private void ReadTIFF()
{
// 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\beach.tif");
//Read the image
vtkTIFFReader reader = vtkTIFFReader.New();
if (reader.CanReadFile(filePath) == 0)
{
MessageBox.Show("Cannot read file \"" + filePath + "\"", "Error", MessageBoxButtons.OK);
return;
}
reader.SetFileName(filePath);
reader.Update();
// Visualize
vtkImageViewer2 imageViewer = vtkImageViewer2.New();
imageViewer.SetInputConnection(reader.GetOutputPort());
// 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);
imageViewer.SetRenderer(renderer);
}
private void WriteTIFF()
{
// 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\test_tiff.tif");
vtkImageCanvasSource2D imageSource = vtkImageCanvasSource2D.New();
imageSource.SetScalarTypeToUnsignedChar();
imageSource.SetExtent(0, 9, 0, 9, 0, 0);
imageSource.SetNumberOfScalarComponents(3);
imageSource.SetDrawColor(0, 0, 0, 0);
imageSource.FillBox(0, 9, 0, 9);
imageSource.SetDrawColor(255, 0, 0, 0);
imageSource.FillBox(5, 7, 5, 7);
imageSource.Update();
vtkTIFFWriter tiffWriter = vtkTIFFWriter.New();
tiffWriter.SetFileName(filePath);
tiffWriter.SetInputConnection(imageSource.GetOutputPort());
tiffWriter.Write();
// Read and display file for verification that it was written correctly
vtkTIFFReader reader = vtkTIFFReader.New();
if (reader.CanReadFile(filePath) == 0)
{
MessageBox.Show("Cannot read file \"" + filePath + "\"", "Error", MessageBoxButtons.OK);
return;
}
reader.SetFileName(filePath);
reader.Update();
// Visualize
vtkImageViewer2 imageViewer = vtkImageViewer2.New();
imageViewer.SetInputConnection(reader.GetOutputPort());
// 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);
imageViewer.SetRenderer(renderer);
renderer.ResetCamera();
}