[vtkusers] Dicom Image reader

[Miguel Ángel Rodríguez Florido]

Perhaps, you have a compressed dicom file. I got this error for that.
Hth.

Sent from my iPhone

On 4 Apr 2009, at 12:16, JOHN ATKINSON <johnimager at gmail.com> wrote:

> Hi all,
>
> I have a CT Dicom data set of brain .I want view the volume data set  
> in VTK .I used DICOM Image Reader but there is a error stating that  
> vtkDicomImageReader.cxx line 284 No memory allocated to image  
> data .Please Help
>
> My code:
>
> #include "vtkRenderer.h"
> #include "vtkRenderWindow.h"
> #include "vtkRenderWindowInteractor.h"
> #include "vtkPolyDataMapper.h"
> #include "vtkActor.h"
> #include "vtkOutlineFilter.h"
> #include "vtkCamera.h"
> #include "vtkProperty.h"
> #include "vtkPolyDataNormals.h"
> #include "vtkContourFilter.h"
> #include "vtkDICOMImageReader.h"
> #include "vtkImageCast.h"
> #include "vtkImageActor.h"
> int main (int argc, char **argv)
> {
> //  if (argc < 2)
> //    {
> //      cout << "Usage: " << argv[0] << " DATADIR/headsq/quarter" <<  
> endl;
> //    return 1;
> //    }
> ///*Renderer and Render Window*/
> //vtkRenderer *aRenderer = vtkRenderer::New();
> //  vtkRenderWindow *renWin = vtkRenderWindow::New();
> //    renWin->AddRenderer(aRenderer);
> //  vtkRenderWindowInteractor *iren = vtkRenderWindowInteractor::New 
> ();
> //    iren->SetRenderWindow(renWin
>
> vtkDICOMImageReader *reader = vtkDICOMImageReader::New();
>
> reader->SetFileName(argv[1]);
>
>  vtkImageCast *cast = vtkImageCast::New();
>  cast->SetInputConnection(reader->GetOutputPort());
>  cast->SetOutputScalarTypeToUnsignedChar();
>
>  vtkImageActor *actor = vtkImageActor::New();
>  actor->SetInput(cast->GetOutput());
>
>  vtkRenderer *render = vtkRenderer::New();
>  render->AddActor(actor);
>  render->ResetCamera();
>
>    vtkRenderWindow *window = vtkRenderWindow::New();
>     window->AddRenderer(render);
>
>       window->Render();
> }
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