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Revision as of 17:30, 2 April 2005 by Wheger (talk | contribs) (brief intro)(diff) ← Previous revision | Latest revision (diff) | Newer revision → (diff)In Constructive solid geometry, an Euler boolean operation is a series of modifications to solid modelling which perserves the Euler characteristic in the boundary representation at every stage. One or more of these Euler boolean operations is stored in a change state, so as to only represent models which are physically realizable. Failing to to maintain the Euler characteristic would result in geometric and topological entities often painted by Escher.