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How to use Index to spatial relations?

Topics: Algorithms, General Topics, SharpMap v2.0
Apr 28, 2008 at 5:14 PM
I need to test spatial relations on objects (poligons) in my shp file, now I through every geometry with all other geometrys but this metod is totaly ineficient, how can obtain a block of objects relationated with a base object (like touch). I use NTS to test te relations.