int GModel::readPLY(const std::string &name) { // this is crazy!? replaceCommaByDot(name); FILE *fp = Fopen(name.c_str(), "r"); if(!fp){ Msg::Error("Unable to open file '%s'", name.c_str()); return 0; } std::vector<MVertex*> vertexVector; std::map<int, std::vector<MElement*> > elements[5]; std::map<int, std::vector<double> > properties; char buffer[256], str[256], str2[256], str3[256]; std::string s1; int elementary = getMaxElementaryNumber(-1) + 1; int nbv = 0, nbf = 0; int nbprop = 0; int nbView = 0; std::vector<std::string> propName; while(!feof(fp)) { if(!fgets(buffer, sizeof(buffer), fp)) break; if(buffer[0] != '#'){ // skip comments sscanf(buffer, "%s %s", str, str2); if(!strcmp(str, "element") && !strcmp(str2, "vertex")){ sscanf(buffer, "%s %s %d", str, str2, &nbv); } if(!strcmp(str, "format") && strcmp(str2, "ascii")){ Msg::Error("Only reading of ascii PLY files implemented"); fclose(fp); return 0; } if(!strcmp(str, "property") && strcmp(str2, "list")){ nbprop++; sscanf(buffer, "%s %s %s", str, str2, str3); if (nbprop > 3) propName.push_back(s1+str3); } if(!strcmp(str, "element") && !strcmp(str2, "face")){ sscanf(buffer, "%s %s %d", str, str2, &nbf); } if(!strcmp(str, "end_header")){ nbView = nbprop -3; Msg::Info("%d elements", nbv); Msg::Info("%d triangles", nbf); Msg::Info("%d properties", nbView); vertexVector.resize(nbv); for(int i = 0; i < nbv; i++) { double x,y,z; char line[10000], *pEnd, *pEnd2, *pEnd3; if(!fgets(line, sizeof(line), fp)){ fclose(fp); return 0; } x = strtod(line, &pEnd); y = strtod(pEnd, &pEnd2); z = strtod(pEnd2, &pEnd3); vertexVector[i] = new MVertex(x, y, z); pEnd = pEnd3; std::vector<double> prop(nbView); for (int k = 0; k < nbView; k++){ prop[k]=strtod(pEnd, &pEnd2); pEnd = pEnd2; properties[k].push_back(prop[k]); } } for(int i = 0; i < nbf; i++) { if(!fgets(buffer, sizeof(buffer), fp)) break; int n[3], nbe; sscanf(buffer, "%d %d %d %d", &nbe, &n[0], &n[1], &n[2]); std::vector<MVertex*> vertices; if(!getVertices(3, n, vertexVector, vertices)){ fclose(fp); return 0; } elements[0][elementary].push_back(new MTriangle(vertices)); } } } } for(int i = 0; i < (int)(sizeof(elements) / sizeof(elements[0])); i++) _storeElementsInEntities(elements[i]); _associateEntityWithMeshVertices(); _storeVerticesInEntities(vertexVector); #if defined(HAVE_POST) // create PViews here std::vector<GEntity*> _entities; getEntities(_entities); for (int iV=0; iV< nbView; iV++){ PView *view = new PView(); PViewDataList *data = dynamic_cast<PViewDataList*>(view->getData()); for(unsigned int ii = 0; ii < _entities.size(); ii++){ for(unsigned int i = 0; i < _entities[ii]->getNumMeshElements(); i++){ MElement *e = _entities[ii]->getMeshElement(i); int numNodes = e->getNumVertices(); std::vector<double> x(numNodes), y(numNodes), z(numNodes); std::vector<double> *out = data->incrementList(1, e->getType()); for(int nod = 0; nod < numNodes; nod++) out->push_back((e->getVertex(nod))->x()); for(int nod = 0; nod < numNodes; nod++) out->push_back((e->getVertex(nod))->y()); for(int nod = 0; nod < numNodes; nod++) out->push_back((e->getVertex(nod))->z()); std::vector<double> props; int n[3]; n[0] = e->getVertex(0)->getNum()-1; n[1] = e->getVertex(1)->getNum()-1; n[2] = e->getVertex(2)->getNum()-1; if(!getProperties(3, n, properties[iV], props)){ fclose(fp); return 0; } for(int nod = 0; nod < numNodes; nod++) out->push_back(props[nod]); } } data->setName(propName[iV]); data->Time.push_back(0); data->setFileName("property.pos"); data->finalize(); } #endif fclose(fp); return 1; }
bool PView::readPOS(const std::string &fileName, int fileIndex) { FILE *fp = Fopen(fileName.c_str(), "rb"); if(!fp){ Msg::Error("Unable to open file '%s'", fileName.c_str()); return false; } char str[256] = "XXX"; double version = -1.; int format = -1, size = -1, index = -1; while(1) { while(str[0] != '$'){ if(!fgets(str, sizeof(str), fp) || feof(fp)) break; } if(feof(fp)) break; if(!strncmp(&str[1], "PostFormat", 10)) { if(!fscanf(fp, "%lf %d %d\n", &version, &format, &size)){ Msg::Error("Read error"); fclose(fp); return false; } if(version < 1.0) { Msg::Error("Post-processing file too old (ver. %g < 1.0)", version); fclose(fp); return false; } if(size == sizeof(double)) Msg::Debug("Data is in double precision format (size==%d)", size); else { Msg::Error("Unknown data size (%d) in post-processing file", size); fclose(fp); return false; } } else if(!strncmp(&str[1], "View", 4)){ index++; if(fileIndex < 0 || fileIndex == index){ PViewDataList *d = new PViewDataList(); if(!d->readPOS(fp, version, format ? true : false)){ Msg::Error("Could not read data in list format"); delete d; fclose(fp); return false; } else{ d->setFileName(fileName); d->setFileIndex(index); new PView(d); } } } do { if(!fgets(str, sizeof(str), fp) || feof(fp)) break; } while(str[0] != '$'); } fclose(fp); return true; }
PView *GMSH_EigenvectorsPlugin::execute(PView *v) { int scale = (int)EigenvectorsOptions_Number[0].def; int iView = (int)EigenvectorsOptions_Number[1].def; PView *v1 = getView(iView, v); if(!v1) return v; PViewData *data1 = getPossiblyAdaptiveData(v1); if(data1->hasMultipleMeshes()){ Msg::Error("Eigenvectors plugin cannot be run on multi-mesh views"); return v; } PView *min = new PView(); PView *mid = new PView(); PView *max = new PView(); PViewDataList *dmin = getDataList(min); PViewDataList *dmid = getDataList(mid); PViewDataList *dmax = getDataList(max); int nbcomplex = 0; fullMatrix<double> mat(3, 3), vl(3, 3), vr(3, 3); fullVector<double> dr(3), di(3); for(int ent = 0; ent < data1->getNumEntities(0); ent++){ for(int ele = 0; ele < data1->getNumElements(0, ent); ele++){ if(data1->skipElement(0, ent, ele)) continue; int numComp = data1->getNumComponents(0, ent, ele); if(numComp != 9) continue; int type = data1->getType(0, ent, ele); int numNodes = data1->getNumNodes(0, ent, ele); std::vector<double> *outmin = dmin->incrementList(3, type, numNodes); std::vector<double> *outmid = dmid->incrementList(3, type, numNodes); std::vector<double> *outmax = dmax->incrementList(3, type, numNodes); if(!outmin || !outmid || !outmax) continue; double xyz[3][8]; for(int nod = 0; nod < numNodes; nod++) data1->getNode(0, ent, ele, nod, xyz[0][nod], xyz[1][nod], xyz[2][nod]); for(int i = 0; i < 3; i++){ for(int nod = 0; nod < numNodes; nod++){ outmin->push_back(xyz[i][nod]); outmid->push_back(xyz[i][nod]); outmax->push_back(xyz[i][nod]); } } for(int step = 0; step < data1->getNumTimeSteps(); step++){ for(int nod = 0; nod < numNodes; nod++){ for(int i = 0; i < 3; i++) for(int j = 0; j < 3; j++) data1->getValue(step, ent, ele, nod, 3 * i + j, mat(i, j)); if(mat.eig(dr, di, vl, vr, true)){ if(!scale) dr(0) = dr(1) = dr(2) = 1.; for(int i = 0; i < 3; i++){ double res; res = dr(0) * vr(i, 0); outmin->push_back(res); res = dr(1) * vr(i, 1); outmid->push_back(res); res = dr(2) * vr(i, 2); outmax->push_back(res); } if(di(0) || di(1) || di(2)) nbcomplex++; } else{ Msg::Error("Could not compute eigenvalues/vectors"); } } } } } if(nbcomplex) Msg::Error("%d tensors have complex eigenvalues", nbcomplex); for(int i = 0; i < data1->getNumTimeSteps(); i++){ double time = data1->getTime(i); dmin->Time.push_back(time); dmid->Time.push_back(time); dmax->Time.push_back(time); } dmin->setName(data1->getName() + "_MinEigenvectors"); dmin->setFileName(data1->getName() + "_MinEigenvectors.pos"); dmin->finalize(); dmid->setName(data1->getName() + "_MidEigenvectors"); dmid->setFileName(data1->getName() + "_MidEigenvectors.pos"); dmid->finalize(); dmax->setName(data1->getName() + "_MaxEigenvectors"); dmax->setFileName(data1->getName() + "_MaxEigenvectors.pos"); dmax->finalize(); return 0; }
PView *GMSH_Scal2VecPlugin::execute(PView *v) { int iViewX = (int)Scal2VecOptions_Number[0].def; int iViewY = (int)Scal2VecOptions_Number[1].def; int iViewZ = (int)Scal2VecOptions_Number[2].def; std::string nameNewView = Scal2VecOptions_String[0].def; PView *vRef = 0, *vX = 0, *vY = 0, *vZ = 0; PViewData *dataRef = 0, *dataX = 0, *dataY = 0, *dataZ = 0; // Load data if(iViewX >= 0){ vX = getView(iViewX, v); if(!vX){ Msg::Error("Scal2Vec plugin could not find View X: %i", iViewX); return v; } dataX = vX->getData(); if(!vRef){ vRef = vX; dataRef = dataX; } } if(iViewY >= 0){ vY = getView(iViewY, v); if(!vY){ Msg::Error("Scal2Vec plugin could not find View Y: %i", iViewY); return v; } dataY = vY->getData(); if(!vRef){ vRef = vY; dataRef = dataY; } } if(iViewZ >= 0){ vZ = getView(iViewZ, v); if(!vZ){ Msg::Error("Scal2Vec plugin could not find View Z: %i", iViewZ); return v; } dataZ = vZ->getData(); if(!vRef){ vRef = vZ; dataRef = dataZ; } } if(!vRef){ Msg::Error("Scal2Vec plugin could not find any view.", iViewZ); return v; } // Initialize the new view PView *vNew = new PView(); PViewDataList *dataNew = getDataList(vNew); for(int ent = 0; ent < dataRef->getNumEntities(0); ent++){ for(int ele = 0; ele < dataRef->getNumElements(0, ent); ele++){ if(dataRef->skipElement(0, ent, ele)) continue; int numComp = 3; // The 3 components of the new view: x,y,z int type = dataRef->getType(0, ent, ele); int numNodes = dataRef->getNumNodes(0, ent, ele); std::vector<double> *out = dataNew->incrementList(numComp, type, numNodes); // Pointer in data of the new view if(!out) continue; double x[8], y[8], z[8], valX, valY, valZ; for(int nod = 0; nod < numNodes; nod++) dataRef->getNode(0, ent, ele, nod, x[nod], y[nod], z[nod]); int dim = dataRef->getDimension(0, ent, ele); elementFactory factory; element *element = factory.create(numNodes, dim, x, y, z); if(!element) continue; for(int nod = 0; nod < numNodes; nod++) out->push_back(x[nod]); // Save coordinates (x,y,z) for(int nod = 0; nod < numNodes; nod++) out->push_back(y[nod]); for(int nod = 0; nod < numNodes; nod++) out->push_back(z[nod]); for(int step = 0; step < dataRef->getNumTimeSteps(); step++){ for(int nod = 0; nod < numNodes; nod++){ if(vX) dataX->getValue(step, ent, ele, nod, 0, valX); else valX = 0; if(vY) dataY->getValue(step, ent, ele, nod, 0, valY); else valY = 0; if(vZ) dataZ->getValue(step, ent, ele, nod, 0, valZ); else valZ = 0; out->push_back(valX); // Save values (fx,fy,fz) out->push_back(valY); out->push_back(valZ); } } delete element; } } for(int step = 0; step < dataRef->getNumTimeSteps(); step++){ if(dataRef->hasTimeStep(step)){ double time = dataRef->getTime(step); dataNew->Time.push_back(time); } } dataNew->setName(nameNewView); dataNew->setFileName(nameNewView + ".pos"); dataNew->finalize(); return vNew; }
PView *GMSH_MinMaxPlugin::execute(PView * v) { int iView = (int)MinMaxOptions_Number[0].def; int overTime = (int)MinMaxOptions_Number[1].def; int argument = (int)MinMaxOptions_Number[2].def; PView *v1 = getView(iView, v); if(!v1) return v; PViewData *data1 = v1->getData(true); PView *vMin = new PView(); PView *vMax = new PView(); PViewDataList *dataMin = getDataList(vMin); PViewDataList *dataMax = getDataList(vMax); if(!argument){ double x = data1->getBoundingBox().center().x(); double y = data1->getBoundingBox().center().y(); double z = data1->getBoundingBox().center().z(); dataMin->SP.push_back(x); dataMin->SP.push_back(y); dataMin->SP.push_back(z); dataMax->SP.push_back(x); dataMax->SP.push_back(y); dataMax->SP.push_back(z); dataMin->NbSP = 1; dataMax->NbSP = 1; } double min=VAL_INF, max=-VAL_INF, timeMin=0, timeMax=0; for(int step = 0; step < data1->getNumTimeSteps(); step++){ if(data1->hasTimeStep(step)){ double minView = VAL_INF, maxView = -VAL_INF; double xmin = 0., ymin = 0., zmin = 0., xmax = 0., ymax = 0., zmax = 0.; for(int ent = 0; ent < data1->getNumEntities(step); ent++){ for(int ele = 0; ele < data1->getNumElements(step, ent); ele++){ for(int nod = 0; nod < data1->getNumNodes(step, ent, ele); nod++){ double val; data1->getScalarValue(step, ent, ele, nod, val); if(val < minView){ data1->getNode(step, ent, ele, nod, xmin, ymin, zmin); minView = val; } if(val > maxView){ data1->getNode(step, ent, ele, nod, xmax, ymax, zmax); maxView = val; } } } } if(!overTime){ if(argument){ dataMin->SP.push_back(xmin); dataMin->SP.push_back(ymin); dataMin->SP.push_back(zmin); dataMax->SP.push_back(xmax); dataMax->SP.push_back(ymax); dataMax->SP.push_back(zmax); (dataMin->NbSP)++; (dataMax->NbSP)++; } else{ double time = data1->getTime(step); dataMin->Time.push_back(time); dataMax->Time.push_back(time); } dataMin->SP.push_back(minView); dataMax->SP.push_back(maxView); } else{ if(minView < min){ min = minView; timeMin = data1->getTime(step); } if(maxView > max){ max = maxView; timeMax = data1->getTime(step); } } } } if(overTime){ dataMin->SP.push_back(min); dataMax->SP.push_back(max); dataMin->Time.push_back(timeMin); dataMax->Time.push_back(timeMax); } vMin->getOptions()->intervalsType = PViewOptions::Numeric; vMax->getOptions()->intervalsType = PViewOptions::Numeric; dataMin->setName(data1->getName() + "_Min"); dataMin->setFileName(data1->getName() + "_Min.pos"); dataMin->finalize(); dataMax->setName(data1->getName() + "_Max"); dataMax->setFileName(data1->getName() + "_Max.pos"); dataMax->finalize(); return 0; }
PView *GMSH_Scal2VecPlugin::execute(PView *v) { // Load options int iView[3]; for (int comp=0; comp<3; comp++) iView[comp] = (int)Scal2VecOptions_Number[comp].def; // Load data PView *vRef=0, *vComp[3]; for (int comp=0; comp<3; comp++) { if (iView[comp]<0) vComp[comp] = 0; else { vComp[comp] = getView(iView[comp], v); if (!vComp[comp]) { Msg::Error("Scal2Vec plugin could not find View '%i'", iView[comp]); return v; } if (!vRef) vRef = vComp[comp]; } } if (!vRef) { Msg::Error("Scal2Vec plugin could not find any view."); return v; } PViewData *dataRef = vRef->getData(); // Initialize the new view PView *vNew = new PView(); PViewDataList *dataNew = getDataList(vNew); int step0 = dataRef->getFirstNonEmptyTimeStep(); for (int ent=0; ent < dataRef->getNumEntities(step0); ent++) { for (int ele=0; ele < dataRef->getNumElements(step0, ent); ele++) { if (dataRef->skipElement(step0, ent, ele)) continue; int type = dataRef->getType(step0, ent, ele); int numNodes = dataRef->getNumNodes(step0, ent, ele); std::vector<double> *out = dataNew->incrementList(3, type, numNodes); // Pointer in data of the new view if (!out) continue; double x[8], y[8], z[8]; for (int nod=0; nod<numNodes; nod++) dataRef->getNode(step0, ent, ele, nod, x[nod], y[nod], z[nod]); int dim = dataRef->getDimension(step0, ent, ele); elementFactory factory; element *element = factory.create(numNodes, dim, x, y, z); if (!element) continue; for (int nod=0; nod<numNodes; nod++) out->push_back(x[nod]); // Save coordinates (x,y,z) for (int nod=0; nod<numNodes; nod++) out->push_back(y[nod]); for (int nod=0; nod<numNodes; nod++) out->push_back(z[nod]); for (int step=step0; step < dataRef->getNumTimeSteps(); step++) { if (!dataRef->hasTimeStep(step)) continue; for (int nod=0; nod<numNodes; nod++) { for (int comp=0; comp<3; comp++) { double val=0.; if(vComp[comp]) vComp[comp]->getData()->getValue(step, ent, ele, nod, 0, val); out->push_back(val); // Save value } } } delete element; } } for (int step=step0; step < dataRef->getNumTimeSteps(); step++) { if (!dataRef->hasTimeStep(step)) continue; dataNew->Time.push_back(dataRef->getTime(step)); } std::string nameNewView = Scal2VecOptions_String[0].def; dataNew->setName(nameNewView); dataNew->setFileName(nameNewView + ".pos"); dataNew->finalize(); return vNew; }
PView *GMSH_EigenvaluesPlugin::execute(PView *v) { int iView = (int)EigenvaluesOptions_Number[0].def; PView *v1 = getView(iView, v); if(!v1) return v; PViewData *data1 = getPossiblyAdaptiveData(v1); if(data1->hasMultipleMeshes()){ Msg::Error("Eigenvalues plugin cannot be run on multi-mesh views"); return v; } PView *min = new PView(); PView *mid = new PView(); PView *max = new PView(); PViewDataList *dmin = getDataList(min); PViewDataList *dmid = getDataList(mid); PViewDataList *dmax = getDataList(max); for(int ent = 0; ent < data1->getNumEntities(0); ent++){ for(int ele = 0; ele < data1->getNumElements(0, ent); ele++){ if(data1->skipElement(0, ent, ele)) continue; int numComp = data1->getNumComponents(0, ent, ele); if(numComp != 9) continue; int type = data1->getType(0, ent, ele); int numNodes = data1->getNumNodes(0, ent, ele); std::vector<double> *outmin = dmin->incrementList(1, type, numNodes); std::vector<double> *outmid = dmid->incrementList(1, type, numNodes); std::vector<double> *outmax = dmax->incrementList(1, type, numNodes); if(!outmin || !outmid || !outmax) continue; double xyz[3][8]; for(int nod = 0; nod < numNodes; nod++) data1->getNode(0, ent, ele, nod, xyz[0][nod], xyz[1][nod], xyz[2][nod]); for(int i = 0; i < 3; i++){ for(int nod = 0; nod < numNodes; nod++){ outmin->push_back(xyz[i][nod]); outmid->push_back(xyz[i][nod]); outmax->push_back(xyz[i][nod]); } } for(int step = 0; step < data1->getNumTimeSteps(); step++){ for(int nod = 0; nod < numNodes; nod++){ double val[9], w[3]; for(int comp = 0; comp < numComp; comp++) data1->getValue(step, ent, ele, nod, comp, val[comp]); double A[3][3] = {{val[0], val[1], val[2]}, {val[3], val[4], val[5]}, {val[6], val[7], val[8]}}; eigenvalue(A, w); outmin->push_back(w[2]); outmid->push_back(w[1]); outmax->push_back(w[0]); } } } } for(int i = 0; i < data1->getNumTimeSteps(); i++){ double time = data1->getTime(i); dmin->Time.push_back(time); dmid->Time.push_back(time); dmax->Time.push_back(time); } dmin->setName(data1->getName() + "_MinEigenvalues"); dmin->setFileName(data1->getName() + "_MinEigenvalues.pos"); dmin->finalize(); dmid->setName(data1->getName() + "_MidEigenvalues"); dmid->setFileName(data1->getName() + "_MidEigenvalues.pos"); dmid->finalize(); dmax->setName(data1->getName() + "_MaxEigenvalues"); dmax->setFileName(data1->getName() + "_MaxEigenvalues.pos"); dmax->finalize(); return 0; }
PView *GMSH_LevelsetPlugin::execute(PView *v) { // for adapted views we can only run the plugin on one step at a time if(v->getData()->getAdaptiveData()){ PViewOptions *opt = v->getOptions(); v->getData()->getAdaptiveData()->changeResolution (opt->timeStep, _recurLevel, _targetError, this); v->setChanged(true); } PViewData *vdata = getPossiblyAdaptiveData(v), *wdata; if(_valueView < 0) { wdata = vdata; } else if(_valueView > (int)PView::list.size() - 1){ Msg::Error("View[%d] does not exist: reverting to View[%d]", _valueView, v->getIndex()); wdata = vdata; } else{ wdata = getPossiblyAdaptiveData(PView::list[_valueView]); } // sanity checks if(vdata->getNumEntities() != wdata->getNumEntities() || vdata->getNumElements() != wdata->getNumElements()){ Msg::Error("Incompatible views"); return v; } if(_valueTimeStep >= wdata->getNumTimeSteps()) { Msg::Error("Wrong time step %d in view", _valueTimeStep); return v; } // Force creation of one view per time step if we have multi meshes if(vdata->hasMultipleMeshes()) _valueIndependent = 0; double x[8], y[8], z[8], levels[8]; double scalarValues[8] = {0., 0., 0., 0., 0., 0., 0., 0.}; if(_valueIndependent) { // create a single output view containing the (possibly // multi-step) levelset int firstNonEmptyStep = vdata->getFirstNonEmptyTimeStep(); PViewDataList *out = getDataList(new PView()); for(int ent = 0; ent < vdata->getNumEntities(firstNonEmptyStep); ent++){ for(int ele = 0; ele < vdata->getNumElements(firstNonEmptyStep, ent); ele++){ if(vdata->skipElement(firstNonEmptyStep, ent, ele)) continue; for(int nod = 0; nod < vdata->getNumNodes(firstNonEmptyStep, ent, ele); nod++){ vdata->getNode(firstNonEmptyStep, ent, ele, nod, x[nod], y[nod], z[nod]); levels[nod] = levelset(x[nod], y[nod], z[nod], 0.); } _cutAndAddElements(vdata, wdata, ent, ele, -1, _valueTimeStep, x, y, z, levels, scalarValues, out); } } out->setName(vdata->getName() + "_Levelset"); out->setFileName(vdata->getFileName() + "_Levelset.pos"); out->finalize(); } else{ // create one view per timestep for(int step = 0; step < vdata->getNumTimeSteps(); step++){ if(!vdata->hasTimeStep(step)) continue; PViewDataList *out = getDataList(new PView()); for(int ent = 0; ent < vdata->getNumEntities(step); ent++){ for(int ele = 0; ele < vdata->getNumElements(step, ent); ele++){ if(vdata->skipElement(step, ent, ele)) continue; for(int nod = 0; nod < vdata->getNumNodes(step, ent, ele); nod++){ vdata->getNode(step, ent, ele, nod, x[nod], y[nod], z[nod]); vdata->getScalarValue(step, ent, ele, nod, scalarValues[nod]); levels[nod] = levelset(x[nod], y[nod], z[nod], scalarValues[nod]); } int wstep = (_valueTimeStep < 0) ? step : _valueTimeStep; _cutAndAddElements(vdata, wdata, ent, ele, step, wstep, x, y, z, levels, scalarValues, out); } } char tmp[246]; sprintf(tmp, "_Levelset_%d", step); out->setName(vdata->getName() + tmp); out->setFileName(vdata->getFileName() + tmp + ".pos"); out->finalize(); } } return 0; }