PLFLofPLalphashape
by Tim C. Lueth, SG-Lib Toolbox: SolidGeometry 5.6 - VLFL/Surfaces
Introduced first in SolidGeometry 4.3, Creation date: 2018-10-07, Last change: 2025-09-14
returns a facet list from a point list using alphashape
Description
This function is helpful to
creates a closed surface from a point list
See Also: CPLofPLalphashape
Example Illustration
Syntax
[PL,FL,CPL,EL,CEL]=PLFLofPLalphashape(PL,[r])
Input Parameter
PL: | | Original Point cloud |
r: | | optional radius for alphashape triangulation |
Output Parameter
PL: | | Point list (doubled entries removed) |
FL: | | Facet List |
CPL: | | Closed Polygon List of contour (endpoint=startpoint) |
EL: | | Edge list of free boundary sorted |
CEL: | | Contour index list |
Examples
pc=PCofSG(SGsample(25),30000); PL=pc.Location(:,1:2);
PLFLofPLalphashape(PL);
Copyright 2018-2025 Tim C. Lueth. All rights reserved. The code is the property of Tim C. Lueth and may not be redistributed or modified without explicit written permission. This software may be used free of charge for academic research and teaching purposes only. Commercial use, redistribution, modification, or reverse engineering is strictly prohibited. Access to source code is restricted and granted only under specific agreements. For licensing inquiries or commercial use, please contact: Tim C. Lueth
Last html export of this page out of FM database by TL: 2025-09-21