On 15/02/18 11:04, Gerd Petermann wrote:
1) it sets the flag in the TRE field at offset 0x3f
2) it disables the additional 0x4b background polygons
Maybe only the combination of both actions causes trouble in the PC programs?
cgpsmapper had the option to do 2) without doing 1) which it calls a
semi-transparent map.
I tried un-setting the flag on a transparent map and routing started
working again in mapsource. So it is just the flag that causes the
problem. I don't know what the flag really does.
I also noted from the documentation that cgpsmapper seems to add 32 to
the draw priority of a transparent map, which is something that we do
not do.
Steve
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