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// -------------------------------------------------------------------
// MAdLib - Copyright (C) 2008-2009 Universite catholique de Louvain
//
// See the Copyright.txt and License.txt files for license information.
// You should have received a copy of these files along with MAdLib.
// If not, see <http://www.madlib.be/license/>
//
// Please report all bugs and problems to <contrib@madlib.be>
//
// Authors: Gaetan Compere, Jean-Francois Remacle
// -------------------------------------------------------------------
#include "BackgroundSF.h"
#include "IsoMeshSize.h"
#include "MAdDefines.h"
#include <math.h>
#include <cmath>
#include <string.h>
#include <map>
namespace MAd {
// -------------------------------------------------------------------
BackgroundSF::BackgroundSF(std::string _name):
SizeFieldBase(_name), bgModel(NULL), bgMesh(NULL)
{
pMSizeFieldId = MD_newMeshDataId("");
}
// -------------------------------------------------------------------
BackgroundSF::~BackgroundSF()
{
MD_deleteMeshDataId(pMSizeFieldId);
if ( bgMesh ) M_delete(bgMesh);
if ( bgModel ) GM_delete(bgModel);
}
// -------------------------------------------------------------------
void BackgroundSF::setSize(pEntity ent, double h)
{
pMSize pS = new IsoMeshSize(h);
setSize(ent,pS);
}
// -------------------------------------------------------------------
void BackgroundSF::setSize(pEntity pEnt, pMSize pS)
{
void * temp;
if( EN_getDataPtr(pEnt,pMSizeFieldId,&temp) ) {
delete (pMSize)temp;
EN_modifyDataPtr(pEnt,pMSizeFieldId,pS);
}
else {
EN_attachDataPtr(pEnt,pMSizeFieldId,pS);
}
}
// -------------------------------------------------------------------
// GC warning: very low implementation: should use octrees
pMSize BackgroundSF::getSize(const pVertex pv) const
{
if ( M_dim(bgMesh) < 3 ) {
MAdMsgSgl::instance().error(__LINE__,__FILE__,
"Background size fields not implemented for dim < 3");
}
double xyz[3];
V_coord(pv,xyz);
pRegion pr;
pRegion rBest = NULL;
{
RIter rit = M_regionIter(bgMesh);
while( ( pr = RIter_next(rit) ) )
{
if ( !R_inBox(pr,xyz,1.e-6) ) continue;
if ( !R_contains(pr,xyz,1.e-6) ) continue;
rBest = pr;
break;
}
RIter_delete(rit);
}
if ( !rBest ) {
double best = 1.e12;
double tmp[4], tmp2;
RIter rit = M_regionIter(bgMesh);
while( ( pr = RIter_next(rit) ) )
{
R_linearParams(pr,xyz,tmp);
tmp[3] = 1. - tmp[0] - tmp[1] - tmp[2];
double mi = std::min(tmp[0],std::min(tmp[1],std::min(tmp[2],tmp[3])));
double ma = std::max(tmp[0],std::max(tmp[1],std::max(tmp[2],tmp[3])));
tmp2 = 0.;
if ( mi < 0. ) tmp2 = std::abs(mi);
if ( ma > 1. ) tmp2 = std::max(tmp2,ma-1.);
if ( tmp2 < best ) {
best = tmp2;
rBest = pr;
}
}
RIter_delete(rit);
}
void * temp;
if( EN_getDataPtr((pEntity)rBest,pMSizeFieldId,&temp) ) {
return MS_copy((pMSize)temp);
}
return NULL;
}
// -------------------------------------------------------------------
void BackgroundSF::loadData(std::string mshName)
{
GM_create(&bgModel,"bgModel");
bgMesh = M_new(bgModel);
M_load(bgMesh,mshName.c_str());
FILE * fp = fopen(mshName.c_str(),"r");
if(!fp) {
MAdMsgSgl::instance().error(__LINE__,__FILE__,
"Unknown file %s",mshName.c_str());
}
#ifdef PARALLEL
MAdMsgSgl::instance().error(__LINE__,__FILE__,
"Set sizes from file not implemented in parallel");
#endif
char str[256] = "XXX";
double version = 1.0;
std::map<int,pEntity> elId;
while(1) {
while(str[0] != '$') {
if(!fgets(str, sizeof(str), fp) || feof(fp)) {
MAdMsgSgl::instance().error(__LINE__,__FILE__,
"No data section found in file %s",
mshName.c_str());
}
}
if(!strncmp(&str[1], "MeshFormat", 10)) {
if(!fgets(str, sizeof(str), fp)) throw;
int format, size;
if(sscanf(str, "%lf %d %d", &version, &format, &size) != 3) throw;
}
else if(!strncmp(&str[1], "ELM", 3) || !strncmp(&str[1], "Elements", 8)) {
if(!fgets(str, sizeof(str), fp)) throw;
int numElements;
sscanf(str, "%d", &numElements);
for(int i = 0; i < numElements; i++) {
int num, type, physical = 0, elementary = 0, partition = 0, numV;
if(version <= 1.0){
fscanf(fp, "%d %d %d %d %d", &num, &type, &physical, &elementary, &numV);
}
else{
int numTags;
fscanf(fp, "%d %d %d", &num, &type, &numTags);
// printf("%d %d %d\n", num, type, numTags);
// getchar();
for(int j = 0; j < numTags; j++){
int tag;
fscanf(fp, "%d", &tag);
if(j == 0) physical = tag;
else if(j == 1) elementary = tag;
else if(j == 2) partition = tag;
// ignore any other tags for now
}
if (type == 15) numV = 1;
else if (type == 1) numV = 2;
else if (type == 2) numV = 3;
else if (type == 3) numV = 4;
else if (type == 4) numV = 4;
else throw;
}
int indices[60];
for(int j = 0; j < numV; j++) fscanf(fp, "%d", &indices[j]);
if ( M_dim(bgMesh) == 3 && type == 4 ){
pRegion pr = M_region( bgMesh, indices );
if ( !pr ) printf("didn't find element with nodes %d %d %d %d\n",indices[0],indices[1],indices[2],indices[3]);
elId[num] = (pEntity)pr;
}
else if ( M_dim(bgMesh) == 2 && type == 2 ){
pFace pf = M_face( bgMesh, indices );
elId[num] = (pEntity)pf;
}
}
}
// else if(!strncmp(&str[1], "NodeData", 8)) {
// int numStringTags;
// fscanf(fp,"%d\n",&numStringTags);
// char dummy[256];
// for (int i=0;i<numStringTags;i++){
// fgets(dummy,256,fp);
// }
// int numDoubleTags;
// fscanf(fp,"%d\n",&numDoubleTags);
// for (int i=0;i<numDoubleTags;i++){
// fgets(dummy,256,fp);
// }
// int numIntTags;
// fscanf(fp,"%d\n",&numIntTags);
// int numDataVertices;
// for (int i=0;i<numIntTags;i++){
// if (i == 2)fscanf(fp,"%d",&numDataVertices);
// else fgets(dummy,256,fp);
// }
// if ( M_numVertices(bgMesh) != numDataVertices ) {
// MAdMsgSgl::instance().error(__LINE__,__FILE__,
// "Data available for %d vertices in file %s while there are %d vertices in the mesh",
// numDataVertices, mshName.c_str(),
// M_numVertices(bgMesh));
// }
// for (int i=0; i<numDataVertices; i++) {
// double dData;
// int vId;
// fscanf(fp,"%d %lf",&vId,&dData);
// setSize(vId,dData);
// }
// break;
// }
else if(!strncmp(&str[1], "ElementData", 11)) {
int numStringTags;
fscanf(fp,"%d\n",&numStringTags);
char dummy[256];
for (int i=0;i<numStringTags;i++){
fgets(dummy,256,fp);
}
int numDoubleTags;
fscanf(fp,"%d\n",&numDoubleTags);
for (int i=0;i<numDoubleTags;i++){
fgets(dummy,256,fp);
}
int numIntTags;
fscanf(fp,"%d\n",&numIntTags);
int numDataEl;
for (int i=0;i<numIntTags;i++){
if (i == 2)fscanf(fp,"%d",&numDataEl);
else fgets(dummy,256,fp);
}
int nElem = M_numRegions(bgMesh);
if ( !nElem ) nElem = M_numFaces(bgMesh);
if ( nElem != numDataEl ) {
MAdMsgSgl::instance().error(__LINE__,__FILE__,
"Data available for %d elements in file %s while there are %d elements in the mesh",
numDataEl, mshName.c_str(), nElem );
}
for (int i=0; i<nElem; i++) {
double dData;
int eId;
fscanf(fp,"%d %lf",&eId,&dData);
pEntity pe = elId[eId];
setSize(pe,dData);
}
break;
}
do {
if(!fgets(str, sizeof(str), fp) || feof(fp)) {
MAdMsgSgl::instance().error(__LINE__,__FILE__,
"No data section found in file %s",
mshName.c_str());
}
} while(str[0] != '$');
}
fclose(fp);
}
// -------------------------------------------------------------------
void BackgroundSF::redistributeToVertices()
{
VIter vIter = M_vertexIter(bgMesh);
while( pVertex pV = VIter_next(vIter) )
{
pPList vRegs = V_regions(pV);
void * tmp = NULL;
pRegion pr;
void * ms;
double h = 0.;
int count = 0;
while ( ( pr = (pRegion)PList_next(vRegs,&tmp) ) ) {
EN_getDataPtr( (pEntity)pr, pMSizeFieldId, &ms);
if ( !ms ) {
MAdMsgSgl::instance().error(__LINE__,__FILE__,
"No size defined for an entity");
}
h += ((pMSize)ms)->getMeanLength();
count++;
}
PList_delete(vRegs);
h /= (double)count;
setSize((pEntity)pV,h);
}
VIter_delete(vIter);
}
// -------------------------------------------------------------------
}
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