Estimating Recursion Depth for Loop Subdivision

Topics:
Mechanical and Industrial
Tags:
Bound,
Engineering,
Enterprise Software,
Hardware,
Mesh,
Software,
Thin Clients,
Vertical Industries
Source:
International Journal of CAD/CAM

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Overview: In this paper, an exponential bound of the distance between a Loop subdivision surface and its control mesh is derived based on the topological structure of the control mesh. The exponential bound is independent of the process of recursive subdivisions and can be evaluated without subdividing the control mesh actually. Using the exponential bound, we can predict the depth of recursion within a user-specified tolerance as well as the error bound after n steps of subdivision. The error-estimating approach can be used in many engineering applications such as surface/surface intersection, mesh generation, NC machining, surface rendering and the like.

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Format: PDF | Size: 1,219KB | Date: Jul 2004 | Pages: 9

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