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CHAPTER H Literature Survey
E Helical Sweep
1 other sections not shown
2D points 32 Figure 3D scanner 3D space algorithm applied approximating B-spline Bézier Bézier patch cloud of points constructed control points coordinate system COP data cross-section curve cubic curve curves and surfaces cylinder deﬁned desired curve determine eigenvalue eigenvector extrusion Figure V-7 ﬁnal ﬁnd gear teeth helical motion helical sweep intermediary curves knot vector linear complex linear gear Linear Translational Sweep matrix measurement dialog minimal bounding box moving least squares non-linear translational sweep normal vector NURBS proﬁle curve NURBS surface object parameters path normals plane unit normal plane’s normal vector Pliicker coordinates point cloud polynomial Primary principal principal orientation principal slice plane Pro|Engineer proﬁle plane projected radial pattem radius reconstruction resulting surface reverse engineering rotation angle rotational sweep ruled surface scanned screw section curve segment Selected points subset surface normal sweep method sweep technique swept surface thesis trajectory curve Triangulation unit direction vector Wildﬁre