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Example-based procedural modelling by geometric constraint solving
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DOI：10.1007/s11042-011-0795-0.png)
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Abstract
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A novel method for procedurally modelling large, complex three-dimensional scenes is presented. Our approach is general-purpose and takes as input any three-dimensional model intuitively provided by a user. The algorithm exploits the adjacency between shapes and objects in the input model and computes an output model that extracts these features (constraints and adjacencies) and models the input. There are two important differences between our method and existing general-purpose model synthesis algorithms. The first is the use of a distribution for the surface or terrain on which the new model is placed. The second difference is that we automatically generate example-inherent constraints to assist the adjacency-based construction using constructive geometric constraint solving.
Keywords:
Model synthesis
Procedural modelling
Example-based modelling
Geometric constraint solving
Mixture models
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