[mkgmap-dev] Resolution 23 raster problems

Fri Apr 23 14:31:17 BST 2021

Hi Felix,

what do you get when you disable the WrongAngleFixer? You can try to comment this line in StyledConverter:
wrongAngleFixer.optimizeWays(roads, lines, modifiedRoads, deletedRoads, restrictions, allPOI);

You should see worse results in res 24, maybe you see better results in res 23.

Gerd

________________________________________
Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von Felix Hartmann <extremecarver at gmail.com>
Gesendet: Freitag, 23. April 2021 12:01
An: Development list for mkgmap
Betreff: [mkgmap-dev] Resolution 23 raster problems

Any ideas why this is happening?
Some of the contourlines intersect each other at resolution 23 - I especially used reduce-point-density=1.0 to try to stop it.

java -jar -Xmx47000M /home/contourlines/mkgmap.jar --keep-going --dem-poly=/home/contourlines/bounds/bayern.poly --series-name=openmtbmap-cntrs-DBY-23-Apr-2021 --dem=/home/contourlines/hgt/VIEW1/,/home/contourlines/hgt/SRTM1v3.0,/home/contourlines/hgt/VIEW3/,/home/contourlines/hgt/SRTM3v3.0/ --dem-dists=5520 --max-jobs=7 --reduce-point-density=1 --transparent --style-file=srtm24 --latin1 95260000.osm.pbf

Is there any way to improve this?

Look at the screenshots - the small one is resolution 23, the big one 24. If using 10m interval contourlines this is pretty obviously not ideal. Resolution 24 could be nicer - but I guess this is more a problem of phyghtmap (while groundtruth can produce higher quality), but resolution 23 really becomes confusing vs 24...:
[Simplification_23.PNG]
[Oiginal_24.PNG]

If pictures don't show
https://openmtbmap.org/23.PNG
https://openmtbmap.org/24.PNG
--
Felix Hartman - Openmtbmap.org & VeloMap.org

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