| Geant4 Cross Reference |
1 // 1
2 // *******************************************
3 // * License and Disclaimer
4 // *
5 // * The Geant4 software is copyright of th
6 // * the Geant4 Collaboration. It is provided
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12 // * institutes,nor the agencies providing fin
13 // * work make any representation or warran
14 // * regarding this software system or assum
15 // * use. Please see the license in the file
16 // * for the full disclaimer and the limitatio
17 // *
18 // * This code implementation is the result
19 // * technical work of the GEANT4 collaboratio
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21 // * any work based on the software) you ag
22 // * use in resulting scientific publicati
23 // * acceptance of all terms of the Geant4 Sof
24 // *******************************************
25 //
26 #include "DicomFilePET.hh"
27
28 #include "DicomFileStructure.hh"
29 #include "DicomROI.hh"
30 #include "dcmtk/dcmdata/dcdeftag.h"
31 #include "dcmtk/dcmdata/dcfilefo.h"
32 #include "dcmtk/dcmdata/dcpixel.h"
33 #include "dcmtk/dcmdata/dcpixseq.h"
34 #include "dcmtk/dcmdata/dcpxitem.h"
35 #include "dcmtk/dcmrt/drtimage.h"
36
37 #include "G4GeometryTolerance.hh"
38
39 #include <set>
40
41 //....oooOO0OOooo........oooOO0OOooo........oo
42 DicomFilePET::DicomFilePET() {}
43
44 //....oooOO0OOooo........oooOO0OOooo........oo
45 DicomFilePET::DicomFilePET(DcmDataset* dset) :
46
47 //....oooOO0OOooo........oooOO0OOooo........oo
48 void DicomFilePET::BuildActivities()
49 {
50 G4int fCompress = theFileMgr->GetCompression
51 if (fNoVoxelsX % fCompress != 0 || fNoVoxels
52 G4Exception("DicompFileMgr.:BuildMaterials
53 ("Compression factor = " + std
54 + " has to be a divisor of Nu
55 + " and Y " + std::to_string(
56 .c_str());
57 }
58
59 // if( DicomVerb(debugVerb) ) G4cout << " B
60 double meanHV = 0.;
61 for (int ir = 0; ir < fNoVoxelsY; ir += fCom
62 for (int ic = 0; ic < fNoVoxelsX; ic += fC
63 meanHV = 0.;
64 int isumrMax = std::min(ir + fCompress,
65 int isumcMax = std::min(ic + fCompress,
66 for (int isumr = ir; isumr < isumrMax; i
67 for (int isumc = ic; isumc < isumcMax;
68 meanHV += fHounsfieldV[isumc + isumr
69 }
70 }
71 meanHV /= (isumrMax - ir) * (isumcMax -
72 fActivities.push_back(meanHV);
73 }
74 }
75 }
76
77 //....oooOO0OOooo........oooOO0OOooo........oo
78 void DicomFilePET::DumpActivitiesToTextFile(st
79 {
80 G4int fCompress = theFileMgr->GetCompression
81 if (DicomFileMgr::verbose >= warningVerb)
82 G4cout << fLocation << " DumpDensitiesToTe
83 << G4endl;
84
85 G4int copyNo = 0;
86 for (int ir = 0; ir < fNoVoxelsY / fCompress
87 for (int ic = 0; ic < fNoVoxelsX / fCompre
88 fout << fActivities[ic + ir * fNoVoxelsX
89 if (ic != fNoVoxelsX / fCompress - 1) fo
90 if (copyNo % 8 == 7) fout << G4endl;
91 copyNo++;
92 }
93 if (copyNo % 8 != 0) fout << G4endl;
94 }
95 }
96