[Insight-users] 3D RGB images in Analyze format

[Karthik Krishnan]

The AnalyseImageIO in ITK does not seem to be capable of writing images 
with more than one component. You could always use MHD (meta image ) etc..

Thanks
regards
karthik

Julian Tam wrote:

>Hello,
>
>I am trying to write a 3D RGB image in Analyze format, but the
>following exception is caught:
>
>itk::ExceptionObject (00FCE950)
>Location: "Unknown"
>File: \library\itk_1.8.0\src\Code\Io\itkAnalyzeImageIO.cxx
>Line: 965
>Description: More than one component per pixel not supported
>
>The following includes pertinent excerpts of my program.
>-------------------------------
>#include "itkRGBPixel.h"
>
>const unsigned int Dimension = 3;
>typedef itk::RGBPixel< unsigned char> outPixelType;
>typedef itk::Image< outPixelType, Dimension >  outImageType;
>typedef itk::ImageFileWriter< outImageType > WriterType;
>
>outImageType::Pointer outputImage = outImageType::New();
>// outputImage allocated and processed here
>
>
>WriterType::Pointer writer = WriterType::New();
>writer->SetFileName("out.img");
>writer->SetInput( outputImage );
>
>try
>  {
>  writer->Update();
>  }
>catch ( itk::ExceptionObject &err)
>  {
>  std::cerr << err << std::endl; 
>  return -1;   
>  }
>---------------------------
>
>When I alter my program to create 2D RGB images and output them as
>.png, I do not encounter any problems.
>
>Are there any special steps that I need to take to accomplish this task?
>
>Thanks,
>Julian
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>