What I actually do is to include the contour lines into the IMG file,
because that works best for me. If you put them into a separate IMG
file and then the polygons into a separate IMG file and also the ways
into their separate IMG file you can create layers and control the
draw order - in a way. We just lately had a discussion about this on
the mailing list, see the thread 'Option "preserve-element-order"'.
Regards
Thilo
Am 04.07.2009 um 22:42 schrieb Christian Gawron:
Thilo Hannemann schrieb:
I think using one IMG has the advantage that using a TYP file you
can specify the drawing order (first the "background" polygons,
than the contours, then the streets).
Actually, using different IMG files will allow you to do that, but
with one IMG file for everything it will be difficult. You cannot
specify the drawing order of ways in the TYP file, only of
polygons. And as I understand it, it is not easy to control the
drawing order of ways in any other way. Nop seems to be able to do
it by controlling the order the ways are written into the IMG file,
but I was largely unsucessfull using that method.
But if you put the IMG with the contours on top, wouldn't the
contour lines be on top of the ways? And if you do it the other way
around, wouldn't the background polygons (eg. forrest) hide the
contour lines? How did you solve this?
I actually tried using separate IMG files first, but I didn't get
"nice" results, so I used XInclude to include the contour lines from
the OSM file (before I wrote the code to create the contour lines in
mkgmap).
Best wishes
Christian
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