int GModel::writeGEO(const std::string &name, bool printLabels, bool onlyPhysicals)
{
FILE *fp = Fopen(name.c_str(), "w");
std::map<double, std::string> meshSizeParameters;
int cpt = 0;
for(viter it = firstVertex(); it != lastVertex(); it++){
double val = (*it)->prescribedMeshSizeAtVertex();
if(meshSizeParameters.find(val) == meshSizeParameters.end()){
std::ostringstream paramName;
paramName << "cl__" << ++cpt;
fprintf(fp, "%s = %.16g;\n", paramName.str().c_str(),val);
meshSizeParameters.insert(std::make_pair(val, paramName.str()));
}
}
for(viter it = firstVertex(); it != lastVertex(); it++){
double val = (*it)->prescribedMeshSizeAtVertex();
if(!onlyPhysicals || !skipVertex(*it))
(*it)->writeGEO(fp, meshSizeParameters[val]);
}
for(eiter it = firstEdge(); it != lastEdge(); it++){
if(!onlyPhysicals || !skipEdge(*it))
(*it)->writeGEO(fp);
}
for(fiter it = firstFace(); it != lastFace(); it++){
if(!onlyPhysicals || !skipFace(*it))
(*it)->writeGEO(fp);
}
for(riter it = firstRegion(); it != lastRegion(); it++){
if(!onlyPhysicals || !skipRegion(*it))
(*it)->writeGEO(fp);
}
std::map<int, std::string> labels;
#if defined(HAVE_PARSER)
// get "old-style" labels from parser
for(std::map<std::string, gmsh_yysymbol>::iterator it = gmsh_yysymbols.begin();
it != gmsh_yysymbols.end(); ++it)
for(unsigned int i = 0; i < it->second.value.size(); i++)
labels[(int)it->second.value[i]] = it->first;
#endif
std::map<int, std::vector<GEntity*> > groups[4];
getPhysicalGroups(groups);
for(int i = 0; i < 4; i++)
std::for_each(groups[i].begin(), groups[i].end(),
writePhysicalGroupGEO(fp, i, printLabels, labels, physicalNames));
std::for_each(getFields()->begin(), getFields()->end(), writeFieldGEO(fp));
if(getFields()->getBackgroundField() > 0)
fprintf(fp, "Background Field = %i;\n", getFields()->getBackgroundField());
if(fp) fclose(fp);
return 1;
}
/**
* 深度遍历一个顶点(!!!只遍历一个顶点)
* @param G [description]
* @param i [遍历开始的顶点]
* @param visited [存放已经遍历过的点(初始化为0)]
*/
void DFSVertex(MGraph G, int i, int *visited)
{
printf("%c ", G.vertexs[i]);
visited[i] = 1;
// 首先找到出发点的一个邻接顶点
for(int w = firstVertex(G, i); w >= 0; w = nextVertex(G, i, w))
{
// 如果没有被访问，继续访问得到这个点的邻接点
// 如果已经被访问过了，就跳过这个点搜索下一个点
if(!visited[w])
DFSVertex(G, w, visited);
}
}
/**
* 广度优先搜索(类似于树的层次遍历)
* @param G [description]
*/
void BFSTraverse(MGraph G)
{
/*
* 定义一个队列存储已经遍历过的节点，等待取出来作为下一次遍历的初始节点
*/
int queue[MAX] = {0};
int head = 0;
int rear = 0;
int visited[MAX];
for(int i = 0; i < G.vertexNum; i++)
{
visited[i] = 0;
}
printf("BFS: ");
// 遍历全部节点，每一次选取一个节点作为广度搜索的初始节点
for(int i = 0; i < G.vertexNum; i++)
{
if(!visited[i])
{
visited[i] = 1;
printf("%c ", G.vertexs[i]);
// 将未发现的节点入队
queue[rear++] = i;
}
while(head != rear)
{
// 取出遍历过的节点作为出发节点
int j = queue[head++];
for(int k = firstVertex(G, j); k >= 0; k = nextVertex(G, j, k))
{
if(!visited[k])
{
visited[k] = 1;
printf("%c ", G.vertexs[k]);
queue[rear++] = k;
}
}
}
}
printf("\n");
}
int GModel::writeKEY(const std::string &name, int saveAll,
int saveGroupsOfNodes, double scalingFactor)
{
FILE *fp = Fopen(name.c_str(), "w");
if(!fp) {
Msg::Error("Unable to open file '%s'", name.c_str());
return 0;
}
if(noPhysicalGroups()) saveAll = 0x51;
indexMeshVertices(saveAll & 0x51);
std::vector<GEntity *> entities;
getEntities(entities);
fprintf(fp, "$# LS-DYNA Keyword file created by Gmsh\n*KEYWORD\n*TITLE\n");
fprintf(fp, " %s\n", name.c_str());
fprintf(fp, "*NODE\n");
for(std::size_t i = 0; i < entities.size(); i++)
for(std::size_t j = 0; j < entities[i]->mesh_vertices.size(); j++)
entities[i]->mesh_vertices[j]->writeKEY(fp, scalingFactor);
if(!(saveAll & 0x2)) // save or ignore Vertex, not in GUI
for(viter it = firstVertex(); it != lastVertex(); ++it) {
writeElementsKEY(fp, *it, (*it)->points, saveAll & 0x1);
}
if(!(saveAll & 0x8)) // save or ignore line
for(eiter it = firstEdge(); it != lastEdge(); ++it) {
writeElementsKEY(fp, *it, (*it)->lines, saveAll & 0x4);
}
if(!(saveAll & 0x20)) // save or ignore surface
for(fiter it = firstFace(); it != lastFace(); ++it) {
writeElementsKEY(fp, *it, (*it)->triangles, saveAll & 0x10);
writeElementsKEY(fp, *it, (*it)->quadrangles, saveAll & 0x10);
}
if(!(saveAll & 0x80)) // save or ignore surface
for(riter it = firstRegion(); it != lastRegion(); ++it) {
writeElementsKEY(fp, *it, (*it)->tetrahedra, saveAll & 0x40);
writeElementsKEY(fp, *it, (*it)->hexahedra, saveAll & 0x40);
writeElementsKEY(fp, *it, (*it)->prisms, saveAll & 0x40);
writeElementsKEY(fp, *it, (*it)->pyramids, saveAll & 0x40);
}
std::map<int, std::vector<GEntity *> > groups[4];
getPhysicalGroups(groups);
int setid = 0;
// save elements sets for each physical group
if(saveGroupsOfNodes & 0x2) {
for(int dim = 0; dim <= 3; dim++) {
if(saveAll & (0x2 << (2 * dim))) continue; // elements are ignored
for(std::map<int, std::vector<GEntity *> >::iterator it =
groups[dim].begin();
it != groups[dim].end(); it++) {
std::vector<GEntity *> &entities = it->second;
int n = 0;
for(std::size_t i = 0; i < entities.size(); i++) {
for(std::size_t j = 0; j < entities[i]->getNumMeshElements(); j++) {
MElement *e = entities[i]->getMeshElement(j);
if(!n) {
const char *str = (e->getDim() == 3) ?
"SOLID" :
(e->getDim() == 2) ?
"SHELL" :
(e->getDim() == 1) ? "BEAM" : "NODE";
fprintf(fp, "*SET_%s_LIST\n$# %s\n%d", str,
physicalName(this, dim, it->first).c_str(), ++setid);
}
if(!(n % 8))
fprintf(fp, "\n%lu", e->getNum());
else
fprintf(fp, ", %lu", e->getNum());
n++;
}
}
if(n) fprintf(fp, "\n");
}
}
}
// save node sets for each physical group, for easier load/b.c.
if(saveGroupsOfNodes & 0x1) {
for(int dim = 1; dim <= 3; dim++) {
for(std::map<int, std::vector<GEntity *> >::iterator it =
groups[dim].begin();
it != groups[dim].end(); it++) {
std::set<MVertex *> nodes;
std::vector<GEntity *> &entities = it->second;
for(std::size_t i = 0; i < entities.size(); i++) {
for(std::size_t j = 0; j < entities[i]->getNumMeshElements(); j++) {
MElement *e = entities[i]->getMeshElement(j);
for(std::size_t k = 0; k < e->getNumVertices(); k++)
nodes.insert(e->getVertex(k));
}
}
fprintf(fp, "*SET_NODE_LIST\n$# %s\n%d",
physicalName(this, dim, it->first).c_str(), ++setid);
int n = 0;
for(std::set<MVertex *>::iterator it2 = nodes.begin();
it2 != nodes.end(); it2++) {
if(!(n % 8))
fprintf(fp, "\n%ld", (*it2)->getIndex());
else
fprintf(fp, ", %ld", (*it2)->getIndex());
n++;
}
if(n) fprintf(fp, "\n");
}
}
}
fprintf(fp, "*END\n");
fclose(fp);
return 1;
}
int GModel::exportDiscreteGEOInternals()
{
if(_geo_internals) delete _geo_internals;
_geo_internals = new GEO_Internals;
for(viter it = firstVertex(); it != lastVertex(); it++){
Vertex *v = Create_Vertex((*it)->tag(), (*it)->x(), (*it)->y(), (*it)->z(),
(*it)->prescribedMeshSizeAtVertex(), 1.0);
Tree_Add(this->getGEOInternals()->Points, &v);
}
for(eiter it = firstEdge(); it != lastEdge(); it++){
if((*it)->geomType() == GEntity::DiscreteCurve){
Curve *c = Create_Curve((*it)->tag(), MSH_SEGM_DISCRETE, 1,
NULL, NULL, -1, -1, 0., 1.);
List_T *points = Tree2List(_geo_internals->Points);
GVertex *gvb = (*it)->getBeginVertex();
GVertex *gve = (*it)->getEndVertex();
int nb = 2 ;
c->Control_Points = List_Create(nb, 1, sizeof(Vertex *));
for(int i = 0; i < List_Nbr(points); i++) {
Vertex *v;
List_Read(points, i, &v);
if (v->Num == gvb->tag()) {
List_Add(c->Control_Points, &v);
c->beg = v;
}
if (v->Num == gve->tag()) {
List_Add(c->Control_Points, &v);
c->end = v;
}
}
End_Curve(c);
Tree_Add(this->getGEOInternals()->Curves, &c);
CreateReversedCurve(c);
List_Delete(points);
}
}
for(fiter it = firstFace(); it != lastFace(); it++){
if((*it)->geomType() == GEntity::DiscreteSurface){
Surface *s = Create_Surface((*it)->tag(), MSH_SURF_DISCRETE);
std::list<GEdge*> edges = (*it)->edges();
s->Generatrices = List_Create(edges.size(), 1, sizeof(Curve *));
List_T *curves = Tree2List(_geo_internals->Curves);
Curve *c;
for(std::list<GEdge*>::iterator ite = edges.begin(); ite != edges.end(); ite++){
for(int i = 0; i < List_Nbr(curves); i++) {
List_Read(curves, i, &c);
if (c->Num == (*ite)->tag()) {
List_Add(s->Generatrices, &c);
}
}
}
Tree_Add(this->getGEOInternals()->Surfaces, &s);
List_Delete(curves);
}
}
// TODO: create Volumes from discreteRegions
Msg::Debug("Geo internal model has:");
Msg::Debug("%d Vertices", Tree_Nbr(_geo_internals->Points));
Msg::Debug("%d Edges", Tree_Nbr(_geo_internals->Curves));
Msg::Debug("%d Faces", Tree_Nbr(_geo_internals->Surfaces));
return 1;
}
int GModel::readMED(const std::string &name)
{
med_idt fid = MEDouvrir((char*)name.c_str(), MED_LECTURE);
if(fid < 0) {
Msg::Error("Unable to open file '%s'", name.c_str());
return 0;
}
med_int v[3], vf[3];
MEDversionDonner(&v[0], &v[1], &v[2]);
MEDversionLire(fid, &vf[0], &vf[1], &vf[2]);
Msg::Info("Reading MED file V%d.%d.%d using MED library V%d.%d.%d",
vf[0], vf[1], vf[2], v[0], v[1], v[2]);
if(vf[0] < 2 || (vf[0] == 2 && vf[1] < 2)){
Msg::Error("Cannot read MED file older than V2.2");
return 0;
}
std::vector<std::string> meshNames;
for(int i = 0; i < MEDnMaa(fid); i++){
char meshName[MED_TAILLE_NOM + 1], meshDesc[MED_TAILLE_DESC + 1];
med_int spaceDim;
med_maillage meshType;
#if (MED_MAJOR_NUM == 3)
med_int meshDim, nStep;
char dtUnit[MED_SNAME_SIZE + 1];
char axisName[3 * MED_SNAME_SIZE + 1], axisUnit[3 * MED_SNAME_SIZE + 1];
med_sorting_type sortingType;
med_axis_type axisType;
if(MEDmeshInfo(fid, i + 1, meshName, &spaceDim, &meshDim, &meshType, meshDesc,
dtUnit, &sortingType, &nStep, &axisType, axisName, axisUnit) < 0){
#else
if(MEDmaaInfo(fid, i + 1, meshName, &spaceDim, &meshType, meshDesc) < 0){
#endif
Msg::Error("Unable to read mesh information");
return 0;
}
meshNames.push_back(meshName);
}
if(MEDfermer(fid) < 0){
Msg::Error("Unable to close file '%s'", (char*)name.c_str());
return 0;
}
int ret = 1;
for(unsigned int i = 0; i < meshNames.size(); i++){
// we use the filename as a kind of "partition" indicator, allowing to
// complete a model part by part (used e.g. in DDM, since MED does not store
// a partition index)
GModel *m = findByName(meshNames[i], name);
if(!m) m = new GModel(meshNames[i]);
ret = m->readMED(name, i);
if(!ret) return 0;
}
return ret;
}
int GModel::readMED(const std::string &name, int meshIndex)
{
med_idt fid = MEDouvrir((char*)name.c_str(), MED_LECTURE);
if(fid < 0){
Msg::Error("Unable to open file '%s'", name.c_str());
return 0;
}
int numMeshes = MEDnMaa(fid);
if(meshIndex >= numMeshes){
Msg::Info("Could not find mesh %d in MED file", meshIndex);
return 0;
}
checkPointMaxNumbers();
GModel::setCurrent(this); // make sure we increment max nums in this model
// read mesh info
char meshName[MED_TAILLE_NOM + 1], meshDesc[MED_TAILLE_DESC + 1];
med_int spaceDim, nStep = 1;
med_maillage meshType;
#if (MED_MAJOR_NUM == 3)
med_int meshDim;
char dtUnit[MED_SNAME_SIZE + 1];
char axisName[3 * MED_SNAME_SIZE + 1], axisUnit[3 * MED_SNAME_SIZE + 1];
med_sorting_type sortingType;
med_axis_type axisType;
if(MEDmeshInfo(fid, meshIndex + 1, meshName, &spaceDim, &meshDim, &meshType, meshDesc,
dtUnit, &sortingType, &nStep, &axisType, axisName, axisUnit) < 0){
#else
if(MEDmaaInfo(fid, meshIndex + 1, meshName, &spaceDim, &meshType, meshDesc) < 0){
#endif
Msg::Error("Unable to read mesh information");
return 0;
}
// FIXME: we should support multi-step MED3 meshes (probably by
// storing each mesh as a separate model, with a naming convention
// e.g. meshName_step%d). This way we could also handle multi-mesh
// time sequences in MED3.
if(nStep > 1)
Msg::Warning("Discarding %d last meshes in multi-step MED mesh", nStep - 1);
setName(meshName);
setFileName(name);
if(meshType == MED_NON_STRUCTURE){
Msg::Info("Reading %d-D unstructured mesh <<%s>>", spaceDim, meshName);
}
else{
Msg::Error("Reading structured MED meshes is not supported");
return 0;
}
med_int vf[3];
MEDversionLire(fid, &vf[0], &vf[1], &vf[2]);
// read nodes
#if (MED_MAJOR_NUM == 3)
med_bool changeOfCoord, geoTransform;
med_int numNodes = MEDmeshnEntity(fid, meshName, MED_NO_DT, MED_NO_IT, MED_NODE,
MED_NO_GEOTYPE, MED_COORDINATE, MED_NO_CMODE,
&changeOfCoord, &geoTransform);
#else
med_int numNodes = MEDnEntMaa(fid, meshName, MED_COOR, MED_NOEUD, MED_NONE,
MED_NOD);
#endif
if(numNodes < 0){
Msg::Error("Could not read number of MED nodes");
return 0;
}
if(numNodes == 0){
Msg::Error("No nodes in MED mesh");
return 0;
}
std::vector<MVertex*> verts(numNodes);
std::vector<med_float> coord(spaceDim * numNodes);
#if (MED_MAJOR_NUM == 3)
if(MEDmeshNodeCoordinateRd(fid, meshName, MED_NO_DT, MED_NO_IT, MED_FULL_INTERLACE,
&coord[0]) < 0){
#else
std::vector<char> coordName(spaceDim * MED_TAILLE_PNOM + 1);
std::vector<char> coordUnit(spaceDim * MED_TAILLE_PNOM + 1);
med_repere rep;
if(MEDcoordLire(fid, meshName, spaceDim, &coord[0], MED_FULL_INTERLACE,
MED_ALL, 0, 0, &rep, &coordName[0], &coordUnit[0]) < 0){
#endif
Msg::Error("Could not read MED node coordinates");
return 0;
}
std::vector<med_int> nodeTags(numNodes);
#if (MED_MAJOR_NUM == 3)
if(MEDmeshEntityNumberRd(fid, meshName, MED_NO_DT, MED_NO_IT, MED_NODE,
MED_NO_GEOTYPE, &nodeTags[0]) < 0)
#else
if(MEDnumLire(fid, meshName, &nodeTags[0], numNodes, MED_NOEUD, MED_NONE) < 0)
#endif
nodeTags.clear();
for(int i = 0; i < numNodes; i++)
verts[i] = new MVertex(coord[spaceDim * i],
(spaceDim > 1) ? coord[spaceDim * i + 1] : 0.,
(spaceDim > 2) ? coord[spaceDim * i + 2] : 0.,
0, nodeTags.empty() ? 0 : nodeTags[i]);
// read elements (loop over all possible MSH element types)
for(int mshType = 0; mshType < MSH_NUM_TYPE; mshType++){
med_geometrie_element type = msh2medElementType(mshType);
if(type == MED_NONE) continue;
#if (MED_MAJOR_NUM == 3)
med_bool changeOfCoord;
med_bool geoTransform;
med_int numEle = MEDmeshnEntity(fid, meshName, MED_NO_DT, MED_NO_IT, MED_CELL,
type, MED_CONNECTIVITY, MED_NODAL, &changeOfCoord,
&geoTransform);
#else
med_int numEle = MEDnEntMaa(fid, meshName, MED_CONN, MED_MAILLE, type, MED_NOD);
#endif
if(numEle <= 0) continue;
int numNodPerEle = type % 100;
std::vector<med_int> conn(numEle * numNodPerEle);
#if (MED_MAJOR_NUM == 3)
if(MEDmeshElementConnectivityRd(fid, meshName, MED_NO_DT, MED_NO_IT, MED_CELL,
type, MED_NODAL, MED_FULL_INTERLACE, &conn[0]) < 0){
#else
if(MEDconnLire(fid, meshName, spaceDim, &conn[0], MED_FULL_INTERLACE, 0, MED_ALL,
MED_MAILLE, type, MED_NOD) < 0){
#endif
Msg::Error("Could not read MED elements");
return 0;
}
std::vector<med_int> fam(numEle, 0);
#if (MED_MAJOR_NUM == 3)
if(MEDmeshEntityFamilyNumberRd(fid, meshName, MED_NO_DT, MED_NO_IT, MED_CELL,
type, &fam[0]) < 0){
#else
if(MEDfamLire(fid, meshName, &fam[0], numEle, MED_MAILLE, type) < 0){
#endif
Msg::Info("No family number for elements: using 0 as default family number");
}
std::vector<med_int> eleTags(numEle);
#if (MED_MAJOR_NUM == 3)
if(MEDmeshEntityNumberRd(fid, meshName, MED_NO_DT, MED_NO_IT, MED_CELL,
type, &eleTags[0]) < 0)
#else
if(MEDnumLire(fid, meshName, &eleTags[0], numEle, MED_MAILLE, type) < 0)
#endif
eleTags.clear();
std::map<int, std::vector<MElement*> > elements;
MElementFactory factory;
for(int j = 0; j < numEle; j++){
std::vector<MVertex*> v(numNodPerEle);
for(int k = 0; k < numNodPerEle; k++)
v[k] = verts[conn[numNodPerEle * j + med2mshNodeIndex(type, k)] - 1];
MElement *e = factory.create(mshType, v, eleTags.empty() ? 0 : eleTags[j]);
if(e) elements[-fam[j]].push_back(e);
}
_storeElementsInEntities(elements);
}
_associateEntityWithMeshVertices();
_storeVerticesInEntities(verts);
// read family info
med_int numFamilies = MEDnFam(fid, meshName);
if(numFamilies < 0){
Msg::Error("Could not read MED families");
return 0;
}
for(int i = 0; i < numFamilies; i++){
#if (MED_MAJOR_NUM == 3)
med_int numAttrib = (vf[0] == 2) ? MEDnFamily23Attribute(fid, meshName, i + 1) : 0;
med_int numGroups = MEDnFamilyGroup(fid, meshName, i + 1);
#else
med_int numAttrib = MEDnAttribut(fid, meshName, i + 1);
med_int numGroups = MEDnGroupe(fid, meshName, i + 1);
#endif
if(numAttrib < 0 || numGroups < 0){
Msg::Error("Could not read MED groups or attributes");
return 0;
}
std::vector<med_int> attribId(numAttrib + 1);
std::vector<med_int> attribVal(numAttrib + 1);
std::vector<char> attribDes(MED_TAILLE_DESC * numAttrib + 1);
std::vector<char> groupNames(MED_TAILLE_LNOM * numGroups + 1);
char familyName[MED_TAILLE_NOM + 1];
med_int familyNum;
#if (MED_MAJOR_NUM == 3)
if(vf[0] == 2){ // MED2 file
if(MEDfamily23Info(fid, meshName, i + 1, familyName, &attribId[0],
&attribVal[0], &attribDes[0], &familyNum,
&groupNames[0]) < 0){
Msg::Error("Could not read info for MED2 family %d", i + 1);
continue;
}
}
else{
if(MEDfamilyInfo(fid, meshName, i + 1, familyName, &familyNum,
&groupNames[0]) < 0){
Msg::Error("Could not read info for MED3 family %d", i + 1);
continue;
}
}
#else
if(MEDfamInfo(fid, meshName, i + 1, familyName, &familyNum, &attribId[0],
&attribVal[0], &attribDes[0], &numAttrib, &groupNames[0],
&numGroups) < 0){
Msg::Error("Could not read info for MED family %d", i + 1);
continue;
}
#endif
// family tags are unique (for all dimensions)
GEntity *ge;
if((ge = getRegionByTag(-familyNum))){}
else if((ge = getFaceByTag(-familyNum))){}
else if((ge = getEdgeByTag(-familyNum))){}
else ge = getVertexByTag(-familyNum);
if(ge){
elementaryNames[std::pair<int, int>(ge->dim(), -familyNum)] = familyName;
if(numGroups > 0){
for(int j = 0; j < numGroups; j++){
char tmp[MED_TAILLE_LNOM + 1];
strncpy(tmp, &groupNames[j * MED_TAILLE_LNOM], MED_TAILLE_LNOM);
tmp[MED_TAILLE_LNOM] = '\0';
// don't use same physical number across dimensions, as e.g. getdp
// does not support this
int pnum = setPhysicalName(tmp, ge->dim(), getMaxPhysicalNumber(-1) + 1);
if(std::find(ge->physicals.begin(), ge->physicals.end(), pnum) ==
ge->physicals.end())
ge->physicals.push_back(pnum);
}
}
}
}
// check if we need to read some post-processing data later
#if (MED_MAJOR_NUM == 3)
bool postpro = (MEDnField(fid) > 0) ? true : false;
#else
bool postpro = (MEDnChamp(fid, 0) > 0) ? true : false;
#endif
if(MEDfermer(fid) < 0){
Msg::Error("Unable to close file '%s'", (char*)name.c_str());
return 0;
}
return postpro ? 2 : 1;
}
template<class T>
static void fillElementsMED(med_int family, std::vector<T*> &elements,
std::vector<med_int> &conn, std::vector<med_int> &fam,
med_geometrie_element &type)
{
if(elements.empty()) return;
type = msh2medElementType(elements[0]->getTypeForMSH());
if(type == MED_NONE){
Msg::Warning("Unsupported element type in MED format");
return;
}
for(unsigned int i = 0; i < elements.size(); i++){
elements[i]->setVolumePositive();
for(int j = 0; j < elements[i]->getNumVertices(); j++)
conn.push_back(elements[i]->getVertex(med2mshNodeIndex(type, j))->getIndex());
fam.push_back(family);
}
}
static void writeElementsMED(med_idt &fid, char *meshName, std::vector<med_int> &conn,
std::vector<med_int> &fam, med_geometrie_element type)
{
if(fam.empty()) return;
#if (MED_MAJOR_NUM == 3)
if(MEDmeshElementWr(fid, meshName, MED_NO_DT, MED_NO_IT, 0., MED_CELL, type,
MED_NODAL, MED_FULL_INTERLACE, (med_int)fam.size(),
&conn[0], MED_FALSE, 0, MED_FALSE, 0, MED_TRUE, &fam[0]) < 0)
#else
if(MEDelementsEcr(fid, meshName, (med_int)3, &conn[0], MED_FULL_INTERLACE,
0, MED_FAUX, 0, MED_FAUX, &fam[0], (med_int)fam.size(),
MED_MAILLE, type, MED_NOD) < 0)
#endif
Msg::Error("Could not write MED elements");
}
int GModel::writeMED(const std::string &name, bool saveAll, double scalingFactor)
{
med_idt fid = MEDouvrir((char*)name.c_str(), MED_CREATION);
if(fid < 0){
Msg::Error("Unable to open file '%s'", name.c_str());
return 0;
}
// write header
if(MEDfichDesEcr(fid, (char*)"MED file generated by Gmsh") < 0){
Msg::Error("Unable to write MED descriptor");
return 0;
}
char *meshName = (char*)getName().c_str();
// Gmsh always writes 3D unstructured meshes
#if (MED_MAJOR_NUM == 3)
char dtUnit[MED_SNAME_SIZE + 1] = "";
char axisName[3 * MED_SNAME_SIZE + 1] = "";
char axisUnit[3 * MED_SNAME_SIZE + 1] = "";
if(MEDmeshCr(fid, meshName, 3, 3, MED_UNSTRUCTURED_MESH, "Mesh created with Gmsh",
dtUnit, MED_SORT_DTIT, MED_CARTESIAN, axisName, axisUnit) < 0){
#else
if(MEDmaaCr(fid, meshName, 3, MED_NON_STRUCTURE,
(char*)"Mesh created with Gmsh") < 0){
#endif
Msg::Error("Could not create MED mesh");
return 0;
}
// if there are no physicals we save all the elements
if(noPhysicalGroups()) saveAll = true;
// index the vertices we save in a continuous sequence (MED
// connectivity is given in terms of vertex indices)
indexMeshVertices(saveAll);
// get a vector containing all the geometrical entities in the
// model (the ordering of the entities must be the same as the one
// used during the indexing of the vertices)
std::vector<GEntity*> entities;
getEntities(entities);
std::map<GEntity*, int> families;
// write the families
{
// always create a "0" family, with no groups or attributes
#if (MED_MAJOR_NUM == 3)
if(MEDfamilyCr(fid, meshName, "F_0", 0, 0, "") < 0)
#else
if(MEDfamCr(fid, meshName, (char*)"F_0", 0, 0, 0, 0, 0, 0, 0) < 0)
#endif
Msg::Error("Could not create MED family 0");
// create one family per elementary entity, with one group per
// physical entity and no attributes
for(unsigned int i = 0; i < entities.size(); i++){
if(saveAll || entities[i]->physicals.size()){
int num = - ((int)families.size() + 1);
families[entities[i]] = num;
std::ostringstream fs;
fs << entities[i]->dim() << "D_" << entities[i]->tag();
std::string familyName = "F_" + fs.str();
std::string groupName;
for(unsigned j = 0; j < entities[i]->physicals.size(); j++){
std::string tmp = getPhysicalName
(entities[i]->dim(), entities[i]->physicals[j]);
if(tmp.empty()){ // create unique name
std::ostringstream gs;
gs << entities[i]->dim() << "D_" << entities[i]->physicals[j];
groupName += "G_" + gs.str();
}
else
groupName += tmp;
groupName.resize((j + 1) * MED_TAILLE_LNOM, ' ');
}
#if (MED_MAJOR_NUM == 3)
if(MEDfamilyCr(fid, meshName, familyName.c_str(),
(med_int)num, (med_int)entities[i]->physicals.size(),
groupName.c_str()) < 0)
#else
if(MEDfamCr(fid, meshName, (char*)familyName.c_str(),
(med_int)num, 0, 0, 0, 0, (char*)groupName.c_str(),
(med_int)entities[i]->physicals.size()) < 0)
#endif
Msg::Error("Could not create MED family %d", num);
}
}
}
// write the nodes
{
std::vector<med_float> coord;
std::vector<med_int> fam;
for(unsigned int i = 0; i < entities.size(); i++){
for(unsigned int j = 0; j < entities[i]->mesh_vertices.size(); j++){
MVertex *v = entities[i]->mesh_vertices[j];
if(v->getIndex() >= 0){
coord.push_back(v->x() * scalingFactor);
coord.push_back(v->y() * scalingFactor);
coord.push_back(v->z() * scalingFactor);
fam.push_back(0); // we never create node families
}
}
}
if(fam.empty()){
Msg::Error("No nodes to write in MED mesh");
return 0;
}
#if (MED_MAJOR_NUM == 3)
if(MEDmeshNodeWr(fid, meshName, MED_NO_DT, MED_NO_IT, 0., MED_FULL_INTERLACE,
(med_int)fam.size(), &coord[0], MED_FALSE, "", MED_FALSE, 0,
MED_TRUE, &fam[0]) < 0)
#else
char coordName[3 * MED_TAILLE_PNOM + 1] =
"x y z ";
char coordUnit[3 * MED_TAILLE_PNOM + 1] =
"unknown unknown unknown ";
if(MEDnoeudsEcr(fid, meshName, (med_int)3, &coord[0], MED_FULL_INTERLACE,
MED_CART, coordName, coordUnit, 0, MED_FAUX, 0, MED_FAUX,
&fam[0], (med_int)fam.size()) < 0)
#endif
Msg::Error("Could not write nodes");
}
// write the elements
{
{ // points
med_geometrie_element typ = MED_NONE;
std::vector<med_int> conn, fam;
for(viter it = firstVertex(); it != lastVertex(); it++)
if(saveAll || (*it)->physicals.size())
fillElementsMED(families[*it], (*it)->points, conn, fam, typ);
writeElementsMED(fid, meshName, conn, fam, typ);
}
{ // lines
med_geometrie_element typ = MED_NONE;
std::vector<med_int> conn, fam;
for(eiter it = firstEdge(); it != lastEdge(); it++)
if(saveAll || (*it)->physicals.size())
fillElementsMED(families[*it], (*it)->lines, conn, fam, typ);
writeElementsMED(fid, meshName, conn, fam, typ);
}
{ // triangles
med_geometrie_element typ = MED_NONE;
std::vector<med_int> conn, fam;
for(fiter it = firstFace(); it != lastFace(); it++)
if(saveAll || (*it)->physicals.size())
fillElementsMED(families[*it], (*it)->triangles, conn, fam, typ);
writeElementsMED(fid, meshName, conn, fam, typ);
}
{ // quads
med_geometrie_element typ = MED_NONE;
std::vector<med_int> conn, fam;
for(fiter it = firstFace(); it != lastFace(); it++)
if(saveAll || (*it)->physicals.size())
fillElementsMED(families[*it], (*it)->quadrangles, conn, fam, typ);
writeElementsMED(fid, meshName, conn, fam, typ);
}
{ // tets
med_geometrie_element typ = MED_NONE;
std::vector<med_int> conn, fam;
for(riter it = firstRegion(); it != lastRegion(); it++)
if(saveAll || (*it)->physicals.size())
fillElementsMED(families[*it], (*it)->tetrahedra, conn, fam, typ);
writeElementsMED(fid, meshName, conn, fam, typ);
}
{ // hexas
med_geometrie_element typ = MED_NONE;
std::vector<med_int> conn, fam;
for(riter it = firstRegion(); it != lastRegion(); it++)
if(saveAll || (*it)->physicals.size())
fillElementsMED(families[*it], (*it)->hexahedra, conn, fam, typ);
writeElementsMED(fid, meshName, conn, fam, typ);
}
{ // prisms
med_geometrie_element typ = MED_NONE;
std::vector<med_int> conn, fam;
for(riter it = firstRegion(); it != lastRegion(); it++)
if(saveAll || (*it)->physicals.size())
fillElementsMED(families[*it], (*it)->prisms, conn, fam, typ);
writeElementsMED(fid, meshName, conn, fam, typ);
}
{ // pyramids
med_geometrie_element typ = MED_NONE;
std::vector<med_int> conn, fam;
for(riter it = firstRegion(); it != lastRegion(); it++)
if(saveAll || (*it)->physicals.size())
fillElementsMED(families[*it], (*it)->pyramids, conn, fam, typ);
writeElementsMED(fid, meshName, conn, fam, typ);
}
}
if(MEDfermer(fid) < 0){
Msg::Error("Unable to close file '%s'", (char*)name.c_str());
return 0;
}
return 1;
}
#else
int GModel::readMED(const std::string &name)
{
Msg::Error("Gmsh must be compiled with MED support to read '%s'",
name.c_str());
return 0;
}
bool Constraint::
checkConstraint(const AnalysisGraph& graph,
const LinguisticGraphVertex& vertex,
AnalysisContent& analysis,
ConstraintCheckList& constraintCheckList) const
{
/*
Critical Function : commnet logging message
*/
// AULOGINIT;
// if the action is STORE, store the value in the checklist,
// else compare the value with the value stored in the checklist
// using the constraint function
// LDEBUG << checkStringDebug(graph,vertex) << LENDL;
bool success(false);
bool compare(false);
LinguisticGraphVertex
firstVertex(0),
secondVertex(vertex);
// first get the value from the token
switch(m_action) {
case STORE: {
constraintCheckList[m_index].store(vertex);
return true;
}
case PUSH: {
constraintCheckList[m_index].push(vertex);
return true;
}
case COMPARE: {
firstVertex=constraintCheckList[m_index].getValueStored();
compare=true;
break;
}
case COMPARE_REVERSE: {
// same but reverse order of arguments
firstVertex=vertex;
secondVertex=constraintCheckList[m_index].getValueStored();
compare=true;
break;
}
case COMPARE_STACK: {
firstVertex=constraintCheckList[m_index].getValueStack();
compare=true;
break;
}
case COMPARE_STACK_REVERSE: {
// same but reverse order of arguments
firstVertex=vertex;
secondVertex=constraintCheckList[m_index].getValueStack();
compare=true;
break;
}
case TEST: {
success=(*m_functionAddr)(graph,vertex,analysis);
break;
}
case EXECUTE_IF_SUCCESS:
case EXECUTE_IF_SUCCESS_REVERSE:
case EXECUTE_IF_FAILURE:
case EXECUTE_IF_FAILURE_REVERSE: {
AULOGINIT;
LERROR << "Constraint: cannot call checkConstraint with EXECUTE type"
<< "(function " << functionName() << ")"<< LENDL;
return false;
}
default: {
AULOGINIT;
LERROR << "Constraint: no action specified "
<< "(function " << functionName() << ")"<< LENDL;
return false;
}
}
if (compare) {
if (firstVertex == ConstraintCheckListElement::novalue ||
secondVertex == ConstraintCheckListElement::novalue) {
success=false;
}
else {
success=(*m_functionAddr)(graph,firstVertex,secondVertex,analysis);
}
}
// LDEBUG << " -> " << success << " => "
// << (m_negative?(!success):success) << LENDL;
return (m_negative?(!success):success);
}
int GModel::writeINP(const std::string &name, bool saveAll, bool saveGroupsOfNodes,
double scalingFactor)
{
FILE *fp = Fopen(name.c_str(), "w");
if(!fp){
Msg::Error("Unable to open file '%s'", name.c_str());
return 0;
}
if(noPhysicalGroups()) saveAll = true;
indexMeshVertices(saveAll);
std::vector<GEntity*> entities;
getEntities(entities);
fprintf(fp, "*Heading\n");
fprintf(fp, " %s\n", name.c_str());
fprintf(fp, "*Node\n");
for(unsigned int i = 0; i < entities.size(); i++)
for(unsigned int j = 0; j < entities[i]->mesh_vertices.size(); j++)
entities[i]->mesh_vertices[j]->writeINP(fp, scalingFactor);
for(viter it = firstVertex(); it != lastVertex(); ++it){
writeElementsINP(fp, *it, (*it)->points, saveAll);
}
for(eiter it = firstEdge(); it != lastEdge(); ++it){
writeElementsINP(fp, *it, (*it)->lines, saveAll);
}
for(fiter it = firstFace(); it != lastFace(); ++it){
writeElementsINP(fp, *it, (*it)->triangles, saveAll);
writeElementsINP(fp, *it, (*it)->quadrangles, saveAll);
}
for(riter it = firstRegion(); it != lastRegion(); ++it){
writeElementsINP(fp, *it, (*it)->tetrahedra, saveAll);
writeElementsINP(fp, *it, (*it)->hexahedra, saveAll);
writeElementsINP(fp, *it, (*it)->prisms, saveAll);
writeElementsINP(fp, *it, (*it)->pyramids, saveAll);
}
std::map<int, std::vector<GEntity*> > groups[4];
getPhysicalGroups(groups);
// save elements sets for each physical group
for(int dim = 0; dim <= 3; dim++){
for(std::map<int, std::vector<GEntity*> >::iterator it = groups[dim].begin();
it != groups[dim].end(); it++){
std::vector<GEntity *> &entities = it->second;
fprintf(fp, "*ELSET,ELSET=%s\n", physicalName(this, dim, it->first).c_str());
int n = 0;
for(unsigned int i = 0; i < entities.size(); i++){
for(unsigned int j = 0; j < entities[i]->getNumMeshElements(); j++){
MElement *e = entities[i]->getMeshElement(j);
if(n && !(n % 10)) fprintf(fp, "\n");
fprintf(fp, "%d, ", e->getNum());
n++;
}
}
fprintf(fp, "\n");
}
}
// save node sets for each physical group
if(saveGroupsOfNodes){
for(int dim = 1; dim <= 3; dim++){
for(std::map<int, std::vector<GEntity*> >::iterator it = groups[dim].begin();
it != groups[dim].end(); it++){
std::set<MVertex*> nodes;
std::vector<GEntity *> &entities = it->second;
for(unsigned int i = 0; i < entities.size(); i++){
for(unsigned int j = 0; j < entities[i]->getNumMeshElements(); j++){
MElement *e = entities[i]->getMeshElement(j);
for (int k = 0; k < e->getNumVertices(); k++)
nodes.insert(e->getVertex(k));
}
}
fprintf(fp, "*NSET,NSET=%s\n", physicalName(this, dim, it->first).c_str());
int n = 0;
for(std::set<MVertex*>::iterator it2 = nodes.begin(); it2 != nodes.end(); it2++){
if(n && !(n % 10)) fprintf(fp, "\n");
fprintf(fp, "%d, ", (*it2)->getIndex());
n++;
}
fprintf(fp, "\n");
}
}
}
fclose(fp);
return 1;
}
