[Insight-users] Cropping Problem

[Yusuf OEZBEK]

Hello,
Can anyone help me please? I have a problem with to cut (cropping) a 3D object, which I produced by the segmentation-method “watershed and region growing”. In the beginning I read the DICOM images with itkImageSeriesReader, then I run watershed or region growing algorithm, in order to connect itk with vtk and a 3D object produce and for the displaying of segmentation, I use vtkContourFilter. After segmentation of cropping the images I use vtkBoxClipDataSet, vtkDataSetSurfaceFilter and vtkPolyDataMapper, but the result is a black screen.  When I read the images with vtkDICOMImageReader and then segmented with volume rendering or marching cubes, then it works completely well. The problem arises only for watershed and region growing Algorithm. Where is my mistake in the code, what am I doing wrong? 
To understand my problem better, please see my screenshots on the following link.

http://www.wopsys.com/bilder/segmentation.html


Thank you.


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