[mkgmap-dev] A few thoughts on non-rectangular tiles

Fri Dec 19 10:55:06 GMT 2014

Hi Carlos,

yes, you are right, and splitter is using it. 
I thought the missing name was the reason for the introduction of  the
polygon-desc-file parameter in splitter, but in fact it was the possibility to 
define multiple areas with different names, and I think that is not possible 
with the *.poly format.
After writing my previous post I thought it would
also be a good thing to extract an area from the bounds files.
The advantage would be that we don't have to mess with different 
areas in the boundaries and a polygon file, but I am not sure
that the existing format allows that, as it is optimized for the LocationHook.

Gerd

> Date: Fri, 19 Dec 2014 11:07:24 +0100
> From: cdavilam at orangecorreo.es
> To: mkgmap-dev at lists.mkgmap.org.uk
> Subject: Re: [mkgmap-dev] A few thoughts on non-rectangular tiles
> 
> El 11/12/14 a las 11:20, GerdP escribió:
> > Hi Steve,
> >
> > If I got it right, we need these changes:
> > 1) an option to pass the polgon(s) to mkgmap.
> > I don't know which format is good for this. In splitter we use the OSM
> > (xml, o5m, pbf) format to pass named polygons (with --polygon-desc-file)
> > or the *.poly format (with --polygon-file ) from
> > osmosis which doesn't allow named polygons.
> *.poly files may contain polygon name before the list of coordinates. 
> For example:
> |cuba||
> ||1||
> ||  -85.08    23.55||
> ||  -78.68    23.55||
> ||  -73.46    20.40||
> ||  -73.84    19.73||
> ||  -77.76    19.01||
> ||  -79.26    20.23||
> ||  -85.12    21.27||
> ||  -85.08    23.55||
> ||END||
> ||END|
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