Hi Gerd, So far I understand you have implemented already cutting the DEM to the map area and just looking for another way to have some larger area for DEM data? I don't see a use case for that. Probably the reason why I first didn't realised the beginning of your svn comment. Henning
On 28 Dec 2017, 11:01, at 11:01, Gerd Petermann <gpetermann_muenc...@hotmail.com> wrote: >Hi all, > >see the log message >http://www.mkgmap.org.uk/websvn/revision.php?repname=mkgmap&rev=4022 >for details about the changes. > >I've also experimented with code to read a *.poly file and use that to >define an area for which mkgmap should >not calculate DEM data but was not happy with the results so far. Maybe >I'll try again. > >Henning has pointed me to an error: >It seems that mkgmap (and probably also BuildDEMFile) somtimes create >invalid DEM data >for areas where the hgt files contain large holes, esp. when resolution >is low (high dem-dist value). >See e.g. http://files.mkgmap.org.uk/download/377/holes.jpg >I try to find out more now. > > >Gerd >_______________________________________________ >mkgmap-dev mailing list >mkgmap-dev@lists.mkgmap.org.uk >http://www.mkgmap.org.uk/mailman/listinfo/mkgmap-dev
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