Journal
VISUAL COMPUTER
Volume 23, Issue 12, Pages 1027-1033Publisher
SPRINGER
DOI: 10.1007/s00371-007-0170-3
Keywords
surface modeling; spline; hierarchical T-mesh; stitching
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Computer graphics and computer-aided design communities prefer piecewise spline patches to represent surfaces. But keeping the smoothness between the adjacent patches is a challenging task. In this paper, we present a method for stitching several surface patches, which is a key step in complicated surface modeling, with polynomial splines over hierarchical T-meshes (PHT-spline for short). The method is simple and can be easily applied to complex surface modeling. With the method, spline surfaces can be constructed efficiently and adaptively to fit genus-zero meshes after their spherical parameterization is obtained, where only small sized linear systems of equations are involved.
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