public void readVTKDicom(string dirname)
{
vtk.vtkDICOMImageReader DICOMreader = new vtk.vtkDICOMImageReader();
DICOMreader.SetDirectoryName(dirname);
DICOMreader.SetDataOrigin(0, 0, 0);
DICOMreader.Update();
vtk.vtkImageChangeInformation imageChangeInformation = new vtk.vtkImageChangeInformation();
imageChangeInformation.SetInput(DICOMreader.GetOutput());
imageChangeInformation.CenterImageOn(); // Centered the image here....
imageChangeInformation.Update();
VoxelData = imageChangeInformation.GetOutput();
spacing = VoxelData.GetSpacing();
int numberofpixels = VoxelData.GetNumberOfPoints();
dimensions = VoxelData.GetDimensions();
metaScalarRange = VoxelData.GetScalarRange();
double[] origin = VoxelData.GetOrigin();
info = "\r\n VTK Dicom dir read, parameters: \r\n";
info += "Volume dimensions : " + dimensions[0] + " " + dimensions[1] + " " + dimensions[2] + "\r\n";
info += "Volume scales : " + spacing[0] + " " + spacing[1] + " " + spacing[2] + "\r\n";
info += "Scalar range : " + metaScalarRange[0] + " " + metaScalarRange[1] + "\r\n";
info += "Volume origin: " + origin[0] + " " + origin[1] + " " + origin[2] + "\r\n";
info += "Number of Pixels : " + numberofpixels + "\r\n";
GC.Collect();
}
public void ReadVTKV3D(string filename)
{
readv3dinfo V3Dfileinfo = new readv3dinfo();
V3Dfileinfo.getv3dinfo(filename);
vtk.vtkImageReader V3Dreader = new vtk.vtkImageReader();
//V3Dreader.RemoveAllInputs();
// all the slices are in one file
V3Dreader.SetFileDimensionality(3);
// image is greyscale
V3Dreader.SetNumberOfScalarComponents(1);
// 2 bytes per voxel
V3Dreader.SetDataScalarTypeToUnsignedShort();
// volume dimension sizes
int maxx = V3Dfileinfo.v3dsizes[0] - 1;
int maxy = V3Dfileinfo.v3dsizes[1] - 1;
int maxz = V3Dfileinfo.v3dsizes[2] - 1;
V3Dreader.SetDataExtent(0, maxx, 0, maxy, 0, maxz);
//voxel spacing
spacing = V3Dfileinfo.v3dscales;
V3Dreader.SetDataSpacing(spacing);
// set to zero unless you know
double[] origing = new double[3] {
0, 0, 0
};
V3Dreader.SetDataOrigin(origing);
V3Dreader.SetHeaderSize((uint)V3Dfileinfo.v3doffset);
// set filename
V3Dreader.SetFileName(V3Dfileinfo.v3dfilename);
V3Dreader.Update();
vtk.vtkImageChangeInformation imageChangeInformation = new vtk.vtkImageChangeInformation();
imageChangeInformation.SetInput(V3Dreader.GetOutput());
imageChangeInformation.CenterImageOn(); // Centered the image here....
imageChangeInformation.Update();
VoxelData = imageChangeInformation.GetOutput();
spacing = VoxelData.GetSpacing();
int numberofpixels = VoxelData.GetNumberOfPoints();
dimensions = VoxelData.GetDimensions();
metaScalarRange = VoxelData.GetScalarRange();
double[] origin = VoxelData.GetOrigin();
info = "\r\n VTK file read, parameters: \r\n";
info += "Volume dimensions : " + dimensions[0] + " " + dimensions[1] + " " + dimensions[2] + "\r\n";
info += "Volume scales : " + spacing[0] + " " + spacing[1] + " " + spacing[2] + "\r\n";
info += "Volume origin: " + origin[0] + " " + origin[1] + " " + origin[2] + "\r\n";
info += "Scalar range : " + metaScalarRange[0] + " " + metaScalarRange[1] + "\r\n";
info += "Number of Pixels : " + numberofpixels + "\r\n";
GC.Collect();
}
public void rendersiteplanes(vtk.vtkImageData VoxelData)
{
//vtk.vtkWin32RenderWindowInteractor
renwX.AddRenderer(renX);
renwY.AddRenderer(renY);
renwZ.AddRenderer(renZ);
irenX.SetRenderWindow(renwX);
irenY.SetRenderWindow(renwY);
irenZ.SetRenderWindow(renwZ);
vtk.vtkOutlineFilter outline = new vtk.vtkOutlineFilter();
outline.SetInput(VoxelData);
vtk.vtkPolyDataMapper outlineMapper = new vtk.vtkPolyDataMapper();
outlineMapper.SetInputConnection(outline.GetOutputPort());
vtk.vtkActor outlineActor = new vtk.vtkActor();
outlineActor.SetMapper(outlineMapper);
vtk.vtkCellPicker picker = new vtk.vtkCellPicker();
picker.SetTolerance(0.005);
planeWidgetX.SetInteractor(irenX);
planeWidgetX.DisplayTextOff();
planeWidgetX.SetInput(VoxelData);
planeWidgetX.SetPlaneOrientationToXAxes();
planeWidgetX.SetSliceIndex(slizex);
planeWidgetX.SetPicker(picker);
planeWidgetX.On();
planeWidgetX.InteractionOff();
if (firstTime)
{
double[] wl = new double[2];
vtk.vtkLookupTable lktb = new vtk.vtkLookupTable();
lktb = planeWidgetX.GetLookupTable();
wl = lktb.GetTableRange();
rangeXMin = wl[0];
rangeXMax = wl[1];
planeWidgetX.GetWindowLevel(wl);
windowX = wl[0];
levelX = wl[1];
}
planeWidgetY.SetInteractor(irenY);
planeWidgetY.DisplayTextOff();
planeWidgetY.SetInput(VoxelData);
planeWidgetY.SetPlaneOrientationToYAxes();
planeWidgetY.SetSliceIndex(slizey);
planeWidgetY.SetPicker(picker);
planeWidgetY.On();
planeWidgetY.InteractionOff();
if (firstTime)
{
double[] wl = new double[2];
vtk.vtkLookupTable lktb = new vtk.vtkLookupTable();
lktb = planeWidgetY.GetLookupTable();
wl = lktb.GetTableRange();
rangeYMin = wl[0];
rangeYMax = wl[1];
planeWidgetY.GetWindowLevel(wl);
windowY = wl[0];
levelY = wl[1];
}
planeWidgetZ.SetInteractor(irenZ);
planeWidgetZ.DisplayTextOff();
planeWidgetZ.SetInput(VoxelData);
planeWidgetZ.SetPlaneOrientationToZAxes();
planeWidgetZ.SetSliceIndex(slizez);
planeWidgetZ.SetPicker(picker);
planeWidgetZ.On();
planeWidgetZ.InteractionOff();
if (firstTime)
{
double[] wl = new double[2];
vtk.vtkLookupTable lktb = new vtk.vtkLookupTable();
lktb = planeWidgetZ.GetLookupTable();
wl = lktb.GetTableRange();
rangeZMin = wl[0];
rangeZMax = wl[1];
planeWidgetZ.GetWindowLevel(wl);
windowZ = wl[0];
levelZ = wl[1];
}
firstTime = false;
enabled = true;
if (firstime == 1)
{
renX.GetActiveCamera().Roll(90);
renX.GetActiveCamera().Azimuth(90);
renY.GetActiveCamera().Elevation(-90);
renX.GetActiveCamera().ParallelProjectionOff();
renY.GetActiveCamera().ParallelProjectionOff();
renZ.GetActiveCamera().ParallelProjectionOff();
}
renX.ResetCamera();
renY.ResetCamera();
renZ.ResetCamera();
renX.GetActiveCamera().ParallelProjectionOn();
renY.GetActiveCamera().ParallelProjectionOn();
renZ.GetActiveCamera().ParallelProjectionOn();
renX.GetActiveCamera().Azimuth(-90);
renX.GetActiveCamera().Roll(-90);
renY.GetActiveCamera().Elevation(90);
firstime = 1;
int[] dimensions = VoxelData.GetDimensions();
double[] spacing = VoxelData.GetSpacing();
double xmax = (double)dimensions[0] * spacing[0] * 0.5;
double ymax = (double)dimensions[1] * spacing[1] * 0.5;
double zmax = (double)dimensions[2] * spacing[2] * 0.5;
double smax = xmax;
if (ymax > smax)
{
smax = ymax;
}
if (zmax > smax)
{
smax = zmax;
}
renX.GetActiveCamera().SetParallelScale(smax);
renY.GetActiveCamera().SetParallelScale(smax);
renZ.GetActiveCamera().SetParallelScale(smax);
renX.GetActiveCamera().SetClippingRange(0.1, 1000);
renY.GetActiveCamera().SetClippingRange(0.1, 1000);
renZ.GetActiveCamera().SetClippingRange(0.1, 1000);
irenX.Initialize();
irenY.Initialize();
irenZ.Initialize();
irenX.Disable();
irenY.Disable();
irenZ.Disable();
renwX.Render();
renwY.Render();
renwZ.Render();
}