[Insight-users] problem for ITKimage to VTKimage in managedITK in C# in Visual Studio 2008

[Han Chunlei]

Hei, All,

 

I am a new user of ITK. I installed managedITK3.4.0.1 and tried to use
it C# in visual studio 2008. I tried to transfer an image data from ITK
to VTK using itkimagetovtkimagefilter. The problem is that I always get
the wrong message like:

 

Warning: in ..\...\Code\common\itkProcessObject.cxx, line 520

ImagetoVTKimageFilter(04db21e0):Output doesn't exist!

 

And debug information as:

ApplicationException was unhandled

Could not downcast pointer to native class

 

In the line of

View.SetInput(i2v.getOutput());

 

Any help is greatly appreciated.

 

Chunlei Han 

 

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***************************

 

The codes are as follows:

using vtk;

using itk;

using itk2vtk = itk.itkImageToVTKImageFilter;

 

                      //  build an image

            itk.itkImage_UC2 itkimg = itk.itkImage_UC2.New();

            itk.itkSize itksz = new itk.itkSize(128, 128);

            itk.itkIndex itkind = new itk.itkIndex(0, 0);

            itk.itkImageRegion region = new
itk.itkImageRegion(itksz,itkind);

 

            itkimg.SetRegions(region);

            itkimg.Allocate();

            itkimg.FillBuffer(128);

 

           // confirm the image

            string filename = @"c:\temp\test.jpg";

            itkimg.Write(filename);

            itk.itkImageInformation info =
itk.itkImageBase.ReadInformation(filename);

            Console.WriteLine("infor= " + info.Size.ToString());

 

           // transfer itkImage to VTKimage by itkImagetoVTKimageFilter

            itk2vtk i2v = itk2vtk.New("IUC2");

            i2v.SetInput(itkimg);

            i2v.Update();

            vtk.vtkImageViewer viewer = new vtkImageViewer();

            viewer.SetInput(i2v.GetOutput()); // always problem here.

 

 

 

 

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