[Insight-users] guest image pixel type

[Bill Lorensen]

It is up to you. If you are using vtk, then use vtk for reading.

On Tue, Nov 24, 2009 at 4:01 PM, Lic. José M. Rodriguez Bacallao
<jmrbcu at gmail.com> wrote:
> so, if U need to do all those things to read an image(s) with itk, why
> U doesn't use vtk and gdcm for reading?
>
> On 11/24/09, Bill Lorensen <bill.lorensen at gmail.com> wrote:
>> Here's what we do in Slicer3:
>>
>>   #include "itkPluginUtilities.h"
>>   ...
>>   itk::ImageIOBase::IOPixelType pixelType;
>>   itk::ImageIOBase::IOComponentType componentType;
>>
>>   try
>>     {
>>     itk::GetImageType (fileName, pixelType, componentType);
>>    }
>>
>>     // This filter handles all types on input, but only produces
>>     // signed types
>>
>>     switch (componentType)
>>       {
>>       case itk::ImageIOBase::UCHAR:
>>       case itk::ImageIOBase::CHAR:
>>         return DoIt( argc, argv, static_cast<char>(0));
>>         break;
>>       case itk::ImageIOBase::USHORT:
>>       case itk::ImageIOBase::SHORT:
>>         return DoIt( argc, argv, static_cast<short>(0));
>>         break;
>>       case itk::ImageIOBase::UINT:
>>       case itk::ImageIOBase::INT:
>>         return DoIt( argc, argv, static_cast<int>(0));
>>         break;
>>       case itk::ImageIOBase::ULONG:
>>       case itk::ImageIOBase::LONG:
>>         return DoIt( argc, argv, static_cast<long>(0));
>>         break;
>>       case itk::ImageIOBase::FLOAT:
>>         return DoIt( argc, argv, static_cast<float>(0));
>>         break;
>>       case itk::ImageIOBase::DOUBLE:
>>         return DoIt( argc, argv, static_cast<double>(0));
>>         break;
>>       case itk::ImageIOBase::UNKNOWNCOMPONENTTYPE:
>>       default:
>>         std::cout << "unknown component type" << std::endl;
>>         break;
>>       }
>>     }
>>   catch( itk::ExceptionObject &excep)
>>     {
>>     std::cerr << argv[0] << ": exception caught !" << std::endl;
>>     std::cerr << excep << std::endl;
>>     return EXIT_FAILURE;
>>     }
>>   return EXIT_SUCCESS;
>> }
>>
>> Where itkPluginUtilities.h is here:
>> http://viewvc.slicer.org/viewcvs.cgi/trunk/Base/CLI/itkPluginUtilities.h?rev=5669&view=markup
>>
>> For an example of a complete program see:
>> http://viewvc.slicer.org/viewcvs.cgi/trunk/Applications/CLI/Add.cxx?rev=10441&view=markup
>>
>
>
> --
> Lic. José M. Rodriguez Bacallao
> Centro de Biofisica Medica
> -----------------------------------------------------------------
> Todos somos muy ignorantes, lo que ocurre es que no todos ignoramos lo mismo.
>
> Recuerda: El arca de Noe fue construida por aficionados, el titanic
> por profesionales
> -----------------------------------------------------------------
>