Hi Dave,
I think the idea is to include some preprocessing capability to style
interpreter.
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
--
Best regards,
Andrzej
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