[mkgmap-dev] polygon type 0x4a

Wed May 29 07:42:40 BST 2013

Hi Gerd

This might have nothing to do with the issue but I've been curious why all
basemaps ( in the past) & now overview maps cause Mapsource & Basecamp to
crash when the tdb  lock byte is set.
This interestingly does not happen when cgpsmapper is used to create the
basemap . One of the differences seems to be that the latter includes a 0x4b
polygon to define the outline.(+ Background=Y)
Am I correct that  the main outline / frame (4b polygon) is not defined  as
such but presumably calculated by Mapsource? This might lead to unwanted
effects?

BW the overview maps work really well with reduced map windows.

.. Nick

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