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libmmg3d_tools.c
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libmmg3d_tools.c
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/* =============================================================================
** This file is part of the mmg software package for the tetrahedral
** mesh modification.
** Copyright (c) Bx INP/CNRS/Inria/UBordeaux/UPMC, 2004-
**
** mmg is free software: you can redistribute it and/or modify it
** under the terms of the GNU Lesser General Public License as published
** by the Free Software Foundation, either version 3 of the License, or
** (at your option) any later version.
**
** mmg is distributed in the hope that it will be useful, but WITHOUT
** ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
** FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
** License for more details.
**
** You should have received a copy of the GNU Lesser General Public
** License and of the GNU General Public License along with mmg (in
** files COPYING.LESSER and COPYING). If not, see
** <http://www.gnu.org/licenses/>. Please read their terms carefully and
** use this copy of the mmg distribution only if you accept them.
** =============================================================================
*/
/**
* \file mmg3d/libmmg3d_tools.c
* \brief Tools functions for the mmg3d library
* \author Algiane Froehly (Inria/UBordeaux)
* \version 5
* \date 01 2014
* \copyright GNU Lesser General Public License.
**/
#include "inlined_functions_3d.h"
#include "mmgversion.h"
void MMG3D_setfunc(MMG5_pMesh mesh,MMG5_pSol met) {
if ( met && met->size == 6 ) {
if ( (!met->m) && (!mesh->info.optim) && mesh->info.hsiz<=0. ) {
MMG5_caltet = MMG5_caltet_iso;
MMG5_caltri = MMG5_caltri_iso;
MMG5_lenedg = MMG5_lenedg_iso;
MMG3D_lenedgCoor = MMG5_lenedgCoor_iso;
MMG5_lenSurfEdg = MMG5_lenSurfEdg_iso;
}
else {
MMG5_caltet = MMG5_caltet_ani;
MMG5_caltri = MMG5_caltri_ani;
MMG5_lenedg = MMG5_lenedg_ani;
MMG3D_lenedgCoor = MMG5_lenedgCoor_ani;
MMG5_lenSurfEdg = MMG5_lenSurfEdg_ani;
}
MMG5_intmet = MMG5_intmet_ani;
MMG5_lenedgspl = MMG5_lenedg_ani;
MMG5_movintpt = MMG5_movintpt_ani;
MMG5_movbdyregpt = MMG5_movbdyregpt_ani;
MMG5_movbdyrefpt = MMG5_movbdyrefpt_ani;
MMG5_movbdynompt = MMG5_movbdynompt_ani;
MMG5_movbdyridpt = MMG5_movbdyridpt_ani;
MMG5_interp4bar = MMG5_interp4bar_ani;
MMG5_compute_meanMetricAtMarkedPoints = MMG5_compute_meanMetricAtMarkedPoints_ani;
MMG3D_defsiz = MMG3D_defsiz_ani;
MMG3D_gradsiz = MMG3D_gradsiz_ani;
MMG3D_gradsizreq = MMG3D_gradsizreq_ani;
#ifndef PATTERN
MMG5_cavity = MMG5_cavity_ani;
MMG3D_PROctreein = MMG3D_PROctreein_ani;
#endif
}
else {
if ( mesh->info.optimLES ) {
MMG5_caltet = MMG3D_caltetLES_iso;
MMG5_movintpt = MMG5_movintpt_iso;
}
else {
MMG5_caltet = MMG5_caltet_iso;
MMG5_movintpt = MMG5_movintpt_iso;
}
MMG5_caltri = MMG5_caltri_iso;
MMG5_lenedg = MMG5_lenedg_iso;
MMG3D_lenedgCoor = MMG5_lenedgCoor_iso;
MMG5_lenSurfEdg = MMG5_lenSurfEdg_iso;
MMG5_intmet = MMG5_intmet_iso;
MMG5_lenedgspl = MMG5_lenedg_iso;
MMG5_movbdyregpt = MMG5_movbdyregpt_iso;
MMG5_movbdyrefpt = MMG5_movbdyrefpt_iso;
MMG5_movbdynompt = MMG5_movbdynompt_iso;
MMG5_movbdyridpt = MMG5_movbdyridpt_iso;
MMG5_interp4bar = MMG5_interp4bar_iso;
MMG5_compute_meanMetricAtMarkedPoints = MMG5_compute_meanMetricAtMarkedPoints_iso;
MMG3D_defsiz = MMG3D_defsiz_iso;
MMG3D_gradsiz = MMG3D_gradsiz_iso;
MMG3D_gradsizreq = MMG3D_gradsizreq_iso;
#ifndef PATTERN
MMG5_cavity = MMG5_cavity_iso;
MMG3D_PROctreein = MMG3D_PROctreein_iso;
#endif
}
}
int MMG3D_Get_adjaTet(MMG5_pMesh mesh, int kel, int listet[4]) {
int idx;
if ( ! mesh->adja ) {
if (! MMG3D_hashTetra(mesh, 0))
return 0;
}
idx = 4*(kel-1);
listet[0] = mesh->adja[idx+1]/4;
listet[1] = mesh->adja[idx+2]/4;
listet[2] = mesh->adja[idx+3]/4;
listet[3] = mesh->adja[idx+4]/4;
return 1;
}
int MMG3D_usage(char *prog) {
/* Common generic options, file options and mode options */
MMG5_mmgUsage(prog);
/* Lagrangian option (only for mmg2d/3d) */
MMG5_lagUsage();
/* Common parameters (first section) */
MMG5_paramUsage1( );
/* Parameters shared by mmg2d and 3d only*/
MMG5_2d3dUsage();
#ifndef PATTERN
fprintf(stdout,"-octree val specify the max number of points per octree cell \n");
#endif
#ifdef USE_SCOTCH
fprintf(stdout,"-rn [n] turn on or off the renumbering using SCOTCH [1/0] \n");
#endif
fprintf(stdout,"\n");
fprintf(stdout,"-nofem do not force Mmg to create a finite element mesh \n");
fprintf(stdout,"-nosurf no surface modifications\n");
fprintf(stdout,"\n");
/* Common parameters (second section) */
MMG5_paramUsage2();
fprintf(stdout,"-optimLES enable skewness improvement (for LES computations)\n");
/* Common options for advanced users */
MMG5_advancedUsage();
fprintf(stdout,"\n\n");
return 1;
}
int MMG3D_defaultValues(MMG5_pMesh mesh) {
MMG5_mmgDefaultValues(mesh);
#ifndef PATTERN
fprintf(stdout,"Max number of point per octree cell (-octree) : %d\n",
mesh->info.PROctree);
#endif
#ifdef USE_SCOTCH
fprintf(stdout,"SCOTCH renumbering : enabled\n");
#else
fprintf(stdout,"SCOTCH renumbering : disabled\n");
#endif
fprintf(stdout,"\n\n");
return 1;
}
// In ls mode : metric must be provided using -met option (-sol or default is the ls).
// In adp mode : -sol or -met or default allow to store the metric.
int MMG3D_parsar(int argc,char *argv[],MMG5_pMesh mesh,MMG5_pSol met,MMG5_pSol sol) {
MMG5_pSol tmp = NULL;
int i;
char namein[MMG5_FILESTR_LGTH];
/* First step: search if user want to see the default parameters values. */
for ( i=1; i< argc; ++i ) {
if ( !strcmp(argv[i],"-val") ) {
if ( !MMG3D_defaultValues(mesh) ) return 0;
return 0;
}
}
/* Second step: read all other arguments. */
i = 1;
while ( i < argc ) {
if ( *argv[i] == '-' ) {
switch(argv[i][1]) {
case '?':
MMG3D_usage(argv[0]);
return 0;
case 'a':
if ( !strcmp(argv[i],"-ar") && ++i < argc )
if ( !MMG3D_Set_dparameter(mesh,met,MMG3D_DPARAM_angleDetection,
atof(argv[i])) )
return 0;
break;
case 'A': /* anisotropy */
if ( !MMG3D_Set_solSize(mesh,met,MMG5_Vertex,0,MMG5_Tensor) )
return 0;
break;
case 'd':
if ( !strcmp(argv[i],"-default") ) {
mesh->mark=1;
}
else {
/* debug */
if ( !MMG3D_Set_iparameter(mesh,met,MMG3D_IPARAM_debug,1) ) {
return 0;
}
}
break;
case 'h':
if ( !strcmp(argv[i],"-hmin") && ++i < argc ) {
if ( !MMG3D_Set_dparameter(mesh,met,MMG3D_DPARAM_hmin,
atof(argv[i])) )
return 0;
}
else if ( !strcmp(argv[i],"-hmax") && ++i < argc ) {
if ( !MMG3D_Set_dparameter(mesh,met,MMG3D_DPARAM_hmax,
atof(argv[i])) )
return 0;
}
else if ( !strcmp(argv[i],"-hsiz") && ++i < argc ) {
if ( !MMG3D_Set_dparameter(mesh,met,MMG3D_DPARAM_hsiz,
atof(argv[i])) )
return 0;
}
else if ( !strcmp(argv[i],"-hausd") && ++i <= argc ) {
if ( !MMG3D_Set_dparameter(mesh,met,MMG3D_DPARAM_hausd,
atof(argv[i])) )
return 0;
}
else if ( !strcmp(argv[i],"-hgradreq") && ++i <= argc ) {
if ( !MMG3D_Set_dparameter(mesh,met,MMG3D_DPARAM_hgradreq,
atof(argv[i])) )
return 0;
}
else if ( !strcmp(argv[i],"-hgrad") && ++i <= argc ) {
if ( !MMG3D_Set_dparameter(mesh,met,MMG3D_DPARAM_hgrad,
atof(argv[i])) )
return 0;
}
else {
MMG3D_usage(argv[0]);
return 0;
}
break;
case 'i':
if ( !strcmp(argv[i],"-in") ) {
if ( ++i < argc && isascii(argv[i][0]) && argv[i][0]!='-') {
if ( !MMG3D_Set_inputMeshName(mesh, argv[i]) )
return 0;
}else{
fprintf(stderr,"Missing filname for %c%c\n",argv[i-1][1],argv[i-1][2]);
MMG3D_usage(argv[0]);
return 0;
}
}
break;
case 'l':
if ( !strcmp(argv[i],"-lag") ) {
if ( ++i < argc && isdigit(argv[i][0]) ) {
if ( !MMG3D_Set_iparameter(mesh,met,MMG3D_IPARAM_lag,atoi(argv[i])) )
return 0;
}
else if ( i == argc ) {
fprintf(stderr,"Missing argument option %s\n",argv[i-1]);
MMG3D_usage(argv[0]);
return 0;
}
else {
fprintf(stderr,"Missing argument option %s\n",argv[i-1]);
MMG3D_usage(argv[0]);
i--;
return 0;
}
}
else if ( !strcmp(argv[i],"-ls") ) {
if ( !MMG3D_Set_iparameter(mesh,met,MMG3D_IPARAM_iso,1) )
return 0;
if ( ++i < argc && (isdigit(argv[i][0]) ||
(argv[i][0]=='-' && isdigit(argv[i][1])) ) ) {
if ( !MMG3D_Set_dparameter(mesh,met,MMG3D_DPARAM_ls,atof(argv[i])) )
return 0;
}
else i--;
}
break;
case 'm':
if ( !strcmp(argv[i],"-met") ) {
if ( !met ) {
fprintf(stderr,"No metric structure allocated for %c%c%c option\n",
argv[i-1][1],argv[i-1][2],argv[i-1][3]);
return 0;
}
if ( ++i < argc && isascii(argv[i][0]) && argv[i][0]!='-' ) {
if ( !MMG3D_Set_inputSolName(mesh,met,argv[i]) )
return 0;
}
else {
fprintf(stderr,"Missing filname for %c%c%c\n",argv[i-1][1],argv[i-1][2],argv[i-1][3]);
MMG3D_usage(argv[0]);
return 0;
}
}
else if ( !strcmp(argv[i],"-m") ) {
/* memory */
if ( ++i < argc && isdigit(argv[i][0]) ) {
if ( !MMG3D_Set_iparameter(mesh,met,MMG3D_IPARAM_mem,atoi(argv[i])) )
return 0;
}
else {
fprintf(stderr,"Missing argument option %c\n",argv[i-1][1]);
MMG3D_usage(argv[0]);
return 0;
}
}
break;
case 'n':
if ( !strcmp(argv[i],"-nofem") ) {
if ( !MMG3D_Set_iparameter(mesh,met,MMG3D_IPARAM_nofem,1) )
return 0;
}
else if ( !strcmp(argv[i],"-nreg") ) {
if ( !MMG3D_Set_iparameter(mesh,met,MMG3D_IPARAM_nreg,1) )
return 0;
}
else if ( !strcmp(argv[i],"-nr") ) {
if ( !MMG3D_Set_iparameter(mesh,met,MMG3D_IPARAM_angle,0) )
return 0;
}
else if ( !strcmp(argv[i],"-nsd") ) {
if ( ++i < argc && isdigit(argv[i][0]) ) {
if ( !MMG3D_Set_iparameter(mesh,met,MMG3D_IPARAM_numsubdomain,atoi(argv[i])) )
return 0;
}
else {
fprintf(stderr,"Missing argument option %c\n",argv[i-1][1]);
MMG3D_usage(argv[0]);
return 0;
}
}
else if ( !strcmp(argv[i],"-noswap") ) {
if ( !MMG3D_Set_iparameter(mesh,met,MMG3D_IPARAM_noswap,1) )
return 0;
}
else if( !strcmp(argv[i],"-noinsert") ) {
if ( !MMG3D_Set_iparameter(mesh,met,MMG3D_IPARAM_noinsert,1) )
return 0;
}
else if( !strcmp(argv[i],"-nomove") ) {
if ( !MMG3D_Set_iparameter(mesh,met,MMG3D_IPARAM_nomove,1) )
return 0;
}
else if( !strcmp(argv[i],"-nosurf") ) {
if ( !MMG3D_Set_iparameter(mesh,met,MMG3D_IPARAM_nosurf,1) )
return 0;
}
else if( !strcmp(argv[i],"-nosizreq") ) {
if ( !MMG3D_Set_iparameter(mesh,met,MMG3D_IPARAM_nosizreq,1) ) {
return 0;
}
}
break;
case 'o':
if ( (!strcmp(argv[i],"-out")) || (!strcmp(argv[i],"-o")) ) {
if ( ++i < argc && isascii(argv[i][0]) && argv[i][0]!='-') {
if ( !MMG3D_Set_outputMeshName(mesh,argv[i]) )
return 0;
}else{
fprintf(stderr,"Missing filname for %c%c%c\n",
argv[i-1][1],argv[i-1][2],argv[i-1][3]);
MMG3D_usage(argv[0]);
return 0;
}
}
else if ( !strcmp(argv[i],"-opnbdy") ) {
if ( !MMG3D_Set_iparameter(mesh,met,MMG3D_IPARAM_opnbdy,1) )
return 0;
}
#ifndef PATTERN
else if ( !strcmp(argv[i],"-octree") && ++i < argc ) {
if ( !MMG3D_Set_iparameter(mesh,met,MMG3D_IPARAM_octree,
atoi(argv[i])) )
return 0;
}
#endif
else if( !strcmp(argv[i],"-optimLES") ) {
if ( !MMG3D_Set_iparameter(mesh,met,MMG3D_IPARAM_optimLES,1) )
return 0;
}
else if( !strcmp(argv[i],"-optim") ) {
if ( !MMG3D_Set_iparameter(mesh,met,MMG3D_IPARAM_optim,1) )
return 0;
}
break;
case 'r':
if ( !strcmp(argv[i],"-rmc") ) {
if ( !MMG3D_Set_dparameter(mesh,met,MMG3D_DPARAM_rmc,0) )
return 0;
if ( ++i < argc && (isdigit(argv[i][0]) ) ) {
if ( !MMG3D_Set_dparameter(mesh,met,MMG3D_DPARAM_rmc,atof(argv[i])) )
return 0;
}
else i--;
}
#ifdef USE_SCOTCH
else if ( !strcmp(argv[i],"-rn") ) {
if ( ++i < argc ) {
if ( isdigit(argv[i][0]) ) {
if ( !MMG3D_Set_iparameter(mesh,met,MMG3D_IPARAM_renum,atoi(argv[i])) )
return 0;
}
else {
fprintf(stderr,"Missing argument option %s\n",argv[i-1]);
MMG3D_usage(argv[0]);
return 0;
}
}
else {
fprintf(stderr,"Missing argument option %s\n",argv[i-1]);
MMG3D_usage(argv[0]);
return 0;
}
}
#endif
else {
fprintf(stderr,"Unrecognized option %s\n",argv[i]);
MMG3D_usage(argv[0]);
return 0;
}
break;
case 's':
if ( !strcmp(argv[i],"-sol") ) {
/* For retrocompatibility, store the metric if no sol structure available */
tmp = sol ? sol : met;
assert(tmp);
if ( ++i < argc && isascii(argv[i][0]) && argv[i][0]!='-' ) {
if ( !MMG3D_Set_inputSolName(mesh,tmp,argv[i]) )
return 0;
}
else {
fprintf(stderr,"Missing filname for %c%c%c\n",argv[i-1][1],argv[i-1][2],argv[i-1][3]);
MMG3D_usage(argv[0]);
return 0;
}
}
break;
case 'v':
if ( ++i < argc ) {
if ( isdigit(argv[i][0]) ||
(argv[i][0]=='-' && isdigit(argv[i][1])) ) {
if ( !MMG3D_Set_iparameter(mesh,met,MMG3D_IPARAM_verbose,atoi(argv[i])) )
return 0;
}
else {
i--;
fprintf(stderr,"Missing argument option %s\n",argv[i]);
}
}
else {
fprintf(stderr,"Missing argument option %s\n",argv[i-1]);
MMG3D_usage(argv[0]);
return 0;
}
break;
default:
fprintf(stderr,"Unrecognized option %s\n",argv[i]);
MMG3D_usage(argv[0]);
return 0;
}
}
else {
if ( mesh->namein == NULL ) {
if ( !MMG3D_Set_inputMeshName(mesh,argv[i]) )
return 0;
if ( mesh->info.imprim == -99 ) {
if ( !MMG3D_Set_iparameter(mesh,met,MMG3D_IPARAM_verbose,5) )
return 0;
}
}
else if ( mesh->nameout == NULL ) {
if ( !MMG3D_Set_outputMeshName(mesh,argv[i]) )
return 0;
}
else {
fprintf(stdout,"Argument %s ignored\n",argv[i]);
MMG3D_usage(argv[0]);
return 0;
}
}
i++;
}
/* check file names */
if ( mesh->info.imprim == -99 ) {
fprintf(stdout,"\n -- PRINT (0 10(advised) -10) ?\n");
fflush(stdin);
MMG_FSCANF(stdin,"%d",&i);
if ( !MMG3D_Set_iparameter(mesh,met,MMG3D_IPARAM_verbose,i) )
return 0;
}
if ( mesh->namein == NULL ) {
fprintf(stdout," -- INPUT MESH NAME ?\n");
fflush(stdin);
MMG_FSCANF(stdin,"%127s",namein);
if ( !MMG3D_Set_inputMeshName(mesh,namein) )
return 0;
}
if ( mesh->nameout == NULL ) {
if ( !MMG3D_Set_outputMeshName(mesh,"") )
return 0;
}
/* adp mode: if the metric name has been stored in sol, move it in met */
if ( met->namein==NULL && sol && sol->namein && !(mesh->info.iso || mesh->info.lag>=0) ) {
if ( !MMG3D_Set_inputSolName(mesh,met,sol->namein) )
return 0;
MMG5_DEL_MEM(mesh,sol->namein);
}
/* default : store solution (resp. displacement) name in iso
* (resp. lagrangian) mode, metric name otherwise */
tmp = ( mesh->info.iso || mesh->info.lag >=0 ) ? sol : met;
assert ( tmp );
if ( tmp->namein == NULL ) {
if ( !MMG3D_Set_inputSolName(mesh,tmp,"") ) { return 0; }
}
if ( met->nameout == NULL ) {
if ( !MMG3D_Set_outputSolName(mesh,met,"") )
return 0;
}
return 1;
}
int MMG3D_parsop(MMG5_pMesh mesh,MMG5_pSol met) {
float fp1,fp2,hausd;
int ref,i,j,ret,npar,nbr,br,rin,rex,split;
char *ptr,buf[256],data[256];
FILE *in;
fpos_t position;
/* check for parameter file */
strcpy(data,mesh->namein);
ptr = strstr(data,".mesh");
if ( ptr ) *ptr = '\0';
strcat(data,".mmg3d");
in = fopen(data,"rb");
if ( !in ) {
strcat(data,".mmg3d5");
in = fopen(data,"rb");
if ( !in ) {
sprintf(data,"%s","DEFAULT.mmg3d");
in = fopen(data,"rb");
if ( !in ) {
sprintf(data,"%s","DEFAULT.mmg3d5");
in = fopen(data,"rb");
if ( !in ) {
return 1;
}
}
}
}
if ( mesh->info.imprim >= 0 )
fprintf(stdout,"\n %%%% %s OPENED\n",data);
/* read parameters */
while ( !feof(in) ) {
/* scan line */
ret = fscanf(in,"%255s",data);
if ( !ret || feof(in) ) break;
for (i=0; i<strlen(data); i++) data[i] = tolower(data[i]);
/* Read user-defined references for the LS mode */
if ( !strcmp(data,"lsreferences") ) {
ret = fscanf(in,"%d",&npar);
if ( !ret ) {
fprintf(stderr," %%%% Wrong format for lsreferences: %d\n",npar);
return 0;
}
if ( !MMG3D_Set_iparameter(mesh,met,MMG3D_IPARAM_numberOfMat,npar) ) {
return 0;
}
for (i=0; i<mesh->info.nmat; i++) {
MMG_FSCANF(in,"%d",&ref);
fgetpos(in,&position);
MMG_FSCANF(in,"%255s",data);
split = MMG5_MMAT_NoSplit;
rin = rex = ref;
if ( strcmp(data,"nosplit") ) {
fsetpos(in,&position);
split = MMG5_MMAT_Split;
MMG_FSCANF(in,"%d",&rin);
MMG_FSCANF(in,"%d",&rex);
}
if ( !MMG3D_Set_multiMat(mesh,met,ref,split,rin,rex) ) {
return 0;
}
}
}
/* Read user-defined local parameters and store them in the structure info->par */
else if ( !strcmp(data,"parameters") ) {
ret = fscanf(in,"%d",&npar);
if ( !ret ) {
fprintf(stderr," %%%% Wrong format for parameters: %d\n",npar);
return 0;
}
if ( !MMG3D_Set_iparameter(mesh,met,MMG3D_IPARAM_numberOfLocalParam,npar) ) {
return 0;
}
for (i=0; i<mesh->info.npar; i++) {
ret = fscanf(in,"%d %255s ",&ref,buf);
if ( ret )
ret = fscanf(in,"%f %f %f",&fp1,&fp2,&hausd);
if ( !ret ) {
fprintf(stderr," %%%% Wrong format: %s\n",buf);
return 0;
}
for (j=0; j<strlen(buf); j++) buf[j] = tolower(buf[j]);
if ( (!strcmp(buf,"triangles") || !strcmp(buf,"triangle")) ) {
if ( !MMG3D_Set_localParameter(mesh,met,MMG5_Triangle,ref,fp1,fp2,hausd) ) {
return 0;
}
}
else if ( !strcmp(buf,"tetrahedra") || !strcmp(buf,"tetrahedron") ) {
if ( !MMG3D_Set_localParameter(mesh,met,MMG5_Tetrahedron,ref,fp1,fp2,hausd) ) {
return 0;
}
}
else {
fprintf(stderr," %%%% Wrong format: %s\n",buf);
return 0;
}
}
}
else if ( !strcmp(data,"lsbasereferences") ) {
MMG_FSCANF(in,"%d",&nbr);
if ( !MMG3D_Set_iparameter(mesh,met,MMG3D_IPARAM_numberOfLSBaseReferences,nbr) )
return 0;
for (i=0; i<mesh->info.nbr; i++) {
MMG_FSCANF(in,"%d",&br);
mesh->info.br[i] = br;
}
}
}
fclose(in);
return 1;
}
int MMG3D_freeLocalPar(MMG5_pMesh mesh) {
free(mesh->info.par);
mesh->info.npar = 0;
return 1;
}
int MMG3D_Get_numberOfNonBdyTriangles(MMG5_pMesh mesh, int* nb_tria) {
MMG5_pTetra pt,pt1;
MMG5_pPrism pp;
MMG5_pTria ptt;
MMG5_Hash hash;
int *adja,ref,k,i,j,iel;
*nb_tria = 0;
memset ( &hash, 0x0, sizeof(MMG5_Hash));
if ( !mesh->tetra ) {
/* No triangle at all */
return 1;
}
/** First step: Mesh analysis to detect the tetra/prisms boundary faces and to
* store the info in the xtetra/xprisms structures */
if ( !mesh->adja ) {
/* create tetra adjacency */
if ( !MMG3D_hashTetra( mesh,0 ) ) {
fprintf(stderr,"\n ## Error: %s: unable to create "
"adjacency table.\n",__func__);
return 0;
}
}
if ( !mesh->adjapr ) {
/* create prism adjacency */
if ( !MMG3D_hashPrism(mesh) ) {
fprintf(stderr,"\n ## Error: %s: Prism hashing problem.\n",__func__);
return 0;
}
}
/* If mesh->xtetra is filled, we assume that the surface analysis is
* complete */
if ( !mesh->xtetra ) {
/* compatibility triangle orientation w/r tetras */
if ( !MMG5_bdryPerm(mesh) ) {
fprintf(stderr,"\n ## Error: %s: Boundary orientation problem.\n",__func__);
return 0;
}
/* identify surface mesh */
if ( !MMG5_chkBdryTria(mesh) ) {
fprintf(stderr,"\n ## Error: %s: Boundary problem.\n",__func__);
return 0;
}
MMG5_freeXTets(mesh);
MMG5_freeXPrisms(mesh);
/* create surface adjacency */
if ( !MMG3D_hashTria(mesh,&hash) ) {
MMG5_DEL_MEM(mesh,hash.item);
fprintf(stderr,"\n ## Error: %s: Hashing problem.\n",__func__);
return 0;
}
/* identify connexity and flip orientation of faces if needed */
if ( !MMG5_setadj(mesh) ) {
fprintf(stderr,"\n ## Error: %s: Topology problem.\n",__func__);
MMG5_DEL_MEM(mesh,hash.item);
return 0;
}
/* set bdry entities to tetra and fill the orientation field */
if ( !MMG5_bdrySet(mesh) ) {
MMG5_DEL_MEM(mesh,hash.item);
fprintf(stderr,"\n ## Error: %s: Boundary problem.\n",__func__);
return 0;
}
MMG5_DEL_MEM(mesh,hash.item);
}
/** Second step: Count the number of non boundary faces */
for ( k=1; k<=mesh->ne; k++ ) {
pt = &mesh->tetra[k];
if ( !MG_EOK(pt) ) continue;
adja = &mesh->adja[4*(k-1)+1];
for ( i=0; i<4; i++ ) {
iel = adja[i] / 4;
assert ( iel != k );
pt1 = &mesh->tetra[iel];
if ( (!iel) || (pt->ref != pt1->ref) ||
(mesh->info.opnbdy && pt->xt &&
(mesh->xtetra[pt->xt].ftag[i] & MG_BDY) ) ) {
/* Do not treat boundary faces */
continue;
}
if ( k < iel ) {
/* Treat face from the tetra with lowest index */
++(*nb_tria);
}
}
}
for ( k=1; k<=mesh->nprism; k++ ) {
pp = &mesh->prism[k];
if ( !MG_EOK(pp) ) continue;
adja = &mesh->adjapr[5*(k-1)+1];
for ( i=0; i<2; i++ ) {
iel = adja[i] / 5;
if ( iel<0 ) {
ref = mesh->tetra[abs(iel)].ref;
} else {
ref = mesh->prism[iel].ref;
}
if ( (!iel) || (pp->ref != ref) ||
(mesh->info.opnbdy && pp->xpr &&
(mesh->xprism[pp->xpr].ftag[i] & MG_BDY) ) ) {
/* Do not treat boundary faces */
continue;
}
if ( k < iel ) {
/* Treat face from the element with lowest index */
++(*nb_tria);
}
}
}
if ( !(*nb_tria) ) {
return 1;
}
/** Third step: Append the non boundary edges to the boundary edges array */
if ( mesh->nt ) {
MMG5_ADD_MEM(mesh,(*nb_tria)*sizeof(MMG5_Tria),"non boundary triangles",
printf(" Exit program.\n");
MMG5_DEL_MEM(mesh,hash.item);
return 0);
MMG5_SAFE_RECALLOC(mesh->tria,(mesh->nt+1),(mesh->nt+(*nb_tria)+1),
MMG5_Tria,"non bdy tria arrray",return 0);
}
else {
MMG5_ADD_MEM(mesh,((*nb_tria)+1)*sizeof(MMG5_Tria),"non boundary triangles",
printf(" Exit program.\n");
MMG5_DEL_MEM(mesh,hash.item);
return 0);
MMG5_SAFE_RECALLOC(mesh->tria,0,((*nb_tria)+1),
MMG5_Tria,"non bdy tria arrray",return 0);
}
j = mesh->nt+1;
for ( k=1; k<=mesh->ne; k++ ) {
pt = &mesh->tetra[k];
if ( !MG_EOK(pt) ) continue;
adja = &mesh->adja[4*(k-1)+1];
for ( i=0; i<4; i++ ) {
iel = adja[i] / 4;
assert ( iel != k );
pt1 = &mesh->tetra[iel];
if ( (!iel) || (pt->ref != pt1->ref) ||
(mesh->info.opnbdy && pt->xt &&
(mesh->xtetra[pt->xt].ftag[i] & MG_BDY)) ) {
/* Do not treat boundary faces */
continue;
}
if ( k < iel ) {
/* Treat edge from the triangle with lowest index */
ptt = &mesh->tria[j++];
assert ( ptt );
ptt->v[0] = pt->v[MMG5_idir[i][0]];
ptt->v[1] = pt->v[MMG5_idir[i][1]];
ptt->v[2] = pt->v[MMG5_idir[i][2]];
ptt->ref = mesh->xtetra[pt->xt].ref[i];
}
}
}
for ( k=1; k<=mesh->nprism; k++ ) {
pp = &mesh->prism[k];
if ( !MG_EOK(pp) ) continue;
adja = &mesh->adjapr[5*(k-1)+1];
for ( i=0; i<2; i++ ) {
iel = adja[i] / 5;
if ( iel<0 ) {
ref = mesh->tetra[abs(iel)].ref;
} else {
ref = mesh->prism[iel].ref;
}
if ( (!iel) || (pp->ref != ref) ||
(mesh->info.opnbdy && pp->xpr &&
(mesh->xprism[pp->xpr].ftag[i] & MG_BDY)) ) {
/* Do not treat boundary faces */
continue;
}
if ( k < iel ) {
/* Treat edge from the triangle with lowest index */
ptt = &mesh->tria[j++];
assert ( ptt );
ptt->v[0] = pp->v[MMG5_idir_pr[i][0]];
ptt->v[1] = pp->v[MMG5_idir_pr[i][1]];
ptt->v[2] = pp->v[MMG5_idir_pr[i][2]];
ptt->ref = mesh->xprism[pp->xpr].ref[i];
}
}
}
return 1;
}
int MMG3D_Get_nonBdyTriangle(MMG5_pMesh mesh,int* v0,int* v1,int* v2,
int* ref,int idx) {
MMG5_pTria ptt;
size_t nt_tot=0;
char *ptr_c = (char*)mesh->tria;
if ( !mesh->tria ) {
fprintf(stderr,"\n ## Error: %s: triangle array is not allocated.\n"
" Please, call the MMG3D_Get_numberOfNonBdyTriangles function"
" before the %s one.\n",
__func__,__func__);
return 0;
}
ptr_c = ptr_c-sizeof(size_t);
nt_tot = *((size_t*)ptr_c);
if ( mesh->nt==nt_tot ) {
fprintf(stderr,"\n ## Error: %s: no internal triangle.\n"
" Please, call the MMG3D_Get_numberOfNonBdyTriangles function"
" before the %s one and check that the number of internal"
" triangles is non null.\n",
__func__,__func__);
}
if ( mesh->nt+idx > nt_tot ) {
fprintf(stderr,"\n ## Error: %s: Can't get the internal triangle of index %d."
" Index must be between 1 and %zu.\n",
__func__,idx,nt_tot-mesh->nt);
}
ptt = &mesh->tria[mesh->nt+idx];
*v0 = ptt->v[0];
*v1 = ptt->v[1];
*v2 = ptt->v[2];
if ( ref != NULL ) {
*ref = ptt->ref;
}
return 1;
}
int MMG3D_stockOptions(MMG5_pMesh mesh, MMG5_Info *info) {
memcpy(&mesh->info,info,sizeof(MMG5_Info));
MMG3D_memOption(mesh);
if( mesh->info.mem > 0) {
if((mesh->npmax < mesh->np || mesh->ntmax < mesh->nt || mesh->nemax < mesh->ne)) {
return 0;
} else if(mesh->info.mem < 39)
return 0;
}
return 1;
}
void MMG3D_destockOptions(MMG5_pMesh mesh, MMG5_Info *info) {
memcpy(info,&mesh->info,sizeof(MMG5_Info));
return;
}
int MMG3D_mmg3dcheck(MMG5_pMesh mesh,MMG5_pSol met,MMG5_pSol sol,double critmin, double lmin,
double lmax, int *eltab,int8_t metRidTyp) {
mytime ctim[TIMEMAX];
int ier;
char stim[32];
MMG3D_Set_commonFunc();
/** Free topologic tables (adja, xpoint, xtetra) resulting from a previous
* run */
MMG3D_Free_topoTables(mesh);
signal(SIGABRT,MMG5_excfun);
signal(SIGFPE,MMG5_excfun);
signal(SIGILL,MMG5_excfun);
signal(SIGSEGV,MMG5_excfun);
signal(SIGTERM,MMG5_excfun);
signal(SIGINT,MMG5_excfun);
tminit(ctim,TIMEMAX);
chrono(ON,&(ctim[0]));
/* Check options */
if ( mesh->info.lag > -1 ) {
fprintf(stderr,"\n ## Error: lagrangian mode unavailable (MMG3D_IPARAM_lag):\n"
" You must call the MMG3D_mmg3dmov function to move a rigidbody.\n");
_LIBMMG5_RETURN(mesh,met,sol,MMG5_STRONGFAILURE);
}
else if ( mesh->info.iso ) {
fprintf(stderr,"\n ## Error: level-set discretisation unavailable"
" (MMG3D_IPARAM_iso):\n"
" You must call the MMG3D_mmg3dmov function to use this option.\n");
_LIBMMG5_RETURN(mesh,met,sol,MMG5_STRONGFAILURE);
}
#ifdef USE_SCOTCH
MMG5_warnScotch(mesh);
#endif
if ( mesh->info.imprim > 0 ) fprintf(stdout,"\n -- MMG3DLIB: INPUT DATA\n");
/* load data */