===================================================== Liste_Funktionen_Beginn: UT2D_orient_3pt orientation of triangle (CW or CCW) UT2D_ck_pt_in_tria check if point is inside Triangle UT2D_2pt_tngLnCiY Beruehrung Kreis (pc auf horiz. Gerade) - LineSeg UT2D_pt_gcp_3pt gravity-centerPoint of triangle UTRI_radi_3pt inkreisradius UTRI_rado_3pt radius circumCircle umkreisradius UTRI_ptCC_3pt center of circumCircle UmkreisMittelpunkt UTRI_ar_3pt area of triangle see UT2D_ar_3pt UT3D_ck_triaOrientV get orientation from indices INLINE UT3D_indTria2ccw 3EckIndices CCW orientieren UT3D_ind3Tria_2ind give index of 3.point of triangle (0/1/2) INLINE UT3D_vc_perpTria vector = perpendic. to Triangle (crossprod) UT3D_lenq_PtTria minimum (quadr) distance Point-Triangle UT3D_lenq_PlnTria minimum (quadr) distance Plane-Triangle UT3D_ck_pt_in_tria check if point is inside Triangle UT3D_ck_pt_prj_tria check if projection of point is inside Triangle UT3D_pt_gcp_3pt gravity-centerPoint of triangle UT3D_pt_gcp_tria gravity-centerPoint of triangle UT3D_tria_inv Umlaufsinn umdrehen UT3D_tria_pta_fac create triangle from Fac3 UT3D_tria_pta create triangle from 3 points UT3D_pt_projPtTria project point onto triangle UTRI_pt_prjZpt3pt project point to face along Z-vec UT3D_pt_intTriaLnu Point from intersect Triangle - LineUnlimited UTRI_ln_int_LnFac intersect Line - Face UT3D_ln_intTriaPln Line = intersect Triangle - Plane UT3D_ln_intTriaTria Line = intersect Triangle - Triangle UT3D_2ln_tngTriPlSph Kugel in Ebene an 3Eck abrollen UT3D_pl1_tria make Plane from Triangle Liste_Funktionen_Ende: ===================================================== - see also: statt UT3D_vc_perptria use UT3D_vc_perp3pt Normalvektor auf 3Eck GR_Disp_triv GR_Disp_tria TSU_tsu2tria__ TSU_tsu2tria_rec TSU_tsu2tria_add ../ut/ut_tin.c UFA Funktionen fuer Faces (Fac3) ../ut/ut_msh.c MSH Funktionen fuer Meshes - test functions: UT3D_tria_tst_load load testTriangles
#include "../xa/MS_Def0.h"
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "../ut/ut_geo.h"
#include "../xa/xa_mem.h"
#include "../gr/ut_UI.h"
int UT3D_lenq_PlnTria | ( | double * | lenq, | |
Point * | plnO, | |||
Vector * | plnZ, | |||
Point * | p1, | |||
Point * | p2, | |||
Point * | p3 | |||
) |
int UT3D_indTria2ccw | ( | int * | i1, | |
int * | i2 | |||
) |
int UT3D_tria_inv | ( | Triangle * | tr | ) |
int UTRI_ln_int_LnFac | ( | Point * | ip, | |
Point * | pf1, | |||
Point * | pf2, | |||
Point * | pf3, | |||
Point * | pl1, | |||
Point * | pl2 | |||
) |
int UT3D_2ln_tngTriPlSph | ( | Line * | lnt, | |
Line * | lnp, | |||
double * | aDiff, | |||
Triangle * | tria, | |||
Plane * | pls, | |||
double | rs | |||
) |