VTK/Tutorials/TriangleGeometryOnly: Difference between revisions
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{ | { | ||
//setup points | //setup points | ||
vector<Point> Points; | std::vector<Point> Points; | ||
Points.push_back(Point(-1, 1, 0)); | Points.push_back(Point(-1, 1, 0)); | ||
Points.push_back(Point(1, 1, 0)); | Points.push_back(Point(1, 1, 0)); | ||
| Line 13: | Line 13: | ||
vtkSmartPointer<vtkCellArray> Vertices = vtkSmartPointer<vtkCellArray>::New(); | vtkSmartPointer<vtkCellArray> Vertices = vtkSmartPointer<vtkCellArray>::New(); | ||
for ( unsigned int i = 0; i < | for ( unsigned int i = 0; i < Points.size(); ++i ) | ||
{ | { | ||
vtkIdType pid[1]; | vtkIdType pid[1]; | ||
Point P = | Point P = Points[i]; | ||
pid[0] = points3D->InsertNextPoint(P.x, P.y, P.z); | pid[0] = points3D->InsertNextPoint(P.x, P.y, P.z); | ||
Vertices->InsertNextCell(1,pid); | Vertices->InsertNextCell(1,pid); | ||
Revision as of 14:28, 18 June 2009
<source lang="cpp"> void TestWritePointSquare(const std::string &OutputFile) { //setup points std::vector<Point> Points; Points.push_back(Point(-1, 1, 0)); Points.push_back(Point(1, 1, 0)); Points.push_back(Point(1, -1, 0)); Points.push_back(Point(-1, -1, 0));
vtkSmartPointer<vtkPoints> points3D = vtkSmartPointer<vtkPoints>::New();
vtkSmartPointer<vtkCellArray> Vertices = vtkSmartPointer<vtkCellArray>::New();
for ( unsigned int i = 0; i < Points.size(); ++i ) { vtkIdType pid[1]; Point P = Points[i]; pid[0] = points3D->InsertNextPoint(P.x, P.y, P.z); Vertices->InsertNextCell(1,pid); }
vtkSmartPointer<vtkPolyData> polydata = vtkPolyData::New();
polydata->SetPoints(points3D); polydata->SetVerts(Vertices);
vtkSmartPointer<vtkXMLPolyDataWriter> writer = vtkSmartPointer<vtkXMLPolyDataWriter>::New(); writer->SetFileName(OutputFile.c_str()); writer->SetInput(polydata); writer->Write(); } </source>
