[mkgmap-dev] Strange forest polygon

Tue May 28 07:55:14 BST 2013

Hi Gerd

> If you create a map and don't use --transparent, mkgmap will add the
> 0x4b polygons.
> My idea was that mkgmap could detect if two overlapping parts both
> contain 0x4b polygons as
> this is a hint that one was not properly created with --transparent,
> but maybe this will not
> always produce problems?

Yes, I can imagine someone combines two maps (maybe with different priority) that overlap slightly. They don't have to be transparent, so a warning will be not wanted in this case.