isCVP

by Tim C. Lueth, SG-Lib Toolbox: SolidGeometry 5.6 - CPL/Closed Polygon Lists
Introduced first in SolidGeometry 5.1, Creation date: 2021-03-31, Last change: 2025-09-15

returns wether a sequence of vertices is a contour vertex path

Description

The function checks whether a 3D point sequence can be used as a path. This requires three conditions:
1st: ONE contour without nan separation
2nd: There is an OPEN contour; the start and end points are separate
3rd: There are no KINKS greater than 45 degrees, as this will lead to ambiguities in the Euler angles

See Also: CVLpathwarning , VLof2TR

Example Illustration

missing image of isCVP(VL)

Syntax

x=isCVP(VL)

Input Parameter

VL: Vertex list, that should represent a contour path in 3D

Output Parameter

x: true if all conditions are fullfilled

Examples


TLofn([1 6 6]); TL=ans; VLof2TR(TL(:,:,1),TL(:,:,2),10); VL=ans; isCVP((VL))
TLofn([1 6 6]);TL=ans; VLof2TR(TL(:,:,1),TL(:,:,2),10); VL=ans; isCVP(VLradialEdges(VL,5))



Copyright 2021-2025 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