overview The Geo Seas 3D Viewer is a geographical 3D Viewer providing an innovative and high performance application with which to view and interact with data types such as Digital Terrain Models DTM and Web Map Service WMS which are plugged into a virtual globe It has been designed for the purposes of In depth evaluation of data set content to assess the quality of a DIM resolution coverage quality using basic GIS functionalities combining data layers such as sample location sediment properties etc Using WMS from other data sources to assist end users searching for data or analyzing interactions between processes on the seabed or between the water column and topographic features demonstrating the concept of making this type of service available to end users without them requiring specific skills to install or to use the service The viewer has been derived from the SonarScope 3DViewer hitp www ifremer f
12. SEAS 3DViewer v124 End user Manual v8 doc Deliverable due date Deliverable submitted date Month 38 Month 38 Comments on authors Status Date Comments E Moussat Ifremer DRAFT 19 June 2012 Circulated for comment UCC G Sutton UCC DRAFT 25 June 2012 User manual for new version of the 3D viewer 1 2 3 It includes descriptions of m e the new interface AAE E MOUSER DRAFT 31 October 2012 e added functionalities Ifremer e updates for troubleshooting The installation guide has been extracted in a separate document REF IDM SISMER 12 042 005 G Sutton UCC DRAFT 29 November 2012 FAUNO ones anaa ne other minor amendments V1 2 4 E Moussat FINAL 06 November 2012 o Adding missing references 008 FINAL 30 January 13 Editing Dissemination level PU Public GS_WP11_D11 5B_GEO SEAS_3DViewer_v124_End user_Manual_v8 hmg 06 02 2013 14 53 2 Status FINAL Version 7 Confidential for project partners and the European Commission only a Executive Summary This document comprises the user manual of the Geo Seas 3D DTM viewer This software has been developed as part of the Geo Seas deliverable D11 5 DTM prototype delivery for evaluation by users The 3D DTM viewer software has been designed in response to end user requirements related to bathymetric data access and viewing services summarized in the Geo Seas deliverable D11 4 List and definitions of DTM products with guidelines for description and re
13. WP11 D11 5B_ GEO SEAS 3DViewer vi24 End user Manual_v8_hmg 06 02 2013 14 53 27 Status FINAL Version 7 All the layers available on this server will be loaded and registered in the Custom layers category NB the layers may not load immediately and the process may take some time to complete depending on intervening bandwidth and server side capacity limitations GS_WP11_D11 5B_GEO SEAS 3DViewer_v124 End user Manual_v8_hmg 06 02 2013 14 53 28 Status FINAL Version 7 The following figures illustrate the process of adding WMS from the Emodnet hydrography portal for comparing bathymetric survey tracks with a DTM Step 1 copy the address of the server and name the folder in which you want to add the layer you select in the list of WMS Figure 29 s 3D Viewer T 0 fm Layer Explorer IE Background S Shape a V User DTMs VITL westmed jicorrige v2 elev V westmed_2012_cdicorrige_v2 Server address http geoservice maris2 nl wms seadatanet c Layer name EMODNET hydrography surveys Server address is the HTTP address of the WMS server Eg 1 http www ifremer fr services wms1 2 http geoservices brgm fr geologie Layer name is the label appearing in the layer panel to identify the server For example IFR or BRGM Layer you can choose in these cases L for IFREMER Facies sedimentaire surfacique de 2 for BRGM Carte geologique image de la France au 1 50000 Carte geologi
14. a GS _WP11 D11 5B_ GEO SEAS 3DViewer vi24 End user Manual_v8_hmg 06 02 2013 14 53 26 w Status FINAL Version 7 2 2 5 Custom Layers WMS servers The Geo Seas 3DViewer can retrieve data stored on a WMS World Map Server cartographic data server To access a WMS server proceed as follows File gt gt Add WMS layer Figure 27 030 View I A ck a File View Options Help 5 New project peroneal Open Save kd Save session Change session Import Export elevation Add WMS layer P Quit Parameters View gt 0 Opacity Panel s Contrast Panel Contrast Bathymetry m 3153 40 613 00 Contrast 111 Figure 27 Adding a custom layer WMS Then type in the server address and the layer name within the dialog box Figure 28 Server parameters Server address Layer name Server address is the HTTP address of the WMS server Eg 1 http www ifremer fr services wms1 2 http geoservices brgm fr geologie Layer name is the label appearing in the layer panel e identify the server For example IFR or BRGM Layer you can choose in these cases 1 for IFREMER Facies sedimentaire surfacique de 2 for BRGM Carte geologique image de la France au 1 50000 Carte geologique image de la France au 1 250000 Carte geologique image de la France au million Carte lithologique simplifiee au 1 1 000 000 Figure 28 Dialog box to add WMS GS _
15. atasets at each DTM cell by means of unique identifiers in the Common Data Index of Geo seas SeaDataNet hitpo www geo seas eu v_cdi_v2 search asp Bathymetric grids of the European Seas produced under the framework of the Hydrography and Seabed mapping preparatory actions of the European Marine Observation and Data Network EMODnet htip Awww emodnet hydrography eu can also be downloaded in the Geo Seas transport format and viewed using the Geo Seas 3D viewer Viewable Grids can be produced using either of two methods A Generic Mapping Tools GMT and scripts developed specifically for the purpose see htip www geo seas eu for downloading or B variety of software such as Caraibes or Sonarscope http flotte ifremer fr fleet Presentation of the fleet On board software The Geo Seas 3DViewer is a complete standalone application based on NasaWorldWind technology and associated 3D engine It is developed in Java and available on all platforms running NasaWorldWind 2 This document describes the installation and all the functionalities available in Geo Seas 3DViewer It is adapted from the help section in the software which has been designed to mimic the graphical behaviour of the software window GS_WP11_D11 5B_GEO SEAS 3DViewer_v124 End user Manual_v8_hmg 06 02 2013 14 53 6 LP Status FINAL Version 7 1 2 License and download B E 3D Viewer LA File View Options el Altitude 19 0
16. ated 12 Figure Distance and terrain profile dis DAV nana sean tasse as de amet 13 SES SSI SNA OR E ee ee ee re 14 FPS Marker Cee eter tate aceite eee tt ce etn se let ete gto ee 14 ee RO PONEO CIRE ee cee ee eee eer rT 15 Figure 11 Polygon area measurement cccccecccsececceeccecceecceceseeeuceseceeeeeuceeceeeeeucteeeeseeseetes 16 Figure 12 Polygon Opacity SEttiING ccccecceeccseccsecseccseceeceeucteeeseeeuctseceseeeeseeceeeeeeceeeeeeeeeeetes 16 Figure 13 Creation of a folder for the management of the DTM layers cecceeceeeeeeeeeeeees 17 Pewee da DTTO 6 a deeeeeenete Me reenter rene erent tne ete cer tre 18 BAC gare bo D NON ES EE nets ee tne nt eee ere eet ttt een eer te 18 Figure 16 Deletion of IAVENS seus inascscxccaceenasnsnaacnaacudiocsnmaceersesaansaseunasasauunpuensansaaesiabaanuuaeeusesanwuanes 19 etre Vera ala Eer ALON E E 19 Feure Te VIEW parameters Setting S ad enera EE EENES 20 Heure 19 View parameter SUNG Sunara aa eee a a a tou 20 Figure 20 VIEW parameter setting examples sans canaes sans esta annees arr 22 Figure 21 Layers before harmonization of view parameters of DTMs 23 Figure 22 Applying view parameters to a group of DTMs 23 Figure 23 Harmonized view of a high resolution DTM overlying a lower resolution DTM 24 Figure 24 Display of coordinates and elevation at mouse location 24 Figure 25 Information retrieval related to sourc
17. e dataset at each cell of DTM 25 Figure 26 Example of source dataset metadata display using the url link to the Common Data RAA net ey tet ene eters ere enter tee ee eee eee eer eer ee ener 26 Figure27 Adding a custom layer WMS ae anna adecco au 27 Figtire 28 DoE WO tO Ol NS a es a os 27 Figure 29 Entering a Web map sServer address nsanra a 29 Figure 30 Selection of the layers in the list of the given Web Map Server ccsecceeceeeeeeeees 29 F ES TENNIS CSD a re 30 Figure 32 DTM opacity setting to view the underlying WMS layer 30 Figure 33a Short cuts RAR AEE E EE EEEN 31 Figure 336 Goto coordinates TOO andre aE E EER 31 Figure 34 Earth appears OR 32 Figure 354 Preferences M a SS 33 Figure 35b Preferences dialogue box sis 33 Figure 35c Preference to Work offline sise 34 Fle US 36 RHOES SOW GIS a E EA AAE AE 35 BUS 7 FEV ONPE e a E AAE A AEA A 36 GS_WP11_D11 5B_GEO SEAS_3DViewer_v124_End user_Manual_v8_ hmg 06 02 2013 14 53 38 LP Status FINAL Version 7 Annex C Terminology Common Data Index common Geo Seas SeaDataNet catalogue of observation datasets http www geo seas eu content content asp menu 0020000 000000 http www seadatanet org Metadata EDMO Frequent Asked Questions Generic Mapping Tools http gmt soest hawaii edu National Agriculture Imagery Program NetCDF Network Common Data Form set of software libraries and O
18. ean data sets acquired and managed by European organisations Go to http www geoseas eu All data are also available through the pan European SeaDataNet portal http www seadatanet org WHAT Data set name 8458 Discipline Marine geology Terrestrial Category Gravity magnetics and bathymetry Terrestrial Variables measured Bathymetry and Elevation Abstract SOUND VP 1500m s Data format Climate and Forecast NetCDF Version 99 Data size 0 1 Data set creation date 20051115 WHERE Map GML id GML objects curve n 1 from multicurve 8458 curve n 2 from multicurve 8458 curve n 3 from multicurve 8458 curve n 4 from multicurve 8458 curve n 5 from multicurve 8458 curve n 6 from multicurve 8458 curve n 7 from multicurve 8458 curve n 8 from multicurve 8458 curve n 9 from multicurve 8458 curve n 10 from multicurve 8458 curve n 11 from multicurve 8458 Datum unknown Measuring area type curve Water depth m 9999 Month roforonnao coo lorrol Figure 26 Example of source dataset metadata display using the url link to the Common Data Index catalogue If a cell contains bathymetric data derived from a bathymetric product the metadata of the bathymetric product is displayed using the link to the appropriate catalogue Figure 26 If a cell contains interpolated values without having survey or bathymetric product data no CDI is displayed Click the icon again with the left mouse button to stop searching for metadat
19. ier further details can be found on the following Nasa website http earthobservatory nasa gov Features BlueMarble BlueMarble_histor y php e i Cubed Lansat 15m Landsat images of the Earth which benefits from i3 algorithms gives better resolution than Blue Marble only visible when fully zoomed into 50km e htto worldwindcentral com wiki Landsat GS_WP11_D11 5B_GEO SEAS 3DViewer vi24 End user_Manual_v8_hmg 06 02 2013 14 53 9 LP Status FINAL Version 7 e United States Department of Agriculture NAIP images only visible when zoomed into 20km and is only visible over the United States as US Geological Survey topographic maps e MS Virtual Earth aerial Microsoft has allowed World Wind to incorporate Virtual Earth high resolution data for non commercial purposes This uses DigitalGlobe very high resolution world imagery derived from satellite and aerial imagery and is only visible when zoomed into 50km Note it can be slow to display http www microsoft com maps File View Options Help CS Layer Explorer Sky Gradient NASA Blue Marble Image Blue Marble WMS 2004 i cubed Landsat USDA NAIP USDA NAIP USGS MS Virtual Earth Aerial USGS Topographic Maps 1 250K USGS Topographic Maps 1 100K USGS Topographic Maps 1 24K USGS Urban Area Ortho Political Boundaries Place Names World Map Scale Bar Terrain Profile Lat Lon Graticule v W W v v W WI W W WI W W v W W W v Com
20. igure 12 Polygon opacity setting To delete a polygon select it with the rightmost button of the mouse select rdeletedin the menu 2 2 4 Projecto layers When opening a DIM file the NWW library processes it by tiling and creating a multi resolution pyramid in data cache folders of NWW Two types of cached files are created One for terrain elevation and depth layers layer name DTM file name_elevation One for the rendering effects layer colour scale shading etc of the image which is draped over DTM data layer name DTM file named To store DTM layers the user must create a fproject folder using the fFileOmenu Figure 13 The folder can contain layers of one or more DTMSs It is recommended to load DTMs in the same folder if the same rendering effects are to be applied GS _WP11 D11 5B_ GEO SEAS 3DViewer vi24 End user Manual_v8_hmg 06 02 2013 14 53 Status FINAL Version 7 New project Creates a new project Project name User_project_namel Responsible name Ship name Comments Cancel Figure 13 Creation of a folder for the management of the DTM layers e Loading a DTM Each DIM contains depth mandatory and various ancillary data such as statistics or Geo Seas SeaDataNet source dataset identifiers associated with Latitude Longitude coordinates in WGS84 At present only DTM data files in the NetCDF transport format specified and adopted by the Eur
21. n layer and activate the option Missing data interpolationo Figure 37 R Layer Explorer a m Background Shape a J Geo Seas J TL westmed_2012_cdicorrige_v2_elevation p 71 westmed_2012_cdicorrige_v2 Parameters View Elevation Panel Missing data interpolation Figure 40 Elevation panel 3 1 1 4 Custom layers do not respond When the custom layer tries to connect to a WMS server this process initiates by pulling meta information for the layer to be visualised Sometimes an error message may appear in one of the following situations Geo Seas 3DViewer is disconnected please verify that File gt Work offline is not activated user entered wrong WMS address WMS server is not available check this by attempting to ping it 3 1 1 5 Application crash Very few random crashes of the 3D viewer application have been reported If this does occur then you may not be able to simply close out of the application You will need to exit the application as follows Use the task manager to kill the java exe process associated with the GeoSeas 3D viewer The viewer can now be re launched Please report the case to the help desk 3 1 2 Help desk In case of anomalies please send an email to globe assistance ifremer fr For further information on Geo Seas DTM and format contact Geo Seas htip www geo seas eu GS_WP11_D11 5B_GEO SEAS 3DViewer vi24 End user_Manual_v8_hmg 06 02 2013 14 53 36 Status F
22. on 7 Common Data Index CDI this applies only in the case of multilayer DTMs produced in accordance with the DTM amp produced using the standard Geo Seas and Emodnet hydrography convention the metadata for the source dataset used to compute the depth represented in each cell can be retrieved from the Geo Seas SeaDataNet Common Data Index identifier layer of the DIM Select the icon pee in the toolbar Click within the DTM to retrieve information on the bathymetric source dataset using the left mouse button Figure 25 CDI message SDN CDI LOCAL 486_8458 EDMO CODE 486 LOCAL CDI ID 8458 Link Geo Seas Figure 25 Information retrieval related to source dataset at each cell of DTM LOCAL CDI ID gives the local dataset identifier of the bathymetric dataset described in the Common Data Index catalogue for further information go to hittp www geo seas eu content content asp menu 0020000 000000 EDMO_CODE identifies the data provider described in the European Directory of Marine Organisations http www seadatanet org Metadata EDMO Link gives access to the metadata of the source dataset processed to compute the Depth value GS_WP11_D11 5B_GEO SEAS 3DViewer vi24 End user Manual_v8_hmg 06 02 2013 14 53 25 Status FINAL Version 7 The selected data set is described below with metadata Access to the data set itself can be requested via the GEO Seas portal that gives an overview and access to marine and oc
23. ons Help Figure 21 Layers before harmonization of view parameters of DTMs In order for layers to be harmonized it is necessary to put all the required layers in the same rojectofolder Select the layer the parameters of which you want to apply then modify the rendering parameters as desired Select Apply to all bathymetry layers to activate the option Figure 22 Figure 22 Applying view parameters to a group of DTMs To modify these set parameters first deactivate the option then reset the parameters and reactivate the option Figure 23 GS_WP11_D11 5B_GEO SEAS 3DViewer vi24 End user_Manual_v8_hmg 06 02 2013 14 53 23 Status FINAL Version 7 a 3D Viewer File View Options Help Figure 23 Harmonized view of a high resolution DTM overlying a lower resolution DTM Information retrieval and display Depth depth or elevation of the DIM is displayed for each position of the mouse together at the bottom of the screen If the user DTM is not activated the viewer displays the value of the NWW Earth terrain model Figure 24 Coordinates geographical coordinates are displayed for the current cursor position at the bottom of the screen Figure 24 Altitude 424km Lat 43 4233 Lon 7 4092 Elev 1 913 42 meters Figure 24 Display of coordinates and elevation at mouse location GS_WP11_D11 5B_GEO SEAS 3DViewer vi24 End user Manual_v8_hmg 06 02 2013 14 53 24 LP Status FINAL Versi
24. opean Geo Seas infrastructure htip www geo seas eu can be viewed using the viewer main agreed file name extensions are ancQ dtm dem grd grid Amnta Ngrigagrilled To load a DTM the user must select the target fproject folder name by highlighting that folder name left click mouse and then open the DTM file using the rFileOmenu File gt gt Open Figure 14 3D Viewer View Options Help EX New project ke Save session Change session Import Export Take a screenshot Add custom layer Quit GS_WP11_D11 5B_GEO SEAS 3DViewer vi24 End user Manual_v8_hmg 06 02 2013 14 53 17 ky D 4 Status FINAL Version 7 TT 2 Ouvrir es gt o E GOG Ji GLOBE Demo_SSC 3DViewer gt v Rechercher dans Demo_SSC P Organiser v Nouveau dossier BE Bureau Nom Modifi le i Emplacements r cents d PPT T l chargements ssc 7 9 2012 11 21 AM Jossier de fichiers 12 8 2010 12 53 PM ssier de fichiers bb SSc3DV 6 29 2012 12 16 PM Dossier de fichiers aw Biblioth ques wae Videos 12 9 2010 6 09 PM Dossier de fichiers Documents t Images x Musique E Vid os jE Ordinateur amp 0s c a Nom du fichier recette Figure 14 DTM loading The DIM layers are directly visible in the browser and automatically zoomed into when layer loaded Figure 15 a 3D Viewer File View Options Help Layer Explo
25. pass Shape 4 X X k J k ou Figure 3 Background layers Political boundaries yellow countries borders note these are not definitively accurate Place names adds place names to the globe over the feature it is labelling Continents are in white capital letters oceans are in white letters countries are in white letters bodies of water other than oceans are blue letters physical features mountains deserts etc are labelled with orange letters cities are labelled with yellow letters As you zoom in more features are labelled Other layers in addition several tools can be displayed as background layers to better locate the user in space and to assess the elevation or depth GS_WP11_D11 5B_GEO SEAS 3DViewer vi24 End user Manual_v8_hmg 06 02 2013 14 53 10 Status FINAL Version 7 e World Map small map seen in the upper left corner of the globe display with a cross indicating the location the Earth where you click and zoom in e Scale bar in the bottom right corner of the globe display shows the scale at the current level of zoom e Compass displays a compass in the upper right corner with a red arrow heading north e Lat Lon graticule network of parallels of latitude and meridians of longitude overlaid on the globe s surface using the Military Grid Reference System MGRS to show location in geographic coordinates e Terrain Profile Figure 4 displayed in the lower right corne
26. presentation based on user requirements It enables prototype DTM products to be interactively viewed and manipulated and demonstrates how a complex reusable DTM can be assembled from multiple source data sets of varying resolution It also serves to demonstrate the potential advantages inherent in the Geo Seas distributed infrastructure that support and enable such DTM and viewing services for a variety of data analysis and evaluation purposes GS_WP11_D11 5B_GEO SEAS 3DViewer_v124 End user Manual_v8_hmg 06 02 2013 14 53 3 Status FINAL Version 7 Content O RR TA a a ace 5 1 1 ME ee eee ee ee ee ee ee eee ee ee ee 1 2 License and COMO 0 eerscsssca n a E E EE O E 7 2 1 General COMMONS poisses a AEE EES 2 lel MOUS COMM M aeea E E E O AAA 7 7228 2 MON PERRET 7 2 2 FONCIONS eee eee ee eee Dial IAVET CX DION OT RER sane sane aeoe eee auonanens 8 2 2 2 Background Earth image Layers ss 9 Cie ANU WAG oo 9 2 2 2 2 Earth terrain layer 11 PS 1 RS 81216 Fo 1c ko ER eee 14 224 LG 276 0 2 RP 16 220 CUSIOMLAyerS WNS SNS mn 27 2 2 6 Other functions and short cuts 00 0 eee ceececccceeeeessssteeeeeeeeessessstseeeeeeeeeseeeeaas 31 SCs tis Bac 56 8 CR ee eee ee eee 32 se TFA 0 een en 32 RM ER ee here eee 32 3 1 1 2 Data layer is invisible and a hole appears instead 0cccceeeeeees 34 DS FOES AO ee 34 3 1 1 4 Custom layers do not respond 36 EES AD 16h AS nn 36 O
27. que image de la France au 1 250000 Carte geologique image de la France au million Carte lithologique simplifiee au 1 1 000 000 Shading v Log Shade 1 Figure 29 Entering a Web map server address Step 2 select the layers you want to add note that the time to access the list of available layers depends on various factors independent of the viewer software and can require a little patience Figure 30 jicomige ele V westmed_2012_cdicorrige_v2 Contrast Panel Contrast Bathymetry m Invert Shading Y Shading vi Log Shade Figure 30 Selection of the layers in the list of the given Web Map Server GS_WP11_D11 5B_GEO SEAS 3DViewer vi24 End user Manual_v8_hmg 06 02 2013 14 53 29 Status FINAL Version 7 130 Vener SO File View Options Help Figure 31 WMS display Step 3 select the DTM layer to make it transparent to view the underlying WMS Figure 32 1 3D Viewer ne F ile View Options Help I Background 7 1 EMODNET hydrography surveys V ITL westmed_2012_cdicorrige_v2_elevation V westmed_2012_cdicorige_v Figure 32 DTM opacity setting to view the underlying WMS layer Other examples of WMS are available Note If an error message occurs warning about WMS connection then you need to check that you have used the correct input options in Menu Options gt Preferences GS _WP11 D11 5B_ GEO SEAS 3DViewer vi24 End user Manual_v8_hmg 0
28. r fleet acous_sism sonarscope SSC3D html which is primarily aimed at displaying DIM and water column data such as bubbles and other features detected by SonarScope algorithms 1 The 3D viewer is a freeware module maintained as a component of the Global Oceanographic Bathymetry Explorer GLOBE software of lfremer http flotte ifremer fr fleet Presentation of the fleet On board software GS _WP11_D11 5B GEO SEAS 3DViewer vi24 End user Manual_v8_hmg 06 02 2013 14 53 5 Status FINAL Version 7 The following key features should be noted DTM elevations are fully resolved and correctly rendered in contrast with e g an export from Google Earth public version which simply consists of an image file draped over the softwareG inherent DTM Vertical exaggeration can be adjusted up to a maximum of 20 times which is normally sufficient for most sea floor representations variety of georeferenced scientific data theme types oceanography geology etc that can be downloaded from WMS server are viewable The Geo Seas 3D viewer has been specifically designed to allow quick and easy 3D viewing of DTMs distributed in the NetCDF transport format that has been specified and adopted by the European Geo Seas infrastructure htip www geo seas eu The viewer also enables users to take advantage of the data source layer of DIM that have been generated using the Geo Seas procedure which provides access to the metadata of the source d
29. r is the terrain profile graph of the visible elevation layer along a yellow line The line is located in the middle of the view unless the line is specified by the operator using the fMeasureo tool of the tools panel 2130 Viewer i A mm File View Options Help Layer Explorer MS Virtual Earth Aerial USGS Topographic Maps 1 250K USGS Topographic Maps 1 100K USGS Topographic Maps 1 24K Altitude 7752km pwa l ae Mn TT 1731 7 vw o I j i pe 23 10 2012 Figure 4 Terrain profile layer 2 2 2 2 Earth terrain layer Elevation data of the global DTM have been collected by the NASAs Shuttle Topography Mission SRTM the National Elevation Dataset NED and the Advanced Spaceborne Thermal Emission and Reflection Radiometer ASTER WW uses SRTM 30 Plus for the bathymetry of oceans and seas which includes a combination of soundings and altimetric data at 30 Arc Seconds resolution approximately 1km 3 http dx doi org 10 1080 01490410903297766 To modify the view parameters of this layer and use the associated tools click on foackground The view parameters window will open below the layer explorer GS _WP11 D11 5B_ GEO SEAS 3DViewer vi24 End user Manual_v8_hmg 06 02 2013 14 53 11 Status FINAL Version 7 e Vertical exaggeration The Geo Seas 3DViewer enables a user to apply vertical exaggeration to the terrain layers Figure 5 The vertical exaggeration is common to both the WW global and
30. rer H Background a ape IVA User_project_name 1 VITE westmed_2012 cd fi 7 1 westmed_2012 cdic Altitude 2473 km Lat 35 9355 Lon 4 3710 Elev 830 61 meters Figure 15 DTM layers display The user can rapidly access a layer that has been loaded by right clicking on tt GS_WP11_D11 5B_GEO SEAS 3DViewer vi24 End user Manual_v8_hmg 06 02 2013 14 53 Status FINAL Version 7 The user can remove one or more layers from the browser by right clicking on the selected layer and selecting rdeletedo Figure 16 E 3D Viewer File View Options Help CS Layer Explorer W Background F Shape a VA test VITL MNT AVEC TROUS elevation W MNT AVECT Goto X Delete Infos Figure 16 Deletion of layers Terrain and rendering parameters Figure 18 Operations related to terrain data are applied to all the terrain layers present background and those added by the user while rendering effects are applied only to the layer selected by the user elevation icon layer files contain Terrain data To adjust Vertical Exaggeration select Background to access the Tools panel and use the cursor to change the vertical exaggeration Figure 17 File View Options Help Layer Explorer Geographic view 08m 2 62 H Background aa vor Figure 17 Vertical exaggeration setting GS _WP11_D11 5B GEO SEAS 3DViewer vi24 End user Manual_v8_hmg 06 02 2013 14 53 19 Status
31. rk offline 3 1 1 2 Data layer is invisible and a hole appears instead After loading a DIM layer the data should be visible In some cases a hole may appear This is an identified bug which is currently being addressed In some cases some computers may experience problems in processing cached data This can be temporarily resolved by navigating to the folder produced by your failing layer in the cache NWW folder Windows 7 C ProgramData WorldWindlnstalled tmp ProgramData is a hidden folder Windows XP C Documents and settings All Users Application Data WorldWind Earth WorldWindinstalled The folders involved should be completely erased following which the Geo Seas 3DViewer loading process should be repeated 3 1 1 3 Holes and walls Peaks and holes may sometimes appear Figure 36 especially when the DTM is full of non values It should be noted that it is an inherent feature of the viewer that where data are lacking in the DTM these are compensated for by the underlying NASA data sets Thus in some cases peaks and holes can become apparent where there are differences between the data from NASA and the user DTM GS_WP11_D11 5B_GEO SEAS 3DViewer_v124 End user Manual_v8_hmg 06 02 2013 14 53 34 Status FINAL Version 7 Figure 39 Holes and walls GS _WP11 D11 5B_ GEO SEAS 3DViewer vi24 End user Manual_v8_hmg 06 02 2013 14 53 39 Status FINAL Version 7 To reduce this effect select the elevatio
32. tes to the removal of extreme values in the range of 0 5 of Min Max depths in the cumulative histogram Filtering on a 1 quartile of the texture This approximately equates to removal of extreme values in the range of 1 of Min Max depths in the cumulative histogram applies the values of min and max sliders above between values in cursor Colour map select from list of available colour tables jet catherine gray Invert Reverse colour map selected Shading Interactive dynamic illumination shading The user can use the mouse to adjust the azimuth and elevation of sun Shading can be amplified using the cursor logarithmic scale Gradient Displays the gradient of the image in a gray colour map Available only if fShadingois selected Filter the image with various functions GS_WP11_D11 5B_GEO SEAS 3DViewer vi24 End user_Manual_v8_hmg 06 02 2013 14 53 21 Status FINAL Version 7 Colour Map Jet Colour Map Catherine Colour Map Figure 20 View parameter setting examples Apply for all bathymetry layers Rendering parameters are normally applied to selected DIM however this function enables a harmonized view of multiple DIMs using a common colour table Different colour rendering can occur when they are not harmonized Figure 21 GS_WP11_D11 5B_GEO SEAS 3DViewer vi24 End user Manual_v8_hmg 06 02 2013 14 53 22 Status FINAL Version 7 a 3DViewer SD a File View Opti
33. the user terrain models Vertical exaggeration can be applied up to twenty times which should suffice for most sea floor representations a 3D Viewer File View Options Help Layer Explorer D i LACRE SALES Political Boundaries Place Names World Map Scale Bar Terrain Profile Lat Lon Graticule Tools Panel Vertical Exaggeration Measure Length Direct Length I Activate All Vertical Tiles Skirts Altitude 480 km Lat 42 3197 Lon 7 4589 Elev 2 762 86 meters Figure 5 Vertical exaggeration setting e Distance measurement tool The measurement tool can be used to retrieve the distance between two points on the spheroid This tool is activated once you have checked the corresponding check box Figure 6 Measure Measure es a Export Profile V Measure Measure Import Profile Import Profile Length na Length na Direct Length na Direct Length na Use P key left click to add new measure points Figure 6 Activation of the distance measurement tool right not activated left activated The user can point to profiles by clicking simultaneously on P key and clicking in the Main Panel Geographic View The pointer then changes to a cross and user can left click points anywhere on the globe When P is released the user can change the position of one point of the path by left clicking on it and drawing it to a new position The same can be achieved with Alt pressed which will result in
34. the mouse then select rdeletedin the menu To change the shape of the marker select it with the rightmost button of the mouse then select redita To access all properties of the markers shape size color select the fmarkers layer in the layer explorer then use the cursors to modify the values in the parameters window I the creation of polygons in the Markers Shape layer of the rshapeofolder Select the button Figure 10 move the mouse to the desired position and click the leftmost button of the mouse to create a point Click the leftmost button as many times you need to create points to define the polygon To close the area click twice the leftmost button when creating the last point Figure 10 Polygon editing To display the area of the polygon click twice on the polygon Figure 11 3D Viewer File View Options Help Zone 3 34238 75 km GS_WP11_D11 5B_GEO SEAS 3DViewer vi24 End user Manual_v8_hmg 06 02 2013 14 53 15 Geo Seas Status FINAL Version 7 Figure 11 Polygon area measurement To modify the position of the points of the polygon select it with the rightmost button of the mouse select fedit in the menu then move the points to their new location using the leftmost button Close the area To modify the opacity of the polygonsselect the layer in the layer explorer panel then use the cursor modify the value in the parameters window Figure 12 3D Viewer F
35. y saved by the user Import Open files created in the shape folder see next chapter Export Export files created in the shape folder see next chapter Take a screenshot Saves a screenshot of your current World Wind view Add WMS layer Add a layer selected from a Web Map Server WMS Quit 1 Exits World Wind View Reset View Returns World Wind to a direct overhead view Go Toi Centers the view on a given point in longitude latitude coordinates Options Preferences Configuration of the connection work offline or on line proxy etc Help User manual Geo Seas 3D Viewer user manual About Helpdesk and license information 2 2 Functions 2 2 1 Layer explorer Geo Seas 3DViewer displays data as layers draped over a 3D globe and provides a user friendly way to manage these The layer explorer top left panel of Viewer enables users to manage these layers through a tree structure Layers are assigned to different folders according to their usage There are two permanent folders Background Shape The rBackgroundo folder is designed for the management of default Earth images and layers of World Wind WW basic functions GS_WP11_D11 5B_GEO SEAS 3DViewer vi24 End user_Manual_v8_hmg 06 02 2013 14 53 8 Status FINAL Version 7 The f6hapedis designed for exporting importing features created by the user by means of the viewerG functions or tools Other folders that can be created by the user are
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