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[mkgmap-dev] [PATCH v1] - provide alternative sea drawing mechanism

From Mark Burton markb at ordern.com on Wed Dec 30 21:17:53 GMT 2009

Hello Charlie,

> Hurrah! Does this also mean that, with suitable definition of the 
> polygon used for land, we can finally banish the "Garmin yellow" 
> background to history?

Yes (and no).

You can give the "land" polygon whatever colour you desire.

However, at the moment, the patch doesn't generate "land" polygons for
tiles that contain no sea so you will end up with different colour land
depending if the tile contains sea or not.

Mapsource and some GPS units honour the colour in the 0x4b (Map
background) polygon but not all do (like the Nuvi).

I am just making a v3 patch that will generate a "land" polygon
for tiles that have no sea as long as --generate-sea=no-mp has been
specified. I realise that it is perverse that the land colour is
influenced by --generate-sea.



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