Program: gdcm
Module: $RCSfile: gdcmFile.cxx,v $
Language: C++
- Date: $Date: 2005/11/25 13:56:31 $
- Version: $Revision: 1.309 $
+ Date: $Date: 2006/02/07 12:37:19 $
+ Version: $Revision: 1.314 $
Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
l'Image). All rights reserved. See Doc/License.txt or
/**
* \brief gets the info from 0020,0037 : Image Orientation Patient
* or from 0020 0035 : Image Orientation (RET)
+ *
* (needed to organize DICOM files based on their x,y,z position)
- * @param iop adress of the (6)float array to receive values
- * @return true when one of the tag is found
- * false when nothing is found
+ *
+ * @param iop adress of the (6)float array to receive values.
+ * (defaulted as 1.,0.,0.,0.,1.,0. if nothing -or inconsistent stuff-
+ * is found.
+ * @return true when one of the tag -with consistent values- is found
+ * false when nothing or inconsistent stuff - is found
*/
-bool File::GetImageOrientationPatient( double iop[6] )
+bool File::GetImageOrientationPatient( float iop[6] )
{
std::string strImOriPat;
- //iop is supposed to be double[6]
- iop[0] = iop[4] = 1.;
- iop[1] = iop[2] = iop[3] = iop[5] = 0.;
+ //iop is supposed to be float[6]
// 0020 0037 DS REL Image Orientation (Patient)
if ( (strImOriPat = GetEntryString(0x0020,0x0037)) != GDCM_UNFOUND )
if ( sscanf( strImOriPat.c_str(), "%f \\ %f \\%f \\%f \\%f \\%f ",
&iop[0], &iop[1], &iop[2], &iop[3], &iop[4], &iop[5]) != 6 )
{
+ iop[0] = iop[4] = 1.;
+ iop[1] = iop[2] = iop[3] = iop[5] = 0.;
gdcmWarningMacro( "Wrong Image Orientation Patient (0020,0037)."
<< " Less than 6 values were found." );
return false;
}
+ else
+ return true;
}
//For ACR-NEMA
// 0020 0035 DS REL Image Orientation (RET)
if ( sscanf( strImOriPat.c_str(), "%f \\ %f \\%f \\%f \\%f \\%f ",
&iop[0], &iop[1], &iop[2], &iop[3], &iop[4], &iop[5]) != 6 )
{
+ iop[0] = iop[4] = 1.;
+ iop[1] = iop[2] = iop[3] = iop[5] = 0.;
gdcmWarningMacro( "wrong Image Orientation Patient (0020,0035). "
<< "Less than 6 values were found." );
return false;
}
+ else
+ return true;
}
- return true;
+ return false;
}
/**
/**
*\brief gets the info from 0028,1052 : Rescale Intercept
- * @return Rescale Intercept
+ * @return Rescale Intercept. defaulted to 0.0 is not found or empty
*/
float File::GetRescaleIntercept()
{
/**
*\brief gets the info from 0028,1053 : Rescale Slope
- * @return Rescale Slope
+ * @return Rescale Slope. defaulted to 0.0 is not found or empty
*/
float File::GetRescaleSlope()
{
e0000->SetString(sLen.str());
}
- // FIXME : Derma?.dcm does not have it...let's remove it ?!? JPRx
+ /// \todo FIXME : Derma?.dcm does not have it...let's remove it ?!? JPRx
if( writetype != JPEG )
{
int i_lgPix = GetEntryLength(GrPixel, NumPixel);
return true;
}
+
//-----------------------------------------------------------------------------
// Protected
// Offset Table information on fragments of this current Frame.
// Note that the fragment pixels themselves are not loaded
// (but just skipped).
- long frameOffset = Fp->tellg();
+ long frameOffset = Fp->tellg(); // once per fragment
uint32_t nbRleSegments = ReadInt32();
if ( nbRleSegments > 16 )
// Make sure that we encounter a 'Sequence Delimiter Item'
// at the end of the item :
- if ( !ReadTag(0xfffe, 0xe0dd) )
+ if ( !ReadTag(0xfffe, 0xe0dd) ) // once per RLE File
{
gdcmWarningMacro( "No sequence delimiter item at end of RLE item sequence");
}
long fragmentLength;
int i=0;
uint32_t sum = 0;
- while ( (fragmentLength = ReadTagLength(0xfffe, 0xe000)) != 0 )
+ while ( (fragmentLength = ReadTagLength(0xfffe, 0xe000)) != 0 )
{
// Since we have read the basic offset table, let's check the value were correct
// or else produce a warning:
i++;
}
- long fragmentOffset = Fp->tellg();
+ long fragmentOffset = Fp->tellg(); // Once per fragment
// Store the collected info
JPEGFragment *newFragment = new JPEGFragment;
newFragment->SetOffset(fragmentOffset);
*/
bool File::ReadTag(uint16_t testGroup, uint16_t testElem)
{
- long positionOnEntry = Fp->tellg();
- long currentPosition = Fp->tellg(); // On debugging purposes
+ long positionOnEntry = Fp->tellg(); // Only when reading fragments
+ //long currentPosition = positionOnEntry; // On debugging purposes
// Read the Item Tag group and element, and make
// sure they are what we expected:
<< " but instead we encountered tag ("
<< DictEntry::TranslateToKey(itemTagGroup,itemTagElem) << ")"
<< " at address: " << " 0x(" << std::hex
- << (unsigned int)currentPosition << std::dec << ")"
+ << (unsigned int)positionOnEntry << std::dec << ")"
) ;
Fp->seekg(positionOnEntry, std::ios::beg);
}
//// Then read the associated Item Length
- long currentPosition = Fp->tellg();
+
+ // long currentPosition = Fp->tellg(); // save time // JPRx
uint32_t itemLength = ReadInt32();
gdcmDebugMacro( "Basic Item Length is: " << itemLength
- << " at address: " << std::hex << (unsigned int)currentPosition);
+// << " at address: " << std::hex << (unsigned int)currentPosition
+ );
return itemLength;
}
git://git.creatis.insa-lyon.fr / gdcm.git / blobdiff