public void ReadPointIntoObject(RenderWindowControl renderWindowControl, List <nvmPointModel> listPointModel)
{
vtkUnsignedCharArray colors = vtkUnsignedCharArray.New();
colors.SetNumberOfComponents(3);
colors.SetName("Colors");
vtkPoints points = vtkPoints.New();
foreach (var point in listPointModel)
{
colors.InsertNextValue(byte.Parse(point.color.X.ToString(), CultureInfo.InvariantCulture));
colors.InsertNextValue(byte.Parse(point.color.Y.ToString(), CultureInfo.InvariantCulture));
colors.InsertNextValue(byte.Parse(point.color.Z.ToString(), CultureInfo.InvariantCulture));
points.InsertNextPoint(
double.Parse(point.position.X.ToString(), CultureInfo.InvariantCulture),
double.Parse(point.position.Y.ToString(), CultureInfo.InvariantCulture),
double.Parse(point.position.Z.ToString(), CultureInfo.InvariantCulture));
}
vtkPolyData polydata = vtkPolyData.New();
polydata.SetPoints(points);
polydata.GetPointData().SetScalars(colors);
vtkVertexGlyphFilter glyphFilter = vtkVertexGlyphFilter.New();
glyphFilter.SetInputConnection(polydata.GetProducerPort());
// Visualize
vtkPolyDataMapper mapper = vtkPolyDataMapper.New();
mapper.SetInputConnection(glyphFilter.GetOutputPort());
vtkActor actor = vtkActor.New();
actor.SetMapper(mapper);
actor.GetProperty().SetPointSize(2);
// get a reference to the renderwindow of our renderWindowControl1
vtkRenderWindow renderWindow = renderWindowControl.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);
renderer.ResetCamera();
}
private void ColoredLines()
{
// Create three points. Join (Origin and P0) with a red line and
// (Origin and P1) with a green line
double[] origin = new double[] { 0.0, 0.0, 0.0 };
double[] p0 = new double[] { 1.0, 0.0, 0.0 };
double[] p1 = new double[] { 0.0, 1.0, 0.0 };
// Create a vtkPoints object and store the points in it
vtkPoints pts = vtkPoints.New();
pts.InsertNextPoint(origin[0], origin[1], origin[2]);
pts.InsertNextPoint(p0[0], p0[1], p0[2]);
pts.InsertNextPoint(p1[0], p1[1], p1[2]);
// Setup two colors - one for each line
byte[] red = new byte[] { 255, 0, 0 };
byte[] green = new byte[] { 0, 255, 0 };
// Setup the colors array
vtkUnsignedCharArray colors = vtkUnsignedCharArray.New();
colors.SetNumberOfComponents(3);
colors.SetName("Colors");
// Add the colors we created to the colors array
colors.InsertNextValue(red[0]);
colors.InsertNextValue(red[1]);
colors.InsertNextValue(red[2]);
colors.InsertNextValue(green[0]);
colors.InsertNextValue(green[1]);
colors.InsertNextValue(green[2]);
// Create the first line (between Origin and P0)
vtkLine line0 = vtkLine.New();
line0.GetPointIds().SetId(0, 0); //the second 0 is the index of the Origin in the vtkPoints
line0.GetPointIds().SetId(1, 1); //the second 1 is the index of P0 in the vtkPoints
// Create the second line (between Origin and P1)
vtkLine line1 = vtkLine.New();
line1.GetPointIds().SetId(0, 0); //the second 0 is the index of the Origin in the vtkPoints
line1.GetPointIds().SetId(1, 2); //2 is the index of P1 in the vtkPoints
// Create a cell array to store the lines in and add the lines to it
vtkCellArray lines = vtkCellArray.New();
lines.InsertNextCell(line0);
lines.InsertNextCell(line1);
// Create a polydata to store everything in
vtkPolyData linesPolyData = vtkPolyData.New();
// Add the points to the dataset
linesPolyData.SetPoints(pts);
// Add the lines to the dataset
linesPolyData.SetLines(lines);
// Color the lines - associate the first component (red) of the
// colors array with the first component of the cell array (line 0)
// and the second component (green) of the colors array with the
// second component of the cell array (line 1)
linesPolyData.GetCellData().SetScalars(colors);
vtkPolyDataMapper mapper = vtkPolyDataMapper.New();
mapper.SetInput(linesPolyData);
// create an actor
vtkActor actor = vtkActor.New();
actor.SetMapper(mapper);
RenderAddActor(actor);
}
