/// <summary>
/// Changes the actors to whatever the
/// animal currently loaded is
/// </summary>
public void updateAnimal()
{
//----Go through the pipeline for the animal body
//Convert the polydata to triangles (in the default files they are rectangles)
triangleAnimal.SetInputConnection(animalData);
if (this.checkBox1.Checked)
{
//smooth the polydata
cleanAnimal.SetInputConnection(triangleAnimal.GetOutputPort());
smoothAnimal.SetInputConnection(cleanAnimal.GetOutputPort());
normalsAnimal.SetInputConnection(smoothAnimal.GetOutputPort());
//connect the smoothed data to a mapper
animalMapper.SetInputConnection(normalsAnimal.GetOutputPort());
//decimate the smoothed polydata
decimateAnimal.SetInputConnection(normalsAnimal.GetOutputPort());
}
else
{
//connect the triangle polydata to a mapper before decimation
animalMapper.SetInputConnection(triangleAnimal.GetOutputPort());
//decimate the triangled data
decimateAnimal.SetInputConnection(triangleAnimal.GetOutputPort());
}
double targetreduc = 0.5;
if (double.TryParse(toolStripTextBox1.Text, out targetreduc))
{
decimateAnimal.SetTargetReduction(targetreduc);
}
decimateAnimal.SetPreserveTopology(0);
//connect the decimated polydata a mapper
deciAnimalMapper.SetInputConnection(decimateAnimal.GetOutputPort());
//----Go through the pipeline for the first eye
//Convert the polydata to triangles (in the default files they are rectangles)
triangles.SetInputConnection(eyeData1);
if (this.checkBox1.Checked)
{
//smooth the polydata
clean.SetInputConnection(triangles.GetOutputPort());
smooth.SetInputConnection(clean.GetOutputPort());
normals.SetInputConnection(smooth.GetOutputPort());
//connect the smoothed data to a mapper
sphereTexture.SetInputConnection(normals.GetOutputPort());
//decimate the smoothed polydata
eyeMapper1.SetInputConnection(sphereTexture.GetOutputPort());
}
else
{
sphereTexture.SetInputConnection(triangles.GetOutputPort());
//connect the triangle polydata to a mapper before decimation
eyeMapper1.SetInputConnection(sphereTexture.GetOutputPort());
}
decimate.SetInputConnection(sphereTexture.GetOutputPort());
if (double.TryParse(toolStripTextBox1.Text, out targetreduc))
{
decimate.SetTargetReduction(targetreduc);
}
decimate.SetPreserveTopology(0);
//connect the decimated polydata a mapper
deciEyeMapper1.SetInputConnection(decimate.GetOutputPort());
//----Go through the pipeline for the second eye
//Convert the polydata to triangles (in the default files they are rectangles)
triangles.SetInputConnection(eyeData1);
if (this.checkBox1.Checked)
{
//smooth the polydata
clean.SetInputConnection(triangles.GetOutputPort());
smooth.SetInputConnection(clean.GetOutputPort());
normals.SetInputConnection(smooth.GetOutputPort());
//connect the smoothed data to a mapper
sphereTexture.SetInputConnection(normals.GetOutputPort());
//decimate the smoothed polydata
eyeMapper2.SetInputConnection(sphereTexture.GetOutputPort());
}
else
{
sphereTexture.SetInputConnection(triangles.GetOutputPort());
//connect the triangle polydata to a mapper before decimation
eyeMapper2.SetInputConnection(sphereTexture.GetOutputPort());
}
decimate.SetInputConnection(sphereTexture.GetOutputPort());
if (double.TryParse(toolStripTextBox1.Text, out targetreduc))
{
decimate.SetTargetReduction(targetreduc);
}
decimate.SetPreserveTopology(0);
//connect the decimated polydata a mapper
deciEyeMapper2.SetInputConnection(decimate.GetOutputPort());
//----Set the textures and position of the decimated model
deciAnimalActor.SetMapper(deciAnimalMapper);
if (this.checkBox2.Checked)
{
deciAnimalActor.SetTexture(deciAnimalColorTexture);
}
else
{
deciAnimalActor.SetTexture(null);
}
deciEyeActor1.SetMapper(deciEyeMapper1);
if (this.checkBox2.Checked)
{
deciEyeActor1.SetTexture(eyeColorTexture1);
deciEyeActor1.SetTexture(deciEyeColorTexture1);
}
else
{
deciEyeActor1.SetTexture(null);
}
deciEyeActor1.SetPosition(eyeX, eyeY, eyeZ);
deciEyeActor2.SetMapper(deciEyeMapper2);
if (this.checkBox2.Checked)
{
deciEyeActor2.SetTexture(eyeColorTexture2);
deciEyeActor2.SetTexture(deciEyeColorTexture2);
}
else
{
deciEyeActor2.SetTexture(null);
}
deciEyeActor2.SetPosition(-eyeX, eyeY, eyeZ);
//----Set the text to the decimated poly count
//Update the mappers to get the number of polygons
deciAnimalMapper.Update();
deciEyeMapper1.Update();
deciEyeMapper2.Update();
textAfter.SetInput(((((vtkPolyData)deciAnimalMapper.GetInput()).GetNumberOfPolys() + ((vtkPolyData)deciEyeMapper1.GetInput()).GetNumberOfPolys() + ((vtkPolyData)deciEyeMapper2.GetInput()).GetNumberOfPolys())).ToString() + " Polygons");
textAfter.SetDisplayPosition(10, 10);
//----Set the textures and position of the decimated model
animalActor.SetMapper(animalMapper);
if (this.checkBox2.Checked)
{
animalActor.SetTexture(animalColorTexture);
}
else
{
animalActor.SetTexture(null);
}
eyeActor1.SetMapper(eyeMapper1);
if (this.checkBox2.Checked)
{
eyeActor1.SetTexture(eyeColorTexture1);
}
else
{
eyeActor1.SetTexture(null);
}
eyeActor1.SetPosition(eyeX, eyeY, eyeZ);
eyeActor2.SetMapper(eyeMapper2);
if (this.checkBox2.Checked)
{
eyeActor2.SetTexture(eyeColorTexture2);
}
else
{
eyeActor2.SetTexture(null);
}
eyeActor2.SetPosition(-eyeX, eyeY, eyeZ);
//Update the pipeline to get the number of polygons
animalMapper.Update();
eyeMapper1.Update();
eyeMapper2.Update();
//----Set the text to the full poly count
textBefore.SetInput((((vtkPolyData)animalMapper.GetInput()).GetNumberOfPolys() + ((vtkPolyData)eyeMapper1.GetInput()).GetNumberOfPolys() + ((vtkPolyData)eyeMapper2.GetInput()).GetNumberOfPolys()).ToString() + " Polygons");
textBefore.SetDisplayPosition(10, 10);
}
private void Decimation()
{
vtkSphereSource sphereSource = vtkSphereSource.New();
sphereSource.Update();
vtkPolyData input = vtkPolyData.New();
input.ShallowCopy(sphereSource.GetOutput());
Debug.WriteLine("Before decimation" + Environment.NewLine + "------------");
Debug.WriteLine("There are " + input.GetNumberOfPoints() + " points.");
Debug.WriteLine("There are " + input.GetNumberOfPolys() + " polygons.");
vtkDecimatePro decimate = vtkDecimatePro.New();
#if VTK_MAJOR_VERSION_5
decimate.SetInputConnection(input.GetProducerPort());
#else
decimate.SetInputData(input);
#endif
//decimate.SetTargetReduction(.99); //99% reduction (if there was 100 triangles, now there will be 1)
decimate.SetTargetReduction(.10); //10% reduction (if there was 100 triangles, now there will be 90)
decimate.Update();
vtkPolyData decimated = vtkPolyData.New();
decimated.ShallowCopy(decimate.GetOutput());
Debug.WriteLine("After decimation" + Environment.NewLine + "------------");
Debug.WriteLine("There are " + decimated.GetNumberOfPoints() + " points.");
Debug.WriteLine("There are " + decimated.GetNumberOfPolys() + " polygons.");
vtkPolyDataMapper inputMapper = vtkPolyDataMapper.New();
#if VTK_MAJOR_VERSION_5
inputMapper.SetInputConnection(input.GetProducerPort());
#else
inputMapper.SetInputData(input);
#endif
vtkActor inputActor = vtkActor.New();
inputActor.SetMapper(inputMapper);
vtkPolyDataMapper decimatedMapper = vtkPolyDataMapper.New();
#if VTK_MAJOR_VERSION_5
decimatedMapper.SetInputConnection(decimated.GetProducerPort());
#else
decimatedMapper.SetInputData(decimated);
#endif
vtkActor decimatedActor = vtkActor.New();
decimatedActor.SetMapper(decimatedMapper);
vtkRenderWindow renderWindow = renderWindowControl1.RenderWindow;
this.Size = new System.Drawing.Size(612, 352);
// Define viewport ranges
// (xmin, ymin, xmax, ymax)
double[] leftViewport = new double[] { 0.0, 0.0, 0.5, 1.0 };
double[] rightViewport = new double[] { 0.5, 0.0, 1.0, 1.0 };
// Setup both renderers
vtkRenderer leftRenderer = vtkRenderer.New();
renderWindow.AddRenderer(leftRenderer);
leftRenderer.SetViewport(leftViewport[0], leftViewport[1], leftViewport[2], leftViewport[3]);
leftRenderer.SetBackground(.6, .5, .4);
vtkRenderer rightRenderer = vtkRenderer.New();
renderWindow.AddRenderer(rightRenderer);
rightRenderer.SetViewport(rightViewport[0], rightViewport[1], rightViewport[2], rightViewport[3]);
rightRenderer.SetBackground(.4, .5, .6);
// Add the sphere to the left and the cube to the right
leftRenderer.AddActor(inputActor);
rightRenderer.AddActor(decimatedActor);
leftRenderer.ResetCamera();
rightRenderer.ResetCamera();
renderWindow.Render();
}
