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</head><body><p>Hi Mike,</p><p>it´s simple:</p><p>- Download hgt files )*</p><p>- give mkgmap the option x-dem=path to the hgt files</p><p>- x-dem-dists=3314,4000,6000,8000,10000,15000 (maybe other values are better)</p><p>1 value for each level (options file: exampel levels = 0:24, 1:23, 2:22, 3:21, 4:20, 5:19)<br></p><p>- x-overview-dem-dist=888888 writes DEM to the overviewmap (maybe other value is better)</p><p>- x-dem-poly=path to a poly file for example areas.poly from splitter result. </p><p>That´s all.</p><p>)* hgt files are downloadable here: <a href="http://www.viewfinderpanoramas.org/dem3.html">http://www.viewfinderpanoramas.org/dem3.html</a></p><p>I use phyghtmap to create SRTM contourlines as .pbf. the program download hgt files from viewfinderpanoramas to build the pbfs. After that you find a folder hgt on your pc with hgt files inside.</p><p><a href="http://katze.tfiu.de/projects/phyghtmap/">http://katze.tfiu.de/projects/phyghtmap/</a></p><p><br></p><p>Greetings</p><p>Arndt</p><p><br></p><p>Mike Baggaley hat am 5. Januar 2018 um 21:19 geschrieben:<br><br><br>Hi all,<br><br>I've been following the discussions of DEM with interest, but have so far<br>not attempted to create a map including this. Is there a guide to the steps<br>involved in producing the DEM data? I have contour data in OSM format - is<br>there a simple way to get this into a suitable input format (or is there a<br>specification of the input format available, so I can knock up something to<br>convert it)? I'm assuming that the height data contains the same information<br>as contour data but in a different format.<br><br>Thanks,<br>Mike<br><br>_______________________________________________<br>mkgmap-dev mailing list<br><a href="mailto:mkgmap-dev@lists.mkgmap">mkgmap-dev@lists.mkgmap</a>.org.uk<br><a href="http://www.mkgmap.org.uk/mailman/listinfo/mkgmap-dev" rel="noopener noreferrer" target="_blank">http://www.mkgmap.org.uk/mailman/listinfo/mkgmap-dev</a></p></body></html>