[mkgmap-dev] remove splitter option align-for-dem again or change mkgmap?From Gerd Petermann gpetermann_muenchen at hotmail.com on Fri Jan 26 09:22:57 GMT 2018
Hi all, sorry, seems I forget what I already found before: there is probably no way to avoid interpolation, so I think it is better to remove the option from splitter again. Gerd ________________________________________ Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von Gerd Petermann <GPetermann_muenchen at hotmail.com> Gesendet: Freitag, 26. Januar 2018 08:16 An: mkgmap-dev at lists.mkgmap.org.uk Betreff: [mkgmap-dev] remove splitter option align-for-dem again or change mkgmap? Hi all, with current code in mkgmap this option is of no use, as mkgmap rounds the dem-dist values (down) to multiples of 16. (9942 -> 9936 , 3314 ->3312) This means that points are always interpolated, no matter where the tile boundaries are. So, I see two possibilites: 1) remove the option from splitter (it is not yet documented anyway) 2) change the code in mkgmap to allow using the exact dem-dist values without rounding I think this works fine with MapSource and Basecamp, but maybe some devices will not be able to handle that, as Garmin maps always use the rounded values. A possible benefit of the exact values is that we may be able to avoid interpolation, at least in some areas of the world. What do you think? Gerd _______________________________________________ mkgmap-dev mailing list mkgmap-dev at lists.mkgmap.org.uk http://www.mkgmap.org.uk/mailman/listinfo/mkgmap-dev
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