GDCM: csa2img.cxx

GDCM 3.2.5

csa2img.cxx
/*=========================================================================
Program: GDCM (Grassroots DICOM). A DICOM library
Copyright (c) 2006-2011 Mathieu Malaterre
All rights reserved.
See Copyright.txt or http://gdcm.sourceforge.net/Copyright.html for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
/*
* I do not know what the format is, just guessing from info found on the net:
*
* http://atonal.ucdavis.edu/matlab/fmri/spm5/spm_dicom_convert.m
*
* This example is an attempt at understanding the format used by SIEMENS
* their "SIEMENS CSA NON-IMAGE" DICOM file (1.3.12.2.1107.5.9.1)
*
* Everything done in this code is for the sole purpose of writing interoperable
* software under Sect. 1201 (f) Reverse Engineering exception of the DMCA.
* If you believe anything in this code violates any law or any of your rights,
* please contact us (gdcm-developers@lists.sourceforge.net) so that we can
* find a solution.
*
*/
#include "gdcmReader.h"
#include "gdcmImageReader.h"
#include "gdcmImageWriter.h"
#include "gdcmCSAHeader.h"
#include "gdcmAttribute.h"
#include "gdcmPrivateTag.h"
#include <math.h>
int main(int argc, char *argv [])
{
if( argc < 2 ) return 1;
// gdcmDataExtra/gdcmNonImageData/exCSA_Non-Image_Storage.dcm
// PHANTOM.MR.CARDIO_COEUR_S_QUENCE_DE_REP_RAGE.9.257.2008.03.20.14.53.25.578125.43151705.IMA
const char *filename = argv[1];
gdcm::Reader reader; // Do not use ImageReader
reader. SetFileName( filename );
if( !reader. Read() )
{
std::cerr << "Failed to read: " << filename << std::endl;
return 1;
}
gdcm::CSAHeader csa;
const gdcm::DataSet& ds = reader. GetFile().GetDataSet();
const gdcm::PrivateTag &t1 = csa. GetCSAImageHeaderInfoTag();
//std::cout << t1 << std::endl;
//const gdcm::PrivateTag &t2 = csa.GetCSASeriesHeaderInfoTag();
if( ds. FindDataElement( t1 ) )
{
csa. LoadFromDataElement( ds. GetDataElement( t1 ) );
csa. Print( std::cout );
}
int dims[2] = {};
if( csa. FindCSAElementByName( "Columns" ) )
{
const gdcm::CSAElement &csael = csa. GetCSAElementByName( "Columns" );
std::cout << csael << std::endl;
//const gdcm::ByteValue *bv = csael.GetByteValue();
gdcm::Element<gdcm::VR::IS, gdcm::VM::VM1> el;
el. Set( csael. GetValue() );
dims[0] = el. GetValue();
std::cout << "Columns:" << el.GetValue() << std::endl;
}
if( csa.FindCSAElementByName( "Rows" ) )
{
const gdcm::CSAElement &csael2 = csa.GetCSAElementByName( "Rows" );
std::cout << csael2 << std::endl;
gdcm::Element<gdcm::VR::IS, gdcm::VM::VM1> el2;
el2.Set( csael2.GetValue() );
dims[1] = el2.GetValue();
std::cout << "Rows:" << el2.GetValue() << std::endl;
}
double spacing[2] = { 1. , 1. };
bool spacingfound = false;
if( csa.FindCSAElementByName( "PixelSpacing" ) )
{
const gdcm::CSAElement &csael3 = csa.GetCSAElementByName( "PixelSpacing" );
if( !csael3. IsEmpty() )
{
std::cout << csael3 << std::endl;
gdcm::Element<gdcm::VR::DS, gdcm::VM::VM2> el3;
el3.Set( csael3.GetValue() );
spacing[0] = el3.GetValue(0);
spacing[1] = el3.GetValue(1);
std::cout << "PixelSpacing:" << el3.GetValue() << "," << el3.GetValue(1) << std::endl;
spacingfound = true;
}
}
if( !spacingfound )
{
std::cerr << "Problem with PixelSpacing" << std::endl;
//return 1;
}
if( !dims[0] || !dims[1] )
{
std::cerr << "Problem with dims" << std::endl;
return 1;
}
gdcm::ImageWriter writer;
gdcm::Image &image = writer. GetImage();
image. SetNumberOfDimensions( 2 ); // good default
image. SetDimension(0, dims[0] );
image.SetDimension(1, dims[1] );
image. SetSpacing(0, spacing[0] );
image.SetSpacing(1, spacing[1] );
gdcm::PixelFormat pixeltype = gdcm::PixelFormat::INT16; // bytepix = spm_type('int16','bits')/8;
//unsigned long l = image.GetBufferLength();
//const int p = l / (dims[0] * dims[1]);
//image.SetNumberOfDimensions( 3 );
//image.SetDimension(2, p / pixeltype.GetPixelSize() );
gdcm::PhotometricInterpretation pi;
pi = gdcm::PhotometricInterpretation::MONOCHROME2;
//pixeltype.SetSamplesPerPixel( );
image. SetPhotometricInterpretation( pi );
image. SetPixelFormat( pixeltype );
//image.SetIntercept( inputimage.GetIntercept() );
//image.SetSlope( inputimage.GetSlope() );
//gdcm::DataElement pixeldata( gdcm::Tag(0x7fe1,0x1010) );
//pixeldata.SetByteValue( &outbuf[0], outbuf.size() );
gdcm::PrivateTag csanonimaget(0x7fe1,0x10,"SIEMENS CSA NON-IMAGE");
const gdcm::DataElement &pixeldata = ds.GetDataElement( csanonimaget );
image. SetDataElement( pixeldata );
std::string outfilename = "outcsa.dcm";
//writer.SetFile( reader.GetFile() );
writer. SetFileName( outfilename.c_str() );
if( !writer. Write() )
{
std::cerr << "could not write: " << outfilename << std::endl;
return 1;
}
return 0;
}
gdcm::Bitmap::SetNumberOfDimensions
void SetNumberOfDimensions(unsigned int dim)
gdcm::Bitmap::SetDataElement
void SetDataElement(DataElement const &de)
Definition gdcmBitmap.h:76
gdcm::Bitmap::SetDimension
void SetDimension(unsigned int idx, unsigned int dim)
gdcm::Bitmap::SetPhotometricInterpretation
void SetPhotometricInterpretation(PhotometricInterpretation const &pi)
gdcm::Bitmap::SetPixelFormat
void SetPixelFormat(PixelFormat const &pf)
Definition gdcmBitmap.h:115
gdcm::CSAElement
Class to represent a CSA Element.
Definition gdcmCSAElement.h:30
gdcm::CSAElement::IsEmpty
bool IsEmpty() const
Check if CSA Element is empty.
Definition gdcmCSAElement.h:68
gdcm::CSAElement::GetValue
Value const & GetValue() const
Set/Get Value (bytes array, SQ of items, SQ of fragments):
Definition gdcmCSAElement.h:61
gdcm::CSAHeader
Class for CSAHeader.
Definition gdcmCSAHeader.h:64
gdcm::CSAHeader::GetCSAImageHeaderInfoTag
static const PrivateTag & GetCSAImageHeaderInfoTag()
gdcm::CSAHeader::FindCSAElementByName
bool FindCSAElementByName(const char *name)
gdcm::CSAHeader::GetCSAElementByName
const CSAElement & GetCSAElementByName(const char *name)
gdcm::CSAHeader::Print
void Print(std::ostream &os) const
Print the CSAHeader (use only if Format == SV10 or NOMAGIC).
gdcm::CSAHeader::LoadFromDataElement
bool LoadFromDataElement(DataElement const &de)
Decode the CSAHeader from element 'de'.
gdcm::DataElement
Class to represent a Data Element either Implicit or Explicit.
Definition gdcmDataElement.h:59
gdcm::DataSet
Class to represent a Data Set (which contains Data Elements).
Definition gdcmDataSet.h:56
gdcm::DataSet::GetDataElement
const DataElement & GetDataElement(const Tag &t) const
Definition gdcmDataSet.h:188
gdcm::DataSet::FindDataElement
bool FindDataElement(const PrivateTag &t) const
Look up if private tag 't' is present in the dataset:
gdcm::Element
Element class.
Definition gdcmElement.h:70
gdcm::Element::GetValue
const VRToType< TVR >::Type & GetValue(unsigned int idx=0) const
Definition gdcmElement.h:94
gdcm::Element::Set
void Set(Value const &v)
Definition gdcmElement.h:161
gdcm::File::GetDataSet
const DataSet & GetDataSet() const
Get Data Set.
Definition gdcmFile.h:57
gdcm::ImageWriter
ImageWriter.
Definition gdcmImageWriter.h:33
gdcm::ImageWriter::Write
bool Write() override
Write.
gdcm::ImageWriter::GetImage
const Image & GetImage() const override
Definition gdcmImageWriter.h:41
gdcm::Image
Image.
Definition gdcmImage.h:47
gdcm::Image::SetSpacing
void SetSpacing(const double spacing[3])
gdcm::PhotometricInterpretation
Class to represent an PhotometricInterpretation.
Definition gdcmPhotometricInterpretation.h:29
gdcm::PhotometricInterpretation::MONOCHROME2
@ MONOCHROME2
Definition gdcmPhotometricInterpretation.h:34
gdcm::PixelFormat
PixelFormat.
Definition gdcmPixelFormat.h:46
gdcm::PixelFormat::INT16
@ INT16
Definition gdcmPixelFormat.h:57
gdcm::PrivateTag
Class to represent a Private DICOM Data Element (Attribute) Tag (Group, Element, Owner).
Definition gdcmPrivateTag.h:39
gdcm::Reader
Reader ala DOM (Document Object Model).
Definition gdcmReader.h:54
gdcm::Reader::GetFile
const File & GetFile() const
Set/Get File.
Definition gdcmReader.h:72
gdcm::Reader::Read
virtual bool Read()
Main function to read a file.
gdcm::Reader::SetFileName
void SetFileName(const char *filename_native)
gdcm::Writer::SetFileName
void SetFileName(const char *filename_native)
Set the filename of DICOM file to write:
gdcmAttribute.h
gdcmCSAHeader.h
gdcmImageReader.h
gdcmImageWriter.h
gdcmPrivateTag.h
gdcmReader.h