Polygon comparison using a graph representation
SIGGRAPH '80 Proceedings of the 7th annual conference on Computer graphics and interactive techniques
Incremental Boundary Evaluation Using Inference of Edge Classifications
IEEE Computer Graphics and Applications - Special issue on computer-aided geometric design
Integration of parametric geometry and non-manifold topology in geometric modeling
SMA '93 Proceedings on the second ACM symposium on Solid modeling and applications
Offsetting operations on non-manifold boundary representation models with simple geometry
Proceedings of the fifth ACM symposium on Solid modeling and applications
Proceedings of the sixth ACM symposium on Solid modeling and applications
Feature-based multiresolution modeling of solids
ACM Transactions on Graphics (TOG)
Towards A Unified Description Of Product Related Processes
Journal of Integrated Design & Process Science
Numeric and curve parameters for freeform surface feature models
Computer-Aided Design
A framework for extendable freeform surface feature modelling
Computers in Industry
Offsetting operations on non-manifold topological models
Computer-Aided Design
CW complexes: topological mainframe for numerical representations of objects
ICCSA'03 Proceedings of the 2003 international conference on Computational science and its applications: PartIII
Transformation of a thin-walled solid model into a surface model via solid deflation
Computer-Aided Design
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An approach to boundary evaluation and a boundary representation are presented. The approach uses nonmanifold topology (NMT) to overcome editing and coverage limitations associated with the manifold nature of existing boundary evaluation schemes. It merges the input primitives into a single representation and selects the entities in the merged set that constitute the result of the Boolean operations. Because this approach maintains a complete description of the input primitives, it provides some significant performance advantages when editing. In addition, the domain of 3D Boolean operations is extended to include surface and wireframe information as well as the traditional solid information. The implementation and testing of the approach are discussed.