![]() ![]() Must have a '.dem' extension, whereas GeoTIFF files from 3DEM must have a '.tif' extension. Select the files that you downloaded by clicking the 'Select DEM Files' button. ![]() Select 'continue', and you should see the You should see an IDL splash screen if the program loads properly. var file, and select cancel when DEM2TOPO asksĪlternatively, if you downloaded the RT version, you can start DEM2TOPO by running the dem2topo.exe file. If you want to revert to theĭefault settings, just delete the. If you have installed the IDL Virtual Machine, you can start DEM2TOPO by double-clicking the dem2topo.sav file. Note that the Datum is NAD83 for Canadian maps. CDED files that are compatible with DEM2TOPO are available from GeoGratis.gc.ca, The steps in this process are outlined below:ĭEM2TOPO reads CDED Canadian digital elevation files directly, or GEOTiff files coverted from other sources. img files can then be uploaded to a GPS with SendMap (included in the cGPSMapper mp file or import the ESRI shapes into a program such as GPSMapEdit. ![]() In order to upload the contour vectors to a Import ESRI files to GPSMapEdit or EquivalentĬreate an OziExplorer Map or a Printed MapĭEM2TOPO generates elevation contours from CDED or GeoTIFF (written by 3DEM)ĭata, and writes them to an ESRI shapefile or Polish Format. ![]()
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