private void CreateScalarBar()
{
// Initialize ScalarBar actor
ScalarBar = vtkScalarBarActor.New();
ScalarBar.SetLookupTable(colorLookupTable);
// Assign default number of colors and label format
ScalarBar.SetNumberOfLabels(10);
ScalarBar.SetLabelFormat("%.2e");
TextProp = vtkTextProperty.New();
TextProp.SetFontSize(12);
TextProp.SetBold(0);
TextProp.SetFontFamilyToArial();
TextProp.ItalicOff();
TextProp.SetJustificationToLeft();
TextProp.SetVerticalJustificationToBottom();
TextProp.ShadowOff();
TextProp.SetColor(1, 1, 1);
ScalarBar.SetTitleTextProperty(TextProp);
ScalarBar.SetLabelTextProperty(TextProp);
// Assign default size of Scalar Bar
ScalarBar.SetMaximumWidthInPixels(120);
ScalarBar.SetPosition(0.015, 0.10);
ScalarBar.SetPosition2(0.16, 0.90);
//Hide ScalarBar
ScalarBar.VisibilityOff();
//Add to Viewport
Viewport.AddActor2D(ScalarBar);
}
private void ReadDICOMSeries()
{
// 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();
// Read all the DICOM files in the specified directory.
// Caution: folder "DicomTestImages" don't exists by default in the standard vtk data folder
// sample data are available at http://www.vtk.org/Wiki/images/1/12/VTK_Examples_StandardFormats_Input_DicomTestImages.zip
//string folder = Path.Combine(root, @"Data\DicomTestImages");
string folder = @"provaDicom/" + studyUID;
Console.WriteLine(folder);
vtkDICOMImageReader reader = vtkDICOMImageReader.New();
reader.SetDirectoryName(folder);
reader.Update();
// Visualize
_ImageViewer = vtkImageViewer2.New();
_ImageViewer.SetInputConnection(reader.GetOutputPort());
// get range of slices (min is the first index, max is the last index)
_ImageViewer.GetSliceRange(ref _MinSlice, ref _MaxSlice);
Debug.WriteLine("slices range from : " + _MinSlice.ToString() + " to " + _MaxSlice.ToString());
// slice status message
vtkTextProperty sliceTextProp = vtkTextProperty.New();
sliceTextProp.SetFontFamilyToCourier();
sliceTextProp.SetFontSize(20);
sliceTextProp.SetVerticalJustificationToBottom();
sliceTextProp.SetJustificationToLeft();
_SliceStatusMapper = vtkTextMapper.New();
_SliceStatusMapper.SetInput("Slice No " + (_Slice + 1).ToString() + "/" + (_MaxSlice + 1).ToString());
_SliceStatusMapper.SetTextProperty(sliceTextProp);
vtkActor2D sliceStatusActor = vtkActor2D.New();
sliceStatusActor.SetMapper(_SliceStatusMapper);
sliceStatusActor.SetPosition(15, 10);
// usage hint message
vtkTextProperty usageTextProp = vtkTextProperty.New();
usageTextProp.SetFontFamilyToCourier();
usageTextProp.SetFontSize(14);
usageTextProp.SetVerticalJustificationToTop();
usageTextProp.SetJustificationToLeft();
vtkTextMapper usageTextMapper = vtkTextMapper.New();
usageTextMapper.SetInput("Slice with mouse wheel\nor Up/Down-Key");
usageTextMapper.SetTextProperty(usageTextProp);
vtkActor2D usageTextActor = vtkActor2D.New();
usageTextActor.SetMapper(usageTextMapper);
usageTextActor.GetPositionCoordinate().SetCoordinateSystemToNormalizedDisplay();
usageTextActor.GetPositionCoordinate().SetValue(0.05, 0.95);
vtkRenderWindow renderWindow = renderWindowControl1.RenderWindow;
vtkInteractorStyleImage interactorStyle = vtkInteractorStyleImage.New();
// NOTA:non funziona la rotellina del mouse per cambiare slice <--------------------------------------
// l'errore è causato dalla funzione DicomCFindRequest(della sorgente di FellowOak)
//in QueryFellowOak.cs, in particolare dal costruttore
// DicomCFindRequest(DicomQueryRetrieveLevel level)
// interactorStyle.MouseWheelForwardEvt += new vtkObject.vtkObjectEventHandler(interactor_MouseWheelForwardEvt);
// interactorStyle.MouseWheelBackwardEvt += new vtkObject.vtkObjectEventHandler(interactor_MouseWheelBackwardEvt);
renderWindow.GetInteractor().SetInteractorStyle(interactorStyle);
renderWindow.GetRenderers().InitTraversal();
vtkRenderer ren;
while ((ren = renderWindow.GetRenderers().GetNextItem()) != null)
{
ren.SetBackground(0.0, 0.0, 0.0);
}
_ImageViewer.SetRenderWindow(renderWindow);
_ImageViewer.GetRenderer().AddActor2D(sliceStatusActor);
_ImageViewer.GetRenderer().AddActor2D(usageTextActor);
_ImageViewer.SetSlice(_MinSlice);
_ImageViewer.Render();
}
