gdcmSpacing.h

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00001 /*=========================================================================
00002 
00003   Program: GDCM (Grassroots DICOM). A DICOM library
00004   Module:  $URL$
00005 
00006   Copyright (c) 2006-2010 Mathieu Malaterre
00007   All rights reserved.
00008   See Copyright.txt or http://gdcm.sourceforge.net/Copyright.html for details.
00009 
00010      This software is distributed WITHOUT ANY WARRANTY; without even
00011      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
00012      PURPOSE.  See the above copyright notice for more information.
00013 
00014 =========================================================================*/
00015 #ifndef GDCMSPACING_H
00016 #define GDCMSPACING_H
00017 
00018 #include "gdcmTypes.h"
00019 #include "gdcmAttribute.h"
00020 
00021 namespace gdcm
00022 {
00086 class GDCM_EXPORT Spacing
00087 {
00088 public :
00089   Spacing();
00090   ~Spacing();
00091 
00092   // Here are the list of spacing we support:
00093   // (0018,0088) DS [1.500000]                                         # 8,1 Spacing Between Slices
00094   // (0018,1164) DS [0.5\0.5 ]                                         # 8,2 Imager Pixel Spacing
00095   // (0018,2010) DS [0.664062\0.664062 ]                               # 18,2 Nominal Scanned Pixel Spacing
00096   // (0018,7022) DS [0.125\0.125 ]                                     # 12,2 Detector Element Spacing
00097   // (0028,0030) DS [0.25\0.25 ]                                       # 10,2 Pixel Spacing
00098   // > (0028,0a02) CS [FIDUCIAL]                                         # 8,1 Pixel Spacing Calibration Type
00099   // > (0028,0a04) LO [Used fiducial ]                                   # 14,1 Pixel Spacing Calibration Description
00100   // (0028,0034) IS [4\3 ]                                             # 4,2 Pixel Aspect Ratio
00101   // (3002,0011) DS [0.8\0.8 ]                                         # 8,2 Image Plane Pixel Spacing
00102 
00103   // Here is the list of Spacing we do not support:
00104   // <entry group="0018" element="7041" vr="LT" vm="1" name="Grid Spacing Material"/>
00105   // <entry group="0018" element="9030" vr="FD" vm="1" name="Tag Spacing First Dimension"/>
00106   // <entry group="0018" element="9218" vr="FD" vm="1" name="Tag Spacing Second Dimension"/>
00107   // <entry group="0018" element="9322" vr="FD" vm="2" name="Reconstruction Pixel Spacing"/>
00108   // <entry group="0018" element="9404" vr="FL" vm="2" name="Object Pixel Spacing in Center of Beam"/>
00109   // <entry group="0040" element="08d8" vr="SQ" vm="1" name="Pixel Spacing Sequence"/>
00110   // <entry group="0070" element="0101" vr="DS" vm="2" name="Presentation Pixel Spacing"/>
00111   // <entry group="2010" element="0376" vr="DS" vm="2" name="Printer Pixel Spacing"/>
00112   // <entry group="300a" element="00e9" vr="DS" vm="2" name="Compensator Pixel Spacing"/>
00113 
00114   typedef enum {
00115     DETECTOR = 0, // (0018,1164) Imager Pixel Spacing
00116     MAGNIFIED,    // (0018,1114) (IHE Mammo)
00117     CALIBRATED,   // (0028,0030) Pixel Spacing -> (0028,0a04) Pixel Spacing Calibration Description
00118     UNKNOWN
00119   } SpacingType;
00120 
00121   static Attribute<0x28,0x34> ComputePixelAspectRatioFromPixelSpacing(const Attribute<0x28,0x30>& pixelspacing);
00122 };
00123 } // end namespace gdcm
00124 //-----------------------------------------------------------------------------
00125 #endif //GDCMSPACING_H

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