Hi all,
I see no need to use if-then for this. Attached is a quick patch to add an
option like
--style-option=<val>
to mkgmap. If specified, it tells mkgmp to add the tag
mkgmap:style-option=<val>
to each element before style processing.
Sample usage with the attached patch:
java -jar mkgmap.jar --x-style-option="car,show_farms" ... test.osm
Style rule:
landuse=farmland & mgkmap:style-option ~ '.*show_farms.*' [0x10f01 level 1]
or if applied in the if-then branch:
if (mgkmap:style-option ~ '.*show_farms.*') then
landuse=farmland [0x10f01 level 1]
end
If you think that would be useful I'll add help and docu for it so that one
can use
it without the -x prefix.
Gerd
style-option_v0.patch
<http://gis.19327.n8.nabble.com/file/n5891095/style-option_v0.patch>
popej wrote
> I develop a single style for my topo maps, but I need some possibility
> to get a small variation in style depending on region. For example I
> prefer to show landuse=farmland on a map of Africa but to remove it on a
> map of Europe. So instead of maintaining 2 nearly identical styles, I
> would like to get a conditional statement, something like:
>
> if (SHOW_FARMS) (
> landuse=farmland [0x10f01 level 1]
> )
>
> and then add (or not) an option to mkgmap like --style-define=SHOW_FARMS
--
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