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Freeform Surface Modeling (5 pages)

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Freeform Surface Modeling

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Pages:
5
School:
West Virginia University
Course:
Mae 455 - Computer Aided Drafting/Design

Unformatted text preview:

1 MAE 455 Computer-Aided Design and Drafting This image cannot currently be displayed. Freeform Surface Modeling Image from Chad Dickman Image from Brent Liedke This image cannot currently be displayed. Image from Jeff Leismer Image from Michael Biery Image from Christopher Rock MAE 455 Computer-Aided Design and Drafting 2 Review of Sweep Operations • Types of sweep operations are: – – – • Elements of sweep operations are: – – 2 MAE 455 Computer-Aided Design and Drafting 3 Types of Freeform Surfaces 1. Surfaces from points • Point interpolation • Control points • Point cloud Surface is incident with a grid of points. Grid of points “pull” surface. (Not necessarily incident.) Best fit to jumble of points. (E.g., laser scanned data) MAE 455 Computer-Aided Design and Drafting 4 Types of Freeform Surfaces 2. Surfaces from multiple sections • Ruled surface • Through curves (loft) Matching points on each curve are joined by straight lines. Best fit of surface to curves. (If only two curves, same as ruled.)



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