/// <summary>
/// 根据节点和单元信息来Mapper
/// </summary>
public void ConstructActor()
{
if (m_cells.GetNumberOfCells() < 0)
{
Debug.Fail("m_tetraElements没有cell");
}
m_gridData.SetPoints(m_points);
m_gridData.SetCells((int)VTKCellType.VTK_TETRA, m_cells);
//AddVertex(m_points, m_gridData);//添加vertex
//vtkVertexGlyphFilter filter = new vtkVertexGlyphFilter();
//filter.SetInput(m_gridData);
////
vtkDataSetMapper dataSetMapper = new vtkDataSetMapper();
dataSetMapper.SetInput(m_gridData);
//dataSetMapper.SetInput(filter.GetOutput ());
this.SetMapper(dataSetMapper);
this.GetProperty().SetPointSize(5);
m_defaultColor = ModelUtils.GetRandomColor256();//获取随机颜色
SetDefaultColor();
this.GetProperty().SetEdgeVisibility(1);
}
private void Tetrahedron()
{
vtkPoints points = vtkPoints.New();
points.InsertNextPoint(0, 0, 0);
points.InsertNextPoint(1, 0, 0);
points.InsertNextPoint(1, 1, 0);
points.InsertNextPoint(0, 1, 1);
points.InsertNextPoint(5, 5, 5);
points.InsertNextPoint(6, 5, 5);
points.InsertNextPoint(6, 6, 5);
points.InsertNextPoint(5, 6, 6);
// Method 1
vtkUnstructuredGrid unstructuredGrid1 = vtkUnstructuredGrid.New();
unstructuredGrid1.SetPoints(points);
int[] ptIds = new int[] { 0, 1, 2, 3 };
IntPtr ptIdsPointer = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(int)) * 4);
Marshal.Copy(ptIds, 0, ptIdsPointer, 4);
unstructuredGrid1.InsertNextCell(10, 4, ptIdsPointer);
Marshal.FreeHGlobal(ptIdsPointer);
// Method 2
vtkUnstructuredGrid unstructuredGrid2 = vtkUnstructuredGrid.New();
unstructuredGrid2.SetPoints(points);
vtkTetra tetra = vtkTetra.New();
tetra.GetPointIds().SetId(0, 4);
tetra.GetPointIds().SetId(1, 5);
tetra.GetPointIds().SetId(2, 6);
tetra.GetPointIds().SetId(3, 7);
vtkCellArray cellArray = vtkCellArray.New();
cellArray.InsertNextCell(tetra);
unstructuredGrid2.SetCells(10, cellArray);
// Create a mapper and actor
vtkDataSetMapper mapper1 = vtkDataSetMapper.New();
mapper1.SetInputConnection(unstructuredGrid1.GetProducerPort());
vtkActor actor1 = vtkActor.New();
actor1.SetMapper(mapper1);
// Create a mapper and actor
vtkDataSetMapper mapper2 = vtkDataSetMapper.New();
mapper2.SetInputConnection(unstructuredGrid2.GetProducerPort());
vtkActor actor2 = vtkActor.New();
actor2.SetMapper(mapper2);
vtkRenderWindow renderWindow = myRenderWindowControl.RenderWindow;
vtkRenderer renderer = renderWindow.GetRenderers().GetFirstRenderer();
renderer.SetBackground(0.2, 0.3, 0.4);
// Add the actor to the scene
renderer.AddActor(actor1);
renderer.AddActor(actor2);
renderer.SetBackground(.3, .6, .3); // Background color green
}
public void WritSimpleVTM()
{
string filePath = "..\\..\\..\\..\\..\\03Daten\\testData\\simpleTest8Points.vtm";
vtkMultiBlockDataSet multiBlockDataSet = vtkMultiBlockDataSet.New();
multiBlockDataSet.SetNumberOfBlocks(2);
vtkUnstructuredGrid unstructuredGrid1 = vtkUnstructuredGrid.New();
vtkPoints points1 = vtkPoints.New();
points1.InsertNextPoint(0, 0, 0);
points1.InsertNextPoint(1, 0, 0);
points1.InsertNextPoint(1, 1, 0);
points1.InsertNextPoint(0, 1, 1);
vtkPoints points2 = vtkPoints.New();
points1.InsertNextPoint(2, 0, 0);
points1.InsertNextPoint(2, 2, 0);
points1.InsertNextPoint(2, 2, 3);
points1.InsertNextPoint(0, 2, 3);
vtkTetra tetra = vtkTetra.New();
tetra.GetPointIds().SetId(0, 0);
tetra.GetPointIds().SetId(1, 1);
tetra.GetPointIds().SetId(2, 2);
tetra.GetPointIds().SetId(3, 3);
vtkCellArray cellArray1 = vtkCellArray.New();
cellArray1.InsertNextCell(tetra);
unstructuredGrid1.SetPoints(points1);
const int VTK_TETRA = 10;
unstructuredGrid1.SetCells(VTK_TETRA, cellArray1);
vtkCellArray cellArray2 = vtkCellArray.New();
tetra = vtkTetra.New();
tetra.GetPointIds().SetId(0, 4);
tetra.GetPointIds().SetId(1, 5);
tetra.GetPointIds().SetId(2, 6);
tetra.GetPointIds().SetId(3, 7);
cellArray2.InsertNextCell(tetra);
tetra = vtkTetra.New();
tetra.GetPointIds().SetId(0, 7);
tetra.GetPointIds().SetId(1, 5);
tetra.GetPointIds().SetId(2, 2);
tetra.GetPointIds().SetId(3, 4);
cellArray2.InsertNextCell(tetra);
vtkUnstructuredGrid unstructuredGrid = vtkUnstructuredGrid.New();
unstructuredGrid.SetPoints(points1);
unstructuredGrid.SetCells(VTK_TETRA, cellArray2);
multiBlockDataSet.SetBlock(0, unstructuredGrid1);
multiBlockDataSet.SetBlock(1, unstructuredGrid);
// Write file
vtkXMLMultiBlockDataWriter writer = vtkXMLMultiBlockDataWriter.New();
writer.SetFileName(filePath);
writer.SetInput(multiBlockDataSet);
writer.Write();
}
public void WriteSimpleVTUExample()
{
string filePath = "C:\\DatenE\\02Studium\\02WiSe1718\\06IndividualProjekt\\03Daten\\testData\\simpleTest4Points.vtu";
vtkPoints points = vtkPoints.New();
points.InsertNextPoint(0, 0, 0);
points.InsertNextPoint(1, 0, 0);
points.InsertNextPoint(1, 1, 0);
points.InsertNextPoint(0, 1, 1);
points.InsertNextPoint(2, 0, 0);
//points.InsertNextPoint(2, 2, 0);
vtkTetra tetra = vtkTetra.New();
tetra.GetPointIds().SetId(0, 0);
tetra.GetPointIds().SetId(1, 1);
tetra.GetPointIds().SetId(2, 2);
tetra.GetPointIds().SetId(3, 3);
vtkCellArray cellArray = vtkCellArray.New();
cellArray.InsertNextCell(tetra);
tetra.GetPointIds().SetId(0, 1);
tetra.GetPointIds().SetId(1, 0);
tetra.GetPointIds().SetId(2, 3);
tetra.GetPointIds().SetId(3, 2);
cellArray.InsertNextCell(tetra);
tetra.GetPointIds().SetId(0, 0);
tetra.GetPointIds().SetId(1, 2);
tetra.GetPointIds().SetId(2, 3);
tetra.GetPointIds().SetId(3, 1);
cellArray.InsertNextCell(tetra);
tetra.GetPointIds().SetId(0, 3);
tetra.GetPointIds().SetId(1, 1);
tetra.GetPointIds().SetId(2, 0);
tetra.GetPointIds().SetId(3, 2);
cellArray.InsertNextCell(tetra);
tetra.GetPointIds().SetId(0, 3);
tetra.GetPointIds().SetId(1, 0);
tetra.GetPointIds().SetId(2, 2);
tetra.GetPointIds().SetId(3, 4);
cellArray.InsertNextCell(tetra);
//tetra.GetPointIds().SetId(0, 4);
//tetra.GetPointIds().SetId(1, 3);
//tetra.GetPointIds().SetId(2, 0);
//tetra.GetPointIds().SetId(3, 2);
//cellArray.InsertNextCell(tetra);
vtkUnstructuredGrid unstructuredGrid = vtkUnstructuredGrid.New();
unstructuredGrid.SetPoints(points);
const int VTK_TETRA = 10;
unstructuredGrid.SetCells(VTK_TETRA, cellArray);
// vX
vtkDoubleArray scalarsX = new vtkDoubleArray();
scalarsX.SetNumberOfValues(5);
scalarsX.SetValue(0, 4);
scalarsX.SetValue(1, 1);
scalarsX.SetValue(2, 2);
scalarsX.SetValue(3, 3);
scalarsX.SetValue(4, 1);
//scalarsX.SetValue(5, 2);
scalarsX.SetName("Vx");
unstructuredGrid.GetPointData().AddArray(scalarsX);
// vY
vtkDoubleArray scalarsY = new vtkDoubleArray();
scalarsY.SetNumberOfValues(5);
scalarsY.SetValue(0, 1);
scalarsY.SetValue(1, 2);
scalarsY.SetValue(2, 3);
scalarsY.SetValue(3, 4);
scalarsY.SetValue(4, 1);
//scalarsY.SetValue(5, 2);
scalarsY.SetName("Vy");
unstructuredGrid.GetPointData().AddArray(scalarsY);
// vZ
vtkDoubleArray scalarsZ = new vtkDoubleArray();
scalarsZ.SetNumberOfValues(5);
scalarsZ.SetValue(0, 3);
scalarsZ.SetValue(1, 1);
scalarsZ.SetValue(2, 4);
scalarsZ.SetValue(3, 2);
scalarsZ.SetValue(4, 1);
//scalarsZ.SetValue(5, 2);
scalarsZ.SetName("Vz");
unstructuredGrid.GetPointData().AddArray(scalarsZ);
// Write file
vtkXMLUnstructuredGridWriter writer = vtkXMLUnstructuredGridWriter.New();
writer.SetFileName(filePath);
writer.SetInput(unstructuredGrid);
writer.Write();
}
public void WriteVTUTriangle(string filePath, List <Vector3d> point_data, List <Vector3> trianglepoints, Dictionary <String, vtkDataArray> scalar_dataArray, List <String> arrayNames, int numberOfPoints, int numberOfTetraPoints)
{
vtkPoints points = vtkPoints.New();
for (int i = 0; i < numberOfPoints; i++)
{
points.InsertNextPoint(point_data[i].X, point_data[i].Y, point_data[i].Z);
}
vtkUnstructuredGrid unstructuredGrid = vtkUnstructuredGrid.New();
vtkCellArray cellArrayOne = vtkCellArray.New();
for (int i = 0; i < numberOfTetraPoints; i++)
{
vtkTriangle triangle = vtkTriangle.New();
triangle.GetPointIds().SetId(0, (long)trianglepoints[i][0]);
triangle.GetPointIds().SetId(1, (long)trianglepoints[i][1]);
triangle.GetPointIds().SetId(2, (long)trianglepoints[i][2]);
cellArrayOne.InsertNextCell(triangle);
}
unstructuredGrid.SetPoints(points);
const int VTK_TRIANGLE = 5;
unstructuredGrid.SetCells(VTK_TRIANGLE, cellArrayOne);
int numberOfScalarData = scalar_dataArray.Count();
for (int i = 0; i < numberOfScalarData; i++)
{
scalar_dataArray.TryGetValue(arrayNames[i], out vtkDataArray scalars);
unstructuredGrid.GetPointData().AddArray(scalars);
}
// add file ending if it is not existent
string suffix = (".vtu");
if (!(filePath.EndsWith(suffix)))
{
filePath += suffix;
}
// Write file
vtkXMLUnstructuredGridWriter writer = vtkXMLUnstructuredGridWriter.New();
writer.SetFileName(filePath);
writer.SetInput(unstructuredGrid);
writer.Write();
// Read and display file for verification that it was written correctly
vtkXMLUnstructuredGridReader reader = vtkXMLUnstructuredGridReader.New();
if (reader.CanReadFile(filePath) == 0)
{
//MessageBox.Show("Cannot read file \"" + filePath + "\"", "Error", MessageBoxButtons.OK);
return;
}
Console.WriteLine("VTU file was writen and is saved at {0}", filePath);
}
public void WriteVTM(string filePath, List <Vector3d> point_data, List <Vector4> tetrapoints, Dictionary <String, vtkDataArray> scalar_dataArray, List <String> arrayNames, int numberOfPoints, int numberOfTetraPoints)
{
vtkPoints points = vtkPoints.New();
for (int i = 0; i < numberOfPoints; i++)
{
points.InsertNextPoint(point_data[i].X, point_data[i].Y, point_data[i].Z);
}
vtkMultiBlockDataSet multiBlockDataSet = vtkMultiBlockDataSet.New();
double countBlocks = Math.Ceiling((double)((1.0 * numberOfTetraPoints) / 1000000));
multiBlockDataSet.SetNumberOfBlocks((uint)1);
for (int j = 0; j < 1; j++)
{
vtkUnstructuredGrid unstructuredGrid = vtkUnstructuredGrid.New();
vtkCellArray cellArrayOne = vtkCellArray.New();
int countTetras = 0;
int startTetras = j * 1000000;
if (numberOfTetraPoints < (j * 1000000) + 1000000)
{
countTetras = numberOfTetraPoints;
}
else
{
countTetras = (j * 1000000) + 1000000;
}
for (int i = startTetras; i < tetrapoints.Count(); i++)
{
vtkTetra tetra = vtkTetra.New();
tetra.GetPointIds().SetId(0, (long)tetrapoints[i][0]);
tetra.GetPointIds().SetId(1, (long)tetrapoints[i][1]);
tetra.GetPointIds().SetId(2, (long)tetrapoints[i][2]);
tetra.GetPointIds().SetId(3, (long)tetrapoints[i][3]);
cellArrayOne.InsertNextCell(tetra);
}
//for (int i = 0; i < tetrapoints2.Count(); i++)
//{
// vtkTetra tetra = vtkTetra.New();
// tetra.GetPointIds().SetId(0, (long)tetrapoints2[i][0]);
// tetra.GetPointIds().SetId(1, (long)tetrapoints2[i][1]);
// tetra.GetPointIds().SetId(2, (long)tetrapoints2[i][2]);
// tetra.GetPointIds().SetId(3, (long)tetrapoints2[i][3]);
// cellArrayOne.InsertNextCell(tetra);
//}
unstructuredGrid.SetPoints(points);
const int VTK_TETRA = 10;
unstructuredGrid.SetCells(VTK_TETRA, cellArrayOne);
int numberOfScalarData = scalar_dataArray.Count();
for (int i = 0; i < numberOfScalarData; i++)
{
scalar_dataArray.TryGetValue(arrayNames[i], out vtkDataArray scalars);
unstructuredGrid.GetPointData().AddArray(scalars);
}
multiBlockDataSet.SetBlock((uint)j, unstructuredGrid);
}
// add file ending if it is not existent
string suffix = (".vtm");
if (!(filePath.EndsWith(suffix)))
{
filePath += suffix;
}
// Write file
vtkXMLMultiBlockDataWriter writer = vtkXMLMultiBlockDataWriter.New();
writer.SetFileName(filePath);
writer.SetInput(multiBlockDataSet);
writer.Write();
// Read and display file for verification that it was written correctly
vtkXMLMultiBlockDataReader reader = vtkXMLMultiBlockDataReader.New();
if (reader.CanReadFile(filePath) == 0)
{
//MessageBox.Show("Cannot read file \"" + filePath + "\"", "Error", MessageBoxButtons.OK);
return;
}
Console.WriteLine("VTU file was writen and is saved at {0}", filePath);
}
private void WriteVTUFile()
{
// 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\tetra_test.vtu");
vtkPoints points = vtkPoints.New();
points.InsertNextPoint(0, 0, 0);
points.InsertNextPoint(1, 0, 0);
points.InsertNextPoint(1, 1, 0);
points.InsertNextPoint(0, 1, 1);
vtkTetra tetra = vtkTetra.New();
tetra.GetPointIds().SetId(0, 0);
tetra.GetPointIds().SetId(1, 1);
tetra.GetPointIds().SetId(2, 2);
tetra.GetPointIds().SetId(3, 3);
vtkCellArray cellArray = vtkCellArray.New();
cellArray.InsertNextCell(tetra);
vtkUnstructuredGrid unstructuredGrid = vtkUnstructuredGrid.New();
unstructuredGrid.SetPoints(points);
const int VTK_TETRA = 10;
unstructuredGrid.SetCells(VTK_TETRA, cellArray);
// Write file
vtkXMLUnstructuredGridWriter writer = vtkXMLUnstructuredGridWriter.New();
writer.SetFileName(filePath);
writer.SetInput(unstructuredGrid);
writer.Write();
// Read and display file for verification that it was written correctly
vtkXMLUnstructuredGridReader reader = vtkXMLUnstructuredGridReader.New();
if (reader.CanReadFile(filePath) == 0)
{
MessageBox.Show("Cannot read file \"" + filePath + "\"", "Error", MessageBoxButtons.OK);
return;
}
reader.SetFileName(filePath);
reader.Update();
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);
}