[mkgmap-dev] coastline boundaries

Thu Feb 13 19:44:16 GMT 2014

Hi Henning,

okay, 
first a correction : precompiled data is passed to the style (polygons),
tags are natural=sea or natural=land (or the tag configured with --land-tag)
If we also pass the osm data, we will have duplicate or heavily 
overlapping shapes, so I think it is a good idea 
to pass them only through the lines rules so
that you can add coastlines, as this would not work with
precompiled sea data.
Another question is if that should also be done when 
option --coastlinefile is used, I don't know the content of
such a file.

Gerd

> Date: Thu, 13 Feb 2014 20:19:50 +0100
> From: osm at aighes.de
> To: mkgmap-dev at lists.mkgmap.org.uk
> Subject: Re: [mkgmap-dev] coastline boundaries
> 
> Hi Gerd,
> 
> processing the precompiled data through style isn't necessary. But I 
> would leave it to the style-dev to take care about rendering 
> natural=coastline also in polygon-file or not. After thinking some 
> minutes more, my approach isn't that better then yours, if you remove 
> the ignore function for polygon-file.
> 
> Henning
> 
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