Am 04.07.2009 um 13:06 schrieb Christian Gawron:
Nop schrieb:
And I don't agree that this would be a derived work. OSM does not
contain any DEM data or contour lines, so by adding them the OSM
layer remains unchanged and clearly discernible from the contour
lines, so I would say the result is a collective work.
Discernible is not enough. You need to read through the full
legalese. A collective work is defined as a collection of
unmodified entities. This is definitely not true for a gmapsupp.img.
Took me a while to understand and believe how bad the current OSM
licence is, too.
Thank you for the clarification. So maybe I should add an option to
put the contours into a separate IMG file.
Right now you could achieve this by using an input file which
contains no data but the bounding box.
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.
Regards
Thilo
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