public static void vtkMetaImageReaderMhdData(string fileName, string oldBitmapPath)
{
vtkMetaImageReader reader = new vtkMetaImageReader();
reader.SetFileName(fileName);
reader.Update();
//vtkImageCast imageCast = new vtkImageCast();
//imageCast.SetInputConnection(reader.GetOutputPort());
//imageCast.SetOutputScalarTypeToUnsignedChar();
//imageCast.Update();
Console.WriteLine(reader.GetFilePrefix());
if (!Directory.Exists(oldBitmapPath))
{
Directory.CreateDirectory(oldBitmapPath);
}
vtkBMPWriter write = new vtkBMPWriter();
write.SetFilePrefix(oldBitmapPath + "\\");
write.SetFilePattern("%s%d.bmp");
write.SetInputConnection(reader.GetOutputPort());
write.Write();
//Process.Start(oldBitmapPath);
}
private void ReadMetaImage()
{
// 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\foot\foot.mha");
vtkMetaImageReader reader = vtkMetaImageReader.New();
if (reader.CanReadFile(filePath) == 0)
{
MessageBox.Show("Cannot read file \"" + filePath + "\"", "Error", MessageBoxButtons.OK);
return;
}
reader.SetFileName(filePath);
reader.Update();
vtkImageActor actor = vtkImageActor.New();
actor.SetInput(reader.GetOutput());
// Visualize
vtkRenderWindow renderWindow = renderWindowControl1.RenderWindow;
// renderer
vtkRenderer renderer = renderWindow.GetRenderers().GetFirstRenderer();
// set background color
renderer.SetBackground(0.2, 0.3, 0.4);
renderer.AddActor(actor);
}
public static vtkImageData ReadMetaImage(this string mhdFileName)
{
GC.Collect(GC.MaxGeneration, GCCollectionMode.Forced);
Stopwatch sw = Stopwatch.StartNew();
File.ReadAllBytes(mhdFileName);
if (File.Exists(mhdFileName.ReplaceFileName("i.raw")))
{
File.ReadAllBytes(mhdFileName.ReplaceFileName("i.raw"));
}
if (File.Exists(mhdFileName.ReplaceFileName("i.zraw")))
{
File.ReadAllBytes(mhdFileName.ReplaceFileName("i.zraw"));
}
vtkMetaImageReader metaImageReader = vtkMetaImageReader.New();
metaImageReader.SetFileName(mhdFileName);
metaImageReader.Update();
vtkImageData readMetaImage = metaImageReader.GetOutput();
metaImageReader.Dispose();
metaImageReader = null;
sw.Stop();
//Console.WriteLine("Read {0} took {1} ms.", mhdFileName, sw.ElapsedMilliseconds);
return(readMetaImage);
}
public static vtkImageData ReadMetaImageData(string filePath)
{
vtkMetaImageReader reader = new vtkMetaImageReader();
reader.SetFileName(filePath);
reader.Update();
vtkImageData imagedata = reader.GetOutput();
reader.Dispose();
return(imagedata);
}
private void WriteMetaImage()
{
// 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_mha.mhd");
string filePathRaw = System.IO.Path.Combine(root, @"Data\test_mha.raw");
// Create an image
vtkImageMandelbrotSource source = vtkImageMandelbrotSource.New();
source.Update();
vtkImageCast castFilter = vtkImageCast.New();
castFilter.SetOutputScalarTypeToUnsignedChar();
castFilter.SetInputConnection(source.GetOutputPort());
castFilter.Update();
vtkMetaImageWriter writer = vtkMetaImageWriter.New();
writer.SetInputConnection(castFilter.GetOutputPort());
writer.SetFileName(filePath);
writer.SetRAWFileName(filePathRaw);
writer.Write();
// Read and display file for verification that it was written correctly
vtkMetaImageReader reader = vtkMetaImageReader.New();
if (reader.CanReadFile(filePath) == 0)
{
MessageBox.Show("Cannot read file \"" + filePath + "\"", "Error", MessageBoxButtons.OK);
return;
}
reader.SetFileName(filePath);
reader.Update();
vtkImageActor actor = vtkImageActor.New();
actor.SetInput(reader.GetOutput());
// Visualize
vtkRenderWindow renderWindow = renderWindowControl1.RenderWindow;
// renderer
vtkRenderer renderer = renderWindow.GetRenderers().GetFirstRenderer();
// set background color
renderer.SetBackground(0.2, 0.3, 0.4);
renderer.AddActor(actor);
}
