[Insight-users] Cannot Read ImageSeries and save as 3D Volume
agatte
wiatrak11 at poczta.onet.pl
Fri Jul 20 08:57:16 EDT 2012
Hi All ;)
I am trying to read image series and save as a Volume.
But I wantn't to set fixed first and last image.
Size depends on the Image Series.
I used this example :
http://www.itk.org/Wiki/ITK/Examples/IO/VolumeFromSlices
I have already modified this code but it is going wrong ;/
#include "itkImage.h"
#include "itkImageSeriesReader.h"
#include "itkImageFileWriter.h"
#include "itkNumericSeriesFileNames.h"
#include "itkTIFFImageIO.h"
int main( int argc, char ** argv )
{
typedef unsigned char PixelType;
const unsigned int Dimension = 3;
typedef itk::Image< PixelType, Dimension > ImageType;
typedef itk::ImageSeriesReader< ImageType > ReaderType;
typedef itk::ImageFileWriter< ImageType > WriterType;
ReaderType::Pointer reader = ReaderType::New();
WriterType::Pointer writer = WriterType::New();
reader->SetImageIO( itk::TIFFImageIO::New() );
ImageType::ConstPointer volume = reader->GetOutput();
ImageType::RegionType volumeRegion = volume->GetLargestPossibleRegion();
ImageType::IndexType start = volumeRegion.GetIndex();
ImageType::SizeType size = volumeRegion.GetSize();
const unsigned int firstImage = start[2];
const unsigned int lastImage = start[2] + size[2] - 1;
const char * outputFilename = "volume3Dtest.vtk";
typedef itk::NumericSeriesFileNames NameGeneratorType;
NameGeneratorType::Pointer nameGenerator = NameGeneratorType::New();
nameGenerator->SetSeriesFormat( "C:\\data\\series\\File%03d.tiff" );
nameGenerator->SetStartIndex( firstImage );
nameGenerator->SetEndIndex( lastImage );
// take every two/second image
nameGenerator->SetIncrementIndex(2);
reader->SetImageIO( itk::TIFFImageIO::New() );
reader->SetFileNames( nameGenerator->GetFileNames() );
writer->SetFileName( outputFilename );
writer->SetInput( reader->GetOutput() );
try
{
writer->Update();
}
catch( itk::ExceptionObject & err )
{
std::cerr << "ExceptionObject caught !" << std::endl;
std::cerr << err << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
I would appreciate for any help please.
Best,
agatte
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