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).
Best wishes
Christian
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