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FEM Post: Command for creation of post pipeline from result

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This commit is contained in:
Stefan Tröger
2015-11-14 12:14:02 +01:00
committed by wmayer
parent d0a8f6d820
commit 43a298ee24
7 changed files with 358 additions and 36 deletions
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167
src/Mod/Fem/App/FemPostPipeline.cpp
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@@ -27,8 +27,11 @@
#endif
#include "FemPostPipeline.h"
#include "FemMesh.h"
#include "FemMeshObject.h"
#include <Base/Console.h>
#include <App/Document.h>
#include <SMESH_Mesh.hxx>
#include <App/DocumentObjectPy.h>
#include <vtkDataSetReader.h>
#include <vtkGeometryFilter.h>
@@ -36,6 +39,13 @@
#include <vtkStructuredGrid.h>
#include <vtkCellData.h>
#include <vtkUnstructuredGrid.h>
#include <vtkCellArray.h>
#include <vtkDoubleArray.h>
#include <vtkTetra.h>
#include <vtkQuadraticTetra.h>
#include <vtkTriangle.h>
#include <vtkQuadraticTriangle.h>
#include <vtkQuad.h>
using namespace Fem;
using namespace App;
@@ -174,3 +184,160 @@ FemPostObject* FemPostPipeline::getLastPostObject() {
return static_cast<FemPostObject*>(Filter.getValues().back());
}
void FemPostPipeline::load(FemResultObject* res) {
vtkSmartPointer<vtkUnstructuredGrid> grid = vtkUnstructuredGrid::New();
source = grid;
//first copy the mesh over
//########################
if(!res->Mesh.getValue() || !res->Mesh.getValue()->isDerivedFrom(Fem::FemMeshObject::getClassTypeId()))
return;
const FemMesh& mesh = static_cast<FemMeshObject*>(res->Mesh.getValue())->FemMesh.getValue();
SMESH_Mesh* smesh = const_cast<SMESH_Mesh*>(mesh.getSMesh());
SMESHDS_Mesh* meshDS = smesh->GetMeshDS();
const SMDS_MeshInfo& info = meshDS->GetMeshInfo();
//start with the nodes
vtkSmartPointer<vtkPoints> points = vtkPoints::New();
SMDS_NodeIteratorPtr aNodeIter = meshDS->nodesIterator();
points->SetNumberOfPoints(info.NbNodes());
for(; aNodeIter->more(); ) {
const SMDS_MeshNode* node = aNodeIter->next();
float coords[3] = {float(node->X()), float(node->Y()), float(node->Z())};
points->SetPoint(node->GetID()-1, coords);
}
grid->SetPoints(points);
//start with 2d elements
vtkSmartPointer<vtkCellArray> triangleArray = vtkSmartPointer<vtkCellArray>::New();
vtkSmartPointer<vtkCellArray> quadTriangleArray = vtkSmartPointer<vtkCellArray>::New();
vtkSmartPointer<vtkCellArray> quadArray = vtkSmartPointer<vtkCellArray>::New();
SMDS_FaceIteratorPtr aFaceIter = meshDS->facesIterator();
for (;aFaceIter->more();) {
const SMDS_MeshFace* aFace = aFaceIter->next();
//triangle
if(aFace->NbNodes() == 3) {
vtkSmartPointer<vtkTriangle> tria = vtkTriangle::New();
tria->GetPointIds()->SetId(0, aFace->GetNode(0)->GetID()-1);
tria->GetPointIds()->SetId(1, aFace->GetNode(1)->GetID()-1);
tria->GetPointIds()->SetId(2, aFace->GetNode(2)->GetID()-1);
triangleArray->InsertNextCell(tria);
}
//quad
else if(aFace->NbNodes() == 4) {
vtkSmartPointer<vtkQuad> quad = vtkQuad::New();
quad->GetPointIds()->SetId(0, aFace->GetNode(0)->GetID()-1);
quad->GetPointIds()->SetId(1, aFace->GetNode(1)->GetID()-1);
quad->GetPointIds()->SetId(2, aFace->GetNode(2)->GetID()-1);
quadArray->InsertNextCell(quad);
}
else if (aFace->NbNodes() == 6) {
vtkSmartPointer<vtkQuadraticTriangle> tria = vtkQuadraticTriangle::New();
tria->GetPointIds()->SetId(0, aFace->GetNode(0)->GetID()-1);
tria->GetPointIds()->SetId(1, aFace->GetNode(1)->GetID()-1);
tria->GetPointIds()->SetId(2, aFace->GetNode(2)->GetID()-1);
tria->GetPointIds()->SetId(3, aFace->GetNode(3)->GetID()-1);
tria->GetPointIds()->SetId(4, aFace->GetNode(4)->GetID()-1);
tria->GetPointIds()->SetId(5, aFace->GetNode(5)->GetID()-1);
quadTriangleArray->InsertNextCell(tria);
}
}
if(triangleArray->GetNumberOfCells()>0)
grid->SetCells(VTK_TRIANGLE, triangleArray);
if(quadArray->GetNumberOfCells()>0)
grid->SetCells(VTK_QUAD, quadArray);
if(quadTriangleArray->GetNumberOfCells()>0)
grid->SetCells(VTK_QUADRATIC_TRIANGLE, quadTriangleArray);
//now all volumes
vtkSmartPointer<vtkCellArray> tetraArray = vtkSmartPointer<vtkCellArray>::New();
vtkSmartPointer<vtkCellArray> quadTetraArray = vtkSmartPointer<vtkCellArray>::New();
tetraArray->SetNumberOfCells(info.NbTetras());
SMDS_VolumeIteratorPtr aVolIter = meshDS->volumesIterator();
for (;aVolIter->more();) {
const SMDS_MeshVolume* aVol = aVolIter->next();
//tetrahedra
if(aVol->NbNodes() == 4) {
vtkSmartPointer<vtkTetra> tetra = vtkTetra::New();
tetra->GetPointIds()->SetId(0, aVol->GetNode(0)->GetID()-1);
tetra->GetPointIds()->SetId(1, aVol->GetNode(1)->GetID()-1);
tetra->GetPointIds()->SetId(2, aVol->GetNode(2)->GetID()-1);
tetra->GetPointIds()->SetId(3, aVol->GetNode(3)->GetID()-1);
tetraArray->InsertNextCell(tetra);
}
//quadratic tetrahedra
else if( aVol->NbNodes() == 10) {
vtkSmartPointer<vtkQuadraticTetra> tetra = vtkQuadraticTetra::New();
tetra->GetPointIds()->SetId(0, aVol->GetNode(0)->GetID()-1);
tetra->GetPointIds()->SetId(1, aVol->GetNode(1)->GetID()-1);
tetra->GetPointIds()->SetId(2, aVol->GetNode(2)->GetID()-1);
tetra->GetPointIds()->SetId(3, aVol->GetNode(3)->GetID()-1);
tetra->GetPointIds()->SetId(4, aVol->GetNode(4)->GetID()-1);
tetra->GetPointIds()->SetId(5, aVol->GetNode(5)->GetID()-1);
tetra->GetPointIds()->SetId(6, aVol->GetNode(6)->GetID()-1);
tetra->GetPointIds()->SetId(7, aVol->GetNode(7)->GetID()-1);
tetra->GetPointIds()->SetId(8, aVol->GetNode(8)->GetID()-1);
tetra->GetPointIds()->SetId(9, aVol->GetNode(9)->GetID()-1);
quadTetraArray->InsertNextCell(tetra);
}
}
if(tetraArray->GetNumberOfCells()>0)
grid->SetCells(VTK_TETRA, tetraArray);
if(quadTetraArray->GetNumberOfCells()>0)
grid->SetCells(VTK_QUADRATIC_TETRA, quadTetraArray);
//Now copy the point data over
//############################
if(!res->StressValues.getValues().empty()) {
const std::vector<double>& vec = res->StressValues.getValues();
vtkSmartPointer<vtkDoubleArray> data = vtkDoubleArray::New();
data->SetNumberOfValues(vec.size());
data->SetName("Stress");
for(size_t i=0; i<vec.size(); ++i)
data->SetValue(i, vec[i]);
grid->GetPointData()->AddArray(data);
}
if(!res->StressValues.getValues().empty()) {
const std::vector<Base::Vector3d>& vec = res->DisplacementVectors.getValues();
vtkSmartPointer<vtkDoubleArray> data = vtkDoubleArray::New();
data->SetNumberOfComponents(3);
data->SetName("Displacement");
for(std::vector<Base::Vector3d>::const_iterator it=vec.begin(); it!=vec.end(); ++it) {
double tuple[] = {it->x, it->y, it->z};
Base::Console().Message("disp mag; %f\n", it->Length());
data->InsertNextTuple(tuple);
}
grid->GetPointData()->AddArray(data);
}
polyDataSource = vtkGeometryFilter::New();
polyDataSource->SetInputData(source);
polyDataSource->Update();
}