-// $Header: /cvs/public/gdcm/src/Attic/gdcmHeader.cxx,v 1.81 2003/09/05 11:53:39 malaterre Exp $
+// $Header: /cvs/public/gdcm/src/Attic/gdcmHeader.cxx,v 1.82 2003/09/10 16:31:24 malaterre Exp $
//This is needed when compiling in debug mode
#ifdef _MSC_VER
return( BitsAlloc + Signed);
}
-/**
- * \ingroup gdcmHeader
- * \brief gets the info from 0028,0030 : Pixel Spacing
- * \ else 1.
- * @return X dimension of a pixel
- */
-float gdcmHeader::GetXSpacing(void) {
- float xspacing, yspacing;
- string StrSpacing = GetPubElValByNumber(0x0028,0x0030);
-
- if (StrSpacing == "gdcm::Unfound") {
- dbg.Verbose(0, "gdcmHeader::GetXSpacing: unfound Pixel Spacing (0028,0030)");
- return 1.;
- }
- if( sscanf( StrSpacing.c_str(), "%f\\%f", &xspacing, &yspacing) != 2)
- return 0.;
- //else
- return xspacing;
-}
-
-/**
- * \ingroup gdcmHeader
- * \brief gets the info from 0028,0030 : Pixel Spacing
- * \ else 1.
- * @return Y dimension of a pixel
- */
-float gdcmHeader::GetYSpacing(void) {
- float xspacing, yspacing;
- string StrSpacing = GetPubElValByNumber(0x0028,0x0030);
-
- if (StrSpacing == "gdcm::Unfound") {
- dbg.Verbose(0, "gdcmHeader::GetYSpacing: unfound Pixel Spacing (0028,0030)");
- return 1.;
- }
- if( sscanf( StrSpacing.c_str(), "%f\\%f", &xspacing, &yspacing) != 2)
- return 0.;
- if (yspacing == 0.) {
- dbg.Verbose(0, "gdcmHeader::GetYSpacing: gdcmData/CT-MONO2-8-abdo.dcm problem");
- // seems to be a bug in the header ...
- sscanf( StrSpacing.c_str(), "%f\\0\\%f", &xspacing, &yspacing);
- }
- return yspacing;
-}
-
-
-/**
- *\ingroup gdcmHeader
- *\brief gets the info from 0018,0088 : Space Between Slices
- *\ else from 0018,0050 : Slice Thickness
- *\ else 1.
- * @return Z dimension of a voxel-to be
- */
-float gdcmHeader::GetZSpacing(void) {
- // TODO : translate into English
- // Spacing Between Slices : distance entre le milieu de chaque coupe
- // Les coupes peuvent etre :
- // jointives (Spacing between Slices = Slice Thickness)
- // chevauchantes (Spacing between Slices < Slice Thickness)
- // disjointes (Spacing between Slices > Slice Thickness)
- // Slice Thickness : epaisseur de tissus sur laquelle est acquis le signal
- // ca interesse le physicien de l'IRM, pas le visualisateur de volumes ...
- // Si le Spacing Between Slices est absent,
- // on suppose que les coupes sont jointives
-
- string StrSpacingBSlices = GetPubElValByNumber(0x0018,0x0088);
-
- if (StrSpacingBSlices == "gdcm::Unfound") {
- dbg.Verbose(0, "gdcmHeader::GetZSpacing: unfound StrSpacingBSlices");
- string StrSliceThickness = GetPubElValByNumber(0x0018,0x0050);
- if (StrSliceThickness == "gdcm::Unfound")
- return 1.;
- else
- // if no 'Spacing Between Slices' is found,
- // we assume slices join together
- // (no overlapping, no interslice gap)
- // if they don't, we're fucked up
- return atof(StrSliceThickness.c_str());
- } else {
- return atof(StrSpacingBSlices.c_str());
- }
-}
-
-//
-// Image Position Patient (0020,0032):
-// If not found (ACR_NEMA) we try Image Position (0020,0030)
-// If not found (ACR-NEMA), we consider Slice Location (0020,1041)
-// or Location (0020,0050)
-// as the Z coordinate,
-// 0. for all the coordinates if nothing is found
-
-// TODO : find a way to inform the caller nothing was found
-// TODO : How to tell the caller a wrong number of values was found?
-
-/**
- * \ingroup gdcmHeader
- * \brief gets the info from 0020,0032 : Image Position Patient
- *\ else from 0020,0030 : Image Position (RET)
- *\ else 0.
- * @return up-left image corner position
- */
-float gdcmHeader::GetXImagePosition(void) {
- float xImPos, yImPos, zImPos;
- string StrImPos = GetPubElValByNumber(0x0020,0x0032);
-
- if (StrImPos == "gdcm::Unfound") {
- dbg.Verbose(0, "gdcmHeader::GetXImagePosition: unfound Image Position Patient (0020,0032)");
- StrImPos = GetPubElValByNumber(0x0020,0x0030); // For ACR-NEMA images
- if (StrImPos == "gdcm::Unfound") {
- dbg.Verbose(0, "gdcmHeader::GetXImagePosition: unfound Image Position (RET) (0020,0030)");
- // How to tell the caller nothing was found ?
- return 0.;
- }
- }
- if( sscanf( StrImPos.c_str(), "%f\\%f\\%f", &xImPos, &yImPos, &zImPos) != 3)
- return 0.;
- return xImPos;
-}
-
-/**
- * \ingroup gdcmHeader
- * \brief gets the info from 0020,0032 : Image Position Patient
- * \ else from 0020,0030 : Image Position (RET)
- * \ else 0.
- * @return up-left image corner position
- */
-float gdcmHeader::GetYImagePosition(void) {
- float xImPos, yImPos, zImPos;
- string StrImPos = GetPubElValByNumber(0x0020,0x0032);
-
- if (StrImPos == "gdcm::Unfound") {
- dbg.Verbose(0, "gdcmHeader::GetYImagePosition: unfound Image Position Patient (0020,0032)");
- StrImPos = GetPubElValByNumber(0x0020,0x0030); // For ACR-NEMA images
- if (StrImPos == "gdcm::Unfound") {
- dbg.Verbose(0, "gdcmHeader::GetYImagePosition: unfound Image Position (RET) (0020,0030)");
- // How to tell the caller nothing was found ?
- return 0.;
- }
- }
- if( sscanf( StrImPos.c_str(), "%f\\%f\\%f", &xImPos, &yImPos, &zImPos) != 3)
- return 0.;
- return yImPos;
-}
-
-/**
- * \ingroup gdcmHeader
- * \brief gets the info from 0020,0032 : Image Position Patient
- * \ else from 0020,0030 : Image Position (RET)
- * \ else from 0020,1041 : Slice Location
- * \ else from 0020,0050 : Location
- * \ else 0.
- * @return up-left image corner position
- */
-float gdcmHeader::GetZImagePosition(void) {
- float xImPos, yImPos, zImPos;
- string StrImPos = GetPubElValByNumber(0x0020,0x0032);
- if (StrImPos != "gdcm::Unfound") {
- if( sscanf( StrImPos.c_str(), "%f\\%f\\%f", &xImPos, &yImPos, &zImPos) != 3) {
- dbg.Verbose(0, "gdcmHeader::GetZImagePosition: wrong Image Position Patient (0020,0032)");
- return 0.; // bug in the element 0x0020,0x0032
- } else {
- return zImPos;
- }
- }
- StrImPos = GetPubElValByNumber(0x0020,0x0030); // For ACR-NEMA images
- if (StrImPos != "gdcm::Unfound") {
- if( sscanf( StrImPos.c_str(), "%f\\%f\\%f", &xImPos, &yImPos, &zImPos) != 3) {
- dbg.Verbose(0, "gdcmHeader::GetZImagePosition: wrong Image Position (RET) (0020,0030)");
- return 0.; // bug in the element 0x0020,0x0032
- } else {
- return zImPos;
- }
- }
- string StrSliceLocation = GetPubElValByNumber(0x0020,0x1041);// for *very* old ACR-NEMA images
- if (StrSliceLocation != "gdcm::Unfound") {
- if( sscanf( StrSliceLocation.c_str(), "%f", &zImPos) !=1) {
- dbg.Verbose(0, "gdcmHeader::GetZImagePosition: wrong Slice Location (0020,1041)");
- return 0.; // bug in the element 0x0020,0x1041
- } else {
- return zImPos;
- }
- }
- dbg.Verbose(0, "gdcmHeader::GetZImagePosition: unfound Slice Location (0020,1041)");
- string StrLocation = GetPubElValByNumber(0x0020,0x0050);
- if (StrLocation != "gdcm::Unfound") {
- if( sscanf( StrLocation.c_str(), "%f", &zImPos) !=1) {
- dbg.Verbose(0, "gdcmHeader::GetZImagePosition: wrong Location (0020,0050)");
- return 0.; // bug in the element 0x0020,0x0050
- } else {
- return zImPos;
- }
- }
- dbg.Verbose(0, "gdcmHeader::GetYImagePosition: unfound Location (0020,0050)");
- return 0.; // Hopeless
-}
-
-
/**
* \ingroup gdcmHeader
* \brief gets the info from 0002,0010 : Transfert Syntax