private void ReadPLOT3D() {
// Path to vtk data must be set as an environment variable
// VTK_DATA_ROOT = "C:\VTK\vtkdata-5.8.0"
vtkTesting test = vtkTesting.New();
string root = test.GetDataRoot();
string filePathXYZ = System.IO.Path.Combine(root, @"Data\bluntfinxyz.bin");
string filePathQ = System.IO.Path.Combine(root, @"Data\bluntfinq.bin");
//string filePathXYZ = System.IO.Path.Combine(root, @"Data\combxyz.bin");
//string filePathQ = System.IO.Path.Combine(root, @"Data\combq.bin");
vtkMultiBlockPLOT3DReader reader = vtkMultiBlockPLOT3DReader.New();
reader.SetXYZFileName(filePathXYZ);
reader.SetQFileName(filePathQ);
// Specify the scalar function to extract. If ==(-1), then no scalar function is extracted.
int scalarFctNo = reader.GetScalarFunctionNumber();
int vectorFctNo = reader.GetVectorFunctionNumber();
if(scalarFctNo != -1)
reader.SetScalarFunctionNumber(scalarFctNo);
// Specify the vector function to extract. If ==(-1), then no vector function is extracted.
if(vectorFctNo != -1)
reader.SetVectorFunctionNumber(vectorFctNo);
reader.Update();
//// geometry filter
//// This filter is multi-block aware and will request blocks from the
//// input. These blocks will be processed by simple processes as if they
//// are the whole dataset
//vtkCompositeDataGeometryFilter geom1 = vtkCompositeDataGeometryFilter.New();
//geom1.SetInputConnection(0, reader.GetOutputPort(0));
vtkStructuredGridGeometryFilter geometryFilter = vtkStructuredGridGeometryFilter.New();
geometryFilter.SetInput(reader.GetOutput().GetBlock(0));
//geometryFilter.SetInputConnection(geom1.GetOutputPort(0));
geometryFilter.Update();
// Visualize
vtkPolyDataMapper mapper = vtkPolyDataMapper.New();
mapper.SetInputConnection(geometryFilter.GetOutputPort());
//mapper.SetInputConnection(geom1.GetOutputPort());
mapper.ScalarVisibilityOn();
vtkActor actor = vtkActor.New();
actor.SetMapper(mapper);
// get a reference to the renderwindow of our renderWindowControl1
vtkRenderWindow renderWindow = renderWindowControl1.RenderWindow;
// renderer
vtkRenderer renderer = renderWindow.GetRenderers().GetFirstRenderer();
// set background color
renderer.SetBackground(0.2, 0.3, 0.4);
// add our actor to the renderer
renderer.AddActor(actor);
}
private void ReadStructuredGrid()
{
// Path to vtk data must be set as an environment variable
// VTK_DATA_ROOT = "C:\VTK\vtkdata-5.8.0"
vtkTesting test = vtkTesting.New();
string root = test.GetDataRoot();
string filePath = System.IO.Path.Combine(root, @"Data\multicomb_0.vts");
// reader
vtkXMLStructuredGridReader reader = vtkXMLStructuredGridReader.New();
if (reader.CanReadFile(filePath) == 0)
{
MessageBox.Show("Cannot read file \"" + filePath + "\"", "Error", MessageBoxButtons.OK);
return;
}
reader.SetFileName(filePath);
reader.Update(); // here we read the file actually
vtkStructuredGridGeometryFilter geometryFilter = vtkStructuredGridGeometryFilter.New();
geometryFilter.SetInputConnection(reader.GetOutputPort());
geometryFilter.Update();
// Visualize
vtkPolyDataMapper mapper = vtkPolyDataMapper.New();
mapper.SetInputConnection(geometryFilter.GetOutputPort());
//// mapper
//vtkDataSetMapper mapper = vtkDataSetMapper.New();
//mapper.SetInputConnection(reader.GetOutputPort());
// actor
vtkActor actor = vtkActor.New();
actor.SetMapper(mapper);
// get a reference to the renderwindow of our renderWindowControl1
vtkRenderWindow renderWindow = renderWindowControl1.RenderWindow;
// renderer
vtkRenderer renderer = renderWindow.GetRenderers().GetFirstRenderer();
// set background color
renderer.SetBackground(0.2, 0.3, 0.4);
// add our actor to the renderer
renderer.AddActor(actor);
}
private void XMLStructuredGridWriter()
{
// Path to vtk data must be set as an environment variable
// VTK_DATA_ROOT = "C:\VTK\vtkdata-5.8.0"
vtkTesting test = vtkTesting.New();
string root = test.GetDataRoot();
string filePath = System.IO.Path.Combine(root, @"Data\structuredgrid_test.vts");
// Create a grid
vtkStructuredGrid structuredGrid = vtkStructuredGrid.New();
vtkPoints points = vtkPoints.New();
points.InsertNextPoint(0, 0, 0);
points.InsertNextPoint(1, 0, 0);
points.InsertNextPoint(0, 1, 0);
points.InsertNextPoint(1, 1, 0);
points.InsertNextPoint(0, 2, 0);
points.InsertNextPoint(1, 2, 1);
// Specify the dimensions of the grid
structuredGrid.SetDimensions(2, 3, 1);
structuredGrid.SetPoints(points);
// Write file
vtkXMLStructuredGridWriter writer = vtkXMLStructuredGridWriter.New();
writer.SetFileName(filePath);
writer.SetInput(structuredGrid);
writer.Write();
// Read and display file for verification that it was written correctly
vtkXMLStructuredGridReader reader = vtkXMLStructuredGridReader.New();
if (reader.CanReadFile(filePath) == 0)
{
MessageBox.Show("Cannot read file \"" + filePath + "\"", "Error", MessageBoxButtons.OK);
return;
}
reader.SetFileName(filePath);
reader.Update(); // here we read the file actually
vtkStructuredGridGeometryFilter geometryFilter = vtkStructuredGridGeometryFilter.New();
geometryFilter.SetInputConnection(reader.GetOutputPort());
geometryFilter.Update();
// Visualize
vtkPolyDataMapper mapper = vtkPolyDataMapper.New();
mapper.SetInputConnection(geometryFilter.GetOutputPort());
// actor
vtkActor actor = vtkActor.New();
actor.SetMapper(mapper);
// get a reference to the renderwindow of our renderWindowControl1
vtkRenderWindow renderWindow = renderWindowControl1.RenderWindow;
// renderer
vtkRenderer renderer = renderWindow.GetRenderers().GetFirstRenderer();
// set background color
renderer.SetBackground(0.2, 0.3, 0.4);
// add our actor to the renderer
renderer.AddActor(actor);
}