public void SetDefaultColor()
{
vtkUnsignedCharArray cellColors = new vtkUnsignedCharArray();
cellColors.SetNumberOfComponents(3);
int cellNum = this.GetMapper().GetInput().GetNumberOfCells();
cellColors.SetNumberOfTuples(cellNum);
for (int i = 0; i < cellNum; ++i)
{
cellColors.SetTuple3(i, this.m_defaultColor[0], this.m_defaultColor[1], this.m_defaultColor[2]);
}
this.GetMapper().GetInput().GetCellData().SetScalars(cellColors);
vtkUnsignedCharArray ptColors = new vtkUnsignedCharArray();
ptColors.SetNumberOfComponents(3);
int ptNum = this.GetMapper().GetInput().GetNumberOfPoints();
ptColors.SetNumberOfTuples(ptNum);
for (int i = 0; i < ptNum; i++)
{
ptColors.SetTuple3(i, this.m_defaultColor[0], this.m_defaultColor[1], this.m_defaultColor[2]);
}
this.GetMapper().GetInput().GetPointData().SetScalars(ptColors);
// this.GetMapper().SetScalarModeToUsePointData();
this.GetMapper().SetScalarModeToUseCellData();
this.GetMapper().Update();
}
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();
}
/// <summary>
/// 当有点和cell被选择是更新颜色
/// </summary>
public override void UpdateSelectedColor()
{
///cell
if (m_selectedCellsIds != null && m_selectedCellsIds.Count > 0)
{
vtkUnsignedCharArray colors = new vtkUnsignedCharArray();
colors.SetNumberOfComponents(3);
int cellNum = this.GetMapper().GetInput().GetNumberOfCells();
colors.SetNumberOfTuples(cellNum);
for (int i = 0; i < cellNum; ++i)
{
colors.SetTuple3(i, m_defaultColor [0], m_defaultColor [1], m_defaultColor [2]);
}
foreach (int cellID in m_selectedCellsIds.Keys)
{
colors.SetTuple3(cellID, ModelUtils.SelectedColor[0], ModelUtils.SelectedColor[1],
ModelUtils.SelectedColor[2]);
}
this.GetMapper().GetInput().GetCellData().SetScalars(colors);
}
///point
else if (m_selectedPointsIds != null && m_selectedPointsIds.Count > 0)
{
vtkUnsignedCharArray ptcolors = new vtkUnsignedCharArray();
ptcolors.SetNumberOfComponents(3);
int ptNum = this.GetMapper().GetInput().GetNumberOfPoints();
ptcolors.SetNumberOfTuples(ptNum);
for (int i = 0; i < ptNum; ++i)
{
ptcolors.SetTuple3(i, m_defaultColor[0], m_defaultColor[1], m_defaultColor[2]);
}
foreach (int ptid in m_selectedPointsIds.Keys)
{
ptcolors.SetTuple3(ptid, ModelUtils.SelectedColor[0], ModelUtils.SelectedColor[1], ModelUtils.SelectedColor[2]);
}
this.GetMapper().SetScalarModeToUsePointData();
this.GetMapper().GetInput().GetPointData().SetScalars(ptcolors);
//this.GetProperty().SetPointSize(4);
//this.GetProperty().SetRepresentationToPoints();
}
this.GetMapper().Update();
}
private void ElevationFilter()
{
// Created a grid of points (heigh/terrian map)
vtkPoints points = vtkPoints.New();
uint GridSize = 10;
for (uint x = 0; x < GridSize; x++)
{
for (uint y = 0; y < GridSize; y++)
{
points.InsertNextPoint(x, y, (x + y) / (y + 1));
}
}
double[] bounds = points.GetBounds();
// Add the grid points to a polydata object
vtkPolyData inputPolyData = vtkPolyData.New();
inputPolyData.SetPoints(points);
// Triangulate the grid points
vtkDelaunay2D delaunay = vtkDelaunay2D.New();
#if VTK_MAJOR_VERSION_5
delaunay.SetInput(inputPolyData);
#else
delaunay.SetInputData(inputPolyData);
#endif
delaunay.Update();
vtkElevationFilter elevationFilter = vtkElevationFilter.New();
elevationFilter.SetInputConnection(delaunay.GetOutputPort());
elevationFilter.SetLowPoint(0.0, 0.0, bounds[4]);
elevationFilter.SetHighPoint(0.0, 0.0, bounds[5]);
elevationFilter.Update();
vtkPolyData output = vtkPolyData.New();
output.ShallowCopy(vtkPolyData.SafeDownCast(elevationFilter.GetOutput()));
vtkFloatArray elevation =
vtkFloatArray.SafeDownCast(output.GetPointData().GetArray("Elevation"));
// Create the color map
vtkLookupTable colorLookupTable = vtkLookupTable.New();
colorLookupTable.SetTableRange(bounds[4], bounds[5]);
colorLookupTable.Build();
// Generate the colors for each point based on the color map
vtkUnsignedCharArray colors = vtkUnsignedCharArray.New();
colors.SetNumberOfComponents(3);
colors.SetName("Colors");
for (int i = 0; i < output.GetNumberOfPoints(); i++)
{
double val = elevation.GetValue(i);
Debug.WriteLine("val: " + val);
double[] dcolor = colorLookupTable.GetColor(val);
//Debug.WriteLine("dcolor: "
// + dcolor[0] + " "
// + dcolor[1] + " "
// + dcolor[2]);
byte[] color = new byte[3];
for (int j = 0; j < 3; j++)
{
color[j] = (byte)(255 * dcolor[j]);
}
//Debug.WriteLine("color: "
// + color[0] + " "
// + color[1] + " "
// + color[2]);
colors.InsertNextTuple3(color[0], color[1], color[2]);
}
output.GetPointData().AddArray(colors);
// Visualize
vtkPolyDataMapper mapper = vtkPolyDataMapper.New();
#if VTK_MAJOR_VERSION_5
mapper.SetInputConnection(output.GetProducerPort());
#else
mapper.SetInputData(output);
#endif
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 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);
}
private void ColoredElevationMap()
{
// Create a grid of points (height/terrian map)
vtkPoints points = vtkPoints.New();
uint GridSize = 20;
double xx, yy, zz;
for (uint x = 0; x < GridSize; x++)
{
for (uint y = 0; y < GridSize; y++)
{
xx = x + vtkMath.Random(-.2, .2);
yy = y + vtkMath.Random(-.2, .2);
zz = vtkMath.Random(-.5, .5);
points.InsertNextPoint(xx, yy, zz);
}
}
// Add the grid points to a polydata object
vtkPolyData inputPolyData = vtkPolyData.New();
inputPolyData.SetPoints(points);
// Triangulate the grid points
vtkDelaunay2D delaunay = vtkDelaunay2D.New();
#if VTK_MAJOR_VERSION_5
delaunay.SetInput(inputPolyData);
#else
delaunay.SetInputData(inputPolyData);
#endif
delaunay.Update();
vtkPolyData outputPolyData = delaunay.GetOutput();
double[] bounds = outputPolyData.GetBounds();
// Find min and max z
double minz = bounds[4];
double maxz = bounds[5];
Debug.WriteLine("minz: " + minz);
Debug.WriteLine("maxz: " + maxz);
// Create the color map
vtkLookupTable colorLookupTable = vtkLookupTable.New();
colorLookupTable.SetTableRange(minz, maxz);
colorLookupTable.Build();
// Generate the colors for each point based on the color map
vtkUnsignedCharArray colors = vtkUnsignedCharArray.New();
colors.SetNumberOfComponents(3);
colors.SetName("Colors");
Debug.WriteLine("There are " + outputPolyData.GetNumberOfPoints()
+ " points.");
#if UNSAFE // fastest way to fill color array
colors.SetNumberOfTuples(outputPolyData.GetNumberOfPoints());
unsafe {
byte *pColor = (byte *)colors.GetPointer(0).ToPointer();
for (int i = 0; i < outputPolyData.GetNumberOfPoints(); i++)
{
double[] p = outputPolyData.GetPoint(i);
double[] dcolor = colorLookupTable.GetColor(p[2]);
Debug.WriteLine("dcolor: "
+ dcolor[0] + " "
+ dcolor[1] + " "
+ dcolor[2]);
byte[] color = new byte[3];
for (uint j = 0; j < 3; j++)
{
color[j] = (byte)(255 * dcolor[j]);
}
Debug.WriteLine("color: "
+ color[0] + " "
+ color[1] + " "
+ color[2]);
*(pColor + 3 * i) = color[0];
*(pColor + 3 * i + 1) = color[1];
*(pColor + 3 * i + 2) = color[2];
}
}
#else
for (int i = 0; i < outputPolyData.GetNumberOfPoints(); i++)
{
double[] p = outputPolyData.GetPoint(i);
double[] dcolor = colorLookupTable.GetColor(p[2]);
Debug.WriteLine("dcolor: "
+ dcolor[0] + " "
+ dcolor[1] + " "
+ dcolor[2]);
byte[] color = new byte[3];
for (uint j = 0; j < 3; j++)
{
color[j] = (byte)(255 * dcolor[j]);
}
Debug.WriteLine("color: "
+ color[0] + " "
+ color[1] + " "
+ color[2]);
colors.InsertNextTuple3(color[0], color[1], color[2]);
//IntPtr pColor = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(byte)) * 3);
//Marshal.Copy(color, 0, pColor, 3);
//colors.InsertNextTupleValue(pColor);
//Marshal.FreeHGlobal(pColor);
}
#endif
outputPolyData.GetPointData().SetScalars(colors);
// Create a mapper and actor
vtkPolyDataMapper mapper = vtkPolyDataMapper.New();
#if VTK_MAJOR_VERSION_5
mapper.SetInputConnection(outputPolyData.GetProducerPort());
#else
mapper.SetInputData(outputPolyData);
#endif
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);
}
public void SetPosition(List <double[]> xyz1, List <double> radius)
{
this._xyz = xyz1;
_points = vtkPoints.New();
for (int index = 0; index < xyz1.Count; index++)
{
double[] doubles = xyz1[index];
_points.InsertPoint(index, doubles[0], doubles[1], doubles[2]);
}
_lines = vtkCellArray.New();
_lines.InsertNextCell(xyz1.Count);
for (int index = 0; index < xyz1.Count; index++)
{
_lines.InsertCellPoint(index);
}
_profileData = vtkPolyData.New();
_profileData.SetPoints(_points);
_profileData.SetLines(_lines);
_profileData.BuildLinks((int)_points.GetNumberOfPoints());
vtkUnsignedCharArray radiusArray = vtkUnsignedCharArray.New();
radiusArray.SetNumberOfComponents(1);
foreach (var item in radius)
{
radiusArray.InsertNextTuple1(Math.Max(1, item));
}
_profileData.GetPointData().SetScalars(radiusArray);
_profileData.Update();
_cleanFilter = vtkCleanPolyData.New();
_cleanFilter.SetInput(_profileData);
_cleanFilter.Update();
_profileTubes = vtkTubeFilter.New();
//_profileTubes.CappingOn();
_profileTubes.SetNumberOfSides(20);
//_profileTubes.SetInput(_cleanFilter.GetOutput());
_profileTubes.SetInput(_profileData);
_profileTubes.SetVaryRadiusToVaryRadiusOff();
_profileTubes.SetVaryRadiusToVaryRadiusByScalar();
double[] tuberad_range = radiusArray.GetRange();
_profileTubes.SetRadius(tuberad_range[0]);
_profileTubes.SetRadiusFactor(tuberad_range[1] / tuberad_range[0]);
//_profileTubes.SetRadius(0.5);
//_profileTubes.SetRadiusFactor(20);
//_profileTubes.Update();
//_profileTubes.SetInputArrayToProcess(1, 0, 0, 0, "vectors");
//vtkPolyDataMapper profileMapper = new vtkPolyDataMapper();
//profileMapper.SetInputConnection(profileTubes.GetOutputPort());
PolyData = _profileTubes.GetOutput();
_mapper = vtkPolyDataMapper.New();
_mapper.ScalarVisibilityOff();
_mapper.SetInput(_profileTubes.GetOutput());
centerLineActor.SetMapper(_mapper);
}
