CPLedgeNormal

by Tim C. Lueth, SG-Lib Toolbox: SolidGeometry 5.6 - CPL/Closed Polygon Lists
Introduced first in SolidGeometry 2.5.1, Creation date: 2015-09-09, Last change: 2025-09-14

returns edge normals and point normals for a CPL

Description

Slow but correct function for CPL and PL. In case of PL, the last edges are not plotted.
Written on SY Bontekoning in the bay Cala Portals (Mallorca)


See Also: CVLedgeNormal , VLedgeNormal , edgeNormal , PLnorm , PLELnorm , PLFLfaceNormal , VLnorm , VLFLfaceNormal

Example Illustration

missing image of CPLedgeNormal(CPL)

Syntax

[ENL,PNL,PDL]=CPLedgeNormal(CPL)

Input Parameter

CPL: Closed Polygon List separated by NaN

Output Parameter

ENL: edge normal list
PNL: Point normal list
PDL: Point distance list (vector to next point)

Examples


CPLedgeNormal(PLcircle(10,4))
w=1; [~,PNL]=CPLedgeNormal(CPL); RPL=CPL-w*PNL;



Copyright 2015-2025 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