[mkgmap-dev] [PATCH v1] Multipolygon: Distinct processing for line and polygon tagging

Mon Sep 13 20:13:27 BST 2010

This patch enables mkgmap to make use of real multipolygons and of 
multipolygons where only the members should be tagged (e.g. country 
boundaries) without any change on the style rules.

It adds a copy of each original line of a multipolygon with an outer 
role, tags them with the mp tags and an additional 
mkgmap:stylefilter=polyline. The generated polygon elements are tagged 
with mkgmap:stylefilter=polygon. The style system evaluates the 
mkgmap:stylefilter tag and processes such tagged elements only with the 
appropriate style rules.

The --process-boundary-relations option is no longer neccessary and has 
been removed.

WanMil

P.S.: Please have a look on the StyleTester class. I am not sure if I 
have implemented a good solution :-)
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