[mkgmap-dev] Artifacts in final map (.MP -> .IMG conversion)

Fri Feb 8 19:33:09 GMT 2019

An .MP file can contain several [POLYGON] or [RGN80] sections.
Each [POLYGON] or [RGN80] section contains ONLY ONE outer ring and MAY
contain 1 or more inner rings (holes).
In this sections each line starting with DATA# defines ONLY ONE polygon:
The first line of DATA# defines OUTER ring.
The following DATA# line(s) (if any) define INNER ring(s).

See Page 23 (Section 4.2.4.2) and Page 98 (Section 10.6) of the cGPSmapper
User Manual:

https://web.archive.org/web/20140718154101if_/http://www.cgpsmapper.com/download/cGPSmapper-UsrMan-v02.5.pdf#page=98

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