1 // $Header: /cvs/public/gdcm/src/Attic/gdcmHeaderHelper.cxx,v 1.13 2003/10/24 14:34:22 malaterre Exp $
3 #include "gdcmHeaderHelper.h"
5 #include "gdcmUtil.h" //for debug
8 #include <string.h> //for bzero
10 //directory manipulation (os indep).
11 //cygwin ???? -> _WIN32 ??
14 int GetDir(std::string dPath, std::list<std::string> &filenames)
16 //For now dPath should have an ending "\"
17 WIN32_FIND_DATA FileData;
19 hFile = FindFirstFile((dPath+"*").c_str(), &FileData);
20 if ( hFile == INVALID_HANDLE_VALUE )
26 if( strncmp(FileData.cFileName, ".", 1) != 0 )
27 filenames.push_back( dPath+FileData.cFileName );
28 while( FindNextFile(hFile, &FileData ) != 0)
30 if( strncmp(FileData.cFileName, ".", 1) != 0 )
31 filenames.push_back( dPath+FileData.cFileName );
39 int GetDir(std::string dPath, std::list<std::string> &filenames)
41 DIR *dir = opendir( dPath.c_str() );
43 while((entry = readdir(dir)) != NULL)
45 // if( strncmp(entry->d_name, ".", 1) != 0 && strncmp(entry->d_name, "..", 2) != 0)
46 if( strncmp(entry->d_name, ".", 1) != 0 )
48 filenames.push_back( dPath + "/" + entry->d_name );
57 //----------------------------------------------------------------------------
59 * \ingroup gdcmHeaderHelper
62 gdcmHeaderHelper::gdcmHeaderHelper() : gdcmHeader( )
65 //----------------------------------------------------------------------------
67 * \ingroup gdcmHeaderHelper
70 gdcmHeaderHelper::gdcmHeaderHelper(const char *InFilename,
71 bool exception_on_error) : gdcmHeader( InFilename , exception_on_error)
74 //----------------------------------------------------------------------------
76 * \ingroup gdcmHeaderHelper
77 * \brief Return the size (in bytes) of a single pixel of data.
78 * @return The size in bytes of a single pixel of data.
81 int gdcmHeaderHelper::GetPixelSize() {
82 std::string PixelType = GetPixelType();
83 if (PixelType == "8U" || PixelType == "8S")
85 if (PixelType == "16U" || PixelType == "16S")
87 if (PixelType == "32U" || PixelType == "32S")
89 dbg.Verbose(0, "gdcmHeader::GetPixelSize: Unknown pixel type");
93 //----------------------------------------------------------------------------
95 * \ingroup gdcmHeaderHelper
96 * \brief gets the info from 0028,0004 : Photometric Interp
98 * @return 1 if Gray level, 3 if Color
100 int gdcmHeaderHelper::GetNumberOfScalarComponents() {
101 std::string PhotometricInterpretation =
102 gdcmHeader::GetPubElValByNumber(0x0028,0x0004);
105 // The compiler will optimze, if it feels like !
107 //beware of trailing space at end of string
108 if (PhotometricInterpretation.find(GDCM_UNFOUND) < PhotometricInterpretation.length() ||
109 PhotometricInterpretation.find("MONOCHROME1") < PhotometricInterpretation.length() ||
110 PhotometricInterpretation.find("MONOCHROME2") < PhotometricInterpretation.length() ) return 1;
114 //----------------------------------------------------------------------------
116 * \ingroup gdcmHeaderHelper
117 * \brief Build the Pixel Type of the image.
118 * Possible values are:
119 * - 8U unsigned 8 bit,
121 * - 16U unsigned 16 bit,
122 * - 16S signed 16 bit,
123 * - 32U unsigned 32 bit,
124 * - 32S signed 32 bit,
125 * \warning 12 bit images appear as 16 bit.
128 std::string gdcmHeaderHelper::GetPixelType() {
129 std::string BitsAlloc;
130 BitsAlloc = GetElValByName("Bits Allocated");
131 if (BitsAlloc == GDCM_UNFOUND) {
132 dbg.Verbose(0, "gdcmHeader::GetPixelType: unfound Bits Allocated");
133 BitsAlloc = std::string("16");
135 if (BitsAlloc == "12")
136 BitsAlloc = std::string("16");
139 Signed = GetElValByName("Pixel Representation");
140 if (Signed == GDCM_UNFOUND) {
141 dbg.Verbose(0, "gdcmHeader::GetPixelType: unfound Pixel Representation");
142 BitsAlloc = std::string("0");
145 Signed = std::string("U");
147 Signed = std::string("S");
149 return( BitsAlloc + Signed);
151 //----------------------------------------------------------------------------
153 * \ingroup gdcmHeaderHelper
154 * \brief gets the info from 0028,0030 : Pixel Spacing
156 * @return X dimension of a pixel
158 float gdcmHeaderHelper::GetXSpacing() {
159 float xspacing, yspacing;
160 std::string StrSpacing = GetPubElValByNumber(0x0028,0x0030);
162 if (StrSpacing == GDCM_UNFOUND) {
163 dbg.Verbose(0, "gdcmHeader::GetXSpacing: unfound Pixel Spacing (0028,0030)");
166 if( sscanf( StrSpacing.c_str(), "%f\\%f", &yspacing, &xspacing) != 2)
168 if (xspacing == 0.) {
169 dbg.Verbose(0, "gdcmHeader::GetYSpacing: gdcmData/CT-MONO2-8-abdo.dcm problem");
170 // seems to be a bug in the header ...
171 sscanf( StrSpacing.c_str(), "%f\\0\\%f", &yspacing, &xspacing);
175 //----------------------------------------------------------------------------
177 * \ingroup gdcmHeaderHelper
178 * \brief gets the info from 0028,0030 : Pixel Spacing
180 * @return Y dimension of a pixel
182 float gdcmHeaderHelper::GetYSpacing() {
183 float xspacing, yspacing;
184 std::string StrSpacing = GetPubElValByNumber(0x0028,0x0030);
186 if (StrSpacing == GDCM_UNFOUND) {
187 dbg.Verbose(0, "gdcmHeader::GetYSpacing: unfound Pixel Spacing (0028,0030)");
190 if( sscanf( StrSpacing.c_str(), "%f\\%f", &yspacing, &xspacing) != 2)
192 if (xspacing == 0.) {
193 dbg.Verbose(0, "gdcmHeader::GetYSpacing: gdcmData/CT-MONO2-8-abdo.dcm problem");
194 // seems to be a bug in the header ...
195 sscanf( StrSpacing.c_str(), "%f\\0\\%f", &yspacing, &xspacing);
200 //----------------------------------------------------------------------------
202 *\ingroup gdcmHeaderHelper
203 *\brief gets the info from 0018,0088 : Space Between Slices
204 *\ else from 0018,0050 : Slice Thickness
206 * @return Z dimension of a voxel-to be
208 float gdcmHeaderHelper::GetZSpacing() {
209 // TODO : translate into English
210 // Spacing Between Slices : distance entre le milieu de chaque coupe
211 // Les coupes peuvent etre :
212 // jointives (Spacing between Slices = Slice Thickness)
213 // chevauchantes (Spacing between Slices < Slice Thickness)
214 // disjointes (Spacing between Slices > Slice Thickness)
215 // Slice Thickness : epaisseur de tissus sur laquelle est acquis le signal
216 // ca interesse le physicien de l'IRM, pas le visualisateur de volumes ...
217 // Si le Spacing Between Slices est absent,
218 // on suppose que les coupes sont jointives
220 std::string StrSpacingBSlices = GetPubElValByNumber(0x0018,0x0088);
222 if (StrSpacingBSlices == GDCM_UNFOUND) {
223 dbg.Verbose(0, "gdcmHeader::GetZSpacing: unfound StrSpacingBSlices");
224 std::string StrSliceThickness = GetPubElValByNumber(0x0018,0x0050);
225 if (StrSliceThickness == GDCM_UNFOUND)
228 // if no 'Spacing Between Slices' is found,
229 // we assume slices join together
230 // (no overlapping, no interslice gap)
231 // if they don't, we're fucked up
232 return atof(StrSliceThickness.c_str());
234 return atof(StrSpacingBSlices.c_str());
238 //----------------------------------------------------------------------------
240 // Image Position Patient (0020,0032):
241 // If not found (ACR_NEMA) we try Image Position (0020,0030)
242 // If not found (ACR-NEMA), we consider Slice Location (0020,1041)
243 // or Location (0020,0050)
244 // as the Z coordinate,
245 // 0. for all the coordinates if nothing is found
247 // TODO : find a way to inform the caller nothing was found
248 // TODO : How to tell the caller a wrong number of values was found?
251 * \ingroup gdcmHeaderHelper
252 * \brief gets the info from 0020,0032 : Image Position Patient
253 *\ else from 0020,0030 : Image Position (RET)
255 * @return up-left image corner position
257 float gdcmHeaderHelper::GetXOrigin() {
258 float xImPos, yImPos, zImPos;
259 std::string StrImPos = GetPubElValByNumber(0x0020,0x0032);
261 if (StrImPos == GDCM_UNFOUND) {
262 dbg.Verbose(0, "gdcmHeader::GetXImagePosition: unfound Image Position Patient (0020,0032)");
263 StrImPos = GetPubElValByNumber(0x0020,0x0030); // For ACR-NEMA images
264 if (StrImPos == GDCM_UNFOUND) {
265 dbg.Verbose(0, "gdcmHeader::GetXImagePosition: unfound Image Position (RET) (0020,0030)");
266 // How to tell the caller nothing was found ?
270 if( sscanf( StrImPos.c_str(), "%f\\%f\\%f", &xImPos, &yImPos, &zImPos) != 3)
274 //----------------------------------------------------------------------------
276 * \ingroup gdcmHeaderHelper
277 * \brief gets the info from 0020,0032 : Image Position Patient
278 * \ else from 0020,0030 : Image Position (RET)
280 * @return up-left image corner position
282 float gdcmHeaderHelper::GetYOrigin() {
283 float xImPos, yImPos, zImPos;
284 std::string StrImPos = GetPubElValByNumber(0x0020,0x0032);
286 if (StrImPos == GDCM_UNFOUND) {
287 dbg.Verbose(0, "gdcmHeader::GetYImagePosition: unfound Image Position Patient (0020,0032)");
288 StrImPos = GetPubElValByNumber(0x0020,0x0030); // For ACR-NEMA images
289 if (StrImPos == GDCM_UNFOUND) {
290 dbg.Verbose(0, "gdcmHeader::GetYImagePosition: unfound Image Position (RET) (0020,0030)");
291 // How to tell the caller nothing was found ?
295 if( sscanf( StrImPos.c_str(), "%f\\%f\\%f", &xImPos, &yImPos, &zImPos) != 3)
299 //----------------------------------------------------------------------------
301 * \ingroup gdcmHeaderHelper
302 * \brief gets the info from 0020,0032 : Image Position Patient
303 * \ else from 0020,0030 : Image Position (RET)
304 * \ else from 0020,1041 : Slice Location
305 * \ else from 0020,0050 : Location
307 * @return up-left image corner position
309 float gdcmHeaderHelper::GetZOrigin() {
310 float xImPos, yImPos, zImPos;
311 std::string StrImPos = GetPubElValByNumber(0x0020,0x0032);
312 if (StrImPos != GDCM_UNFOUND) {
313 if( sscanf( StrImPos.c_str(), "%f\\%f\\%f", &xImPos, &yImPos, &zImPos) != 3) {
314 dbg.Verbose(0, "gdcmHeader::GetZImagePosition: wrong Image Position Patient (0020,0032)");
315 return 0.; // bug in the element 0x0020,0x0032
320 StrImPos = GetPubElValByNumber(0x0020,0x0030); // For ACR-NEMA images
321 if (StrImPos != GDCM_UNFOUND) {
322 if( sscanf( StrImPos.c_str(), "%f\\%f\\%f", &xImPos, &yImPos, &zImPos) != 3) {
323 dbg.Verbose(0, "gdcmHeader::GetZImagePosition: wrong Image Position (RET) (0020,0030)");
324 return 0.; // bug in the element 0x0020,0x0032
329 std::string StrSliceLocation = GetPubElValByNumber(0x0020,0x1041);// for *very* old ACR-NEMA images
330 if (StrSliceLocation != GDCM_UNFOUND) {
331 if( sscanf( StrSliceLocation.c_str(), "%f", &zImPos) !=1) {
332 dbg.Verbose(0, "gdcmHeader::GetZImagePosition: wrong Slice Location (0020,1041)");
333 return 0.; // bug in the element 0x0020,0x1041
338 dbg.Verbose(0, "gdcmHeader::GetZImagePosition: unfound Slice Location (0020,1041)");
339 std::string StrLocation = GetPubElValByNumber(0x0020,0x0050);
340 if (StrLocation != GDCM_UNFOUND) {
341 if( sscanf( StrLocation.c_str(), "%f", &zImPos) !=1) {
342 dbg.Verbose(0, "gdcmHeader::GetZImagePosition: wrong Location (0020,0050)");
343 return 0.; // bug in the element 0x0020,0x0050
348 dbg.Verbose(0, "gdcmHeader::GetYImagePosition: unfound Location (0020,0050)");
349 return 0.; // Hopeless
351 //----------------------------------------------------------------------------
353 * \ingroup gdcmHeaderHelper
354 * \brief gets the info from 0020,0013 : Image Number
356 * @return image number
358 int gdcmHeaderHelper::GetImageNumber() {
359 //The function i atoi() takes the address of an area of memory as parameter and converts
360 //the string stored at that location to an integer using the external decimal to internal
361 //binary conversion rules. This may be preferable to sscanf() since atoi() is a much smaller,
362 // simpler and faster function. sscanf() can do all possible conversions whereas atoi() can
363 //only do single decimal integer conversions.
364 std::string StrImNumber = GetPubElValByNumber(0x0020,0x0013); //0020 0013 IS REL Image Number
365 if (StrImNumber != GDCM_UNFOUND) {
366 return atoi( StrImNumber.c_str() );
370 //----------------------------------------------------------------------------
372 * \ingroup gdcmHeaderHelper
373 * \brief gets the info from 0008,0060 : Modality
374 * @return ModalityType
376 ModalityType gdcmHeaderHelper::GetModality(void) {
377 std::string StrModality = GetPubElValByNumber(0x0008,0x0060); //0008 0060 CS ID Modality
378 if (StrModality != GDCM_UNFOUND) {
379 if ( StrModality.find("AU") < StrModality.length()) return AU;
380 else if ( StrModality.find("AS") < StrModality.length()) return AS;
381 else if ( StrModality.find("BI") < StrModality.length()) return BI;
382 else if ( StrModality.find("CF") < StrModality.length()) return CF;
383 else if ( StrModality.find("CP") < StrModality.length()) return CP;
384 else if ( StrModality.find("CR") < StrModality.length()) return CR;
385 else if ( StrModality.find("CT") < StrModality.length()) return CT;
386 else if ( StrModality.find("CS") < StrModality.length()) return CS;
387 else if ( StrModality.find("DD") < StrModality.length()) return DD;
388 else if ( StrModality.find("DF") < StrModality.length()) return DF;
389 else if ( StrModality.find("DG") < StrModality.length()) return DG;
390 else if ( StrModality.find("DM") < StrModality.length()) return DM;
391 else if ( StrModality.find("DS") < StrModality.length()) return DS;
392 else if ( StrModality.find("DX") < StrModality.length()) return DX;
393 else if ( StrModality.find("ECG") < StrModality.length()) return ECG;
394 else if ( StrModality.find("EPS") < StrModality.length()) return EPS;
395 else if ( StrModality.find("FA") < StrModality.length()) return FA;
396 else if ( StrModality.find("FS") < StrModality.length()) return FS;
397 else if ( StrModality.find("HC") < StrModality.length()) return HC;
398 else if ( StrModality.find("HD") < StrModality.length()) return HD;
399 else if ( StrModality.find("LP") < StrModality.length()) return LP;
400 else if ( StrModality.find("LS") < StrModality.length()) return LS;
401 else if ( StrModality.find("MA") < StrModality.length()) return MA;
402 else if ( StrModality.find("MR") < StrModality.length()) return MR;
403 else if ( StrModality.find("NM") < StrModality.length()) return NM;
404 else if ( StrModality.find("OT") < StrModality.length()) return OT;
405 else if ( StrModality.find("PT") < StrModality.length()) return PT;
406 else if ( StrModality.find("RF") < StrModality.length()) return RF;
407 else if ( StrModality.find("RG") < StrModality.length()) return RG;
408 else if ( StrModality.find("RTDOSE") < StrModality.length()) return RTDOSE;
409 else if ( StrModality.find("RTIMAGE") < StrModality.length()) return RTIMAGE;
410 else if ( StrModality.find("RTPLAN") < StrModality.length()) return RTPLAN;
411 else if ( StrModality.find("RTSTRUCT")< StrModality.length()) return RTSTRUCT;
412 else if ( StrModality.find("SM") < StrModality.length()) return SM;
413 else if ( StrModality.find("ST") < StrModality.length()) return ST;
414 else if ( StrModality.find("TG") < StrModality.length()) return TG;
415 else if ( StrModality.find("US") < StrModality.length()) return US;
416 else if ( StrModality.find("VF") < StrModality.length()) return VF;
417 else if ( StrModality.find("XA") < StrModality.length()) return XA;
418 else if ( StrModality.find("XC") < StrModality.length()) return XC;
422 //throw error return value ???
423 // specified <> unknow in our database
430 //----------------------------------------------------------------------------
431 std::string gdcmHeaderHelper::GetStudyUID()
433 return GetPubElValByNumber(0x0020,0x000d); //0020 000d UI REL Study Instance UID
435 //----------------------------------------------------------------------------
436 std::string gdcmHeaderHelper::GetSeriesUID()
438 return GetPubElValByNumber(0x0020,0x000e); //0020 000e UI REL Series Instance UID
440 //----------------------------------------------------------------------------
441 std::string gdcmHeaderHelper::GetClassUID()
443 return GetPubElValByNumber(0x0008,0x0016); //0008 0016 UI ID SOP Class UID
445 //----------------------------------------------------------------------------
446 std::string gdcmHeaderHelper::GetInstanceUID()
448 return GetPubElValByNumber(0x0008,0x0018); //0008 0018 UI ID SOP Instance UID
459 gdcmSerieHeaderHelper::~gdcmSerieHeaderHelper()
462 for (std::list<gdcmHeaderHelper*>::iterator it = CoherentGdcmFileList.begin();
463 it != CoherentGdcmFileList.end(); it++)
467 CoherentGdcmFileList.clear();
469 //----------------------------------------------------------------------------
471 * \ingroup gdcmHeaderHelper
472 * \brief gets the info from 0020,0037 : Image Orientation Patient
473 * @return cosines of image orientation patient
475 void gdcmHeaderHelper::GetImageOrientationPatient( float* iop ) {
477 //iop is supposed to be float[6]
478 iop[0] = iop[1] = iop[2] = iop[3] = iop[4] = iop[5] = 0;
480 std::string StrImOriPat = GetPubElValByNumber(0x0020,0x0037); // 0020 0037 DS REL Image Orientation (Patient)
481 if (StrImOriPat != GDCM_UNFOUND) {
482 if( sscanf( StrImOriPat.c_str(), "%f\\%f\\%f\\%f\\%f\\%f",
483 &iop[0], &iop[1], &iop[2], &iop[3], &iop[4], &iop[5]) != 6) {
484 dbg.Verbose(0, "gdcmHeader::GetImageOrientationPatient: wrong Image Orientation Patient (0020,0037)");
485 return ; // bug in the element 0x0020,0x0037
492 StrImOriPat = GetPubElValByNumber(0x0020,0x0035); //0020 0035 DS REL Image Orientation (RET)
493 if (StrImOriPat != GDCM_UNFOUND) {
494 if( sscanf( StrImOriPat.c_str(), "%f\\%f\\%f\\%f\\%f\\%f",
495 &iop[0], &iop[1], &iop[2], &iop[3], &iop[4], &iop[5]) != 6) {
496 dbg.Verbose(0, "gdcmHeader::GetImageOrientationPatient: wrong Image Orientation Patient (0020,0035)");
497 return ; // bug in the element 0x0020,0x0035
504 //----------------------------------------------------------------------------
506 * \ingroup gdcmHeaderHelper
507 * \brief add a gdcmFile to the list based on file name
509 void gdcmSerieHeaderHelper::AddFileName(std::string filename)
511 gdcmHeaderHelper *GdcmFile = new gdcmHeaderHelper( filename.c_str() );
512 this->CoherentGdcmFileList.push_back( GdcmFile );
514 //----------------------------------------------------------------------------
516 * \ingroup gdcmHeaderHelper
517 * \brief add a gdcmFile to the list
519 void gdcmSerieHeaderHelper::AddGdcmFile(gdcmHeaderHelper *file)
521 this->CoherentGdcmFileList.push_back( file );
523 //----------------------------------------------------------------------------
525 * \ingroup gdcmHeaderHelper
528 void gdcmSerieHeaderHelper::SetDirectory(std::string dir)
530 std::list<std::string> filenames_list;
531 GetDir(dir, filenames_list); //OS specific
533 for(std::list<std::string>::iterator it = filenames_list.begin(); it !=
534 filenames_list.end(); it++)
536 gdcmHeaderHelper *file = new gdcmHeaderHelper( it->c_str() );
537 this->CoherentGdcmFileList.push_back( file );
540 //----------------------------------------------------------------------------
541 //This could be implemented in a 'Strategy Pattern' approach
542 //But as I don't know how to do it, I leave it this way
543 //BTW, this is also a Strategy, I don't know this is the best approach :)
544 void gdcmSerieHeaderHelper::OrderGdcmFileList()
546 if( ImagePositionPatientOrdering() )
550 else if( ImageNumberOrdering() )
559 //----------------------------------------------------------------------------
561 * \ingroup gdcmHeaderHelper
563 We may order, considering :
565 -# Image Position Patient
568 //based on Jolinda's algorithm
569 bool gdcmSerieHeaderHelper::ImagePositionPatientOrdering()
571 //iop is calculated based on the file file
572 float *cosines = new float[6];
579 std::vector<float> distlist;
581 //!\todo rewrite this for loop.
582 for (std::list<gdcmHeaderHelper*>::iterator it = CoherentGdcmFileList.begin();
583 it != CoherentGdcmFileList.end(); it++)
586 (*it)->GetImageOrientationPatient(cosines);
588 //You only have to do this once for all slices in the volume. Next, for
589 //each slice, calculate the distance along the slice normal using the IPP
590 //tag ("dist" is initialized to zero before reading the first slice) :
591 normal[0] = cosines[1]*cosines[5] - cosines[2]*cosines[4];
592 normal[1] = cosines[2]*cosines[3] - cosines[0]*cosines[5];
593 normal[2] = cosines[0]*cosines[4] - cosines[1]*cosines[3];
595 ipp[0] = (*it)->GetXOrigin();
596 ipp[1] = (*it)->GetYOrigin();
597 ipp[2] = (*it)->GetZOrigin();
600 for (int i = 0; i < 3; ++i)
601 dist += normal[i]*ipp[i];
609 distlist.push_back( dist );
615 ipp[0] = (*it)->GetXOrigin();
616 ipp[1] = (*it)->GetYOrigin();
617 ipp[2] = (*it)->GetZOrigin();
620 for (int i = 0; i < 3; ++i)
621 dist += normal[i]*ipp[i];
630 distlist.push_back( dist );
632 min = (min < dist) ? min : dist;
633 max = (max > dist) ? max : dist;
638 //Then I order the slices according to the value "dist". Finally, once
639 //I've read in all the slices, I calculate the z-spacing as the difference
640 //between the "dist" values for the first two slices.
641 std::vector<gdcmHeaderHelper*> CoherentGdcmFileVector(n);
642 //CoherentGdcmFileVector.reserve( n );
643 CoherentGdcmFileVector.resize( n );
644 //assert( CoherentGdcmFileVector.capacity() >= n );
646 float step = (max - min)/(n - 1);
650 //VC++ don't understand what scope is !! it -> it2
651 for (std::list<gdcmHeaderHelper*>::iterator it2 = CoherentGdcmFileList.begin();
652 it2 != CoherentGdcmFileList.end(); it2++, n++)
655 //Assumption: all files are present (no one missing)
656 pos = (int)( fabs( (distlist[n]-min)/step) + .5 );
658 CoherentGdcmFileVector[pos] = *it2;
661 CoherentGdcmFileList.clear(); //this doesn't delete list's element, node only
663 //VC++ don't understand what scope is !! it -> it3
664 for (std::vector<gdcmHeaderHelper*>::iterator it3 = CoherentGdcmFileVector.begin();
665 it3 != CoherentGdcmFileVector.end(); it3++)
667 CoherentGdcmFileList.push_back( *it3 );
671 CoherentGdcmFileVector.clear();
676 //----------------------------------------------------------------------------
677 //Based on Image Number
678 bool gdcmSerieHeaderHelper::ImageNumberOrdering()
681 int n = 0;//CoherentGdcmFileList.size(); //O(N) operation !!
682 unsigned char *partition;
684 std::list<gdcmHeaderHelper*>::iterator it = CoherentGdcmFileList.begin();
685 min = max = (*it)->GetImageNumber();
687 for (; it != CoherentGdcmFileList.end(); it++, n++)
689 pos = (*it)->GetImageNumber();
692 min = (min < pos) ? min : pos;
695 //bzeros(partition, n); //Cette fonction est déconseillée, utilisez plutôt memset.
696 partition = new unsigned char[n];
697 memset(partition, 0, n);
699 std::vector<gdcmHeaderHelper*> CoherentGdcmFileVector(n);
701 //VC++ don't understand what scope is !! it -> it2
702 for (std::list<gdcmHeaderHelper*>::iterator it2 = CoherentGdcmFileList.begin();
703 it2 != CoherentGdcmFileList.end(); it2++)
705 pos = (*it2)->GetImageNumber();
706 CoherentGdcmFileVector[pos - min] = *it2;
707 partition[pos - min]++;
711 for(int i=0; i<n ; i++)
713 mult *= partition[i];
716 //VC++ don't understand what scope is !! it -> it3
717 CoherentGdcmFileList.clear(); //this doesn't delete list's element, node only
718 for (std::vector<gdcmHeaderHelper*>::iterator it3 = CoherentGdcmFileVector.begin();
719 it3 != CoherentGdcmFileVector.end(); it3++)
721 CoherentGdcmFileList.push_back( *it3 );
723 CoherentGdcmFileVector.clear();
728 //----------------------------------------------------------------------------
729 bool gdcmSerieHeaderHelper::FileNameOrdering()
732 //sort(CoherentGdcmFileList.begin(), CoherentGdcmFileList.end());
735 //----------------------------------------------------------------------------
736 std::list<gdcmHeaderHelper*> &gdcmSerieHeaderHelper::GetGdcmFileList()
738 return CoherentGdcmFileList;
740 //----------------------------------------------------------------------------