[Insight-users] I have the problem in executing the dilation code , can any one help ?

[Bradley Lowekamp]

Hello,

It sounds like the ImageIO factories are not getting registered automatically.

Are you using CMake?

Brad

On Aug 17, 2012, at 4:56 AM, Raviteja, Allaparthi wrote:

> Hi,
>  
> I get the following errors when I try to run the following code in command window
>  
>  
>  
> #include "stdafx.h"
>  
> #include "itkImage.h"
> #include "itkImageFileReader.h"
> #include "itkImageFileWriter.h"
> #include "itkBinaryBallStructuringElement.h"
> #include "itkBinaryDilateImageFilter.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] );
>  
>   typedef itk::BinaryBallStructuringElement< PixelType, Dimension > StructuringElementType;
>   StructuringElementType structuringElement;
>   structuringElement.SetRadius( atoi( argv[3] ) );
>   structuringElement.CreateStructuringElement();
>  
>   typedef itk::BinaryDilateImageFilter< ImageType, ImageType, StructuringElementType > BinaryDilateImageFilterType;
>  
>   BinaryDilateImageFilterType::Pointer dilateFilter = BinaryDilateImageFilterType::New();
>   dilateFilter->SetInput( reader->GetOutput() );
>   dilateFilter->SetKernel( structuringElement );
>  
>   typedef itk::ImageFileWriter< ImageType > WriterType;
>   WriterType::Pointer writer = WriterType::New();
>   writer->SetInput( dilateFilter->GetOutput() );
>   writer->SetFileName( argv[2] );
>  
>   try
>     {
>     writer->Update();
>     }
>   catch( itk::ExceptionObject & e )
>     {
>     std::cerr << "Error: " << e << std::endl;
>     return EXIT_FAILURE;
>     }
>  
>   return EXIT_SUCCESS;
> }
>  
>  
>  
>  
>  
> Error:
> itk::ImageFileWriterException (0046ED04)
> Location: "void __thiscall itk::ImageFileWriter<class itk::Image<unsigned char,2> >::Write(void)"
> File: d:\itk\insighttoolkit-4.1.0\modules\io\imagebase\include\itkimagefilewriter.hxx
> Line: 152
> Description:  Could not create IO object for file D:\dilatedoutput.jpg
>   Tried to create one of the following:
>   You probably failed to set a file suffix, or
>     set the suffix to an unsupported type.
>  
>  
>  
> I am using InsightToolkit-4.1.0 with Visual Studio 2010 on Windows 7. How do I resolve these errors?
>  
>  
> Thank you.
>  
>  
> Regards,
> Ravi Teja
>  
>  
>  
> 
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========================================================
Bradley Lowekamp  
Medical Science and Computing for
Office of High Performance Computing and Communications
National Library of Medicine 
blowekamp at mail.nih.gov



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