Hi Gerd,
the only thing I am afraid about is broken contourlines data (due to
errors or missing data). There you quite often end up with long straight
lines. So the patch shouldn't make such errors even worse - I long even
hoped that mkgmap could have a function/filter to delete all long lines
- say straight over 5km without intersection, because I don't think that
such long straight lines exist in OSM data (except ferry lines, power
lines, railways and highway=motorway/trunk)
So maybe better not detect such a problem automatically, but add a
filter for the style-file where you could switch off douglas peucker
especially
e.g.: gridlines=yes [0x* nodouglaspeucker]
On 25.07.2014 11:15, Gerd Petermann wrote:
a simple patch that tries to detect that the formula doesn't work.
I just have to decide what to do in that case, typically it is better
to keep the point, so
img size might increase.
--
keep on biking and discovering new trails
Felix
openmtbmap.org & www.velomap.org
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