[vtkusers] DICOM image rendering problem in VTK-Java

[Sebastien Jourdain]

Hi Kadir,

I'm guessing for the path you are not using "~" but the actual absolute
path?

I don't know anything on the DICOM part, but for Java I would suggest using
the vtkCanvas class.

Seb

On Tue, Mar 14, 2017 at 10:20 AM, Kadir Cenk <kadircenk3 at hotmail.com> wrote:

> Hello,
>
>
> I am trying to develop an application in Java, using VTK to visualize
> DICOM files read from a directory, using a vtkImageViewer2 object to
> visualize. Below is the code segment that I try to execute:
>
> vtkDICOMImageReader reader = new vtkDICOMImageReader();
> reader.SetDirectoryName("~/DICOM/abdomen_bt/3");
> reader.Update();
>
> vtkImageViewer2 imageViewer2 = new vtkImageViewer2();
> imageViewer2.SetInputConnection(reader.GetOutputPort());
>
> vtkRenderWindowInteractor renderWindowInteractor = new
> vtkRenderWindowInteractor();
>
> imageViewer2.SetupInteractor(renderWindowInteractor);
>
> imageViewer2.Render();
> imageViewer2.GetRenderer().ResetCamera();
> renderWindowInteractor.Start();
> imageViewer2.Render();
>
> My problem is that, this code segment renders an empty screen. But when I
> convert the same code segment to C++, the window renders the DICOM image
> successfully.
>
> The path to the DICOM directory is valid, and DICOM files are not
> compressed (180 of them), and I am using VTK 7.1.0.
>
> What might be the problem? Any help will be appreciated.
>
> Thank you.
>
> Kadir Cenk
>
>
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