On 28-2-2013 9:17, clipka wrote:
> Collect the domes separately, maybe?
>

Yes, I suppose so. Presently the domes are selected during the iteration 
process and thus can be cut off during a later iteration.

I could collect the domes separately by writing their position to file 
during the iteration process, however the same problem would occur if 
the underlying building has been partly differenced in the mean time...

Not sure how to solve that...

I am putting a sample file in p.b.s-f

Thomas

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