[mkgmap-dev] Multipolygon artificial tagging

Wed Feb 17 21:10:08 GMT 2010

Hi Marko and others,

the patch for the mp code does not remove any tags from the source 
polygons and lines. Instead it tags all mp-source lines and polygons 
with mkgmap:mp_source=yes.

All artificially created polygons during the mp processing are tagged 
with mkgmap:mp_created=yes.

Example:
Polygon A - natural=water, role=outer
Polygon B - landuse=grass, role=inner

Result after mp processing
Polygon A - natural=water, role=outer, mkgmap:mp_source=yes
Polygon B - landuse=grass, role=inner, mkgmap:mp_source=yes

Polygon A1 - natural=water, mkgmap:mp_created=yes
Polygon A2 - natural=water, mkgmap:mp_created=yes
Polygon B1 - landuse=grass, mkgmap:mp_created=yes

Maybe you could play a bit with this and post any new ideas how to 
improve the tag handling in the mp code.

WanMil

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