Torsten Leistikow wrote:
Felix Hartmann schrieb:
Is there a big speed difference when using your patches?
I haven't noticed any significant difference, but I haven't done any
real comparison measurements.
It certainly depends on the number of additionally created elements, but
I think it will take some time, until the extended possibilities are
really used.
Right now I am trying to add a marking to highways with bridge=yes.
Another idea would be to add a marking to all highways with a
cycleway=track.
Gruss
Torsten
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If you know my maps ( http://openmtbmap.org ), you would know that I use
3 layers and patched mkgmap via the rules reader file (older messages on
this list) for me to reduce it down from 6 to 3 layers. continue/stop is
definitely easier than patching the rule reader files for many things to
continue, so my only fear is that going for continue/stop makes mkgmap
slower. Since my main lines style-file got to around 80.000 lines
because of checking several attributes for each possible line, speed of
mkgmap reduces somtimes badly (about 500%plus on my older light styles
consisting of only around 2.000 lines), even though most lines are only
about getting additional attributes into the name. On gps map panning
several layers provide speed improvements, therefore I would still
continue with multilayer maps, but maybe go down to two layers if speed
improves.
Could you try with/without your patches on germany.osm.bz2 from
geofrabrik to see the speed difference (just record with timer in
batch/bash)
The main things I'm currently doubling are bridges, tunnels, sac_scale,
mtb:scale, mtb:scale:uphill, trackgrade, several route types, cycleways,
and some more but via my own patches I already got this down to three
layers. other things to double would be rivers.
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