isonVLFL

by Tim C. Lueth, SG-Lib Toolbox: SolidGeometry 5.6 - Geometric Queries
Introduced first in SolidGeometry 4.9, Creation date: 2020-01-11, Last change: 2025-09-14

returns whether a point is on a surface

Description

Developed on 2018-08-16 by Yilun Sun to improve the SGisInterior Function
Accelerated Version by Tim Lueth 2020-01-11
For VLA:[40000×3 double] FLA:[79996×3 double] and VL:[40000×3 double]
this function takes instead of 40 seconds just 6.7 seconds

See Also: SGisInterior , isonVLFLsurface , isonVLFLplanes , VLisInteriorofBBlist , SGisOnsurface

Example Illustration

missing image of isonVLFL(VLA,FLA,VL)

Syntax

vi=isonVLFL(VLA,FLA,VL)

Input Parameter

VLA: Vertex list
FLA: Facet list
VL: Vertex list to test

Output Parameter

vi: On Surface Index of VL

Examples


A=SGbox([30,20,10]);
A=SGbool('-',SGbox([30,20,10]),SGbox([26,16,6]));
isonVLFL(A.VL,A.FL,0.5*(A.VL+circshift(A.VL,1)))
isonVLFL(A.VL,A.FL,0.5*(A.VL+circshift(A.VL,3)))
isonVLFL(A.VL,A.FL,0.5*(A.VL+circshift(A.VL,3)))



Copyright 2020-2025 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