| Geant4 Cross Reference |
1 // 1 //
2 // ******************************************* 2 // ********************************************************************
3 // * License and Disclaimer 3 // * License and Disclaimer *
4 // * 4 // * *
5 // * The Geant4 software is copyright of th 5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided 6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License 7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/ 8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. 9 // * include a list of copyright holders. *
10 // * 10 // * *
11 // * Neither the authors of this software syst 11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing fin 12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warran 13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assum 14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file 15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. *
17 // * 17 // * *
18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. *
24 // ******************************************* 24 // ********************************************************************
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-Aé Laval, Québec (QC) Canada$)B
>> 39 //*******************************************************
>> 40 //
43 //******************************************** 41 //*******************************************************
44 // 42 //
45 //******************************************** 43 //*******************************************************
46 // 44 //
47 /// DicomHandler.cc : << 45 // DicomHandler.cc :
48 /// - Handling of DICM images << 46 // - Handling of DICM images
49 /// - Reading headers and pixels << 47 // - Reading headers and pixels
50 /// - Transforming pixel to density and << 48 // - Transforming pixel to density and creating *.g4
51 /// files << 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 <<
70 //....oooOO0OOooo........oooOO0OOooo........oo <<
71 <<
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 60
124 //....oooOO0OOooo........oooOO0OOooo........oo <<
125 61
126 #ifdef DICOM_USE_HEAD <<
127 DicomHandler::DicomHandler() 62 DicomHandler::DicomHandler()
128 : DATABUFFSIZE(8192), << 63 : DATABUFFSIZE(8192), LINEBUFFSIZE(128), FILENAMESIZE(512),
129 LINEBUFFSIZE(5020), << 64 compression(0), max(0), rows(0), columns(0),
130 FILENAMESIZE(512), << 65 bitAllocated(0), maxPixelValue(0), minPixelValue(0),
131 fCompression(0), << 66 pixelSpacingX(0.), pixelSpacingY(0.),
132 fNFiles(0), << 67 sliceThickness(0.), sliceLocation(0.),
133 fRows(0), << 68 rescaleIntercept(0), rescaleSlope(0),
134 fColumns(0), << 69 littleEndian(true), implicitEndian(false),
135 fBitAllocated(0), << 70 pixelRepresentation(0) {
136 fMaxPixelValue(0), << 71 ;
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() <<
160 : DATABUFFSIZE(8192), <<
161 LINEBUFFSIZE(5020), <<
162 FILENAMESIZE(512), <<
163 fCompression(0), <<
164 fNFiles(0), <<
165 fRows(0), <<
166 fColumns(0), <<
167 fBitAllocated(0), <<
168 fMaxPixelValue(0), <<
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 } <<
189 #endif <<
190 //....oooOO0OOooo........oooOO0OOooo........oo <<
191 <<
192 DicomHandler::~DicomHandler() {} <<
193 <<
194 //....oooOO0OOooo........oooOO0OOooo........oo <<
195 <<
196 G4int DicomHandler::ReadFile(FILE* dicom, char <<
197 { <<
198 G4cout << " ReadFile " << filename2 << G4end <<
199 <<
200 G4int returnvalue = 0; <<
201 size_t rflag = 0; <<
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 <<
348 zslice->SetMinY(-fPixelSpacingY * fRows / 2. <<
349 zslice->SetMaxY(fPixelSpacingY * fRows / 2.) <<
350 <<
351 zslice->SetMinZ(fSliceLocation - fSliceThick <<
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 } 72 }
376 73
377 //....oooOO0OOooo........oooOO0OOooo........oo << 74 DicomHandler::~DicomHandler() {
378 <<
379 void DicomHandler::GetInformation(G4int& tagDi <<
380 { <<
381 if (tagDictionary == 0x00280010) { // Numbe <<
382 GetValue(data, fRows); <<
383 std::printf("[0x00280010] Rows -> %i\n", f <<
384 } <<
385 else if (tagDictionary == 0x00280011) { // <<
386 GetValue(data, fColumns); <<
387 std::printf("[0x00280011] Columns -> %i\n" <<
388 } <<
389 else if (tagDictionary == 0x00280102) { // <<
390 short highBits; <<
391 GetValue(data, highBits); <<
392 std::printf("[0x00280102] High bits -> %i\ <<
393 } <<
394 else if (tagDictionary == 0x00280100) { // <<
395 GetValue(data, fBitAllocated); <<
396 std::printf("[0x00280100] Bits allocated - <<
397 } <<
398 else if (tagDictionary == 0x00280101) { // <<
399 short bitStored; <<
400 GetValue(data, bitStored); <<
401 std::printf("[0x00280101] Bits stored -> % <<
402 } <<
403 else if (tagDictionary == 0x00280106) { // <<
404 GetValue(data, fMinPixelValue); <<
405 std::printf("[0x00280106] Min. pixel value <<
406 } <<
407 else if (tagDictionary == 0x00280107) { // <<
408 GetValue(data, fMaxPixelValue); <<
409 std::printf("[0x00280107] Max. pixel value <<
410 } <<
411 else if (tagDictionary == 0x00281053) { // <<
412 fRescaleSlope = atoi(data); <<
413 std::printf("[0x00281053] Rescale Slope -> <<
414 } <<
415 else if (tagDictionary == 0x00281052) { // <<
416 fRescaleIntercept = atoi(data); <<
417 std::printf("[0x00281052] Rescale Intercep <<
418 } <<
419 else if (tagDictionary == 0x00280103) { <<
420 // Pixel representation ( functions not d <<
421 fPixelRepresentation = atoi(data); // 0: <<
422 std::printf("[0x00280103] Pixel Representa <<
423 if (fPixelRepresentation == 1) { <<
424 std::printf("### PIXEL REPRESENTATION = <<
425 std::printf("DICOM READING SCAN FOR UNSI <<
426 std::printf("ERROR !!!!!! -> \n"); <<
427 } <<
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 ; 75 ;
512 } <<
513 } 76 }
514 77
515 //....oooOO0OOooo........oooOO0OOooo........oo << 78 G4int DicomHandler::readHeader(FILE *dicom, char * filename2)
516 <<
517 void DicomHandler::StoreData(DicomPhantomZSlic <<
518 { 79 {
519 G4int mean; << 80 G4int returnvalue = 0;
520 G4double density; << 81 char * buffer = new char[LINEBUFFSIZE];
521 G4bool overflow = false; <<
522 <<
523 if (!dcmPZSH) { <<
524 return; <<
525 } <<
526 82
527 dcmPZSH->SetSliceLocation(fSliceLocation); << 83 implicitEndian = false;
>> 84 littleEndian = true;
528 85
529 //----- Print indices of material << 86 std::fread( buffer, 1, 128, dicom ); // The first 128 bytes
530 if (fCompression == 1) { // no fCompression << 87 //are not important
531 for (G4int ww = 0; ww < fRows; ++ww) { << 88 // Reads the "DICOM" letters
532 dcmPZSH->AddRow(); << 89 std::fread( buffer, 1, 4, dicom );
533 for (G4int xx = 0; xx < fColumns; ++xx) << 90 // if there is no preamble, the FILE pointer is rewinded.
534 mean = fTab[ww][xx]; << 91 if(std::strncmp("DICM", buffer, 4) != 0) {
535 density = Pixel2density(mean); << 92 std::fseek(dicom, 0, SEEK_SET);
536 dcmPZSH->AddValue(density); << 93 implicitEndian = true;
537 dcmPZSH->AddMateID(GetMaterialIndex(G4 <<
538 } <<
539 } 94 }
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 95
558 if (!overflow) { << 96 short readGroupId; // identify the kind of input data
559 density = Pixel2density(mean); << 97 short readElementId; // identify a particular type information
560 dcmPZSH->AddValue(density); << 98 short elementLength2; // deal with element length in 2 bytes
561 dcmPZSH->AddMateID(GetMaterialIndex( << 99 G4int elementLength4; // deal with element length in 4 bytes
562 } <<
563 } <<
564 } <<
565 } <<
566 100
567 dcmPZSH->FlipData(); << 101 char * data = new char[DATABUFFSIZE];
568 } <<
569 102
570 //....oooOO0OOooo........oooOO0OOooo........oo << 103 // Read information up to the pixel data
571 // This function is depreciated as it is handl << 104 while(true) {
572 // DicomPhantomZSliceHeader::DumpToFile <<
573 void DicomHandler::StoreData(std::ofstream& fo <<
574 { <<
575 G4int mean; <<
576 G4double density; <<
577 G4bool overflow = false; <<
578 <<
579 //----- Print indices of material <<
580 if (fCompression == 1) { // no fCompression <<
581 for (G4int ww = 0; ww < fRows; ++ww) { <<
582 for (G4int xx = 0; xx < fColumns; ++xx) <<
583 mean = fTab[ww][xx]; <<
584 density = Pixel2density(mean); <<
585 foutG4DCM << GetMaterialIndex(G4float( <<
586 } <<
587 foutG4DCM << G4endl; <<
588 } <<
589 } <<
590 else { <<
591 // density value is the average of a squar <<
592 // fCompression*fCompression pixels <<
593 for (G4int ww = 0; ww < fRows; ww += fComp <<
594 for (G4int xx = 0; xx < fColumns; xx += <<
595 overflow = false; <<
596 mean = 0; <<
597 for (G4int sumx = 0; sumx < fCompressi <<
598 for (G4int sumy = 0; sumy < fCompres <<
599 if (ww + sumy >= fRows || xx + sum <<
600 mean += fTab[ww + sumy][xx + sumx] <<
601 } <<
602 if (overflow) break; <<
603 } <<
604 mean /= fCompression * fCompression; <<
605 105
606 if (!overflow) { << 106 //Reading groups and elements :
607 density = Pixel2density(mean); << 107 readGroupId = 0;
608 foutG4DCM << GetMaterialIndex(G4floa << 108 readElementId = 0;
609 } << 109 // group ID
610 } << 110 std::fread(buffer, 2, 1, dicom);
611 foutG4DCM << G4endl; << 111 getValue(buffer, readGroupId);
612 } << 112 // element ID
613 } << 113 std::fread(buffer, 2, 1, dicom);
>> 114 getValue(buffer, readElementId);
614 115
615 //----- Print densities << 116 // Creating a tag to be identified afterward
616 if (fCompression == 1) { // no fCompression << 117 G4int tagDictionary = readGroupId*0x10000 + readElementId;
617 for (G4int ww = 0; ww < fRows; ww++) { <<
618 for (G4int xx = 0; xx < fColumns; xx++) <<
619 mean = fTab[ww][xx]; <<
620 density = Pixel2density(mean); <<
621 foutG4DCM << density << " "; <<
622 if (xx % 8 == 3) foutG4DCM << G4endl; <<
623 } <<
624 } <<
625 } <<
626 else { <<
627 // density value is the average of a squar <<
628 // fCompression*fCompression pixels <<
629 for (G4int ww = 0; ww < fRows; ww += fComp <<
630 for (G4int xx = 0; xx < fColumns; xx += <<
631 overflow = false; <<
632 mean = 0; <<
633 for (G4int sumx = 0; sumx < fCompressi <<
634 for (G4int sumy = 0; sumy < fCompres <<
635 if (ww + sumy >= fRows || xx + sum <<
636 mean += fTab[ww + sumy][xx + sumx] <<
637 } <<
638 if (overflow) break; <<
639 } <<
640 mean /= fCompression * fCompression; <<
641 118
642 if (!overflow) { <<
643 density = Pixel2density(mean); <<
644 foutG4DCM << density << " "; <<
645 if (xx / fCompression % 8 == 3) fout <<
646 // reading <<
647 } <<
648 } <<
649 } <<
650 } <<
651 } <<
652 119
653 //....oooOO0OOooo........oooOO0OOooo........oo << 120 // VR or element length
654 void DicomHandler::ReadMaterialIndices(std::if << 121 std::fread(buffer,2,1,dicom);
655 { << 122 getValue(buffer, elementLength2);
656 unsigned int nMate; <<
657 G4String mateName; <<
658 G4float densityMax; <<
659 finData >> nMate; <<
660 if (finData.eof()) return; <<
661 <<
662 G4cout << " ReadMaterialIndices " << nMate < <<
663 for (unsigned int ii = 0; ii < nMate; ++ii) <<
664 finData >> mateName >> densityMax; <<
665 fMaterialIndices[densityMax] = mateName; <<
666 // G4cout << ii << " ReadMaterialIndice <<
667 // << densityMax << G4endl; <<
668 } <<
669 } <<
670 123
671 //....oooOO0OOooo........oooOO0OOooo........oo << 124 // If value representation (VR) is OB, OW, SQ, UN,
>> 125 //the next length is 32 bits
>> 126 if((elementLength2 == 0x424f || // "OB"
>> 127 elementLength2 == 0x574f || // "OW"
>> 128 elementLength2 == 0x5153 || // "SQ"
>> 129 elementLength2 == 0x4e55) && // "UN"
>> 130 !implicitEndian ) { // explicit VR
672 131
673 unsigned int DicomHandler::GetMaterialIndex(G4 << 132 std::fread(buffer, 2, 1, dicom); // Skip 2 reserved bytes
674 { <<
675 std::map<G4float, G4String>::const_reverse_i <<
676 std::size_t ii = fMaterialIndices.size(); <<
677 133
678 for (ite = fMaterialIndices.crbegin(); ite ! << 134 // element length
679 if (density >= (*ite).first) { << 135 std::fread(buffer, 4, 1, dicom);
680 break; << 136 getValue(buffer, elementLength4);
681 } <<
682 } <<
683 137
684 if (ii == fMaterialIndices.size()) { << 138 // beginning of the pixels
685 ii = fMaterialIndices.size() - 1; << 139 if(tagDictionary == 0x7FE00010) break;
686 } <<
687 140
688 return unsigned(ii); << 141 // Reading the information with data
689 } << 142 std::fread(data, elementLength4,1,dicom);
690 143
691 //....oooOO0OOooo........oooOO0OOooo........oo <<
692 144
693 G4int DicomHandler::ReadData(FILE* dicom, char << 145 } else { // length is 16 bits :
694 { <<
695 G4int returnvalue = 0; <<
696 size_t rflag = 0; <<
697 146
698 // READING THE PIXELS << 147 if(!implicitEndian || readGroupId == 2) {
>> 148 // element length (2 bytes)
>> 149 std::fread(buffer, 2, 1, dicom);
>> 150 getValue(buffer, elementLength2);
>> 151 elementLength4 = elementLength2;
699 152
700 fTab = new G4int*[fRows]; << 153 } else {
701 for (G4int i = 0; i < fRows; ++i) { << 154 // element length (4 bytes)
702 fTab[i] = new G4int[fColumns]; << 155 if(std::fseek(dicom, -2, SEEK_CUR) != 0) {
703 } << 156 G4cerr << "[DicomHandler] fseek failed" << G4endl;
>> 157 exit(-10);
>> 158 }
>> 159 std::fread(buffer, 4, 1, dicom);
>> 160 getValue(buffer, elementLength4);
>> 161 }
704 162
705 if (fBitAllocated == 8) { // Case 8 bits : << 163 // beginning of the pixels
>> 164 if(tagDictionary == 0x7FE00010) break;
706 165
707 std::printf("@@@ Error! Picture != 16 bits << 166 std::fread(data, elementLength4, 1, dicom);
708 std::printf("@@@ Error! Picture != 16 bits << 167 }
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) <<
747 168
748 const char* mateNameC = mateName.c_str(); << 169 // NULL termination
749 rflag = std::fwrite(mateNameC, sizeof(char << 170 data[elementLength4] = '\0';
750 } <<
751 171
752 unsigned int fRowsC = fRows / fCompression; << 172 // analyzing inforamtion
753 unsigned int fColumnsC = fColumns / fCompres << 173 getInformation(tagDictionary, data);
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 } 174 }
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; <<
811 175
812 if (!overflow) { << 176 // Creating files to store information
813 density = Pixel2density(mean); << 177 storeInformation(filename2);
814 unsigned int mateID = GetMaterialInd <<
815 rflag = std::fwrite(&mateID, sizeof( <<
816 } <<
817 } <<
818 } <<
819 } <<
820 178
821 //----- Write density for each pixel << 179 //
822 if (compSize == 1) { // no fCompression: ea << 180 delete [] buffer;
823 for (G4int ww = 0; ww < fRows; ++ww) { << 181 delete [] data;
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 } <<
853 } <<
854 182
855 rflag = std::fclose(fileOut); << 183 return returnvalue;
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 } 184 }
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 <<
884 185
885 void DicomHandler::ReadCalibration() << 186 //
886 { << 187 void DicomHandler::getInformation(G4int & tagDictionary, char * data) {
887 fNbrequali = 0; << 188 if(tagDictionary == 0x00280010 ) { // Number of Rows
888 // CT2Density.dat contains the calibration c << 189 getValue(data, rows);
889 // number to physical density << 190 std::printf("[0x00280010] Rows -> %i\n",rows);
890 std::ifstream calibration(fCt2DensityFile.c_ << 191
891 calibration >> fNbrequali; << 192 } else if(tagDictionary == 0x00280011 ) { // Number of columns
892 fValueDensity = new G4double[fNbrequali]; << 193 getValue(data, columns);
893 fValueCT = new G4double[fNbrequali]; << 194 std::printf("[0x00280011] Columns -> %i\n",columns);
894 << 195
895 if (!calibration) { << 196 } else if(tagDictionary == 0x00280102 ) { // High bits ( not used )
896 G4Exception("DicomHandler::ReadFile", "DIC << 197 short highBits;
897 "@@@ No value to transform pix << 198 getValue(data, highBits);
898 } << 199 std::printf("[0x00280102] High bits -> %i\n",highBits);
899 else { // calibration was successfully open << 200
900 for (G4int i = 0; i < fNbrequali; ++i) { << 201 } else if(tagDictionary == 0x00280100 ) { // Bits allocated
901 calibration >> fValueCT[i] >> fValueDens << 202 getValue(data, bitAllocated);
>> 203 std::printf("[0x00280100] Bits allocated -> %i\n", bitAllocated);
>> 204
>> 205 } else if(tagDictionary == 0x00280101 ) { // Bits stored ( not used )
>> 206 short bitStored;
>> 207 getValue(data, bitStored);
>> 208 std::printf("[0x00280101] Bits stored -> %i\n",bitStored);
>> 209
>> 210 } else if(tagDictionary == 0x00280106 ) { // Min. pixel value
>> 211 getValue(data, minPixelValue);
>> 212 std::printf("[0x00280106] Min. pixel value -> %i\n", minPixelValue);
>> 213
>> 214 } else if(tagDictionary == 0x00280107 ) { // Max. pixel value
>> 215 getValue(data, maxPixelValue);
>> 216 std::printf("[0x00280107] Max. pixel value -> %i\n", maxPixelValue);
>> 217
>> 218 } else if(tagDictionary == 0x00281053) { // Rescale slope
>> 219 rescaleSlope = atoi(data);
>> 220 std::printf("[0x00281053] Rescale Slope -> %d\n", rescaleSlope);
>> 221
>> 222 } else if(tagDictionary == 0x00281052 ) { // Rescalse intercept
>> 223 rescaleIntercept = atoi(data);
>> 224 std::printf("[0x00281052] Rescale Intercept -> %d\n", rescaleIntercept );
>> 225
>> 226 } else if(tagDictionary == 0x00280103 ) {
>> 227 // Pixel representation ( functions not design to read signed bits )
>> 228 pixelRepresentation = atoi(data); // 0: unsigned 1: signed
>> 229 std::printf("[0x00280103] Pixel Representation -> %i\n", pixelRepresentation);
>> 230 if(pixelRepresentation == 1 ) {
>> 231 std::printf("### PIXEL REPRESENTATION = 1, BITS ARE SIGNED, ");
>> 232 std::printf("DICOM READING SCAN FOR UNSIGNED VALUE, POSSIBLE ");
>> 233 std::printf("ERROR !!!!!! -> \n");
>> 234 }
>> 235
>> 236 } else if(tagDictionary == 0x00080006 ) { // Modality
>> 237 std::printf("[0x00080006] Modality -> %s\n", data);
>> 238
>> 239 } else if(tagDictionary == 0x00080070 ) { // Manufacturer
>> 240 std::printf("[0x00080070] Manufacturer -> %s\n", data);
>> 241
>> 242 } else if(tagDictionary == 0x00080080 ) { // Institution Name
>> 243 std::printf("[0x00080080] Institution Name -> %s\n", data);
>> 244
>> 245 } else if(tagDictionary == 0x00080081 ) { // Institution Address
>> 246 std::printf("[0x00080081] Institution Address -> %s\n", data);
>> 247
>> 248 } else if(tagDictionary == 0x00081040 ) { // Institution Department Name
>> 249 std::printf("[0x00081040] Institution Department Name -> %s\n", data);
>> 250
>> 251 } else if(tagDictionary == 0x00081090 ) { // Manufacturer's Model Name
>> 252 std::printf("[0x00081090] Manufacturer's Model Name -> %s\n", data);
>> 253
>> 254 } else if(tagDictionary == 0x00181000 ) { // Device Serial Number
>> 255 std::printf("[0x00181000] Device Serial Number -> %s\n", data);
>> 256
>> 257 } else if(tagDictionary == 0x00080008 ) { // Image type ( not used )
>> 258 std::printf("[0x00080008] Image Types -> %s\n", data);
>> 259
>> 260 } else if(tagDictionary == 0x00283000 ) { // Modality LUT Sequence ( not used )
>> 261 std::printf("[0x00283000] Modality LUT Sequence SQ 1 -> %s\n", data);
>> 262
>> 263 } else if(tagDictionary == 0x00283002 ) { // LUT Descriptor ( not used )
>> 264 std::printf("[0x00283002] LUT Descriptor US or SS 3 -> %s\n", data);
>> 265
>> 266 } else if(tagDictionary == 0x00283003 ) { // LUT Explanation ( not used )
>> 267 std::printf("[0x00283003] LUT Explanation LO 1 -> %s\n", data);
>> 268
>> 269 } else if(tagDictionary == 0x00283004 ) { // Modality LUT ( not used )
>> 270 std::printf("[0x00283004] Modality LUT Type LO 1 -> %s\n", data);
>> 271
>> 272 } else if(tagDictionary == 0x00283006 ) { // LUT Data ( not used )
>> 273 std::printf("[0x00283006] LUT Data US or SS -> %s\n", data);
>> 274
>> 275 } else if(tagDictionary == 0x00283010 ) { // VOI LUT ( not used )
>> 276 std::printf("[0x00283010] VOI LUT Sequence SQ 1 -> %s\n", data);
>> 277
>> 278 } else if(tagDictionary == 0x00280120 ) { // Pixel Padding Value ( not used )
>> 279 std::printf("[0x00280120] Pixel Padding Value US or SS 1 -> %s\n", data);
>> 280
>> 281 } else if(tagDictionary == 0x00280030 ) { // Pixel Spacing
>> 282 char * buff = new char[LINEBUFFSIZE];
>> 283 char * sepPos = index(data, '\\');
>> 284 char * termPos = rindex(data, '\0');
>> 285 std::strncpy(buff, data, sepPos - data);
>> 286 pixelSpacingX = atof(buff);
>> 287 std::strncpy(buff, sepPos+1, termPos - sepPos - 1);
>> 288 pixelSpacingY = atof(buff);
>> 289 std::printf("[0x00280030] Pixel Spacing (mm) -> %s\n", data);
>> 290 delete [] buff;
>> 291
>> 292 } else if(tagDictionary == 0x00200037 ) { // Image Orientation ( not used )
>> 293 std::printf("[0x00200037] Image Orientation (Patient) -> %s\n", data);
>> 294
>> 295 } else if(tagDictionary == 0x00200032 ) { // Image Position ( not used )
>> 296 std::printf("[0x00200032] Image Position (Patient,mm) -> %s\n", data);
>> 297
>> 298 } else if(tagDictionary == 0x00180050 ) { // Slice Thickness
>> 299 sliceThickness = atof(data);
>> 300 std::printf("[0x00180050] Slice Thickness (mm) -> %f\n", sliceThickness);
>> 301
>> 302 } else if(tagDictionary == 0x00201041 ) { // Slice Location
>> 303 sliceLocation = atof(data);
>> 304 std::printf("[0x00201041] Slice Location -> %f\n", sliceLocation);
>> 305
>> 306 } else if(tagDictionary == 0x00280004 ) { // Photometric Interpretation ( not used )
>> 307 std::printf("[0x00280004] Photometric Interpretation -> %s\n", data);
>> 308
>> 309 } else if(tagDictionary == 0x00020010) { // Endian
>> 310 if(strcmp(data, "1.2.840.10008.1.2") == 0)
>> 311 implicitEndian = true;
>> 312 else if(strncmp(data, "1.2.840.10008.1.2.2", 19) == 0)
>> 313 littleEndian = false;
>> 314 //else 1.2.840..10008.1.2.1 (explicit little endian)
>> 315
>> 316 std::printf("[0x00020010] Endian -> %s\n", data);
902 } 317 }
903 } <<
904 calibration.close(); <<
905 fReadCalibration = true; <<
906 } <<
907 #endif <<
908 <<
909 #ifdef DICOM_USE_HEAD <<
910 G4float DicomHandler::Pixel2density(G4int pixe <<
911 { <<
912 G4float density = -1; <<
913 <<
914 // Air <<
915 if (pixel == -998.) density = 0.001290; <<
916 // Soft Tissue <<
917 else if (pixel == 24.) <<
918 density = 1.00; <<
919 // Brain <<
920 else if (pixel == 52.) <<
921 density = 1.03; <<
922 // Spinal disc <<
923 else if (pixel == 92.) <<
924 density = 1.10; <<
925 // Trabecular bone <<
926 else if (pixel == 197.) <<
927 density = 1.18; <<
928 // Cortical Bone <<
929 else if (pixel == 923.) <<
930 density = 1.85; <<
931 // Tooth dentine <<
932 else if (pixel == 1280.) <<
933 density = 2.14; <<
934 // Tooth enamel <<
935 else if (pixel == 2310.) <<
936 density = 2.89; <<
937 318
938 return density; << 319 // others
939 } << 320 else {
940 << 321 std::printf("[0x%x] -> %s\n", tagDictionary, data);
941 #else <<
942 //....oooOO0OOooo........oooOO0OOooo........oo <<
943 <<
944 G4float DicomHandler::Pixel2density(G4int pixe <<
945 { <<
946 if (!fReadCalibration) { <<
947 ReadCalibration(); <<
948 } <<
949 322
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 } 323 }
963 } <<
964 324
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 } 325 }
974 #endif <<
975 //....oooOO0OOooo........oooOO0OOooo........oo <<
976 <<
977 void DicomHandler::CheckFileFormat() <<
978 { <<
979 std::ifstream checkData(fDriverFile.c_str()) <<
980 char* oneLine = new char[128]; <<
981 <<
982 if (!(checkData.is_open())) { // Check exis <<
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 <<
993 checkData >> fCompression; <<
994 checkData >> fNFiles; <<
995 G4String oneName; <<
996 checkData.getline(oneLine, 100); <<
997 std::ifstream testExistence; <<
998 G4bool existAlready = true; <<
999 for (G4int rep = 0; rep < fNFiles; ++rep) { <<
1000 checkData.getline(oneLine, 100); <<
1001 oneName = oneLine; <<
1002 oneName += ".g4dcm"; // create dicomFile <<
1003 G4cout << fNFiles << " test file " << one <<
1004 testExistence.open(oneName.data()); <<
1005 if (!(testExistence.is_open())) { <<
1006 existAlready = false; <<
1007 testExistence.clear(); <<
1008 testExistence.close(); <<
1009 } <<
1010 testExistence.clear(); <<
1011 testExistence.close(); <<
1012 } <<
1013 <<
1014 ReadMaterialIndices(checkData); <<
1015 326
1016 checkData.close(); << 327 //
1017 delete[] oneLine; << 328 void DicomHandler::storeInformation(char * _filename) {
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 329
1072 // G4cout << "check: " << name << G4end << 330 char * compressionbuf = new char[LINEBUFFSIZE];
1073 // Open input file and give it to gest << 331 char * maxbuf = new char[LINEBUFFSIZE];
1074 G4cout << "### Opening " << name << " a << 332 char * filename = new char[FILENAMESIZE];
1075 dicom = std::fopen(name.c_str(), "rb"); << 333 compression = 0;
1076 // Reading the .dcm in two steps: << 334 max = 0;
1077 // 1. reading the header << 335 FILE* configuration;
1078 // 2. reading the pixel data and s << 336
1079 if (dicom != 0) { << 337 configuration = std::fopen("Data.dat","r");
1080 ReadFile(dicom, inputFile); << 338 if( configuration != 0 ) {
1081 } << 339 std::fscanf(configuration,"%s",compressionbuf);
1082 else { << 340 compression = atoi(compressionbuf);
1083 G4cout << "\nError opening file : " < << 341 std::fscanf(configuration,"%s",maxbuf);
1084 } << 342 max = atoi(maxbuf);
1085 rflag = std::fclose(dicom); << 343 std::fclose(configuration);
>> 344 } else {
>> 345 std::printf("### WARNING, file Data.dat not here !!!\n");
>> 346 exit(1);
1086 } 347 }
1087 #endif <<
1088 348
1089 rflag = std::fclose(lecturePref); <<
1090 349
1091 // Checks the spacing is correct. Dumps t << 350 FILE* dat;
1092 fMergedSlices->CheckSlices(); << 351 std::sprintf(filename,"%s.dat", _filename);
>> 352 dat = std::fopen(filename,"w+");
>> 353 // Note: the .dat files contain basic information on the images.
>> 354
>> 355 std::fprintf(dat,"Rows,columns(#): %8i %8i\n",rows,columns);
>> 356 std::fprintf(dat,"PixelSpacing_X,Y(mm): %8f %8f\n",
>> 357 pixelSpacingX,pixelSpacingY);
>> 358 std::fprintf(dat,"SliceThickness(mm): %8f\n",sliceThickness);
>> 359 std::fprintf(dat,"SliceLocation(mm): %8f\n",sliceLocation);
>> 360 std::fclose(dat);
>> 361
>> 362 delete [] compressionbuf;
>> 363 delete [] maxbuf;
>> 364 delete [] filename;
1093 365
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 <<
1133 rflag = std::fread(buffer, item_Length, 1 <<
1134 <<
1135 items_array_length = items_array_length + <<
1136 } <<
1137 <<
1138 delete[] buffer; <<
1139 <<
1140 if (SQ_Length > items_array_length) <<
1141 return 0; <<
1142 else <<
1143 return 1; <<
1144 if (rflag) return 1; <<
1145 } 366 }
1146 367
1147 //....oooOO0OOooo........oooOO0OOooo........o << 368 //
1148 << 369 G4int DicomHandler::readData(FILE *dicom,char * filename2)
1149 void DicomHandler::read_undefined_nested(FILE <<
1150 { 370 {
1151 // VARIABLES << 371 G4int returnvalue = 0;
1152 unsigned short item_GroupNumber; << 372 char * compressionbuf = new char[LINEBUFFSIZE];
1153 unsigned short item_ElementNumber; << 373 char * maxbuf = new char[LINEBUFFSIZE];
1154 unsigned int item_Length; << 374 short compression = 0;
1155 char* buffer = new char[LINEBUFFSIZE]; << 375 G4int max = 0;
1156 size_t rflag = 0; << 376
1157 << 377 FILE* configuration = std::fopen("Data.dat","r");
1158 do { << 378 std::fscanf(configuration,"%s",compressionbuf);
1159 rflag = std::fread(buffer, 2, 1, nested); << 379 compression = atoi(compressionbuf);
1160 GetValue(buffer, item_GroupNumber); << 380 std::fscanf(configuration,"%s",maxbuf);
1161 << 381 max = atoi(maxbuf);
1162 rflag = std::fread(buffer, 2, 1, nested); << 382 std::fclose(configuration);
1163 GetValue(buffer, item_ElementNumber); << 383
1164 << 384 // READING THE PIXELS :
1165 rflag = std::fread(buffer, 4, 1, nested); << 385 G4int w = 0;
1166 GetValue(buffer, item_Length); << 386 G4int len = 0;
1167 << 387
1168 if (item_Length != 0xffffffff) << 388 G4int** tab = new G4int*[rows];
1169 rflag = std::fread(buffer, item_Length, << 389 for ( G4int i = 0; i < rows; i ++ ) {
1170 else << 390 tab[i] = new G4int[columns];
1171 read_undefined_item(nested); << 391 }
>> 392
>> 393 if(bitAllocated == 8) { // Case 8 bits :
>> 394
>> 395 std::printf("@@@ Error! Picture != 16 bits...\n");
>> 396 std::printf("@@@ Error! Picture != 16 bits...\n");
>> 397 std::printf("@@@ Error! Picture != 16 bits...\n");
>> 398
>> 399 unsigned char ch = 0;
>> 400
>> 401 len = rows*columns;
>> 402 for(G4int j = 0; j < rows; j++) {
>> 403 for(G4int i = 0; i < columns; i++) {
>> 404 w++;
>> 405 std::fread( &ch, 1, 1, dicom);
>> 406 tab[j][i] = ch*rescaleSlope + rescaleIntercept;
>> 407 }
>> 408 }
>> 409 returnvalue = 1;
>> 410
>> 411 } else { // from 12 to 16 bits :
>> 412 char sbuff[2];
>> 413 short pixel;
>> 414 len = rows*columns;
>> 415 for( G4int j = 0; j < rows; j++) {
>> 416 for( G4int i = 0; i < columns; i++) {
>> 417 w++;
>> 418 std::fread(sbuff, 2, 1, dicom);
>> 419 getValue(sbuff, pixel);
>> 420 tab[j][i] = pixel*rescaleSlope + rescaleIntercept;
>> 421 }
>> 422 }
>> 423 }
>> 424
>> 425 // Creation of .g4 files wich contains averaged density data
>> 426
>> 427 char * nameProcessed = new char[FILENAMESIZE];
>> 428 FILE* processed;
>> 429
>> 430 std::sprintf(nameProcessed,"%s.g4",filename2);
>> 431 processed = std::fopen(nameProcessed,"w+b");
>> 432 std::printf("### Writing of %s ###\n",nameProcessed);
>> 433
>> 434 std::fwrite(&rows, 2, 1, processed);
>> 435 std::fwrite(&columns, 2, 1, processed);
>> 436 std::fwrite(&pixelSpacingX, 8, 1, processed);
>> 437 std::fwrite(&pixelSpacingY, 8, 1, processed);
>> 438 std::fwrite(&sliceThickness, 8, 1, processed);
>> 439 std::fwrite(&sliceLocation, 8, 1, processed);
>> 440 std::fwrite(&compression, 2, 1, processed);
>> 441
>> 442 std::printf("%8i %8i\n",rows,columns);
>> 443 std::printf("%8f %8f\n",pixelSpacingX,pixelSpacingY);
>> 444 std::printf("%8f\n", sliceThickness);
>> 445 std::printf("%8f\n", sliceLocation);
>> 446 std::printf("%8i\n", compression);
>> 447
>> 448 G4int compSize = compression;
>> 449 G4int mean;
>> 450 G4double density;
>> 451 G4bool overflow = false;
>> 452 G4int cpt=1;
>> 453
>> 454 if(compSize == 1) { // no compression: each pixel has a density value)
>> 455 for( G4int ww = 0; ww < rows; ww++) {
>> 456 for( G4int xx = 0; xx < columns; xx++) {
>> 457 mean = tab[ww][xx];
>> 458 density = pixel2density(mean);
>> 459 std::fwrite(&density, sizeof(G4double), 1, processed);
>> 460 }
>> 461 }
>> 462
>> 463 } else {
>> 464 // density value is the average of a square region of
>> 465 // compression*compression pixels
>> 466 for(G4int ww = 0; ww < rows ;ww += compSize ) {
>> 467 for(G4int xx = 0; xx < columns ;xx +=compSize ) {
>> 468 overflow = false;
>> 469 mean = 0;
>> 470 for(int sumx = 0; sumx < compSize; sumx++) {
>> 471 for(int sumy = 0; sumy < compSize; sumy++) {
>> 472 if(ww+sumy >= rows || xx+sumx >= columns) overflow = true;
>> 473 mean += tab[ww+sumy][xx+sumx];
>> 474 }
>> 475 if(overflow) break;
>> 476 }
>> 477 mean /= compSize*compSize;
>> 478 cpt = 1;
>> 479
>> 480 if(!overflow) {
>> 481 G4double density = pixel2density(mean);
>> 482 std::fwrite(&density, sizeof(G4double), 1, processed);
>> 483 }
>> 484 }
>> 485
>> 486 }
>> 487 }
>> 488 std::fclose(processed);
>> 489
>> 490 delete [] compressionbuf;
>> 491 delete [] maxbuf;
>> 492 delete [] nameProcessed;
>> 493
>> 494 for ( G4int i = 0; i < rows; i ++ ) {
>> 495 delete [] tab[i];
>> 496 }
>> 497 delete [] tab;
>> 498
>> 499 return returnvalue;
>> 500 }
>> 501
>> 502 /*
>> 503 G4int DicomHandler::displayImage(char command[300])
>> 504 {
>> 505 // Display DICOM images using ImageMagick
>> 506 char commandName[500];
>> 507 std::sprintf(commandName,"display %s",command);
>> 508 std::printf(commandName);
>> 509 G4int i = system(commandName);
>> 510 return (G4int )i;
>> 511 }
>> 512 */
>> 513
>> 514 G4double DicomHandler::pixel2density(G4int pixel)
>> 515 {
>> 516 G4double density = -1.;
>> 517 G4int nbrequali = 0;
>> 518 G4double deltaCT = 0;
>> 519 G4double deltaDensity = 0;
>> 520
>> 521 // CT2Density.dat contains the calibration curve to convert CT (Hounsfield)
>> 522 // number to physical density
>> 523 std::ifstream calibration("CT2Density.dat");
>> 524 calibration >> nbrequali;
>> 525
>> 526 G4double * valuedensity = new G4double[nbrequali];
>> 527 G4double * valueCT = new G4double[nbrequali];
>> 528
>> 529 if(!calibration) {
>> 530 G4cerr << "@@@ No value to transform pixels in density!" << G4endl;
>> 531 exit(1);
>> 532
>> 533 } else { // calibration was successfully opened
>> 534 for(G4int i = 0; i < nbrequali; i++) { // Loop to store all the pts in CT2Density.dat
>> 535 calibration >> valueCT[i] >> valuedensity[i];
>> 536 }
>> 537 }
>> 538 calibration.close();
>> 539
>> 540 for(G4int j = 1; j < nbrequali; j++) {
>> 541 if( pixel >= valueCT[j-1] && pixel < valueCT[j]) {
>> 542
>> 543 deltaCT = valueCT[j] - valueCT[j-1];
>> 544 deltaDensity = valuedensity[j] - valuedensity[j-1];
>> 545
>> 546 // interpolating linearly
>> 547 density = valuedensity[j] - ((valueCT[j] - pixel)*deltaDensity/deltaCT );
>> 548 break;
>> 549 }
>> 550 }
>> 551
>> 552 if(density < 0.) {
>> 553 std::printf("@@@ Error density = %f && Pixel = %i (0x%x) && deltaDensity/deltaCT = %f\n",density,pixel,pixel, deltaDensity/deltaCT);
>> 554 }
>> 555
>> 556 delete [] valuedensity;
>> 557 delete [] valueCT;
>> 558
>> 559 return density;
>> 560 }
>> 561
>> 562
>> 563 void DicomHandler::checkFileFormat()
>> 564 {
>> 565 std::ifstream checkData("Data.dat");
>> 566 char * oneLine = new char[128];
>> 567 G4int nbImages;
>> 568
>> 569 if(!(checkData.is_open())) { //Check existance of Data.dat
>> 570
>> 571 G4cout << "\nDicomG4 needs Data.dat :\n\tFirst line: number of image pixel for a "
>> 572 << "voxel (G4Box)\n\tSecond line: number of images (CT slices) to "
>> 573 << "read\n\tEach following line contains the name of a Dicom image except "
>> 574 << "for the .dcm extension\n";
>> 575 exit(0);
>> 576 }
>> 577
>> 578 checkData >> nbImages;
>> 579 checkData >> nbImages;
>> 580 G4String oneName;
>> 581 checkData.getline(oneLine,100);
>> 582 std::ifstream testExistence;
>> 583 G4bool existAlready = true;
>> 584 for(G4int rep = 0; rep < nbImages; rep++) {
>> 585 checkData.getline(oneLine,100);
>> 586 oneName = oneLine;
>> 587 oneName += ".g4"; // create dicomFile.g4
>> 588 testExistence.open(oneName.data());
>> 589 if(!(testExistence.is_open())) {
>> 590 existAlready = false;
>> 591 testExistence.clear();
>> 592 testExistence.close();
>> 593 break;
>> 594 }
>> 595 testExistence.clear();
>> 596 testExistence.close();
>> 597 }
>> 598 checkData.close();
>> 599 delete [] oneLine;
>> 600
>> 601 if( existAlready == false ) { // The files *.g4 have to be created
>> 602
>> 603 G4cout << "\nAll the necessary images were not found in processed form, starting "
>> 604 << "with .dcm images\n";
>> 605
>> 606 FILE * dicom;
>> 607 FILE * lecturePref;
>> 608 char * compressionc = new char[LINEBUFFSIZE];
>> 609 char * maxc = new char[LINEBUFFSIZE];
>> 610 //char name[300], inputFile[300];
>> 611 char * name = new char[FILENAMESIZE];
>> 612 char * inputFile = new char[FILENAMESIZE];
>> 613
>> 614 lecturePref = std::fopen("Data.dat","r");
>> 615 std::fscanf(lecturePref,"%s",compressionc);
>> 616 compression = atoi(compressionc);
>> 617 std::fscanf(lecturePref,"%s",maxc);
>> 618 max = atoi(maxc);
>> 619
>> 620 for( G4int i = 1; i <= max; i++ ) { // Begin loop on filenames
>> 621
>> 622 std::fscanf(lecturePref,"%s",inputFile);
>> 623 std::sprintf(name,"%s.dcm",inputFile);
>> 624 std::cout << "check 1: " << name << std::endl;
>> 625 // Open input file and give it to gestion_dicom :
>> 626 std::printf("### Opening %s and reading :\n",name);
>> 627 dicom = std::fopen(name,"rb");
>> 628 // Reading the .dcm in two steps:
>> 629 // 1. reading the header
>> 630 // 2. reading the pixel data and store the density in Moyenne.dat
>> 631 if( dicom != 0 ) {
>> 632 readHeader(dicom,inputFile);
>> 633 readData(dicom,inputFile);
>> 634 } else {
>> 635 G4cout << "\nError opening file : " << name << G4endl;
>> 636 exit(0);
>> 637 }
>> 638 std::fclose(dicom);
>> 639 }
>> 640 std::fclose(lecturePref);
>> 641
>> 642 delete [] compressionc;
>> 643 delete [] maxc;
>> 644 delete [] name;
>> 645 delete [] inputFile;
1172 646
1173 } while (item_GroupNumber != 0xFFFE || item << 647 }
1174 648
1175 delete[] buffer; <<
1176 if (rflag) return; <<
1177 } 649 }
1178 650
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 <<
1197 rflag = std::fread(buffer, 4, 1, nested); <<
1198 GetValue(buffer, item_Length); <<
1199 651
1200 if (item_Length != 0) rflag = std::fread( << 652 template <class Type>
>> 653 void DicomHandler::getValue(char * _val, Type & _rval) {
1201 654
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 655 #if BYTE_ORDER == BIG_ENDIAN
1214 if (fLittleEndian) { // little endian << 656 if(littleEndian) { // little endian
1215 #else // BYTE_ORDER == LITTLE_ENDIAN << 657 #else // BYTE_ORDER == LITTLE_ENDIAN
1216 if (!fLittleEndian) { // big endian << 658 if(!littleEndian) { // big endian
1217 #endif 659 #endif
1218 const G4int SIZE = sizeof(_rval); << 660 const int SIZE = sizeof(_rval);
1219 char ctemp; << 661 char ctemp;
1220 for (G4int i = 0; i < SIZE / 2; ++i) { << 662 for(int i = 0; i < SIZE/2; i++) {
1221 ctemp = _val[i]; << 663 ctemp = _val[i];
1222 _val[i] = _val[SIZE - 1 - i]; << 664 _val[i] = _val[SIZE - 1 - i];
1223 _val[SIZE - 1 - i] = ctemp; << 665 _val[SIZE - 1 - i] = ctemp;
>> 666 }
1224 } 667 }
1225 } << 668 _rval = *(Type *)_val;
1226 _rval = *(Type*)_val; <<
1227 } 669 }
1228 <<
1229 //....oooOO0OOooo........oooOO0OOooo........o <<
1230 670