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1 // 1 //
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25 // 25 //
26 // <<
27 /// \file medical/DICOM/src/DicomHandler.cc <<
28 /// \brief Implementation of the DicomHandler <<
29 // <<
30 // The code was written by : 26 // The code was written by :
31 // *Louis Archambault louis.archambault@p << 27 // *Louis Archambault louis.archambault@phy.ulaval.ca,
32 // *Luc Beaulieu beaulieu@phy.ulaval.ca 28 // *Luc Beaulieu beaulieu@phy.ulaval.ca
33 // +Vincent Hubert-Tremblay at tigre.2@sy 29 // +Vincent Hubert-Tremblay at tigre.2@sympatico.ca
34 // 30 //
35 // 31 //
36 // *Centre Hospitalier Universitaire de Quebec 32 // *Centre Hospitalier Universitaire de Quebec (CHUQ),
37 // Hotel-Dieu de Quebec, departement de Radio- 33 // Hotel-Dieu de Quebec, departement de Radio-oncologie
38 // 11 cote du palais. Quebec, QC, Canada, G1R 34 // 11 cote du palais. Quebec, QC, Canada, G1R 2J6
39 // tel (418) 525-4444 #6720 35 // tel (418) 525-4444 #6720
40 // fax (418) 691 5268 36 // fax (418) 691 5268
41 // 37 //
42 // + University Laval, Quebec (QC) Canada << 38 // + Universit.AŽé Laval, QuŽébec (QC) Canada
43 //******************************************** 39 //*******************************************************
44 // 40 //
45 //******************************************** 41 //*******************************************************
46 // 42 //
47 /// DicomHandler.cc : << 43 //*******************************************************
48 /// - Handling of DICM images << 44 //
49 /// - Reading headers and pixels << 45 // DicomHandler.cc :
50 /// - Transforming pixel to density and << 46 // - Handling of DICM images
51 /// files << 47 // - Reading headers and pixels
>> 48 // - Transforming pixel to density and creating *.g4dcm
>> 49 // files
>> 50 // - Definitions are in DicomHandler.hh
52 //******************************************** 51 //*******************************************************
53 52
54 #include "DicomHandler.hh" 53 #include "DicomHandler.hh"
55 <<
56 #include "DicomPhantomZSliceHeader.hh" <<
57 #include "DicomPhantomZSliceMerged.hh" <<
58 <<
59 #include "G4ios.hh" <<
60 #include "globals.hh" 54 #include "globals.hh"
>> 55 #include "G4ios.hh"
>> 56 #include <fstream>
61 57
62 #include <cctype> 58 #include <cctype>
63 #include <cstring> 59 #include <cstring>
64 #include <fstream> <<
65 <<
66 //....oooOO0OOooo........oooOO0OOooo........oo <<
67 <<
68 DicomHandler* DicomHandler::fInstance = 0; <<
69 60
70 //....oooOO0OOooo........oooOO0OOooo........oo <<
71 61
72 DicomHandler* DicomHandler::Instance() <<
73 { <<
74 if (fInstance == 0) { <<
75 static DicomHandler dicomhandler; <<
76 fInstance = &dicomhandler; <<
77 } <<
78 return fInstance; <<
79 } <<
80 <<
81 //....oooOO0OOooo........oooOO0OOooo........oo <<
82 <<
83 G4String DicomHandler::GetDicomDataPath() <<
84 { <<
85 // default is current directory <<
86 G4String driverPath = "."; <<
87 // check environment <<
88 const char* path = std::getenv("DICOM_PATH") <<
89 <<
90 if (path) { <<
91 // if is set in environment <<
92 return G4String(path); <<
93 } <<
94 else { <<
95 // if DICOM_USE_HEAD, look for data instal <<
96 #ifdef DICOM_USE_HEAD <<
97 G4cerr << "Warning! DICOM was compiled wit <<
98 << "the DICOM_PATH was not set!" << <<
99 G4String datadir = G4GetEnv<G4String>("G4E <<
100 if (datadir.length() > 0) { <<
101 auto _last = datadir.rfind("/"); <<
102 if (_last != std::string::npos) datadir. <<
103 driverPath = datadir + "/DICOM1.1/DICOM_ <<
104 G4int rc = setenv("DICOM_PATH", driverPa <<
105 G4cerr << "\t --> Using '" << driverPath <<
106 G4ConsumeParameters(rc); <<
107 } <<
108 #endif <<
109 } <<
110 return driverPath; <<
111 } <<
112 <<
113 //....oooOO0OOooo........oooOO0OOooo........oo <<
114 <<
115 G4String DicomHandler::GetDicomDataFile() <<
116 { <<
117 #if defined(DICOM_USE_HEAD) && defined(G4_DCMT <<
118 return GetDicomDataPath() + "/Data.dat.new"; <<
119 #else <<
120 return GetDicomDataPath() + "/Data.dat"; <<
121 #endif <<
122 } <<
123 <<
124 //....oooOO0OOooo........oooOO0OOooo........oo <<
125 <<
126 #ifdef DICOM_USE_HEAD <<
127 DicomHandler::DicomHandler() <<
128 : DATABUFFSIZE(8192), <<
129 LINEBUFFSIZE(5020), <<
130 FILENAMESIZE(512), <<
131 fCompression(0), <<
132 fNFiles(0), <<
133 fRows(0), <<
134 fColumns(0), <<
135 fBitAllocated(0), <<
136 fMaxPixelValue(0), <<
137 fMinPixelValue(0), <<
138 fPixelSpacingX(0.), <<
139 fPixelSpacingY(0.), <<
140 fSliceThickness(0.), <<
141 fSliceLocation(0.), <<
142 fRescaleIntercept(0), <<
143 fRescaleSlope(0), <<
144 fLittleEndian(true), <<
145 fImplicitEndian(false), <<
146 fPixelRepresentation(0), <<
147 fNbrequali(0), <<
148 fValueDensity(NULL), <<
149 fValueCT(NULL), <<
150 fReadCalibration(false), <<
151 fMergedSlices(NULL), <<
152 fCt2DensityFile("null.dat") <<
153 { <<
154 fMergedSlices = new DicomPhantomZSliceMerged <<
155 fDriverFile = GetDicomDataFile(); <<
156 G4cout << "Reading the DICOM_HEAD project " <<
157 } <<
158 #else <<
159 DicomHandler::DicomHandler() 62 DicomHandler::DicomHandler()
160 : DATABUFFSIZE(8192), << 63 : DATABUFFSIZE(8192), LINEBUFFSIZE(128), FILENAMESIZE(512),
161 LINEBUFFSIZE(5020), << 64 compression(0), nFiles(0), rows(0), columns(0),
162 FILENAMESIZE(512), << 65 bitAllocated(0), maxPixelValue(0), minPixelValue(0),
163 fCompression(0), << 66 pixelSpacingX(0.), pixelSpacingY(0.),
164 fNFiles(0), << 67 sliceThickness(0.), sliceLocation(0.),
165 fRows(0), << 68 rescaleIntercept(0), rescaleSlope(0),
166 fColumns(0), << 69 littleEndian(true), implicitEndian(false),
167 fBitAllocated(0), << 70 pixelRepresentation(0) {
168 fMaxPixelValue(0), << 71 ;
169 fMinPixelValue(0), <<
170 fPixelSpacingX(0.), <<
171 fPixelSpacingY(0.), <<
172 fSliceThickness(0.), <<
173 fSliceLocation(0.), <<
174 fRescaleIntercept(0), <<
175 fRescaleSlope(0), <<
176 fLittleEndian(true), <<
177 fImplicitEndian(false), <<
178 fPixelRepresentation(0), <<
179 fNbrequali(0), <<
180 fValueDensity(NULL), <<
181 fValueCT(NULL), <<
182 fReadCalibration(false), <<
183 fMergedSlices(NULL), <<
184 fDriverFile("Data.dat"), <<
185 fCt2DensityFile("CT2Density.dat") <<
186 { <<
187 fMergedSlices = new DicomPhantomZSliceMerged <<
188 } 72 }
189 #endif <<
190 //....oooOO0OOooo........oooOO0OOooo........oo <<
191 <<
192 DicomHandler::~DicomHandler() {} <<
193 73
194 //....oooOO0OOooo........oooOO0OOooo........oo << 74 DicomHandler::~DicomHandler() {
>> 75 ;
>> 76 }
195 77
196 G4int DicomHandler::ReadFile(FILE* dicom, char << 78 G4int DicomHandler::ReadFile(FILE *dicom, char * filename2)
197 { 79 {
198 G4cout << " ReadFile " << filename2 << G4end 80 G4cout << " ReadFile " << filename2 << G4endl;
>> 81 G4int returnvalue = 0;
>> 82 char * buffer = new char[LINEBUFFSIZE];
199 83
200 G4int returnvalue = 0; << 84 implicitEndian = false;
201 size_t rflag = 0; << 85 littleEndian = true;
202 char* buffer = new char[LINEBUFFSIZE]; <<
203 <<
204 fImplicitEndian = false; <<
205 fLittleEndian = true; <<
206 <<
207 rflag = std::fread(buffer, 1, 128, dicom); <<
208 <<
209 <<
210 rflag = std::fread(buffer, 1, 4, dicom); <<
211 // if there is no preamble, the FILE pointer <<
212 if (std::strncmp("DICM", buffer, 4) != 0) { <<
213 std::fseek(dicom, 0, SEEK_SET); <<
214 fImplicitEndian = true; <<
215 } <<
216 <<
217 short readGroupId; // identify the kind of <<
218 short readElementId; // identify a particul <<
219 short elementLength2; // deal with element <<
220 // unsigned int eleme <<
221 // deal with element length in 4 bytes <<
222 unsigned long elementLength4; // deal with <<
223 <<
224 char* data = new char[DATABUFFSIZE]; <<
225 <<
226 // Read information up to the pixel data <<
227 while (true) { <<
228 // Reading groups and elements : <<
229 readGroupId = 0; <<
230 readElementId = 0; <<
231 // group ID <<
232 rflag = std::fread(buffer, 2, 1, dicom); <<
233 GetValue(buffer, readGroupId); <<
234 // element ID <<
235 rflag = std::fread(buffer, 2, 1, dicom); <<
236 GetValue(buffer, readElementId); <<
237 <<
238 // Creating a tag to be identified afterwa <<
239 G4int tagDictionary = readGroupId * 0x1000 <<
240 <<
241 // beginning of the pixels <<
242 if (tagDictionary == 0x7FE00010) { <<
243 // Following 2 fread's are modifications <<
244 // (Jonathan Madsen) <<
245 if (!fImplicitEndian) rflag = std::fread <<
246 // (not used for pixels) <<
247 rflag = std::fread(buffer, 4, 1, dicom); <<
248 // (not used for pixels) <<
249 break; // Exit to ReadImageData() <<
250 } <<
251 <<
252 // VR or element length <<
253 rflag = std::fread(buffer, 2, 1, dicom); <<
254 GetValue(buffer, elementLength2); <<
255 <<
256 // If value representation (VR) is OB, OW, <<
257 // the next length is 32 bits <<
258 if ((elementLength2 == 0x424f || // "OB" <<
259 elementLength2 == 0x574f || // "OW" <<
260 elementLength2 == 0x464f || // "OF" <<
261 elementLength2 == 0x5455 || // "UT" <<
262 elementLength2 == 0x5153 || // "SQ" <<
263 elementLength2 == 0x4e55) <<
264 && // "UN" <<
265 !fImplicitEndian) <<
266 { // explicit VR <<
267 <<
268 rflag = std::fread(buffer, 2, 1, dicom); <<
269 <<
270 // element length <<
271 rflag = std::fread(buffer, 4, 1, dicom); <<
272 GetValue(buffer, elementLength4); <<
273 <<
274 if (elementLength2 == 0x5153) { <<
275 if (elementLength4 == 0xFFFFFFFF) { <<
276 read_undefined_nested(dicom); <<
277 elementLength4 = 0; <<
278 } <<
279 else { <<
280 if (read_defined_nested(dicom, eleme <<
281 G4Exception("DicomHandler::ReadFil <<
282 "Function read_defined <<
283 } <<
284 } <<
285 } <<
286 else { <<
287 // Reading the information with data <<
288 rflag = std::fread(data, elementLength <<
289 } <<
290 } <<
291 else { <<
292 // explicit with VR different than prev <<
293 if (!fImplicitEndian || readGroupId == 2 <<
294 // G4cout << "Reading DICOM files wit <<
295 // element length (2 bytes) <<
296 rflag = std::fread(buffer, 2, 1, dicom <<
297 GetValue(buffer, elementLength2); <<
298 elementLength4 = elementLength2; <<
299 <<
300 rflag = std::fread(data, elementLength <<
301 } <<
302 else { // Implicit VR <<
303 <<
304 // G4cout << "Reading DICOM files wit <<
305 <<
306 // element length (4 bytes) <<
307 if (std::fseek(dicom, -2, SEEK_CUR) != <<
308 G4Exception("DicomHandler::ReadFile" <<
309 } <<
310 <<
311 rflag = std::fread(buffer, 4, 1, dicom <<
312 GetValue(buffer, elementLength4); <<
313 <<
314 // G4cout << std::hex<< elementLength <<
315 <<
316 if (elementLength4 == 0xFFFFFFFF) { <<
317 read_undefined_nested(dicom); <<
318 elementLength4 = 0; <<
319 } <<
320 else { <<
321 rflag = std::fread(data, elementLeng <<
322 } <<
323 } <<
324 } <<
325 <<
326 // NULL termination <<
327 data[elementLength4] = '\0'; <<
328 <<
329 // analyzing information <<
330 GetInformation(tagDictionary, data); <<
331 } <<
332 <<
333 G4String fnameG4DCM = G4String(filename2) + <<
334 <<
335 // Perform functions originally written stra <<
336 DicomPhantomZSliceHeader* zslice = new Dicom <<
337 for (auto ite = fMaterialIndices.cbegin(); i <<
338 zslice->AddMaterial(ite->second); <<
339 } <<
340 <<
341 zslice->SetNoVoxelsX(fColumns / fCompression <<
342 zslice->SetNoVoxelsY(fRows / fCompression); <<
343 zslice->SetNoVoxelsZ(1); <<
344 <<
345 zslice->SetMinX(-fPixelSpacingX * fColumns / <<
346 zslice->SetMaxX(fPixelSpacingX * fColumns / <<
347 86
348 zslice->SetMinY(-fPixelSpacingY * fRows / 2. << 87 std::fread( buffer, 1, 128, dicom ); // The first 128 bytes
349 zslice->SetMaxY(fPixelSpacingY * fRows / 2.) << 88 //are not important
>> 89 // Reads the "DICOM" letters
>> 90 std::fread( buffer, 1, 4, dicom );
>> 91 // if there is no preamble, the FILE pointer is rewinded.
>> 92 if(std::strncmp("DICM", buffer, 4) != 0) {
>> 93 std::fseek(dicom, 0, SEEK_SET);
>> 94 implicitEndian = true;
>> 95 }
>> 96
>> 97 short readGroupId; // identify the kind of input data
>> 98 short readElementId; // identify a particular type information
>> 99 short elementLength2; // deal with element length in 2 bytes
>> 100 G4int elementLength4; // deal with element length in 4 bytes
>> 101
>> 102 char * data = new char[DATABUFFSIZE];
>> 103
>> 104 // Read information up to the pixel data
>> 105 while(true) {
>> 106
>> 107 //Reading groups and elements :
>> 108 readGroupId = 0;
>> 109 readElementId = 0;
>> 110 // group ID
>> 111 std::fread(buffer, 2, 1, dicom);
>> 112 GetValue(buffer, readGroupId);
>> 113 // element ID
>> 114 std::fread(buffer, 2, 1, dicom);
>> 115 GetValue(buffer, readElementId);
>> 116
>> 117 // Creating a tag to be identified afterward
>> 118 G4int tagDictionary = readGroupId*0x10000 + readElementId;
>> 119
>> 120
>> 121 // VR or element length
>> 122 std::fread(buffer,2,1,dicom);
>> 123 GetValue(buffer, elementLength2);
>> 124
>> 125 // If value representation (VR) is OB, OW, SQ, UN,
>> 126 //the next length is 32 bits
>> 127 if((elementLength2 == 0x424f || // "OB"
>> 128 elementLength2 == 0x574f || // "OW"
>> 129 elementLength2 == 0x5153 || // "SQ"
>> 130 elementLength2 == 0x4e55) && // "UN"
>> 131 !implicitEndian ) { // explicit VR
>> 132
>> 133 std::fread(buffer, 2, 1, dicom); // Skip 2 reserved bytes
>> 134
>> 135 // element length
>> 136 std::fread(buffer, 4, 1, dicom);
>> 137 GetValue(buffer, elementLength4);
>> 138
>> 139 // beginning of the pixels
>> 140 if(tagDictionary == 0x7FE00010) break;
>> 141
>> 142 // Reading the information with data
>> 143 std::fread(data, elementLength4,1,dicom);
>> 144
>> 145
>> 146 } else { // length is 16 bits :
>> 147
>> 148 if(!implicitEndian || readGroupId == 2) {
>> 149 // element length (2 bytes)
>> 150 std::fread(buffer, 2, 1, dicom);
>> 151 GetValue(buffer, elementLength2);
>> 152 elementLength4 = elementLength2;
>> 153
>> 154 } else {
>> 155 // element length (4 bytes)
>> 156 if(std::fseek(dicom, -2, SEEK_CUR) != 0) {
>> 157 G4cerr << "[DicomHandler] fseek failed" << G4endl;
>> 158 exit(-10);
>> 159 }
>> 160 std::fread(buffer, 4, 1, dicom);
>> 161 GetValue(buffer, elementLength4);
>> 162 }
>> 163
>> 164 // beginning of the pixels
>> 165 if(tagDictionary == 0x7FE00010) break;
>> 166
>> 167 std::fread(data, elementLength4, 1, dicom);
>> 168 }
>> 169
>> 170 // NULL termination
>> 171 data[elementLength4] = '\0';
>> 172
>> 173 // analyzing information
>> 174 GetInformation(tagDictionary, data);
>> 175 }
>> 176
>> 177 // Creating files to store information
>> 178 std::ofstream foutG4DCM;
>> 179 G4String fnameG4DCM = G4String(filename2) + ".g4dcm";
>> 180 foutG4DCM.open(fnameG4DCM);
>> 181 G4cout << " opened fnameG4DCM file " << fnameG4DCM << G4endl;
>> 182
>> 183 foutG4DCM << fMaterialIndices.size() << G4endl;
>> 184 //--- Write materials
>> 185 size_t ii = 0;
>> 186 std::map<G4double,G4String>::const_iterator ite;
>> 187 for( ite = fMaterialIndices.begin(); ite != fMaterialIndices.end(); ite++, ii++ ){
>> 188 foutG4DCM << ii << " " << (*ite).second << G4endl;
>> 189 }
>> 190 //--- Write number of voxels (assume only one voxel in Z)
>> 191 foutG4DCM << rows/compression << " " << columns/compression << " 1 " << G4endl;
>> 192 //--- Write minimum and maximum extensions
>> 193 foutG4DCM << -pixelSpacingX*rows/2 << " " << pixelSpacingX*rows/2 << G4endl;
>> 194 foutG4DCM << -pixelSpacingY*columns/2 << " " << pixelSpacingY*columns/2 << G4endl;
>> 195 foutG4DCM << sliceLocation-sliceThickness/2. << " " << sliceLocation+sliceThickness/2. << G4endl;
>> 196
>> 197 ReadData( dicom, filename2 );
>> 198
>> 199 StoreData( foutG4DCM );
>> 200
>> 201 foutG4DCM.close();
>> 202
>> 203 //
>> 204 delete [] buffer;
>> 205 delete [] data;
350 206
351 zslice->SetMinZ(fSliceLocation - fSliceThick << 207 return returnvalue;
352 zslice->SetMaxZ(fSliceLocation + fSliceThick <<
353 <<
354 //=== <<
355 <<
356 ReadData(dicom, filename2); <<
357 <<
358 // DEPRECIATED <<
359 // StoreData( foutG4DCM ); <<
360 // foutG4DCM.close(); <<
361 <<
362 StoreData(zslice); <<
363 <<
364 // Dumped 2 file after DicomPhantomZSliceMer <<
365 // zslice->DumpToFile(); <<
366 <<
367 fMergedSlices->AddZSlice(zslice); <<
368 <<
369 // <<
370 delete[] buffer; <<
371 delete[] data; <<
372 <<
373 if (rflag) return returnvalue; <<
374 return returnvalue; <<
375 } 208 }
376 209
377 //....oooOO0OOooo........oooOO0OOooo........oo << 210 //
378 << 211 void DicomHandler::GetInformation(G4int & tagDictionary, char * data) {
379 void DicomHandler::GetInformation(G4int& tagDi << 212 if(tagDictionary == 0x00280010 ) { // Number of Rows
380 { << 213 GetValue(data, rows);
381 if (tagDictionary == 0x00280010) { // Numbe << 214 std::printf("[0x00280010] Rows -> %i\n",rows);
382 GetValue(data, fRows); << 215
383 std::printf("[0x00280010] Rows -> %i\n", f << 216 } else if(tagDictionary == 0x00280011 ) { // Number of columns
384 } << 217 GetValue(data, columns);
385 else if (tagDictionary == 0x00280011) { // << 218 std::printf("[0x00280011] Columns -> %i\n",columns);
386 GetValue(data, fColumns); << 219
387 std::printf("[0x00280011] Columns -> %i\n" << 220 } else if(tagDictionary == 0x00280102 ) { // High bits ( not used )
388 } << 221 short highBits;
389 else if (tagDictionary == 0x00280102) { // << 222 GetValue(data, highBits);
390 short highBits; << 223 std::printf("[0x00280102] High bits -> %i\n",highBits);
391 GetValue(data, highBits); << 224
392 std::printf("[0x00280102] High bits -> %i\ << 225 } else if(tagDictionary == 0x00280100 ) { // Bits allocated
393 } << 226 GetValue(data, bitAllocated);
394 else if (tagDictionary == 0x00280100) { // << 227 std::printf("[0x00280100] Bits allocated -> %i\n", bitAllocated);
395 GetValue(data, fBitAllocated); << 228
396 std::printf("[0x00280100] Bits allocated - << 229 } else if(tagDictionary == 0x00280101 ) { // Bits stored ( not used )
397 } << 230 short bitStored;
398 else if (tagDictionary == 0x00280101) { // << 231 GetValue(data, bitStored);
399 short bitStored; << 232 std::printf("[0x00280101] Bits stored -> %i\n",bitStored);
400 GetValue(data, bitStored); << 233
401 std::printf("[0x00280101] Bits stored -> % << 234 } else if(tagDictionary == 0x00280106 ) { // Min. pixel value
402 } << 235 GetValue(data, minPixelValue);
403 else if (tagDictionary == 0x00280106) { // << 236 std::printf("[0x00280106] Min. pixel value -> %i\n", minPixelValue);
404 GetValue(data, fMinPixelValue); << 237
405 std::printf("[0x00280106] Min. pixel value << 238 } else if(tagDictionary == 0x00280107 ) { // Max. pixel value
406 } << 239 GetValue(data, maxPixelValue);
407 else if (tagDictionary == 0x00280107) { // << 240 std::printf("[0x00280107] Max. pixel value -> %i\n", maxPixelValue);
408 GetValue(data, fMaxPixelValue); << 241
409 std::printf("[0x00280107] Max. pixel value << 242 } else if(tagDictionary == 0x00281053) { // Rescale slope
410 } << 243 rescaleSlope = atoi(data);
411 else if (tagDictionary == 0x00281053) { // << 244 std::printf("[0x00281053] Rescale Slope -> %d\n", rescaleSlope);
412 fRescaleSlope = atoi(data); << 245
413 std::printf("[0x00281053] Rescale Slope -> << 246 } else if(tagDictionary == 0x00281052 ) { // Rescalse intercept
414 } << 247 rescaleIntercept = atoi(data);
415 else if (tagDictionary == 0x00281052) { // << 248 std::printf("[0x00281052] Rescale Intercept -> %d\n", rescaleIntercept );
416 fRescaleIntercept = atoi(data); << 249
417 std::printf("[0x00281052] Rescale Intercep << 250 } else if(tagDictionary == 0x00280103 ) {
418 } << 251 // Pixel representation ( functions not design to read signed bits )
419 else if (tagDictionary == 0x00280103) { << 252 pixelRepresentation = atoi(data); // 0: unsigned 1: signed
420 // Pixel representation ( functions not d << 253 std::printf("[0x00280103] Pixel Representation -> %i\n", pixelRepresentation);
421 fPixelRepresentation = atoi(data); // 0: << 254 if(pixelRepresentation == 1 ) {
422 std::printf("[0x00280103] Pixel Representa << 255 std::printf("### PIXEL REPRESENTATION = 1, BITS ARE SIGNED, ");
423 if (fPixelRepresentation == 1) { << 256 std::printf("DICOM READING SCAN FOR UNSIGNED VALUE, POSSIBLE ");
424 std::printf("### PIXEL REPRESENTATION = << 257 std::printf("ERROR !!!!!! -> \n");
425 std::printf("DICOM READING SCAN FOR UNSI << 258 }
426 std::printf("ERROR !!!!!! -> \n"); << 259
>> 260 } else if(tagDictionary == 0x00080006 ) { // Modality
>> 261 std::printf("[0x00080006] Modality -> %s\n", data);
>> 262
>> 263 } else if(tagDictionary == 0x00080070 ) { // Manufacturer
>> 264 std::printf("[0x00080070] Manufacturer -> %s\n", data);
>> 265
>> 266 } else if(tagDictionary == 0x00080080 ) { // Institution Name
>> 267 std::printf("[0x00080080] Institution Name -> %s\n", data);
>> 268
>> 269 } else if(tagDictionary == 0x00080081 ) { // Institution Address
>> 270 std::printf("[0x00080081] Institution Address -> %s\n", data);
>> 271
>> 272 } else if(tagDictionary == 0x00081040 ) { // Institution Department Name
>> 273 std::printf("[0x00081040] Institution Department Name -> %s\n", data);
>> 274
>> 275 } else if(tagDictionary == 0x00081090 ) { // Manufacturer's Model Name
>> 276 std::printf("[0x00081090] Manufacturer's Model Name -> %s\n", data);
>> 277
>> 278 } else if(tagDictionary == 0x00181000 ) { // Device Serial Number
>> 279 std::printf("[0x00181000] Device Serial Number -> %s\n", data);
>> 280
>> 281 } else if(tagDictionary == 0x00080008 ) { // Image type ( not used )
>> 282 std::printf("[0x00080008] Image Types -> %s\n", data);
>> 283
>> 284 } else if(tagDictionary == 0x00283000 ) { // Modality LUT Sequence ( not used )
>> 285 std::printf("[0x00283000] Modality LUT Sequence SQ 1 -> %s\n", data);
>> 286
>> 287 } else if(tagDictionary == 0x00283002 ) { // LUT Descriptor ( not used )
>> 288 std::printf("[0x00283002] LUT Descriptor US or SS 3 -> %s\n", data);
>> 289
>> 290 } else if(tagDictionary == 0x00283003 ) { // LUT Explanation ( not used )
>> 291 std::printf("[0x00283003] LUT Explanation LO 1 -> %s\n", data);
>> 292
>> 293 } else if(tagDictionary == 0x00283004 ) { // Modality LUT ( not used )
>> 294 std::printf("[0x00283004] Modality LUT Type LO 1 -> %s\n", data);
>> 295
>> 296 } else if(tagDictionary == 0x00283006 ) { // LUT Data ( not used )
>> 297 std::printf("[0x00283006] LUT Data US or SS -> %s\n", data);
>> 298
>> 299 } else if(tagDictionary == 0x00283010 ) { // VOI LUT ( not used )
>> 300 std::printf("[0x00283010] VOI LUT Sequence SQ 1 -> %s\n", data);
>> 301
>> 302 } else if(tagDictionary == 0x00280120 ) { // Pixel Padding Value ( not used )
>> 303 std::printf("[0x00280120] Pixel Padding Value US or SS 1 -> %s\n", data);
>> 304
>> 305 } else if(tagDictionary == 0x00280030 ) { // Pixel Spacing
>> 306 G4String datas(data);
>> 307 int iss = datas.find('\\');
>> 308 pixelSpacingX = atof( datas.substr(0,iss).c_str() );
>> 309 pixelSpacingY = atof( datas.substr(iss+2,datas.length()).c_str() );
>> 310
>> 311 } else if(tagDictionary == 0x00200037 ) { // Image Orientation ( not used )
>> 312 std::printf("[0x00200037] Image Orientation (Patient) -> %s\n", data);
>> 313
>> 314 } else if(tagDictionary == 0x00200032 ) { // Image Position ( not used )
>> 315 std::printf("[0x00200032] Image Position (Patient,mm) -> %s\n", data);
>> 316
>> 317 } else if(tagDictionary == 0x00180050 ) { // Slice Thickness
>> 318 sliceThickness = atof(data);
>> 319 std::printf("[0x00180050] Slice Thickness (mm) -> %f\n", sliceThickness);
>> 320
>> 321 } else if(tagDictionary == 0x00201041 ) { // Slice Location
>> 322 sliceLocation = atof(data);
>> 323 std::printf("[0x00201041] Slice Location -> %f\n", sliceLocation);
>> 324
>> 325 } else if(tagDictionary == 0x00280004 ) { // Photometric Interpretation ( not used )
>> 326 std::printf("[0x00280004] Photometric Interpretation -> %s\n", data);
>> 327
>> 328 } else if(tagDictionary == 0x00020010) { // Endian
>> 329 if(strcmp(data, "1.2.840.10008.1.2") == 0)
>> 330 implicitEndian = true;
>> 331 else if(strncmp(data, "1.2.840.10008.1.2.2", 19) == 0)
>> 332 littleEndian = false;
>> 333 //else 1.2.840..10008.1.2.1 (explicit little endian)
>> 334
>> 335 std::printf("[0x00020010] Endian -> %s\n", data);
427 } 336 }
428 } <<
429 else if (tagDictionary == 0x00080006) { // <<
430 std::printf("[0x00080006] Modality -> %s\n <<
431 } <<
432 else if (tagDictionary == 0x00080070) { // <<
433 std::printf("[0x00080070] Manufacturer -> <<
434 } <<
435 else if (tagDictionary == 0x00080080) { // <<
436 std::printf("[0x00080080] Institution Name <<
437 } <<
438 else if (tagDictionary == 0x00080081) { // <<
439 std::printf("[0x00080081] Institution Addr <<
440 } <<
441 else if (tagDictionary == 0x00081040) { // <<
442 std::printf("[0x00081040] Institution Depa <<
443 } <<
444 else if (tagDictionary == 0x00081090) { // <<
445 std::printf("[0x00081090] Manufacturer's M <<
446 } <<
447 else if (tagDictionary == 0x00181000) { // <<
448 std::printf("[0x00181000] Device Serial Nu <<
449 } <<
450 else if (tagDictionary == 0x00080008) { // <<
451 std::printf("[0x00080008] Image Types -> % <<
452 } <<
453 else if (tagDictionary == 0x00283000) { // <<
454 std::printf("[0x00283000] Modality LUT Seq <<
455 } <<
456 else if (tagDictionary == 0x00283002) { // <<
457 std::printf("[0x00283002] LUT Descriptor U <<
458 } <<
459 else if (tagDictionary == 0x00283003) { // <<
460 std::printf("[0x00283003] LUT Explanation <<
461 } <<
462 else if (tagDictionary == 0x00283004) { // <<
463 std::printf("[0x00283004] Modality LUT Typ <<
464 } <<
465 else if (tagDictionary == 0x00283006) { // <<
466 std::printf("[0x00283006] LUT Data US or S <<
467 } <<
468 else if (tagDictionary == 0x00283010) { // <<
469 std::printf("[0x00283010] VOI LUT Sequence <<
470 } <<
471 else if (tagDictionary == 0x00280120) { // <<
472 std::printf("[0x00280120] Pixel Padding Va <<
473 } <<
474 else if (tagDictionary == 0x00280030) { // <<
475 G4String datas(data); <<
476 G4int iss = G4int(datas.find('\\')); <<
477 fPixelSpacingX = atof(datas.substr(0, iss) <<
478 fPixelSpacingY = atof(datas.substr(iss + 1 <<
479 } <<
480 else if (tagDictionary == 0x00200037) { // <<
481 std::printf("[0x00200037] Image Orientatio <<
482 } <<
483 else if (tagDictionary == 0x00200032) { // <<
484 std::printf("[0x00200032] Image Position ( <<
485 } <<
486 else if (tagDictionary == 0x00180050) { // <<
487 fSliceThickness = atof(data); <<
488 std::printf("[0x00180050] Slice Thickness <<
489 } <<
490 else if (tagDictionary == 0x00201041) { // <<
491 fSliceLocation = atof(data); <<
492 std::printf("[0x00201041] Slice Location - <<
493 } <<
494 else if (tagDictionary == 0x00280004) { // <<
495 // ( not used ) <<
496 std::printf("[0x00280004] Photometric Inte <<
497 } <<
498 else if (tagDictionary == 0x00020010) { // <<
499 if (strcmp(data, "1.2.840.10008.1.2") == 0 <<
500 fImplicitEndian = true; <<
501 else if (strncmp(data, "1.2.840.10008.1.2. <<
502 fLittleEndian = false; <<
503 // else 1.2.840..10008.1.2.1 (explicit lit <<
504 <<
505 std::printf("[0x00020010] Endian -> %s\n", <<
506 } <<
507 <<
508 // others <<
509 else { <<
510 // std::printf("[0x%x] -> %s\n", tagDictio <<
511 ; <<
512 } <<
513 } <<
514 <<
515 //....oooOO0OOooo........oooOO0OOooo........oo <<
516 <<
517 void DicomHandler::StoreData(DicomPhantomZSlic <<
518 { <<
519 G4int mean; <<
520 G4double density; <<
521 G4bool overflow = false; <<
522 <<
523 if (!dcmPZSH) { <<
524 return; <<
525 } <<
526 337
527 dcmPZSH->SetSliceLocation(fSliceLocation); << 338 // others
528 << 339 else {
529 //----- Print indices of material << 340 std::printf("[0x%x] -> %s\n", tagDictionary, data);
530 if (fCompression == 1) { // no fCompression <<
531 for (G4int ww = 0; ww < fRows; ++ww) { <<
532 dcmPZSH->AddRow(); <<
533 for (G4int xx = 0; xx < fColumns; ++xx) <<
534 mean = fTab[ww][xx]; <<
535 density = Pixel2density(mean); <<
536 dcmPZSH->AddValue(density); <<
537 dcmPZSH->AddMateID(GetMaterialIndex(G4 <<
538 } <<
539 } <<
540 } <<
541 else { <<
542 // density value is the average of a squar <<
543 // fCompression*fCompression pixels <<
544 for (G4int ww = 0; ww < fRows; ww += fComp <<
545 dcmPZSH->AddRow(); <<
546 for (G4int xx = 0; xx < fColumns; xx += <<
547 overflow = false; <<
548 mean = 0; <<
549 for (G4int sumx = 0; sumx < fCompressi <<
550 for (G4int sumy = 0; sumy < fCompres <<
551 if (ww + sumy >= fRows || xx + sum <<
552 mean += fTab[ww + sumy][xx + sumx] <<
553 } <<
554 if (overflow) break; <<
555 } <<
556 mean /= fCompression * fCompression; <<
557 341
558 if (!overflow) { <<
559 density = Pixel2density(mean); <<
560 dcmPZSH->AddValue(density); <<
561 dcmPZSH->AddMateID(GetMaterialIndex( <<
562 } <<
563 } <<
564 } 342 }
565 } <<
566 343
567 dcmPZSH->FlipData(); <<
568 } 344 }
569 345
570 //....oooOO0OOooo........oooOO0OOooo........oo << 346 void DicomHandler::StoreData(std::ofstream& foutG4DCM)
571 // This function is depreciated as it is handl <<
572 // DicomPhantomZSliceHeader::DumpToFile <<
573 void DicomHandler::StoreData(std::ofstream& fo <<
574 { 347 {
575 G4int mean; 348 G4int mean;
576 G4double density; 349 G4double density;
577 G4bool overflow = false; 350 G4bool overflow = false;
>> 351 G4int cpt=1;
578 352
579 //----- Print indices of material << 353 //----- Print indices of material
580 if (fCompression == 1) { // no fCompression << 354 if(compression == 1) { // no compression: each pixel has a density value)
581 for (G4int ww = 0; ww < fRows; ++ww) { << 355 for( G4int ww = 0; ww < rows; ww++) {
582 for (G4int xx = 0; xx < fColumns; ++xx) << 356 for( G4int xx = 0; xx < columns; xx++) {
583 mean = fTab[ww][xx]; << 357 mean = tab[ww][xx];
584 density = Pixel2density(mean); << 358 density = Pixel2density(mean);
585 foutG4DCM << GetMaterialIndex(G4float( << 359 foutG4DCM << GetMaterialIndex( density ) << " ";
586 } 360 }
587 foutG4DCM << G4endl; 361 foutG4DCM << G4endl;
588 } 362 }
589 } << 363
590 else { << 364 } else {
591 // density value is the average of a squar 365 // density value is the average of a square region of
592 // fCompression*fCompression pixels << 366 // compression*compression pixels
593 for (G4int ww = 0; ww < fRows; ww += fComp << 367 for(G4int ww = 0; ww < rows ;ww += compression ) {
594 for (G4int xx = 0; xx < fColumns; xx += << 368 for(G4int xx = 0; xx < columns ;xx +=compression ) {
595 overflow = false; << 369 overflow = false;
596 mean = 0; << 370 mean = 0;
597 for (G4int sumx = 0; sumx < fCompressi << 371 for(int sumx = 0; sumx < compression; sumx++) {
598 for (G4int sumy = 0; sumy < fCompres << 372 for(int sumy = 0; sumy < compression; sumy++) {
599 if (ww + sumy >= fRows || xx + sum << 373 if(ww+sumy >= rows || xx+sumx >= columns) overflow = true;
600 mean += fTab[ww + sumy][xx + sumx] << 374 mean += tab[ww+sumy][xx+sumx];
601 } << 375 }
602 if (overflow) break; << 376 if(overflow) break;
603 } << 377 }
604 mean /= fCompression * fCompression; << 378 mean /= compression*compression;
605 << 379 cpt = 1;
606 if (!overflow) { << 380
607 density = Pixel2density(mean); << 381 if(!overflow) {
608 foutG4DCM << GetMaterialIndex(G4floa << 382 G4double density = Pixel2density(mean);
609 } << 383 foutG4DCM << GetMaterialIndex( density ) << " ";
>> 384 }
610 } 385 }
611 foutG4DCM << G4endl; 386 foutG4DCM << G4endl;
612 } 387 }
>> 388
613 } 389 }
614 390
615 //----- Print densities 391 //----- Print densities
616 if (fCompression == 1) { // no fCompression << 392 if(compression == 1) { // no compression: each pixel has a density value)
617 for (G4int ww = 0; ww < fRows; ww++) { << 393 for( G4int ww = 0; ww < rows; ww++) {
618 for (G4int xx = 0; xx < fColumns; xx++) << 394 for( G4int xx = 0; xx < columns; xx++) {
619 mean = fTab[ww][xx]; << 395 mean = tab[ww][xx];
620 density = Pixel2density(mean); << 396 density = Pixel2density(mean);
621 foutG4DCM << density << " "; << 397 foutG4DCM << density << " ";
622 if (xx % 8 == 3) foutG4DCM << G4endl; << 398 if( xx%8 == 3 ) foutG4DCM << G4endl; // just for nicer reading
623 } 399 }
624 } 400 }
625 } << 401
626 else { << 402 } else {
627 // density value is the average of a squar 403 // density value is the average of a square region of
628 // fCompression*fCompression pixels << 404 // compression*compression pixels
629 for (G4int ww = 0; ww < fRows; ww += fComp << 405 for(G4int ww = 0; ww < rows ;ww += compression ) {
630 for (G4int xx = 0; xx < fColumns; xx += << 406 for(G4int xx = 0; xx < columns ;xx +=compression ) {
631 overflow = false; << 407 overflow = false;
632 mean = 0; << 408 mean = 0;
633 for (G4int sumx = 0; sumx < fCompressi << 409 for(int sumx = 0; sumx < compression; sumx++) {
634 for (G4int sumy = 0; sumy < fCompres << 410 for(int sumy = 0; sumy < compression; sumy++) {
635 if (ww + sumy >= fRows || xx + sum << 411 if(ww+sumy >= rows || xx+sumx >= columns) overflow = true;
636 mean += fTab[ww + sumy][xx + sumx] << 412 mean += tab[ww+sumy][xx+sumx];
637 } << 413 }
638 if (overflow) break; << 414 if(overflow) break;
639 } << 415 }
640 mean /= fCompression * fCompression; << 416 mean /= compression*compression;
641 << 417 cpt = 1;
642 if (!overflow) { << 418
643 density = Pixel2density(mean); << 419 if(!overflow) {
644 foutG4DCM << density << " "; << 420 G4double density = Pixel2density(mean);
645 if (xx / fCompression % 8 == 3) fout << 421 foutG4DCM << density << " ";
646 // reading << 422 if( xx/compression%8 == 3 ) foutG4DCM << G4endl; // just for nicer reading
647 } << 423 }
648 } 424 }
649 } 425 }
>> 426
650 } 427 }
>> 428
651 } 429 }
652 430
653 //....oooOO0OOooo........oooOO0OOooo........oo << 431 void DicomHandler::ReadMaterialIndices( std::ifstream& finData)
654 void DicomHandler::ReadMaterialIndices(std::if <<
655 { 432 {
656 unsigned int nMate; << 433 size_t nMate;
657 G4String mateName; 434 G4String mateName;
658 G4float densityMax; << 435 G4double densityMax;
659 finData >> nMate; 436 finData >> nMate;
660 if (finData.eof()) return; << 437 if( finData.eof() ) return;
661 438
662 G4cout << " ReadMaterialIndices " << nMate < 439 G4cout << " ReadMaterialIndices " << nMate << G4endl;
663 for (unsigned int ii = 0; ii < nMate; ++ii) << 440 for( size_t ii = 0; ii < nMate; ii++ ){
664 finData >> mateName >> densityMax; 441 finData >> mateName >> densityMax;
665 fMaterialIndices[densityMax] = mateName; 442 fMaterialIndices[densityMax] = mateName;
666 // G4cout << ii << " ReadMaterialIndice << 443 G4cout << ii << " ReadMaterialIndices " << mateName << " " << densityMax << G4endl;
667 // << densityMax << G4endl; <<
668 } 444 }
669 } <<
670 <<
671 //....oooOO0OOooo........oooOO0OOooo........oo <<
672 445
673 unsigned int DicomHandler::GetMaterialIndex(G4 <<
674 { <<
675 std::map<G4float, G4String>::const_reverse_i <<
676 std::size_t ii = fMaterialIndices.size(); <<
677 <<
678 for (ite = fMaterialIndices.crbegin(); ite ! <<
679 if (density >= (*ite).first) { <<
680 break; <<
681 } <<
682 } <<
683 <<
684 if (ii == fMaterialIndices.size()) { <<
685 ii = fMaterialIndices.size() - 1; <<
686 } <<
687 <<
688 return unsigned(ii); <<
689 } 446 }
690 447
691 //....oooOO0OOooo........oooOO0OOooo........oo << 448 size_t DicomHandler::GetMaterialIndex( G4double density )
692 <<
693 G4int DicomHandler::ReadData(FILE* dicom, char <<
694 { 449 {
695 G4int returnvalue = 0; << 450 size_t mateID;
696 size_t rflag = 0; << 451 std::map<G4double,G4String>::reverse_iterator ite;
697 << 452 G4int ii = fMaterialIndices.size();
698 // READING THE PIXELS << 453 for( ite = fMaterialIndices.rbegin(); ite != fMaterialIndices.rend(); ite++, ii-- ) {
699 << 454 if( density >= (*ite).first ) {
700 fTab = new G4int*[fRows]; << 455 break;
701 for (G4int i = 0; i < fRows; ++i) { <<
702 fTab[i] = new G4int[fColumns]; <<
703 } <<
704 <<
705 if (fBitAllocated == 8) { // Case 8 bits : <<
706 <<
707 std::printf("@@@ Error! Picture != 16 bits <<
708 std::printf("@@@ Error! Picture != 16 bits <<
709 std::printf("@@@ Error! Picture != 16 bits <<
710 <<
711 unsigned char ch = 0; <<
712 <<
713 for (G4int j = 0; j < fRows; ++j) { <<
714 for (G4int i = 0; i < fColumns; ++i) { <<
715 rflag = std::fread(&ch, 1, 1, dicom); <<
716 fTab[j][i] = ch * fRescaleSlope + fRes <<
717 } <<
718 } <<
719 returnvalue = 1; <<
720 } <<
721 else { // from 12 to 16 bits : <<
722 char sbuff[2]; <<
723 short pixel; <<
724 for (G4int j = 0; j < fRows; ++j) { <<
725 for (G4int i = 0; i < fColumns; ++i) { <<
726 rflag = std::fread(sbuff, 2, 1, dicom) <<
727 GetValue(sbuff, pixel); <<
728 fTab[j][i] = pixel * fRescaleSlope + f <<
729 } <<
730 } <<
731 } <<
732 <<
733 // Creation of .g4 files wich contains avera <<
734 G4String nameProcessed = filename2 + G4Strin <<
735 FILE* fileOut = std::fopen(nameProcessed.c_s <<
736 <<
737 G4cout << "### Writing of " << nameProcessed <<
738 <<
739 unsigned int nMate = fMaterialIndices.size() <<
740 rflag = std::fwrite(&nMate, sizeof(unsigned <<
741 //--- Write materials <<
742 for (auto ite = fMaterialIndices.cbegin(); i <<
743 G4String mateName = (*ite).second; <<
744 for (std::size_t ii = (*ite).second.length <<
745 mateName += " "; <<
746 } // mateName = const_cast<char*>(((*ite) <<
747 <<
748 const char* mateNameC = mateName.c_str(); <<
749 rflag = std::fwrite(mateNameC, sizeof(char <<
750 } <<
751 <<
752 unsigned int fRowsC = fRows / fCompression; <<
753 unsigned int fColumnsC = fColumns / fCompres <<
754 unsigned int planesC = 1; <<
755 G4float pixelLocationXM = -G4float(fPixelSpa <<
756 G4float pixelLocationXP = G4float(fPixelSpac <<
757 G4float pixelLocationYM = -G4float(fPixelSpa <<
758 G4float pixelLocationYP = G4float(fPixelSpac <<
759 G4float fSliceLocationZM = G4float(fSliceLoc <<
760 G4float fSliceLocationZP = G4float(fSliceLoc <<
761 //--- Write number of voxels (assume only on <<
762 rflag = std::fwrite(&fRowsC, sizeof(unsigned <<
763 rflag = std::fwrite(&fColumnsC, sizeof(unsig <<
764 rflag = std::fwrite(&planesC, sizeof(unsigne <<
765 //--- Write minimum and maximum extensions <<
766 rflag = std::fwrite(&pixelLocationXM, sizeof <<
767 rflag = std::fwrite(&pixelLocationXP, sizeof <<
768 rflag = std::fwrite(&pixelLocationYM, sizeof <<
769 rflag = std::fwrite(&pixelLocationYP, sizeof <<
770 rflag = std::fwrite(&fSliceLocationZM, sizeo <<
771 rflag = std::fwrite(&fSliceLocationZP, sizeo <<
772 // rflag = std::fwrite(&fCompression, sizeof <<
773 <<
774 std::printf("%8i %8i\n", fRows, fColumns); <<
775 std::printf("%8f %8f\n", fPixelSpacingX, f <<
776 std::printf("%8f\n", fSliceThickness); <<
777 std::printf("%8f\n", fSliceLocation); <<
778 std::printf("%8i\n", fCompression); <<
779 <<
780 G4int compSize = fCompression; <<
781 G4int mean; <<
782 G4float density; <<
783 G4bool overflow = false; <<
784 <<
785 //----- Write index of material for each pix <<
786 if (compSize == 1) { // no fCompression: ea <<
787 for (G4int ww = 0; ww < fRows; ++ww) { <<
788 for (G4int xx = 0; xx < fColumns; ++xx) <<
789 mean = fTab[ww][xx]; <<
790 density = Pixel2density(mean); <<
791 unsigned int mateID = GetMaterialIndex <<
792 rflag = std::fwrite(&mateID, sizeof(un <<
793 } <<
794 } <<
795 } <<
796 else { <<
797 // density value is the average of a squar <<
798 // fCompression*fCompression pixels <<
799 for (G4int ww = 0; ww < fRows; ww += compS <<
800 for (G4int xx = 0; xx < fColumns; xx += <<
801 overflow = false; <<
802 mean = 0; <<
803 for (G4int sumx = 0; sumx < compSize; <<
804 for (G4int sumy = 0; sumy < compSize <<
805 if (ww + sumy >= fRows || xx + sum <<
806 mean += fTab[ww + sumy][xx + sumx] <<
807 } <<
808 if (overflow) break; <<
809 } <<
810 mean /= compSize * compSize; <<
811 <<
812 if (!overflow) { <<
813 density = Pixel2density(mean); <<
814 unsigned int mateID = GetMaterialInd <<
815 rflag = std::fwrite(&mateID, sizeof( <<
816 } <<
817 } <<
818 } <<
819 } <<
820 <<
821 //----- Write density for each pixel <<
822 if (compSize == 1) { // no fCompression: ea <<
823 for (G4int ww = 0; ww < fRows; ++ww) { <<
824 for (G4int xx = 0; xx < fColumns; ++xx) <<
825 mean = fTab[ww][xx]; <<
826 density = Pixel2density(mean); <<
827 rflag = std::fwrite(&density, sizeof(G <<
828 } <<
829 } <<
830 } <<
831 else { <<
832 // density value is the average of a squar <<
833 // fCompression*fCompression pixels <<
834 for (G4int ww = 0; ww < fRows; ww += compS <<
835 for (G4int xx = 0; xx < fColumns; xx += <<
836 overflow = false; <<
837 mean = 0; <<
838 for (G4int sumx = 0; sumx < compSize; <<
839 for (G4int sumy = 0; sumy < compSize <<
840 if (ww + sumy >= fRows || xx + sum <<
841 mean += fTab[ww + sumy][xx + sumx] <<
842 } <<
843 if (overflow) break; <<
844 } <<
845 mean /= compSize * compSize; <<
846 <<
847 if (!overflow) { <<
848 density = Pixel2density(mean); <<
849 rflag = std::fwrite(&density, sizeof <<
850 } <<
851 } <<
852 } 456 }
853 } 457 }
>> 458 //- G4cout << " GetMaterialIndex " << density << " = " << ii << G4endl;
>> 459 return ii;
854 460
855 rflag = std::fclose(fileOut); <<
856 <<
857 delete[] nameProcessed; <<
858 <<
859 /* for ( G4int i = 0; i < fRows; i ++ ) { <<
860 delete [] fTab[i]; <<
861 } <<
862 delete [] fTab; <<
863 */ <<
864 <<
865 if (rflag) return returnvalue; <<
866 return returnvalue; <<
867 } <<
868 <<
869 //....oooOO0OOooo........oooOO0OOooo........oo <<
870 <<
871 // DICOM HEAD does not use the calibration cur <<
872 <<
873 #ifdef DICOM_USE_HEAD <<
874 void DicomHandler::ReadCalibration() <<
875 { <<
876 fNbrequali = 0; <<
877 fReadCalibration = false; <<
878 G4cout << "No calibration curve for the DICO <<
879 } 461 }
880 #else <<
881 // Separated out of Pixel2density <<
882 // No need to read in same calibration EVERY t <<
883 // Increases the speed of reading file by seve <<
884 462
885 void DicomHandler::ReadCalibration() << 463 //
886 { << 464 G4int DicomHandler::ReadData(FILE *dicom,char * filename2)
887 fNbrequali = 0; <<
888 // CT2Density.dat contains the calibration c <<
889 // number to physical density <<
890 std::ifstream calibration(fCt2DensityFile.c_ <<
891 calibration >> fNbrequali; <<
892 fValueDensity = new G4double[fNbrequali]; <<
893 fValueCT = new G4double[fNbrequali]; <<
894 <<
895 if (!calibration) { <<
896 G4Exception("DicomHandler::ReadFile", "DIC <<
897 "@@@ No value to transform pix <<
898 } <<
899 else { // calibration was successfully open <<
900 for (G4int i = 0; i < fNbrequali; ++i) { <<
901 calibration >> fValueCT[i] >> fValueDens <<
902 } <<
903 } <<
904 calibration.close(); <<
905 fReadCalibration = true; <<
906 } <<
907 #endif <<
908 <<
909 #ifdef DICOM_USE_HEAD <<
910 G4float DicomHandler::Pixel2density(G4int pixe <<
911 { 465 {
912 G4float density = -1; << 466 G4int returnvalue = 0;
913 467
914 // Air << 468 // READING THE PIXELS :
915 if (pixel == -998.) density = 0.001290; << 469 G4int w = 0;
916 // Soft Tissue << 470 G4int len = 0;
917 else if (pixel == 24.) << 471
918 density = 1.00; << 472 tab = new G4int*[rows];
919 // Brain << 473 for ( G4int i = 0; i < rows; i ++ ) {
920 else if (pixel == 52.) << 474 tab[i] = new G4int[columns];
921 density = 1.03; << 475 }
922 // Spinal disc << 476
923 else if (pixel == 92.) << 477 if(bitAllocated == 8) { // Case 8 bits :
924 density = 1.10; << 478
925 // Trabecular bone << 479 std::printf("@@@ Error! Picture != 16 bits...\n");
926 else if (pixel == 197.) << 480 std::printf("@@@ Error! Picture != 16 bits...\n");
927 density = 1.18; << 481 std::printf("@@@ Error! Picture != 16 bits...\n");
928 // Cortical Bone << 482
929 else if (pixel == 923.) << 483 unsigned char ch = 0;
930 density = 1.85; << 484
931 // Tooth dentine << 485 len = rows*columns;
932 else if (pixel == 1280.) << 486 for(G4int j = 0; j < rows; j++) {
933 density = 2.14; << 487 for(G4int i = 0; i < columns; i++) {
934 // Tooth enamel << 488 w++;
935 else if (pixel == 2310.) << 489 std::fread( &ch, 1, 1, dicom);
936 density = 2.89; << 490 tab[j][i] = ch*rescaleSlope + rescaleIntercept;
>> 491 }
>> 492 }
>> 493 returnvalue = 1;
>> 494
>> 495 } else { // from 12 to 16 bits :
>> 496 char sbuff[2];
>> 497 short pixel;
>> 498 len = rows*columns;
>> 499 for( G4int j = 0; j < rows; j++) {
>> 500 for( G4int i = 0; i < columns; i++) {
>> 501 w++;
>> 502 std::fread(sbuff, 2, 1, dicom);
>> 503 GetValue(sbuff, pixel);
>> 504 tab[j][i] = pixel*rescaleSlope + rescaleIntercept;
>> 505 }
>> 506 }
>> 507 }
>> 508
>> 509 // Creation of .g4 files wich contains averaged density data
>> 510
>> 511 char * nameProcessed = new char[FILENAMESIZE];
>> 512 FILE* processed;
>> 513
>> 514 std::sprintf(nameProcessed,"%s.g4",filename2);
>> 515 processed = std::fopen(nameProcessed,"w+b");
>> 516 std::printf("### Writing of %s ###\n",nameProcessed);
>> 517
>> 518 std::fwrite(&rows, 2, 1, processed);
>> 519 std::fwrite(&columns, 2, 1, processed);
>> 520 std::fwrite(&pixelSpacingX, 8, 1, processed);
>> 521 std::fwrite(&pixelSpacingY, 8, 1, processed);
>> 522 std::fwrite(&sliceThickness, 8, 1, processed);
>> 523 std::fwrite(&sliceLocation, 8, 1, processed);
>> 524 std::fwrite(&compression, 2, 1, processed);
>> 525
>> 526 std::printf("%8i %8i\n",rows,columns);
>> 527 std::printf("%8f %8f\n",pixelSpacingX,pixelSpacingY);
>> 528 std::printf("%8f\n", sliceThickness);
>> 529 std::printf("%8f\n", sliceLocation);
>> 530 std::printf("%8i\n", compression);
>> 531
>> 532 G4int compSize = compression;
>> 533 G4int mean;
>> 534 G4double density;
>> 535 G4bool overflow = false;
>> 536 G4int cpt=1;
>> 537
>> 538 if(compSize == 1) { // no compression: each pixel has a density value)
>> 539 for( G4int ww = 0; ww < rows; ww++) {
>> 540 for( G4int xx = 0; xx < columns; xx++) {
>> 541 mean = tab[ww][xx];
>> 542 density = Pixel2density(mean);
>> 543 std::fwrite(&density, sizeof(G4double), 1, processed);
>> 544 }
>> 545 }
>> 546
>> 547 } else {
>> 548 // density value is the average of a square region of
>> 549 // compression*compression pixels
>> 550 for(G4int ww = 0; ww < rows ;ww += compSize ) {
>> 551 for(G4int xx = 0; xx < columns ;xx +=compSize ) {
>> 552 overflow = false;
>> 553 mean = 0;
>> 554 for(int sumx = 0; sumx < compSize; sumx++) {
>> 555 for(int sumy = 0; sumy < compSize; sumy++) {
>> 556 if(ww+sumy >= rows || xx+sumx >= columns) overflow = true;
>> 557 mean += tab[ww+sumy][xx+sumx];
>> 558 }
>> 559 if(overflow) break;
>> 560 }
>> 561 mean /= compSize*compSize;
>> 562 cpt = 1;
>> 563
>> 564 if(!overflow) {
>> 565 G4double density = Pixel2density(mean);
>> 566 std::fwrite(&density, sizeof(G4double), 1, processed);
>> 567 }
>> 568 }
>> 569
>> 570 }
>> 571 }
>> 572 std::fclose(processed);
>> 573
>> 574 delete [] nameProcessed;
>> 575
>> 576 /* for ( G4int i = 0; i < rows; i ++ ) {
>> 577 delete [] tab[i];
>> 578 }
>> 579 delete [] tab;
>> 580 */
>> 581
>> 582 return returnvalue;
>> 583 }
>> 584
>> 585 /*
>> 586 G4int DicomHandler::displayImage(char command[300])
>> 587 {
>> 588 // Display DICOM images using ImageMagick
>> 589 char commandName[500];
>> 590 std::sprintf(commandName,"display %s",command);
>> 591 std::printf(commandName);
>> 592 G4int i = system(commandName);
>> 593 return (G4int )i;
>> 594 }
>> 595 */
>> 596
>> 597 G4double DicomHandler::Pixel2density(G4int pixel)
>> 598 {
>> 599 G4double density = -1.;
>> 600 G4int nbrequali = 0;
>> 601 G4double deltaCT = 0;
>> 602 G4double deltaDensity = 0;
>> 603
>> 604 // CT2Density.dat contains the calibration curve to convert CT (Hounsfield)
>> 605 // number to physical density
>> 606 std::ifstream calibration("CT2Density.dat");
>> 607 calibration >> nbrequali;
>> 608
>> 609 G4double * valuedensity = new G4double[nbrequali];
>> 610 G4double * valueCT = new G4double[nbrequali];
>> 611
>> 612 if(!calibration) {
>> 613 G4cerr << "@@@ No value to transform pixels in density!" << G4endl;
>> 614 exit(1);
>> 615
>> 616 } else { // calibration was successfully opened
>> 617 for(G4int i = 0; i < nbrequali; i++) { // Loop to store all the pts in CT2Density.dat
>> 618 calibration >> valueCT[i] >> valuedensity[i];
>> 619 }
>> 620 }
>> 621 calibration.close();
>> 622
>> 623 for(G4int j = 1; j < nbrequali; j++) {
>> 624 if( pixel >= valueCT[j-1] && pixel < valueCT[j]) {
>> 625
>> 626 deltaCT = valueCT[j] - valueCT[j-1];
>> 627 deltaDensity = valuedensity[j] - valuedensity[j-1];
>> 628
>> 629 // interpolating linearly
>> 630 density = valuedensity[j] - ((valueCT[j] - pixel)*deltaDensity/deltaCT );
>> 631 break;
>> 632 }
>> 633 }
>> 634
>> 635 if(density < 0.) {
>> 636 std::printf("@@@ Error density = %f && Pixel = %i (0x%x) && deltaDensity/deltaCT = %f\n",density,pixel,pixel, deltaDensity/deltaCT);
>> 637 }
>> 638
>> 639 delete [] valuedensity;
>> 640 delete [] valueCT;
937 641
938 return density; << 642 return density;
939 } 643 }
940 644
941 #else <<
942 //....oooOO0OOooo........oooOO0OOooo........oo <<
943 <<
944 G4float DicomHandler::Pixel2density(G4int pixe <<
945 { <<
946 if (!fReadCalibration) { <<
947 ReadCalibration(); <<
948 } <<
949 <<
950 G4float density = -1.; <<
951 G4double deltaCT = 0; <<
952 G4double deltaDensity = 0; <<
953 <<
954 for (G4int j = 1; j < fNbrequali; ++j) { <<
955 if (pixel >= fValueCT[j - 1] && pixel < fV <<
956 deltaCT = fValueCT[j] - fValueCT[j - 1]; <<
957 deltaDensity = fValueDensity[j] - fValue <<
958 <<
959 // interpolating linearly <<
960 density = G4float(fValueDensity[j] - ((f <<
961 break; <<
962 } <<
963 } <<
964 <<
965 if (density < 0.) { <<
966 std::printf( <<
967 "@@@ Error density = %f && Pixel = %i \ <<
968 (0x%x) && deltaDensity/deltaCT = %f\n", <<
969 density, pixel, pixel, deltaDensity / de <<
970 } <<
971 <<
972 return density; <<
973 } <<
974 #endif <<
975 //....oooOO0OOooo........oooOO0OOooo........oo <<
976 645
977 void DicomHandler::CheckFileFormat() 646 void DicomHandler::CheckFileFormat()
978 { 647 {
979 std::ifstream checkData(fDriverFile.c_str()) << 648 std::ifstream checkData("Data.dat");
980 char* oneLine = new char[128]; << 649 char * oneLine = new char[128];
981 650
982 if (!(checkData.is_open())) { // Check exis << 651 if(!(checkData.is_open())) { //Check existance of Data.dat
983 <<
984 G4String message = "\nDicomG4 needs Data.d <<
985 message += " in command line):\n"; <<
986 message += "\tFirst line: number of image <<
987 message += "\tSecond line: number of image <<
988 message += "\tEach following line contains <<
989 message += " except for the .dcm extension <<
990 G4Exception("DicomHandler::ReadFile", "DIC <<
991 } <<
992 652
993 checkData >> fCompression; << 653 G4cout << "\nDicomG4 needs Data.dat :\n\tFirst line: number of image pixel for a "
994 checkData >> fNFiles; << 654 << "voxel (G4Box)\n\tSecond line: number of images (CT slices) to "
995 G4String oneName; << 655 << "read\n\tEach following line contains the name of a Dicom image except "
996 checkData.getline(oneLine, 100); << 656 << "for the .dcm extension\n";
997 std::ifstream testExistence; << 657 exit(0);
998 G4bool existAlready = true; << 658 }
999 for (G4int rep = 0; rep < fNFiles; ++rep) { << 659
1000 checkData.getline(oneLine, 100); << 660 checkData >> compression;
1001 oneName = oneLine; << 661 checkData >> nFiles;
1002 oneName += ".g4dcm"; // create dicomFile << 662 G4String oneName;
1003 G4cout << fNFiles << " test file " << one << 663 checkData.getline(oneLine,100);
1004 testExistence.open(oneName.data()); << 664 std::ifstream testExistence;
1005 if (!(testExistence.is_open())) { << 665 G4bool existAlready = true;
1006 existAlready = false; << 666 for(G4int rep = 0; rep < nFiles; rep++) {
>> 667 checkData.getline(oneLine,100);
>> 668 oneName = oneLine;
>> 669 oneName += ".g4dcm"; // create dicomFile.g4dcm
>> 670 G4cout << nFiles << " test file " << oneName << G4endl;
>> 671 testExistence.open(oneName.data());
>> 672 if(!(testExistence.is_open())) {
>> 673 existAlready = false;
>> 674 testExistence.clear();
>> 675 testExistence.close();
>> 676 }
1007 testExistence.clear(); 677 testExistence.clear();
1008 testExistence.close(); 678 testExistence.close();
1009 } 679 }
1010 testExistence.clear(); <<
1011 testExistence.close(); <<
1012 } <<
1013 <<
1014 ReadMaterialIndices(checkData); <<
1015 <<
1016 checkData.close(); <<
1017 delete[] oneLine; <<
1018 <<
1019 if (existAlready == false) { // The files <<
1020 <<
1021 G4cout << "\nAll the necessary images wer <<
1022 << ", starting with .dcm images\n" <<
1023 <<
1024 FILE* dicom; <<
1025 FILE* lecturePref; <<
1026 char* fCompressionc = new char[LINEBUFFSI <<
1027 char* maxc = new char[LINEBUFFSIZE]; <<
1028 // char name[300], inputFile[300]; <<
1029 char* inputFile = new char[FILENAMESIZE]; <<
1030 G4int rflag; <<
1031 lecturePref = std::fopen(fDriverFile.c_st <<
1032 <<
1033 rflag = std::fscanf(lecturePref, "%s", fC <<
1034 fCompression = atoi(fCompressionc); <<
1035 rflag = std::fscanf(lecturePref, "%s", ma <<
1036 fNFiles = atoi(maxc); <<
1037 G4cout << " fNFiles " << fNFiles << G4end <<
1038 <<
1039 ///////////////////// <<
1040 <<
1041 #ifdef DICOM_USE_HEAD <<
1042 for (G4int i = 1; i <= fNFiles; ++i) { / <<
1043 rflag = std::fscanf(lecturePref, "%s", <<
1044 G4String path = GetDicomDataPath() + "/ <<
1045 <<
1046 G4String name = inputFile + G4String(". <<
1047 // Writes the results to a character st <<
1048 <<
1049 G4String name2 = path + name; <<
1050 // Open input file and give it to gest <<
1051 G4cout << "### Opening " << name2 << " <<
1052 dicom = std::fopen(name2.c_str(), "rb") <<
1053 // Reading the .dcm in two steps: <<
1054 // 1. reading the header <<
1055 // 2. reading the pixel data and s <<
1056 if (dicom != 0) { <<
1057 ReadFile(dicom, inputFile); <<
1058 } <<
1059 else { <<
1060 G4cout << "\nError opening file : " < <<
1061 } <<
1062 rflag = std::fclose(dicom); <<
1063 } <<
1064 #else <<
1065 <<
1066 for (G4int i = 1; i <= fNFiles; ++i) { / <<
1067 rflag = std::fscanf(lecturePref, "%s", <<
1068 <<
1069 G4String name = inputFile + G4String(". <<
1070 // Writes the results to a character st <<
1071 <<
1072 // G4cout << "check: " << name << G4end <<
1073 // Open input file and give it to gest <<
1074 G4cout << "### Opening " << name << " a <<
1075 dicom = std::fopen(name.c_str(), "rb"); <<
1076 // Reading the .dcm in two steps: <<
1077 // 1. reading the header <<
1078 // 2. reading the pixel data and s <<
1079 if (dicom != 0) { <<
1080 ReadFile(dicom, inputFile); <<
1081 } <<
1082 else { <<
1083 G4cout << "\nError opening file : " < <<
1084 } <<
1085 rflag = std::fclose(dicom); <<
1086 } <<
1087 #endif <<
1088 <<
1089 rflag = std::fclose(lecturePref); <<
1090 <<
1091 // Checks the spacing is correct. Dumps t <<
1092 fMergedSlices->CheckSlices(); <<
1093 <<
1094 delete[] fCompressionc; <<
1095 delete[] maxc; <<
1096 delete[] inputFile; <<
1097 if (rflag) return; <<
1098 } <<
1099 <<
1100 if (fValueDensity) { <<
1101 delete[] fValueDensity; <<
1102 } <<
1103 if (fValueCT) { <<
1104 delete[] fValueCT; <<
1105 } <<
1106 if (fMergedSlices) { <<
1107 delete fMergedSlices; <<
1108 } <<
1109 } <<
1110 <<
1111 //....oooOO0OOooo........oooOO0OOooo........o <<
1112 <<
1113 G4int DicomHandler::read_defined_nested(FILE* <<
1114 { <<
1115 // VARIABLES <<
1116 unsigned short item_GroupNumber; <<
1117 unsigned short item_ElementNumber; <<
1118 G4int item_Length; <<
1119 G4int items_array_length = 0; <<
1120 char* buffer = new char[LINEBUFFSIZE]; <<
1121 size_t rflag = 0; <<
1122 <<
1123 while (items_array_length < SQ_Length) { <<
1124 rflag = std::fread(buffer, 2, 1, nested); <<
1125 GetValue(buffer, item_GroupNumber); <<
1126 <<
1127 rflag = std::fread(buffer, 2, 1, nested); <<
1128 GetValue(buffer, item_ElementNumber); <<
1129 <<
1130 rflag = std::fread(buffer, 4, 1, nested); <<
1131 GetValue(buffer, item_Length); <<
1132 680
1133 rflag = std::fread(buffer, item_Length, 1 << 681 ReadMaterialIndices( checkData );
1134 682
1135 items_array_length = items_array_length + << 683 checkData.close();
1136 } << 684 delete [] oneLine;
1137 <<
1138 delete[] buffer; <<
1139 685
1140 if (SQ_Length > items_array_length) << 686 if( existAlready == false ) { // The files *.g4dcm have to be created
1141 return 0; <<
1142 else <<
1143 return 1; <<
1144 if (rflag) return 1; <<
1145 } <<
1146 687
1147 //....oooOO0OOooo........oooOO0OOooo........o << 688 G4cout << "\nAll the necessary images were not found in processed form, starting "
1148 << 689 << "with .dcm images\n";
1149 void DicomHandler::read_undefined_nested(FILE << 690
1150 { << 691 FILE * dicom;
1151 // VARIABLES << 692 FILE * lecturePref;
1152 unsigned short item_GroupNumber; << 693 char * compressionc = new char[LINEBUFFSIZE];
1153 unsigned short item_ElementNumber; << 694 char * maxc = new char[LINEBUFFSIZE];
1154 unsigned int item_Length; << 695 //char name[300], inputFile[300];
1155 char* buffer = new char[LINEBUFFSIZE]; << 696 char * name = new char[FILENAMESIZE];
1156 size_t rflag = 0; << 697 char * inputFile = new char[FILENAMESIZE];
1157 << 698
1158 do { << 699 lecturePref = std::fopen("Data.dat","r");
1159 rflag = std::fread(buffer, 2, 1, nested); << 700 std::fscanf(lecturePref,"%s",compressionc);
1160 GetValue(buffer, item_GroupNumber); << 701 compression = atoi(compressionc);
1161 << 702 std::fscanf(lecturePref,"%s",maxc);
1162 rflag = std::fread(buffer, 2, 1, nested); << 703 nFiles = atoi(maxc);
1163 GetValue(buffer, item_ElementNumber); << 704 G4cout << " nFiles " << nFiles << G4endl;
1164 << 705
1165 rflag = std::fread(buffer, 4, 1, nested); << 706 for( G4int i = 1; i <= nFiles; i++ ) { // Begin loop on filenames
1166 GetValue(buffer, item_Length); << 707
1167 << 708 std::fscanf(lecturePref,"%s",inputFile);
1168 if (item_Length != 0xffffffff) << 709 std::sprintf(name,"%s.dcm",inputFile);
1169 rflag = std::fread(buffer, item_Length, << 710 std::cout << "check 1: " << name << std::endl;
1170 else << 711 // Open input file and give it to gestion_dicom :
1171 read_undefined_item(nested); << 712 std::printf("### Opening %s and reading :\n",name);
>> 713 dicom = std::fopen(name,"rb");
>> 714 // Reading the .dcm in two steps:
>> 715 // 1. reading the header
>> 716 // 2. reading the pixel data and store the density in Moyenne.dat
>> 717 if( dicom != 0 ) {
>> 718 ReadFile(dicom,inputFile);
>> 719 } else {
>> 720 G4cout << "\nError opening file : " << name << G4endl;
>> 721 }
>> 722 std::fclose(dicom);
>> 723 }
>> 724 std::fclose(lecturePref);
>> 725
>> 726 delete [] compressionc;
>> 727 delete [] maxc;
>> 728 delete [] name;
>> 729 delete [] inputFile;
1172 730
1173 } while (item_GroupNumber != 0xFFFE || item << 731 }
1174 732
1175 delete[] buffer; <<
1176 if (rflag) return; <<
1177 } 733 }
1178 734
1179 //....oooOO0OOooo........oooOO0OOooo........o <<
1180 <<
1181 void DicomHandler::read_undefined_item(FILE* <<
1182 { <<
1183 // VARIABLES <<
1184 unsigned short item_GroupNumber; <<
1185 unsigned short item_ElementNumber; <<
1186 G4int item_Length; <<
1187 size_t rflag = 0; <<
1188 char* buffer = new char[LINEBUFFSIZE]; <<
1189 <<
1190 do { <<
1191 rflag = std::fread(buffer, 2, 1, nested); <<
1192 GetValue(buffer, item_GroupNumber); <<
1193 <<
1194 rflag = std::fread(buffer, 2, 1, nested); <<
1195 GetValue(buffer, item_ElementNumber); <<
1196 735
1197 rflag = std::fread(buffer, 4, 1, nested); << 736 template <class Type>
1198 GetValue(buffer, item_Length); << 737 void DicomHandler::GetValue(char * _val, Type & _rval) {
1199 738
1200 if (item_Length != 0) rflag = std::fread( <<
1201 <<
1202 } while (item_GroupNumber != 0xFFFE || item <<
1203 <<
1204 delete[] buffer; <<
1205 if (rflag) return; <<
1206 } <<
1207 <<
1208 //....oooOO0OOooo........oooOO0OOooo........o <<
1209 <<
1210 template<class Type> <<
1211 void DicomHandler::GetValue(char* _val, Type& <<
1212 { <<
1213 #if BYTE_ORDER == BIG_ENDIAN 739 #if BYTE_ORDER == BIG_ENDIAN
1214 if (fLittleEndian) { // little endian << 740 if(littleEndian) { // little endian
1215 #else // BYTE_ORDER == LITTLE_ENDIAN << 741 #else // BYTE_ORDER == LITTLE_ENDIAN
1216 if (!fLittleEndian) { // big endian << 742 if(!littleEndian) { // big endian
1217 #endif 743 #endif
1218 const G4int SIZE = sizeof(_rval); << 744 const int SIZE = sizeof(_rval);
1219 char ctemp; << 745 char ctemp;
1220 for (G4int i = 0; i < SIZE / 2; ++i) { << 746 for(int i = 0; i < SIZE/2; i++) {
1221 ctemp = _val[i]; << 747 ctemp = _val[i];
1222 _val[i] = _val[SIZE - 1 - i]; << 748 _val[i] = _val[SIZE - 1 - i];
1223 _val[SIZE - 1 - i] = ctemp; << 749 _val[SIZE - 1 - i] = ctemp;
>> 750 }
1224 } 751 }
1225 } << 752 _rval = *(Type *)_val;
1226 _rval = *(Type*)_val; <<
1227 } 753 }
1228 <<
1229 //....oooOO0OOooo........oooOO0OOooo........o <<
1230 754