[Insight-users] Erosion program failing at writer Update. Can anyone help?

[D, Yamini]

Hi,
I am trying to run a program for erosion, after building the project, I run the same in cmd window. I find its failing at " writer-> update();"  line.
The following is the code and the error displayed .

#include "stdafx.h"
#include "itkImage.h"
#include "itkImageFileReader.h"
#include "itkImageFileWriter.h"
#include "itkBinaryErodeImageFilter.h"
#include "itkBinaryBallStructuringElement.h"

int main( int argc, char* argv[] )
{
  if( argc < 4 )
    {
    std::cerr << "Usage: " << std::endl;
    std::cerr << argv[0] << " inputImage outputImage radius";
    std::cerr << std::endl;
    return EXIT_FAILURE;
    }
  typedef unsigned char PixelType;
  const unsigned int Dimension = 2;

  typedef itk::Image< PixelType, Dimension >    ImageType;
  typedef itk::ImageFileReader< ImageType >     ReaderType;
  ReaderType::Pointer reader = ReaderType::New();
  reader->SetFileName( argv[1] );

  std::cout<<"reader passed"<<std::endl;

  typedef itk::BinaryBallStructuringElement< PixelType, Dimension >
    StructuringElementType;
  StructuringElementType structuringElement;
  structuringElement.SetRadius( atoi( argv[3] ) );
  structuringElement.CreateStructuringElement();

  typedef itk::BinaryErodeImageFilter< ImageType, ImageType,


    StructuringElementType > BinaryErodeImageFilterType;

  BinaryErodeImageFilterType::Pointer dilateFilter =
    BinaryErodeImageFilterType::New();
  dilateFilter->SetInput( reader->GetOutput() );
  dilateFilter->SetKernel( structuringElement );

  std::cout<<"filter passed"<<std::endl;


  typedef itk::ImageFileWriter< ImageType > WriterType;
  WriterType::Pointer writer = WriterType::New();
  writer->SetInput( dilateFilter->GetOutput() );
  writer->SetFileName( argv[2] );

  std::cout<<"writer passed"<<std::endl;


  try
    {
    writer->Update();
       std::cout<<"writer update passed"<<std::endl;
    }
  catch( itk::ExceptionObject )
    {
    std::cerr << "Error: " << std::endl;
    return EXIT_FAILURE;
    }

  return EXIT_SUCCESS;
}



"C:\Users\Documents\Visual Studio 2010\Projects\myNew\Debug\Yam.exe" d:\gray.jpg  d:\output.jpg  2
reader passed
filter passed
writer passed
Error:



Thank you,
Yamini.D


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