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1 //
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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........oooOO0OOooo........oooOO0OOooo......
42 DicomFilePET::DicomFilePET() {}
43
44 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
45 DicomFilePET::DicomFilePET(DcmDataset* dset) : DicomVFileImage(dset) {}
46
47 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
48 void DicomFilePET::BuildActivities()
49 {
50 G4int fCompress = theFileMgr->GetCompression();
51 if (fNoVoxelsX % fCompress != 0 || fNoVoxelsY % fCompress != 0) {
52 G4Exception("DicompFileMgr.:BuildMaterials", "DFC004", FatalException,
53 ("Compression factor = " + std::to_string(fCompress)
54 + " has to be a divisor of Number of voxels X = " + std::to_string(fNoVoxelsX)
55 + " and Y " + std::to_string(fNoVoxelsY))
56 .c_str());
57 }
58
59 // if( DicomVerb(debugVerb) ) G4cout << " BuildMaterials " << fFileName << G4endl;
60 double meanHV = 0.;
61 for (int ir = 0; ir < fNoVoxelsY; ir += fCompress) {
62 for (int ic = 0; ic < fNoVoxelsX; ic += fCompress) {
63 meanHV = 0.;
64 int isumrMax = std::min(ir + fCompress, fNoVoxelsY);
65 int isumcMax = std::min(ic + fCompress, fNoVoxelsX);
66 for (int isumr = ir; isumr < isumrMax; isumr++) {
67 for (int isumc = ic; isumc < isumcMax; isumc++) {
68 meanHV += fHounsfieldV[isumc + isumr * fNoVoxelsX];
69 }
70 }
71 meanHV /= (isumrMax - ir) * (isumcMax - ic);
72 fActivities.push_back(meanHV);
73 }
74 }
75 }
76
77 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
78 void DicomFilePET::DumpActivitiesToTextFile(std::ofstream& fout)
79 {
80 G4int fCompress = theFileMgr->GetCompression();
81 if (DicomFileMgr::verbose >= warningVerb)
82 G4cout << fLocation << " DumpDensitiesToTextFile " << fFileName << " " << fActivities.size()
83 << G4endl;
84
85 G4int copyNo = 0;
86 for (int ir = 0; ir < fNoVoxelsY / fCompress; ir++) {
87 for (int ic = 0; ic < fNoVoxelsX / fCompress; ic++) {
88 fout << fActivities[ic + ir * fNoVoxelsX / fCompress];
89 if (ic != fNoVoxelsX / fCompress - 1) fout << " ";
90 if (copyNo % 8 == 7) fout << G4endl;
91 copyNo++;
92 }
93 if (copyNo % 8 != 0) fout << G4endl;
94 }
95 }
96