Mapping Mate User's guide - Edouard's home page
Contents
1. Edouard Greiffiths dms grades Latitude p CI Longitude o p pee Latitude grades Longitude grades 2 5969213 e Dms grades xy in addition you can enter the X Y coordinates from the map It usually refers a kilometric grid like UTM or Lambert e X the X value Easting expressed as a distance Distance dialog e Y the Y value Northing expressed as a distance Distance dialog 3 2 Overview of the main panel The User Interface of the application is using several panels accessible through tabs at the top of the About see 3 3 About Panel Setup see 3 4 Setup panel Datums see 3 5 Datum manipulation Transforms see 3 6 Coordinates transforms Navigation see 3 7 Navigation The File menu item is used only to exit the application using the Exit option 3 3 About Panel General information on the application and its present version Please note that you may be unable to display this panel with JRE versions earlier than 1 3 unless you grant special security rights see 2 8 Security considerations when running the applet version It is strongly recommended to use JRE 1 3 instead anyhow 3 4 Setup panel Used for general configuration At present it is used to specify the URL of the remote models directory This is the address where Ellipsoid Projection and Datum models can be found Currently this is hosted on the author s website at http egreiffiths free fr mmate models yo2. easting and northing A few predefined ellipsoids and projections ate given in the models directory e Ellipsoids e WGS 1984 e Europe 1950 e New Triangulation of France e Projections e UTM 32 North e Lambert IGN zone 3 France The combination of an ellispoidal model of the Earth and a projection constitutes a datum and fully qualifies a map The map editor should specify these or make reference to the datum if it is well known A few predefined datums are available e WGS 1984 for UTM zone 32 North e French Lambert zone 3 More models may be added in the future with no mention in this documentation a separate specific document may be added in the distribution 2 7 Overview of functions available 2 1 Datum manipulation Clicking on the Datums tab brings up a panel where you can specify the ellipsoidal model to be used for Earth representation and the Projection used for mapping The combination of the two constitutes a Datum that can be bundled and manipulated as a single entity In the application version you can load and save Ellipsoidal models Projections and Datums For the applet version it is necessary to allow the codebase of the applet to read or write files on your disk and operate the File Chooser see 2 8 Security considerations when running the applet version for detailed explanations From this panel you can select the primary and secondary datums that are used throughout the application It i
3. this selects the UTM zone 32 for the Northern hemisphere projection using the WGS84 ellipsoid Alternatively if you use the applet version from the Internet you can use the remote load button on the right a dialog opens select WGS84_UTM32_N mdd also Set this datum as primary by clicking on the Set as primary button Do the same sequence of operations as described in 2 or 3 to select FrenchLambert_Z3 mdd this selects the French Lambert projection for zone II using the NTF ellipsoid Set this datum as secondary by clicking on the Set as secondary button 4 2 Coordinate transforms 1 a Select the Transforms tab the Transforms panel is brought up see paragraph 3 6 3 Display for an explanation of the panel Select the xy coordinates system for point in primary datum Enter X 375000 m and Y 4879000 m Click on the right arrow it should display X 1008609 66 m and Y 3207499 67 m in the secondary system which corresponds to 44d 3 12 579 of North latitude and 7d 26 23 883 of East longitude Click on the left arrow to do the transform back the primary coordinates now display X 374999 98 m and Y 4878999 98 m Latitude now shows 44d 3 12 639 North and longitude 7d 26 22 187 East 4 3 Navigation L Za Select the Navigation tab the Navigation panel is brought up see paragraph 3 7 3 Display for an explanation of the panel Select primary datum WGS84 UTM 32 N as the datum used 4 3 1 Destinatio
4. a a e O E A 9 3 1 OVERVIEW OF THE DIALOG ITEMS USED uinnarisina ida distin 9 A O IE 9 A O ee ee ee eee 9 IAS LAUMA EIG OTT CCS RP en iron ato aya oe ca at da reseed ae ca ta bene at ease tence ae eee 9 Sel Ax LOULO TOC OLE art dace R ee ea eel ae Ga aa EO 9 3 1 5 Latitude and longitude in grades A Sed ails da aa nea RE 10 AOS HO COTO A dd its 10 Sede Geographical point didlO A nace n EA ka ec td Nie ceil 10 Ze OVERVIEW OF CEE MAIN PAINE Gas outed incised beni Manassas ii 1 Sr ADO Bl og Ua 5 datada oras 1 see O 1 Fo CIMA IN EP ILA ION atleta al atado onda 12 As A A here ohh EZ SI Y ALA LARA A re eB eS ad le 13 3 0 COORDINATES TRANSFORM Serine lidia 15 SO liz tl IOS A A o O sn acuta atest ad ath T vba Na nautica 15 DO FC CON GIONS Si dd dl lero ds I3 A AEA N EEA EE 15 SS NAVIGATION isidi a a ba Meise and a aa anaa dla 15 Ia E INS A A IN a a O A ad mea ciceds 3 O Y 1 IDO lad alesse a e O E Das 16 A A AS 16 AEXAMPLES OPF USE ias 17 A SEC DAU MS aa leas 17 42 COORDINATE TRANSFORMS atasca 17 AS NAVIGA TON OS 17 4 3 1 Destination point knowing the start point and the distance bearing oonnnnninnnnnnnnnnicinnnnnnnns 17 4 3 2 Bearing distance knowing the start and destination pO lMt occccninnnnnnnnnnnnnnnnnnnananananann nono nos 17 Mapping Mate User s guide Edouard Greiffiths 1 Summary of changes 19 june 00 1 4 12 10 july 00 Added new features Added licencse and disclaimer information 14 july 00 Corrected mi
5. projection type WGS84 UTM Zone 32 North Projection models Transverse Mercator v Set the current datum as primdry datum Set as primary none selected _ Name of the selected datums Set the current datum as secondary datum Set as secondary none selected Datum Projection Projection dialog detailed later UTM Zone 32 N EN Semi small axis b Equator scale llipsoid 0096 Name of the ellipsoid World Geodetic Survey 1984 Sa Semi grand axis Semi small axis g 0 0 0 E Semi grand axis a 6378137 0 m 6356752 314245179 m ce 3 a gt Deg Min Sec Hem Eccentricity not editable Eccentricity Flattening l 4262149 1 ll 0033528106647474804 IA Flattening We 1 0 Enter display direct flattening of MN z False Easting Enter display inverse flattening Delta x Delta Y Delta Z 0 0 m 10 0 m 0 9 m 500000 0 m ad False Northing 2 gt 0 0 m Geocentric center shift vs WGS 84 along X Y and Z axis l e Name of the datum use this field to give your datum a distinctive name e Set projection type use this combo box to specify which kind of projection you are using this will bring up a different dialog for the projection e Save button use one of these buttons to save the current ellipsoid projection or datum e Load button use one of these
6. Hem Scale factor h 0 Name of the projection distinctive name of the projection Equator scale scale at the equator abstract decimal number Central meridian central meridian of the projection Longitude dialog Scale factor post processing correction of scale False easting post processing correction shifting East distance units False northing post processing correction shifting North distance units 3 5 2 2 Transverse Mercator Same as Mercator see 3 5 2 1 Mercator 3 5 2 3 Lambert Conic Conform with 2 parallels Projection French Lambert Zone 3 Mame of the projection 1st std J 2nd std fi Deg Min Sec i Sec Hem rojection center dms grades Latitude 44 6 oo H T 44 s oo N F False Easting Deg Min Sec Hem 600000 0 m Longitude False Northing fco00000 idm Latitude grades Longitude grades Name of the projection distinctive name of the projection 18 std First standard Parallel Latitude dialog 2d std Second standard Parallel Latitude dialog Projction center Geographical point dialog see 3 1 7 Geographical point dialogs 14 Mapping Mate User s guide Edouard Greiffiths e Scale factor post processing corrections same for all projections see 3 5 2 1 Mercator NOTE For projections with one standard parallel this one can be used specifying the same value for both parallels 3 6 Coordinates transforms 3 6 1 Purpose Take coordinates
7. Mapping Mate User s guide Edouard Greiffiths Mapping Mate User s guide Application User s guide Author Edouard Greiffiths BUTTE a AE Ses SOs Hi aed eee Sad MALT PRAT OPA Te pS LL air y SL version 1 4 release 3 MMate_User_1 4 doc Mapping Mate User s guide Edouard Greiffiths MAPPING VIA TE USE RES GUIDE 350 a a E ENa 1 APPLICATION USER SGU IDE A AA AAA A l LESUMMARY OFCHANGES aii ans 3 Ze INTRODUCTION ce a a a AE A EO EN 4 Z EC EIN S oaa a N E A EO E E EAEE E E O E OE 4 22 IMPORTANT DISCLAIMER Aa 4 Ds OSTE MREOUIREMEN T arios n a e e a 5 EET EE a E ETE A S A EA AT E E T EE A VE EE E E Ye 5 E AE NN IC A AE EA eas AA A A era A pene AE A EA E E AEA ae 5 2 4 INSTALLATION OF THE APPLICATION VERSION sssccccssececcssccceesecccesseccceneccceunececeeseceeeececeuneceeees 5 2 5 RUNNING THE APPLET VERSION OVER THE INTERNET c sssccccssecccesecceesccceesececeescceeeeecceeuecesees 5 20 GEODETIC S BASIC S emne a e a N 6 ZA OVER VIEW OF FUNCTIONS AVAILABLE ceisiai lib 6 A MAMPU NON sonei a eek ne a e a a aaa lela aieaaheta te 6 Df ses Coordinate TV OMS OVINS ronne it sheed elt etait whoa Miele elae aca wel cob veel e brava tas lrts 7 LA NOV OO ON iss cacti tied SO cashes a ld les a ee 7 2 8 SECURITY CONSIDERATIONS WHEN RUNNING THE APPLET VERSION ccccecceccescesceecceccescescescesees 7 2 9 FUTURE ENHANCEMENTS erie a a a a T 7 ZO CONTACT ITHE AUI HOR circ ads 8 IFANE LS
8. T S HAVE FUN Mapping Mate User s guide Edouard Greiffiths 2 3 System requirements 2 3 1 Hardware You will need a reasonibly powerful workstation Java is known to be a power hungry Mapping Mate which is a Java based application makes no exception It will run fine though on a now fairly low end Pentium MMX 200MHz with 128 Mo RAM the Author s machine Of course the more power the better it feels using it 2 3 2 Software You will need the most recent release of the Java Runtime Environment JRE with the Java Plug in If you want to run Mapping Mate as an applet from your browser At time of press this is version 1 3 Avoid older versions like 1 2 2 since among other problems it is known to have a serious security bug with the JEditorPane class that will prevent to display the about panel correctly It will throw a security exception instead It is still possible to work around the bug by allowing the requested security grant see Security considerations when running the applet version Mapping Mate has been tested on the Widnows 95 and Windows NT operating systems It should work on other systems with the same version of the Java Virtual Machine but this has not been verified 2 4 Installation of the application version Unzip the MMate_1 4_r2 zip distribution file on the target drive this could be d it will unzip in the MMate directory The archive contains Root directory Java security Example of security rule
9. and reverse bearing between two points or given one point calculates the position of the point that is reached following the given bearing for the given distance 15 Mapping Mate User s guide Edouard Greiffiths 3 2 Preconditions At least one datum must be defined and the datum selected primary or secondary must be defined If a datum is not defined an error message pops up 3 3 Display ES Mapping Mate v 1 4 A ES File a 2 SS primary WGS84 UTM Zone 32 North Name of the primary datum Select secondary datum Secondary French Lambert Zone 3 Name of the second ry datum Start point gt sr Get bearing distance Height Forward bearing distance A Height dms grades xy z Direct direction ri d 3750 0 v Latitude e a Latitude Y 135 lo 0 0 45 o o o N v a a 38 o 0 0 N Deg Sec Distance ee e nverse direction Min Sec Bearing dms T a T pas fo foo 7 Deg Min Sec Distance 57 q Mi m ww Backward bearing Get start point from end using bearing distance Get end point from start using bearing distance Get bearing distance from end to start point The yellow bordered top panel shows the names of the primary and secondary datums two toggle radio buttons on the lef
10. buttons to load an ellipsoid projection or datum as current e Remote load button use one of these buttons to load an ellipsoid projection or datum as current from the remote directory which URL is specified in the Setup panel e Set as primary sets the current datum as the primary datum used in the application e Set as secondary sets the current datum as the secondary datum used in the application Name of selected datums shows the names of the currently used datums will show none selected if none is selected Not ediatable Name of the ellipsoid distinctive name of the ellipsoid used in the current datum Semi grand axis semi small axis flattening you may use two out of the three to define your ellipsoid Eccentricity not editable for information only f 1 f toggle choose to edit display the flattening itself or its inverse Geocentric shift vs WGS 1984 Shift of the center of the ellipsoid in geocentric coordinates versus the center of the WGS 1984 ellipsoid Axis are determined as follows e Z axis the one joining both poles e X axis the one going from the center of the ellipsoid to the intersection point between the Greenwich meridian and the equator e Y axis the axis that makes X Y Z a cartesian system 3 5 2 Projection dialogs 3 5 2 1 Mercator 13 Mapping Mate User s guide Edouard Greiffiths rojection default Name of the projection Equator scale O central meridian gt poe Deg Min Sec
11. in the 0 180 range Minutes integer in the 0 60 range Seconds decimal in the 0 60 range Hemisphere E East of Greenwich meridian or W West of Greenwich maridian Mapping Mate User s guide Edouard Greiffiths Longitude pp po E atitude aralas anntude 1 3 1 5 Latitude and longitude in grades Expressed as signed decimal numbers in the range of 100 100 for latitudes and 200 200 for longitudes A positive value of latitude designates a North latitude and a positive value of longitude designates an East longitude Latitude grades Longitude grades 50 0 F 77777779 SS A SSE 3 1 6 Bearing Expressed in degrees minutes seconds from 0 to 360 not included degrees clockwise Degrees may take any integer value in the range 0 360 hss Jo jee 7 Deg Min Sec Bearing dms 3 1 7 Geographical point dialogs These are composite dialogs that use the basic dialogs described above First the standard one rojection center dms grades Latitude p we pm Longitude o p pee y Latitude grades Longitude grades 2 5969213 Dms grades toggle to enter position either in degrees minutes seconds and hemisphere or in grades Height height of the point above the ellipsoid of reference Latitude latitude of the point Longitude longitude of the point When dealing with points that are projected on a map the X Y coordinates are displayed 10 Mapping Mate User s guide
12. n point knowing the start point and the distance bearing 1 2 3 4 Select the xy coordinates system for point 1 Enter X 375000 m and Y 4879000 m Enter 45d 0 0 and 1414m for distance and bearing Press the right button with the right arrow to calculate coordinates of point 2 you should obtain X 376018 38 m and Y 4879980 5 m for point 2 backward bearing shows 235d 0 31 241 4 3 2 Bearing distance knowing the start and destination point eet i e a Select the xy coordinates system for point 1 Enter X 375000 m and Y 4879000 m Select the xy coordinates system for point 2 Enter X 376000 m and Y 4880000 m Press the top button with the right arrow to calculate bearing and distance between the two points You should obtain 43d 54 52 948 and 1414 51m for the forward bearing and 233d 55 23 601 with same distance for the backward bearing 17
13. ng of the theories and software I make no warranty of any kind expressed or implied with regard to this piece of software or to the information it contains I shall not be liable in any event for incidental or consequential damages in connection with or arising out of the furnishing performance or use of this software In any case this sofware MUST NOT BE USED for mission critical applications involving the general public health and safety Below are general warnings related to common sense 1 Use good judgement any navigation aid as good as it is does not replace the need for careful orienteering and good judgement Never rely solely on one source of information for navigating 2 Use care when using Mapping Mate in conjunction with a GPS Global Positioning System receiver you must be aware that GPS is operated by the U S Government which is solely responsible for its accuracy and maintenance The accuracy of position fixes can be affected by the periodic adjustments of the GPS sattelites made by the U S Governement and is subject to change in accordance with the Departement Of Defense civil GPS user policy and the Federal Radionavigation plan 3 Use caution when using Mapping Mate in conjunction with a GPS receiver be aware that accuracy can be affected by poor satellite geometry When the accuracy warnings appear on the screen of the receiver device use data with extreme caution That s all for the legal blah blah now LE
14. ocal compass deviation wind swell and current e Communication with the GPS unit through download upload files e Live communication with the GPS unit using NMEA protocol 2 10 Contact the author The Welsh flag mailto egreiffiths free fr Mapping Mate User s guide Edouard Greiffiths 3 Panels 3 1 Overview of the dialog items used The different parameters to be entered are using the same UI depending on their class An invalid value will result in the field turning red and the data being unavailable to the system It will revert to normal state when the correct value is typed in Following is a description of the dialogs encountered 3 1 1 Height Height altitude may be displayed entered in meters m or feet ft value is adjusted automatically when the display unit is changed 3 1 2 Distance Distance may be displayed entered in meters m feet ft yards yd kilometers km terrestrial miles mil or nautical miles nm value is adjusted automatically when the display unit is changed zp mmm EA Distance 6755000 0 Um Values are rounded to the first decimal digit regardless of the unit 3 1 3 Latitude in degrees Degrees integer in the 0 90 range Minutes integer in the 0 60 range Seconds decimal in the 0 60 range Hemisphere N North of equator or S South of equator 1 Latitude o h e w Longitude 3 1 4 Longitude in degrees Degrees integer
15. odifyThread n a Rules are set as follows in the order they appear above 1 You need to define a read access for all directories that are on the path of the final directory not including the final directory 2 You need to define a read write access for the final directory 3 You need to define a read write access for all files in the final directory and the possible directories below 4 You need to allow the modifyThread permission This is for the File Chooser to work Backslashes may be entered as since it is in fact the escape sequence that defines character This runtime permission is only necessary when running under JRE version 1 2 2 or earlier it is strongly recommended to upgrade to version 1 3 though Authorisation type Fee li See also the security txt file in the distribution The file java security in the distribution contains the rules to be added to the java security file for the Java environment 2 9 Future enhancements e Map calibration reintegrate and enhance v 1 3 function e Points paths routes database manipulated as a graph data structure Keep a database of your route preparations and recordings thus allowing to capitalize it for later use Visual edition with a calibrated map as a base e Magnetic deviation computation for both terrestrial and marine navigation Mapping Mate User s guide Edouard Greiffiths e Specific marine compass loch COG calculation with the effect of l
16. of a point in one datum and calculates its coordinates in another datum 3 6 2 Preconditions As coordinate transforms are made between the primary and secondary datums they must both be defined for the calculator to work A popup error message will be shown if any is missing 3 6 3 Display ES Mapping Mate v 1 4 A ES File Shows primary datum name Shows secondary datum name Primary WGS84 UTM Zone 32 North Point in the primary datum Secondary French Lambert Zone 3 a BD i to seconda Latitude 38 fo 0 0 0 N Deg Min Sec Pea Min Sec Longitude Longitude E e A oe Min f Min Latitude grades Longitude grades The top sub panel bordered in yellow shows the names of primary and secondary datums The left sub panel bordered in blue shows the coordinates of the point in the primary datum The right sub panel shows the coordinates of the same point in the secondary datum The top arrow button takes the coordinates of the point in the primary datum as specified in the left point panel and translates it in the secondary datum and shows it on the right panel The bottom arrow button takes the coordinates of the point in the secondary datum as specified in the right point panel and translates it in the primary datum and shows it on the left panel 3 7 Navigation 3 1 Purpose Calculate the distance bearing
17. s also possible to load models from the remote directory which URL is specified in the Setup panel see 3 4 Setup panel for more details Mapping Mate User s guide Edouard Greiffiths 2 2 Coordinate Transforms This calculator is brought up using the Transforms tab It is used to convert positions on the Earth surface given in one datum to the position in another datum 2 3 Navigation You can activate this calculator by clicking on the Navigation tab It is used to compute distance and bearing between two points and also to find a target point coordinates given the start point bearing and distance Both points are referenced by the same datum You can choose between the primary and secondary datum 2 8 Security considerations when running the applet version Following the Java security mechanism it is not possible for the applet to read or write files on your disk by default You have to explicitely allow read or write access to your files In order to do that you can use the policytool executable that can be found in the bin directory of your Java installation Follow the isntructions in the Java documentation to know how security works and how to operate the policytool Assuming http egreiffiths free fr mmate is the applet s codebase you will need to grant the following permissions File permissions Codebase to authorise is http egreiffiths free fr mmate D MMatel4 DAMA modas TEE D Ne NN a mee M
18. s to be added to the java policy file to run the applet version About_en html The about HTML text shown in the About panel for the English version About_fr html The about HTML text shown in the About panel for the French version disclaimer txt An important disclaimer license_gpl txt License text GPL MMate bat Batch file to launch MMate as an application edit 1t to suit your Java installation images directory contains images necessary to run the application mainly the button icons models directory contains the predefiend models of ellipsoids projections and datums source directory where the Java sources ate You can run the application by executing the MMate bat script file it may take a language argument e us US Enlish e gb British English e fr French By default US English is selected 2 5 Running the applet version over the Internet Following the links from the http eegreiffiths free fr mmate page leads you to the opening of the applet See 2 8 Security considerations when running the applet version paragraph for important security considerations when running as an applet Mapping Mate User s guide Edouard Greiffiths 2 6 Geodetics basics The reader is expected to have some background on geodetics to make an efficient use of the software However following is a brief explanation of the Geodetics notions used The Earth shape is approximated by the mathematical 3 dimensional figure of
19. stake in Chapter 4 Mapping Mate User s guide Edouard Greiffiths 2 Introduction Welcome to Mapping Mate Your companion for cartography and navigation The present version features two powerful calculators and a datum editor that lets you create your own datums specifying their fundamental parameters 2 1 License This program is placed under the GNU general public license which complete copy is attached in the file license_gpl txt in the distribution Below is a summary of terms Copyright 2000 Edouard Greiffiths This program is free software you can redistribute it and or modify it under the terms of the GNU General Public License as published by the Free Software Foundation either version 2 of the License or at your option any later version This program is distributed in the hope that it will be useful but WITHOUT ANY WARRANTY without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE See the GNU General Public License for more details You should have received a copy of the GNU General Public License along with this program if not write to the Free Software Foundation Inc 59 Temple Place Suite 330 Boston MA 02111 1307 USA 2 2 Important disclaimer Below is the disclaimer notice included in the file disclaimer txt included in the distribution I have made my best effort in preparing this software application These efforts include the development research and testi
20. t allow to select which of the two systems to use for the coordinates of points The blue bordered panels on the left and right shows the start and end point coordinates respectively In the middle the top red borded panel shows the bearing and distance from the start point to the end point the bottom red bordered panel shows the backward bearing and distance to travel back from the end point to the start point forward and backward distances are the same of course Arrow buttons in the middle allow to perform the calculations e the top button launches the calculation of bearing and distance from point 1 to point 2 and the backward bearing e the right button launches the calculation of the coordinates of the point 2 from the point 1 using the specified bearing and distance and the backward bearing e the bottom button launches the calculation of bearing and distance from point 2 to point 1 and the backward bearing e the left button launches the calculation of the coordinates of the point 1 from the point 2 using the specified bearing and distance and the backward bearing 16 Mapping Mate User s guide Edouard Greiffiths 4 Examples of use 4 1 Select datums L 2 Select the Datums tab the Datum panel is brought up see paragraph 3 5 1 Main panel for an explanation of the panel On the datum sub panel bordered in yellow click on the load folder image button a file dialog opens select WGS84_UTM32_N mdd file
21. the ellipsoid An ellipsoid is the surface described by an ellipse rotating around its small axis It is very important to know its characteristics to describe latitudes and longitudes correctly In Mapping Mate you can specify either the half great axis and the flattening or inverse flattening or the half great and half small axis In order to represent the Earth surface on a flat surface the surface of the paper that consitiutes map it is necessaty to operate a projection A projection is a mathematical function that associates uniquely a point on the Earth suface with a point on the map In mapping mate the final scaling that will allow the projected surface to be put on the smaller surface of the actual paper map is not considered Mapping Mate in its present version supports the 3 following projections 1 Mercator used for marine maps mainly 2 Transverse Mercator support for a widely used grid the UTM Universal Transverse Mercator 3 Lambert Conic Conformal with two parallels grids used in France and the United States For terrestrial maps the grid is the usual way to give a point s coordinates they are expressed in distance units Each point on the surface of the map is represented by two coordinates the easting X axis and the notthing Y axis Axis may not follow the North South or East West axis in fact they generally don t but the X axis is close to an East West axis and the Y axis close to a North South axis hence the names of
22. u can use this address The applet version will default automatically to the address currently in use which depends on the website where the applet is hosted original version will defaut to the address mentionned above 11 Mapping Mate User s guide Edouard Greiffiths ES Mapping Mate v 1 4 The panel presents a text area where you can enter the text of the URL lt enter gt validates If no URL is defined like In the present case it says Not specified Otherwise it would display the URL confirming what is defined or what has just been entered by the user When running the applet version a second panel is displayed where the path of the local models directory may be entered When running on Windows operating systems the backslash character must be entered as the sequence as shown in the example below You have to set up the appropriate security grants to be able to access this directory see 2 8 Security considerations when running the applet version for details ES Applet Viewer MMate MainApplet class llevE GIS MMate1 4 bin models ENGISUMMate1 4Mimodels 3 5 Datum manipulation 3 5 1 Main panel See the commented hardcopy of the panel below the projection bit varies according to the type and is described in 3 5 2 Projection dialogs 12 Mapping Mate User s guide Edouard Greiffiths ES Mapping Mate v 1 4 TAT File About Setup Datums Transforms Navigation Name of the datum Set
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