Peter,
> I am using the DonutBuilder to create donut polygons within a
> MicroStation design file. The internal polygon/hole should be dropped
> if it has the same symbology, i.e. level and color, as the containing
> polygon, but should not be dropped if it has different symbology.
> The problem is complicated with the addition of another smaller
> polgyon within the original internal polygon. Similiarly, this
> polygon/hole should be dropped if it has the same symbology as the
> original internal polygon, but should remain if it has any other
> symbology.
Have you tried running it through a Dissolver? If you specify it to
group by the symbology attributes, I think it would do exactly what you
need.
Hope this helps,
--
Hans van der Maarel
Red Geographics
www.redgeographics.com / [EMAIL PROTECTED]
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