[Insight-users] 3D image iterator problem

[Bill Lorensen]

Try
GetLargestPossibleRegion instead of GetRequestRegion.

On Tue, Jun 5, 2012 at 9:28 AM, Cory Quammen <cquammen at cs.unc.edu> wrote:
> You didn't tell us what the unexpected result is.
>
> Cory
>
> On Tue, Jun 5, 2012 at 7:55 AM, alaamegawer <alaamegawer at yahoo.com> wrote:
>>
>> Hi All
>>
>> i wanna iterate over 3D image and during that check for some value i want to
>> change. but unfortunately
>> i had unexpected result my image property is
>> size 512*512*148
>> pixel size  2 byte
>>
>> my code is :
>>
>> const char * inputFilename  =
>> "C:/Users/Administrator/Desktop/Data/CT/ImageSet_4.mha";
>>        ReaderType::Pointer reader= ReaderType::New();
>>        reader->SetFileName( inputFilename);
>>        reader->Update();
>>
>>        imageWriter::Pointer writer = imageWriter::New();
>>
>>        writer->SetFileName("C:/Users/Administrator/Desktop/Data/CT/55.mha");
>>
>>
>>        InputImageType::Pointer image = reader->GetOutput();
>>        ConstIteratorType in( image, image->GetRequestedRegion() );
>>        IteratorType out( image, image->GetRequestedRegion() );
>>
>>        for ( in.GoToBegin(), out.GoToBegin(); !in.IsAtEnd(); ++in, ++out )
>>        {
>>                if (in.Get() >1100)
>>                {
>>                        out.Set(100 );
>>                }
>>
>>                else if (in.Get()<50)
>>                {
>>                        out.Set(50);
>>                }
>>                else
>>                                out.Set(in.Get());
>>        }
>>
>>        writer->SetInput(image);
>>        writer->Update();
>> --
>> View this message in context: http://old.nabble.com/3D-image-iterator-problem-tp33963588p33963588.html
>> Sent from the ITK - Users mailing list archive at Nabble.com.
>>
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>
>
>
> --
> Cory Quammen
> Research Associate
> Department of Computer Science
> The University of North Carolina at Chapel Hill
> _____________________________________
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>
> Visit other Kitware open-source projects at
> http://www.kitware.com/opensource/opensource.html
>
> Kitware offers ITK Training Courses, for more information visit:
> http://www.kitware.com/products/protraining.php
>
> Please keep messages on-topic and check the ITK FAQ at:
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>
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