[vtk-developers] Activiz and DICOM files

[Peter Schmitz]

Hello everyone,

I'm new to VTK / Activiz programming so please excuse trivial questions :)!

My current project is a small application that is able to read DICOM files (CT images) that are located in a specific directory (not a DICOMDIR) and lets the user scroll through all images (I am using C# and Activiz .net).

This is the code I of my loading routine:

vtkDICOMImageReader reader = vtkDICOMImageReader.New();
vtkImageActor iactor = vtkImageActor.New();
vtkRenderer renderer = renderWindowControl1.RenderWindow.GetRenderers().GetFirstRenderer();

reader.SetDirectoryName("C:\\DICOM\\");
iactor.SetInput(reader.GetOutput());
renderer.AddActor(iactor);
reader.Update();

renderer.Render();


Running this code results in the following error messages and only shows the CT as a blue wireframe:

ERROR: In ..\..\VTK-5-6\VTK\Rendering\vtkImageActor.cxx, line 266
vtkOpenGLImageActor (08B3FD98): This filter requires unsigned char scalars as input


Can anyone help me out? How do I load dicom files correctly? By the way, is there a good book on ActiViz out there (esp. for medical purposes)?

Best wishes,

Peter


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