Hi WanMil,
> 2nd: the multipolygon code should not remove the boundary tags from
> the singular ways. Additionally the polygons created by the
> multipolygon code could be tagged with mkgmap:mp_boundary=yes. This
> tag could be evaluated in the style definition so the style could
> differ between the polygons created by the mp code and the lines not
> touched by mp code.
This sounds sensible to me. The style could have an additional rule
that filters out generated lines. I would set the attribute on all
MultiPolygon-generated lines, not just on boundaries. (Someone could
want to draw coastlines as lines on a separate map layer, for example,
and the generated lines would interfere.)
Marko
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