Hi, This is not a bug report, but something I found interesting.
I recently noticed a problem with polygon draw order in Mapsource; and on my Dakota 20. Sometimes a polygon was drawn correctly above another (according with the draw order specified in the TYP file), and at other times not. I don’t believe mkgmap actually processes the TYP file so I did not report it here. This morning I was playing with drawing dark lines around polygons to “fix” this, but found mkgmap created a 28000+ Kb file that was too large for Mapsource to show. When I reduced the –max-nodes option to produce smaller tiles I noticed it fixed some, but not all of the polygon draw order problems. So I reduced it further (from the original 1500000, to 750000) and found it fixed all the draw order problems I had noticed. >From previous posts and experience, I knew there was a problem routing across >tile boundaries (which is why I had been using 1500000 to reduce the number of >tiles produced, and thus the boundaries). So I found an area where 4 tiles met >close to each other, and tried auto-routing across the boundaries in >Mapsource. To my surprise reducing the max-nodes had now fixed this problem as >well, and I could route anyway I liked E->W, W->E, N->S, S->N across the four >boundaries. Auto-routing also worked fine on my device as well So if anyone is experiencing similar problems; I suggest trying to reduce the max-nodes and seeing if that helps. Geoff.
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