Geometry Boost List: [ggl] Relational Algorithms

Subject: [ggl] Relational Algorithms
From: Barend Gehrels (barend.gehrels)
Date: 2010-05-07 16:46:01

Hi Joshua,

> Has there been any progress recently towards fully implementing the 
> remaining OGC Boolean relations, such as contains, crosses, touches, 
> etc. and expanding within and overlaps to be dimensionally  agnostic. 
> Also has there been any work on creating a de9im generation algorithm. 
> The structures are setup, but it seems that there is no algorithms for 
> calculating the full de9im of two geometries or geometry collections, 
> which is necessary for implementing the OGC relate algorithm.
>
At this moment: no, the de9im is not ready, work had been done indeed 
but it needs to be finished.

Regards, Barend

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