IEEE Trans Vis Comput Graph - Approximate Boolean Operations on Large Polyhedral Solids with Partial Mesh Reconstruction.

Tópicos

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Resumo

We present a new approach to compute the approximate Boolean operations of two freeform polygonal mesh solids efficiently with the help of Layered Depth Images (LDI). After applying the LDI sampling based membership classification, the most challenging part, a trimmed adaptive contouring algorithm, is developed to reconstruct the mesh surface from the LDI samples near the intersected regions and stitch it to the boundary of the retained surfaces. Our method of approximate Boolean operations holds the advantage of numerical robustness as the approach uses volumetric representation. However, unlike other methods based on volumetric representation, we do not damage the facets in non-intersected regions, thus preserving geometric details much better and speeding up the computation as well. We show that the proposed method can successfully compute the Boolean operations of freeform solids with a massive number of polygons in a few seconds.

Resumo Limpo

present new approach comput approxim boolean oper two freeform polygon mesh solid effici help layer depth imag ldi appli ldi sampl base membership classif challeng part trim adapt contour algorithm develop reconstruct mesh surfac ldi sampl near intersect region stitch boundari retain surfac method approxim boolean oper hold advantag numer robust approach use volumetr represent howev unlik method base volumetr represent damag facet nonintersect region thus preserv geometr detail much better speed comput well show propos method can success comput boolean oper freeform solid massiv number polygon second

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