[Insight-users] issue with metaImageIO

[ken]

Hi Luis,

I attached the files. Could you please to run it?

Thanks in advance,

Ken



>
> On Thu, Jun 4, 2009 at 6:41 AM, Luis Ibanez <luis.ibanez at kitware.com>wrote:
>
>>
>> Hi Ken,
>>
>> Thanks for the clarification.
>>
>> From your code, I don't see how is it possible that the program
>> is writing the image in the filename A.raw.
>>
>> I would suggest to clean up your output directory, rerun the program
>> and to double check the date and time of creation of the output
>> files.
>>
>>
>>   Regards,
>>
>>
>>       Luis
>>
>>
>> --------------
>> ken wrote:
>>
>>> Hi Luis,
>>>
>>> Thanks for your reply. I have a meta type data and need to do some
>>> pixelwise computation with image iterator. As the very first step , I am
>>> thinking to read it in then write it out to test if ImageIO works. The
>>> original meta data are A.mhd and A.raw. The output file name associated with
>>> writer is Output.mhd. The problem is that the writer writes the image raw
>>> data to A.raw instead of Output.raw. Do you have any idel?
>>>
>>> Thanks,
>>>
>>> Ken
>>>
>>>
>>> On Wed, Jun 3, 2009 at 10:06 PM, Luis Ibanez <luis.ibanez at kitware.com<mailto:
>>> luis.ibanez at kitware.com>> wrote:
>>>
>>>
>>>    Hi Ken,
>>>
>>>    The description of your problem seems to be incomplete.
>>>
>>>    Could you please start by telling us what
>>>    you are actually trying to do ?
>>>
>>>
>>>       Thanks
>>>
>>>
>>>          Luis
>>>
>>>
>>>    ----
>>>
>>>    BTW: Please note that you don't need to connect a MetaImageIO
>>>        to the file writer. The ImageIO factories take care of
>>>        finding the proper ImageIO class based on the filename
>>>        that you pass to the writer.
>>>
>>>    Also, please about the use of the expression
>>>
>>>            "using namespace std"
>>>
>>>    it defeats the purpose of using namespaces.
>>>
>>>
>>>
>>>  ----------------------------------------------------------------------------
>>>    ken wrote:
>>>
>>>        I am facing some problems with read/write metaImages. The
>>>        original raw data file was overwritten by the generated raw data
>>>        files even a new file name was assigned to the writer. Code is
>>>        below and any input will be appreciated!
>>>
>>>
>>>
>>>  /*=========================================================================*/
>>>
>>>        #if defined(_MSC_VER)
>>>        #pragma warning ( disable : 4786 )
>>>        #endif
>>>
>>>        #include "itkImage.h"
>>>        #include "itkImageFileReader.h"
>>>        #include "itkImageFileWriter.h"
>>>
>>>        #include "itkMetaImageIO.h"
>>>
>>>        #include <iostream>
>>>        #include <limits>
>>>        #include <iomanip>
>>>        #include <string>
>>>        #include <sstream>
>>>        #include <typeinfo>
>>>        using namespace std;
>>>
>>>
>>>        int main( int argc, char **argv ) {
>>>
>>>           //Input and output image data directory
>>>           std::string inputImage = "A.mhd";
>>>           std::string outputHeaderName = "Output.mhd";
>>>
>>>           //Define the pixel type and dimension for reader
>>>           typedef float InternalPixelType;
>>>           const unsigned int    Dimension=3;
>>>           typedef itk::Image<InternalPixelType, Dimension>
>>> InternalImageType;
>>>
>>>           //Define the reader
>>>           typedef itk::ImageFileReader<InternalImageType>  ReaderType;
>>>           ReaderType::Pointer reader = ReaderType::New();
>>>           typedef itk::MetaImageIO    MetaImageIOType;
>>>           MetaImageIOType::Pointer metaIO=MetaImageIOType::New();
>>>           reader->SetImageIO(metaIO);
>>>           reader->SetFileName(inputImage);
>>>
>>>           //Update the reader
>>>           try
>>>           {
>>>               reader->Update();
>>>           }
>>>           catch(itk::ExceptionObject & ex_reader)
>>>           {
>>>               std::cerr << "ExceptionObject caught @ _reader !" <<
>>>        std::endl;
>>>               std::cout<<ex_reader<<std::endl;
>>>               return EXIT_FAILURE;
>>>           }
>>>
>>>
>>>           //Initialize the writer
>>>           typedef unsigned char    OutputPixelType;
>>>           typedef itk::Image<OutputPixelType, Dimension>
>>> OutputImageType;
>>>           typedef itk::ImageFileWriter<OutputImageType>  WriterType;
>>>           WriterType::Pointer writer=WriterType::New();
>>>           writer->SetImageIO(metaIO);
>>>           writer->SetFileName(outputHeaderName);
>>>
>>>
>>>           writer->SetInput(reader->GetOutput());
>>>
>>>           try
>>>           {
>>>               writer->Update();
>>>           }
>>>           catch( itk::ExceptionObject & ex)
>>>           {
>>>               std::cerr << "ExceptionObject caught @ _writer !" <<
>>>        std::endl;
>>>               std::cerr << ex << std::endl;
>>>               return EXIT_FAILURE;
>>>           }
>>>
>>>           return EXIT_SUCCESS;
>>>        }
>>>
>>>
>>>
>>>  ------------------------------------------------------------------------
>>>
>>>        _____________________________________
>>>        Powered by www.kitware.com <http://www.kitware.com>
>>>
>>>        Visit other Kitware open-source projects at
>>>        http://www.kitware.com/opensource/opensource.html
>>>
>>>        Please keep messages on-topic and check the ITK FAQ at:
>>>        http://www.itk.org/Wiki/ITK_FAQ
>>>
>>>        Follow this link to subscribe/unsubscribe:
>>>        http://www.itk.org/mailman/listinfo/insight-users
>>>
>>>
>>>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.itk.org/pipermail/insight-users/attachments/20090604/cc326111/attachment-0001.htm>