med_int
nedffaml(med_int *fid, char *maa, med_int *lon1, med_int *fam,
med_int *n,med_int *type_ent,med_int *type_geo)
#endif
{
med_int ret;
char * fn1;
fn1 = _MED2cstring(maa, (int) * lon1);
if (!fn1 )
return(-1);
ret = (med_int) MEDfamLire((med_idt) *fid,fn1,(med_int*) fam,(med_int) *n,
(med_entite_maillage) *type_ent,
(med_geometrie_element) *type_geo);
_MEDcstringFree(fn1);
return(ret);
}
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;
}
int main (int argc, char **argv)
{
med_err ret = 0;
med_idt fid;
char maa[MED_TAILLE_NOM+1];
med_int nmaa,i,mdim,npoly,j;
char desc[MED_TAILLE_DESC+1];
med_int taille,nf,np;
med_int taille2,nf2,np2;
med_int *conn, *conn2, *indexf, *indexf2, *num, *fam;
med_int *indexp, *indexp2;
char *nom;
char tmp[MED_TAILLE_PNOM+1];
int ind1, ind2,k,nfaces,nnoeuds,l;
med_maillage type;
/* Ouverture du fichier test25.med en lecture seule */
fid = MEDouvrir("test25.med",MED_LECTURE);
if (fid < 0) {
MESSAGE("Erreur a l'ouverture du fichier test25.med");
return -1;
}
printf("Ouverture du fichier test25.med \n");
/* Lecture du nombre de maillages */
nmaa = MEDnMaa(fid);
if (nmaa < 0) {
MESSAGE("Erreur a lecture du nombre de maillage");
return -1;
}
printf("Nombre de maillages = "IFORMAT"\n",nmaa);
for (i=0;i<nmaa;i++)
if (ret == 0) {
/* Lecture des infos sur le maillage */
if (MEDmaaInfo(fid,i+1,maa,&mdim,&type,desc) < 0) {
MESSAGE("Erreur a lecture des infos sur le maillage");
return -1;
}
printf("maillage "IFORMAT" de nom [%s] et de dimension : "IFORMAT" \n",i+1,maa,mdim);
/* Combien de mailles polyedres en mode nodal */
if ((npoly = MEDnEntMaa(fid,maa,MED_CONN,MED_MAILLE,MED_POLYEDRE,MED_NOD)) < 0) {
MESSAGE("Erreur a lecture du nombre de maille MED_POLYEDRE en mode nodal");
return -1;
}
printf("Nombre de mailles polyedres : "IFORMAT" \n",npoly);
/* Quelle taille pour le tableau des connectivites et d'indexation
en mode MED_NOD */
if (MEDpolyedreInfo(fid,maa,MED_NOD,&nf,&taille) < 0) {
MESSAGE("Erreur a lecture des infos sur les polyedres");
return -1;
}
printf("Taille a allouer pour la connectivite nodale des polyedres : "IFORMAT" \n",taille);
printf("Taille a allouer pour le tableau d'indexation des faces : "IFORMAT" \n",nf);
/* Quelle taille pour le tableau des connectivites et d'indexation
en mode MED_DESC */
if (MEDpolyedreInfo(fid,maa,MED_DESC,&nf2,&taille2) < 0) {
MESSAGE("Erreur a la lecture des infos sur les polyedres");
return -1;
}
printf("Taille a allouer pour la connectivite descendante des polyedres : "IFORMAT" \n",taille2);
printf("Taille a allouer pour le tableau d'indexation des types de faces : "IFORMAT" \n",nf2);
/* Allocation memoire :
* - tableau indexp et indexp2 : npoly + 1
* - tableau indexf et indexf2 : nf et nf2
* - tableau des connectivites : consize
* - tableaux numeros et numeros de familles : npoly
* - tableau des noms : MED_TAILLE_PNOM*npoly + 1
*/
indexp = (med_int *) malloc(sizeof(med_int)*(npoly+1));
indexp2 = (med_int *) malloc(sizeof(med_int)*(npoly+1));
indexf = (med_int *) malloc(sizeof(med_int)*nf);
indexf2 = (med_int *) malloc(sizeof(med_int)*nf2);
conn = (med_int *) malloc(sizeof(med_int)*taille);
conn2 = (med_int *) malloc(sizeof(med_int)*taille2);
num = (med_int *) malloc(sizeof(med_int)*npoly);
fam = (med_int *) malloc(sizeof(med_int)*npoly);
nom = (char *) malloc(sizeof(char)*MED_TAILLE_PNOM*npoly+1);
/* Lecture de la connectivite des mailles polyedres en mode nodal */
if (MEDpolyedreConnLire(fid,maa,indexp,npoly+1,indexf,nf,conn,MED_NOD) < 0) {
MESSAGE("Erreur a lecture de la connectivite nodale des polyedres");
ret = -1;
}
printf("Lecture de la connectivite des mailles MED_POLYEDRE en mode nodal \n");
/* Lecture de la connectivite des mailles polyedres en mode descendant */
if (ret == 0) {
if (MEDpolyedreConnLire(fid,maa,indexp2,npoly+1,indexf2,nf2,conn2,MED_DESC) < 0) {
MESSAGE("Erreur a lecture de la connectivite descendante des polyedres");
ret = -1;
}
printf("Lecture de la connectivite des mailles MED_POLYEDRE en mode descendant \n");
}
/* Lecture noms */
if (ret == 0) {
if (MEDnomLire(fid,maa,nom,npoly,MED_MAILLE,MED_POLYEDRE) < 0) {
MESSAGE("Erreur a lecture des noms des polyedres");
ret = -1;
}
printf("Lecture des noms des mailles MED_POLYEDRE \n");
}
/* Lecture des numeros */
if (ret == 0) {
if (MEDnumLire(fid,maa,num,npoly,MED_MAILLE,MED_POLYEDRE) < 0) {
MESSAGE("Erreur a lecture des numeros des polyedres");
ret = -1;
}
printf("Lecture des numeros des mailles MED_POLYEDRE \n");
}
/* Lecture des numeros de familles */
if (ret == 0) {
if (MEDfamLire(fid,maa,fam,npoly,MED_MAILLE,MED_POLYEDRE) < 0) {
MESSAGE("Erreur a lecture des numeros de famille des polyedres");
ret = -1;
}
printf("Lecture des numeros de familles des mailles MED_POLYEDRE \n");
}
if (ret == 0) {
printf("Affichage des resultats \n");
for (j=0;j<npoly;j++) {
printf(">> Maille MED_POLYEDRE "IFORMAT" : \n",j+1);
printf("---- Connectivite nodale ----- : \n");
nfaces = *(indexp+j+1) - *(indexp+j);
/* ind1 = indice dans "indexf" pour acceder aux numeros des faces */
ind1 = *(indexp+j) - 1;
for (k=0;k<nfaces;k++) {
/* ind2 = indice dans "conn" pour acceder au premier noeud de la face */
ind2 = *(indexf+ind1+k) - 1;
nnoeuds = *(indexf+ind1+k+1) - *(indexf+ind1+k);
printf(" - Face %d : [ ", k+1);
for (l=0;l<nnoeuds;l++)
printf(" "IFORMAT" ",*(conn+ind2+l));
printf(" ] \n");
}
printf("---- Connectivite descendante ----- : \n");
nfaces = *(indexp2+j+1) - *(indexp2+j);
/* ind1 = indice dans "conn2" pour acceder aux numeros des faces */
ind1 = *(indexp2+j) - 1;
for (k=0;k<nfaces;k++)
printf(" - Face %d de numero : "IFORMAT" et de type "IFORMAT" \n", k+1,*(conn2+ind1+k),*(indexf2+ind1+k));
strncpy(tmp,nom+j*MED_TAILLE_PNOM,MED_TAILLE_PNOM);
tmp[MED_TAILLE_PNOM] = '\0';
printf("---- Nom ----- : %s \n",tmp);
printf("---- Numero ----- : "IFORMAT" \n",*(num+j));
printf("---- Numero de famille ----- : "IFORMAT" \n",*(fam+j));
}
}
/* liberation de la memoire */
free(indexp);
free(indexp2);
free(indexf);
free(indexf2);
free(conn);
free(conn2);
free(num);
free(fam);
free(nom);
}
/* Fermeture du fichier */
if (MEDfermer(fid) < 0) {
MESSAGE("Erreur a fermeture du fichier");
return -1;
}
printf("Fermeture du fichier \n");
return ret;
}
int main (int argc, char **argv)
{
med_err ret = 0;
med_idt fid;
med_int nse2;
med_int *se2_1;
med_int *se2_2;
char *nomse2;
med_int *numse2;
med_int *nufase2;
med_int ntr3;
med_int *tr3;
char *nomtr3;
med_int *numtr3;
med_int *nufatr3;
char maa[MED_TAILLE_NOM+1] ="maa1";
med_int mdim = 2;
med_booleen inoele,inuele;
med_int tse2,ttr3;
med_int i;
char str[MED_TAILLE_PNOM+1];
med_int profil[2] = { 2, 3 };
char desc[MED_TAILLE_DESC+1];
med_maillage type;
/* Ouverture du fichier en mode lecture seule */
if ((fid = MEDouvrir("test6.med",MED_LECTURE)) < 0) {
MESSAGE("Erreur a l'ouverture du fichier test6.med");
return -1;
}
/* Lecture des informations sur le premier maillage */
if (MEDmaaInfo(fid,1,maa,&mdim,&type,desc) < 0) {
MESSAGE("Erreur a la lecture des information sur le 1er maillage");
return -1;
} else
printf("Maillage de nom : %s et de dimension %d \n",maa,mdim);
/* Combien de triangles et de segments */
if ((nse2 = MEDnEntMaa(fid,maa,MED_CONN,MED_ARETE,MED_SEG2,MED_DESC)) < 0) {
MESSAGE("Erreur a la lecture du nombre de faces MED_SEG2");
return -1;
}
if ((ntr3 = MEDnEntMaa(fid,maa,MED_CONN,MED_MAILLE,MED_TRIA3,MED_DESC))<0) {
MESSAGE("Erreur a la lecture du nombre de mailles MED_TRIA3");
return -1;
}
printf("Nombre de MED_SEG2 : "IFORMAT" - nombre de MED_TRIA3 : "IFORMAT"\n",nse2,ntr3);
/* Allocations memoire */
tse2 = 2;
se2_1 = (med_int*) calloc(tse2*nse2,sizeof(med_int));
se2_2 = (med_int*) malloc(sizeof(med_int)*tse2*nse2);
nomse2 = (char*) malloc(MED_TAILLE_PNOM*nse2+1);
numse2 = (med_int*) malloc(sizeof(med_int)*nse2);
nufase2 = (med_int*) malloc(sizeof(med_int)*nse2);
ttr3 = 3;
tr3 = (med_int*) malloc(sizeof(med_int)*ntr3*ttr3);
nomtr3 = (char*) malloc(MED_TAILLE_PNOM*ntr3+1);
numtr3 = (med_int*) malloc(sizeof(med_int)*ntr3);
nufatr3 = (med_int*) malloc(sizeof(med_int)*ntr3);
/* Lecture des connectivites des segments avec profil */
if (MEDconnLire(fid,maa,mdim,se2_1,MED_FULL_INTERLACE,profil,2,
MED_ARETE,MED_SEG2,MED_DESC) < 0) {
MESSAGE("Erreur a la lecture de la connectivite des segments");
return -1;
}
/* Lecture de la connectivite des segments */
if (MEDconnLire(fid,maa,mdim,se2_2,MED_FULL_INTERLACE,NULL,0,
MED_ARETE ,MED_SEG2,MED_DESC) < 0) {
MESSAGE("Erreur a la lecture de la connectivite des segments");
return -1;
}
/* Lecture (optionnelle) des noms des segments */
if (MEDnomLire(fid,maa,nomse2,nse2,MED_ARETE,MED_SEG2) < 0)
inoele = MED_FAUX;
else
inoele = MED_VRAI;
/* Lecture (optionnelle) des numeros des segments */
if (MEDnumLire(fid,maa,numse2,nse2,MED_ARETE,MED_SEG2) < 0)
inuele = MED_FAUX;
else
inuele = MED_VRAI;
/* Lecture des numeros des familles des segments */
if (MEDfamLire(fid,maa,nufase2,nse2,MED_ARETE,MED_SEG2) < 0) {
MESSAGE("Erreur a la lecture des numéros de famille des segments");
return -1;
}
/* Lecture de la connectivite des triangles */
if (MEDconnLire(fid,maa,mdim,tr3,MED_NO_INTERLACE,NULL,0,MED_MAILLE,MED_TRIA3,
MED_DESC) < 0) {
MESSAGE("Erreur a la lecture de la connectivite des triangles");
return -1;
}
/* Lecture (optionnelle) des noms des triangles */
if (MEDnomLire(fid,maa,nomtr3,ntr3,MED_MAILLE,MED_TRIA3) < 0)
inoele = MED_FAUX;
else
inoele = MED_VRAI;
/* Lecture (optionnelle) des numeros des triangles */
if (MEDnumLire(fid,maa,numtr3,ntr3,MED_MAILLE,MED_TRIA3) < 0)
inuele = MED_FAUX;
else
inuele = MED_VRAI;
/* Lecture des numeros des familles des triangles */
if (ret = MEDfamLire(fid,maa,nufatr3,ntr3,MED_MAILLE,MED_TRIA3) < 0) {
MESSAGE("Erreur a la lecture des numeros de famille des segments");
return -1;
}
/* Fermeture du fichier */
if (MEDfermer(fid) < 0) {
MESSAGE("Erreur a la fermeture du fichier");
return -1;
}
/* Affichage */
if (ret == 0) {
printf("Connectivite des segments (1): \n");
for (i=0;i<nse2*tse2;i++)
printf(IFORMAT" ",*(se2_1+i));
printf("\n");
printf("Connectivite des segments (2): \n");
for (i=0;i<nse2*tse2;i++)
printf(IFORMAT" ",*(se2_2+i));
if (inoele) {
printf("\nNoms des segments :\n");
for (i=0;i<nse2;i++) {
strncpy(str,nomse2+i*MED_TAILLE_PNOM,MED_TAILLE_PNOM);
str[MED_TAILLE_PNOM] = '\0';
printf("%s ",str);
}
}
if (inuele) {
printf("\nNumeros des segments :\n");
for (i=0;i<nse2;i++)
printf(IFORMAT" ",*(numse2+i));
}
printf("\nNumeros des familles des segments :\n");
for (i=0;i<nse2;i++)
printf(IFORMAT" ",*(nufase2+i));
printf("\nConnectivite des triangles : \n");
for (i=0;i<ntr3*ttr3;i++)
printf(IFORMAT" ",*(tr3+i));
if (inoele) {
printf("\nNoms des triangles :\n");
for (i=0;i<ntr3;i++) {
strncpy(str,nomtr3+i*MED_TAILLE_PNOM,MED_TAILLE_PNOM);
str[MED_TAILLE_PNOM] = '\0';
printf("%s ",str);
}
}
if (inuele) {
printf("\nNumeros des triangles :\n");
for (i=0;i<ntr3;i++)
printf(IFORMAT" ",*(numtr3+i));
}
printf("\nNumeros des familles des triangles :\n");
for (i=0;i<ntr3;i++)
printf(IFORMAT" ",*(nufatr3+i));
printf("\n");
}
/* Nettoyage memoire */
free(se2_1);
free(se2_2);
free(nomse2);
free(numse2);
free(nufase2);
free(tr3);
free(nomtr3);
free(numtr3);
free(nufatr3);
return ret;
}
