[vtkusers] Problem in opening ".mhd" file.

[D, Yamini]

Hi,

I am trying to run the code for connected components, the input is in ".mhd"  format and code cannot read the input. The following are the code and the error.


#include "stdafx.h"
#include "itkConnectedComponentImageFilter.h"
#include "itkImageIOBase.h"
#include "itkMetaImageIO.h"
#include "itkCastImageFilter.h"
#include "itkImageFileReader.h"
#include "itkImageFileWriter.h"

using namespace std;
int main(int argc, char* argv[] )
{
      typedef   unsigned char  CPixelType;
       typedef float FPixelType;
       const     unsigned int    Dimension = 2;

  typedef itk::Image< CPixelType, Dimension > CImageType;
  typedef itk::Image< FPixelType, Dimension > FImageType;

   typedef itk::ImageFileReader< FImageType > ReaderType;
   typedef itk::CastImageFilter < FImageType,CImageType > CastType;
   typedef itk::ImageFileWriter< CImageType > WriterType;
   typedef itk::ConnectedComponentImageFilter<CImageType,CImageType,CImageType > FilterType;
  ReaderType::Pointer reader = ReaderType::New();
  CastType::Pointer caster = CastType::New();
  WriterType::Pointer writer = WriterType::New();
  FilterType::Pointer filter = FilterType::New();
  reader->SetFileName("d:\\EnhancedOutputImage2.mhd");
  cout<<"reader passed"<<endl;
  caster->SetInput(reader->GetOutput());
  cout<<"caster passed"<<endl;
  filter->SetInput (caster->GetOutput());

   try
      {
      writer->SetInput (filter->GetOutput());
      writer->SetFileName( "d:\\CCEOI2.png" );
           cout<<"writer passed"<<endl;
      writer->Update();
      }
   catch( itk::ExceptionObject & excep )
    {
    std::cerr << "Exception caught !" << std::endl;
    std::cerr << excep << std::endl;
    }

return EXIT_SUCCESS;

}

Error:
reader passed
caster passed
writer passed
MetaImage: Read: Cannot open data file
Exception caught !

itk::ExceptionObject (00C3E104)
Location: "void __thiscall itk::MetaImageIO::Read(void *)"
File: D:\Projects\InsightToolkit-4.1.0\Modules\IO\Meta\src\itkMetaImageIO.cxx
Line: 482
Description: itk::ERROR: MetaImageIO(03E86B80): File cannot be read: d:\EnhancedOutputImage2.mhd for r
eading.
Reason: No such file or directory
-----------------------------------

I also tried opening the input image in Para view , but it threw the following error:


ERROR: In ..\..\..\..\src\VTK\IO\vtkMetaImageReader.cxx, line 224

vtkMetaImageReader (16F67F70): MetaImage cannot read data from file.

Thank you,
Yamini.D


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