GDCM: DecompressImage.py

GDCM 3.2.11

DecompressImage.py
"""
Usage:
python DecompressImage.py gdcmData/012345.002.050.dcm decompress.dcm
"""
import gdcm
import sys
if __name__ == "__main__":
file1 = sys.argv[1]
file2 = sys.argv[2]
r = gdcm.ImageReader()
r.SetFileName( file1 )
if not r.Read():
sys.exit(1)
# check GetFragment API:
pd = r.GetFile().GetDataSet().GetDataElement(gdcm.Tag(0x7fe0, 0x0010))
frags = pd.GetSequenceOfFragments();
frags.GetFragment(0);
ir = r.GetImage()
w = gdcm.ImageWriter()
image = w.GetImage()
image.SetNumberOfDimensions( ir.GetNumberOfDimensions() );
dims = ir.GetDimensions();
print ir.GetDimension(0);
print ir.GetDimension(1);
print "Dims:",dims
# Just for fun:
dircos = ir.GetDirectionCosines()
t = gdcm.Orientation.GetType(tuple(dircos))
l = gdcm.Orientation.GetLabel(t)
print "Orientation label:",l
image.SetDimension(0, ir.GetDimension(0) );
image.SetDimension(1, ir.GetDimension(1) );
pixeltype = ir.GetPixelFormat();
image.SetPixelFormat( pixeltype );
pi = ir.GetPhotometricInterpretation();
image.SetPhotometricInterpretation( pi );
pixeldata = gdcm.DataElement( gdcm.Tag(0x7fe0,0x0010) )
str1 = ir.GetBuffer()
#print ir.GetBufferLength()
pixeldata.SetByteStringValue( str1 )
image.SetDataElement( pixeldata )
w.SetFileName( file2 )
w.SetFile( r.GetFile() )
w.SetImage( image )
if not w.Write():
sys.exit(1)
gdcm::DataElement
Class to represent a Data Element either Implicit or Explicit.
Definition gdcmDataElement.h:59
gdcm::ImageReader
ImageReader.
Definition gdcmImageReader.h:34
gdcm::ImageWriter
ImageWriter.
Definition gdcmImageWriter.h:33
gdcm::Orientation::GetType
static OrientationType GetType(const double dircos[6])
gdcm::Orientation::GetLabel
static const char * GetLabel(OrientationType type)
Return the label of an Orientation.
gdcm::Tag
Class to represent a DICOM Data Element (Attribute) Tag (Group, Element).
Definition gdcmTag.h:39