1 /*=========================================================================
4 Module: $RCSfile: exReadWriteFile.cxx,v $
6 Date: $Date: 2005/02/09 14:00:41 $
7 Version: $Revision: 1.2 $
9 Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
10 l'Image). All rights reserved. See Doc/License.txt or
11 http://www.creatis.insa-lyon.fr/Public/Gdcm/License.html for details.
13 This software is distributed WITHOUT ANY WARRANTY; without even
14 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
15 PURPOSE. See the above copyright notices for more information.
17 =========================================================================*/
20 #include "gdcmFileHelper.h"
21 #include "gdcmDocument.h"
22 #include "gdcmValEntry.h"
23 #include "gdcmBinEntry.h"
24 #include "gdcmSeqEntry.h"
27 int main(int argc, char *argv[])
31 std::cout << " --- WARNING --- WARNING --- WARNING --- WARNING ---" <<std::endl;
32 std::cout << " " <<std::endl;
33 std::cout << " This source program is NOT intendend to be run as is"<<std::endl;
34 std::cout << " " <<std::endl;
35 std::cout << " It just shows a set of possible uses." <<std::endl;
36 std::cout << "User MUST read it, " <<std::endl;
37 std::cout << " comment out the useless parts " <<std::endl;
38 std::cout << " invoke it with an ad hoc image(*) " <<std::endl;
39 std::cout << " check the resulting image " <<std::endl;
40 std::cout << " " <<std::endl;
41 std::cout << " (*) For samples, user can refer to gdcmData" <<std::endl;
42 std::cout << " and read README.txt file " <<std::endl;
43 std::cout << " " <<std::endl;
44 std::cout << "This source program will be splitted into smaller elementary"
45 << " programs" <<std::endl;
46 std::cout << " " <<std::endl;
47 std::cout << " --- WARNING --- WARNING --- WARNING --- WARNING ---" <<std::endl;
51 std::cerr << "Usage :" << std::endl <<
52 argv[0] << " input_dicom output_dicom" << std::endl;
56 std::string filename = argv[1];
57 std::string output = argv[2];
59 // First, let's create a gdcm::File
60 // that will contain all the Dicom Field but the Pixels Element
62 gdcm::File *f1= new gdcm::File( filename );
65 // Ask content to be printed
66 std::cout << std::endl
67 << "--- Standard Print -------------------------------------------"
69 f1->SetPrintLevel(2); // to have a nice output
70 //f1->SetPrintLevel(1);
71 f1->Print(); // user may comment out if too much verbose
74 // User asks for field by field Printing
76 std::cout << std::endl
77 << "--- Display only human readable values -----------------------"
80 gdcm::ValEntry *valEntry;
85 std::string vr; // value representation
86 std::string vm; // value multiplicity
87 std::string name; // held in the Dicom Dictionary
90 gdcm::DocEntry *d = f1->GetFirstEntry();
93 // We skip SeqEntries, since user cannot do much with them
94 if ( !(dynamic_cast<gdcm::SeqEntry*>(d))
95 // We skip Shadow Groups, since nobody knows what they mean
96 && !( d->GetGroup()%2 )
97 // we skip BinEntries, since their content is not human-readable
98 && !dynamic_cast<gdcm::BinEntry*>(d) )
100 // If user just 'wants to see'
102 //std::cout << std::endl;
104 // If user wants to get info about the entry
105 // (he is sure, here that DocEntry is a ValEntry)
106 valEntry = dynamic_cast<gdcm::ValEntry*>(d);
107 // Let's be carefull -maybe he commented out some previous line-
111 value = valEntry->GetValue();
112 group = valEntry->GetGroup();
113 elem = valEntry->GetElement();
114 vr = valEntry->GetVR();
115 // user wants really to know everything about entry!
116 vm = valEntry->GetVM();
117 name = valEntry->GetName();
118 offset = valEntry->GetOffset();
120 std::cout //<< std::hex << group << "," << elem
121 << valEntry->GetKey()
122 << " VR :[" << vr << "] VM : [" << vm
123 << "] name : [" << name << "]"
124 << " value : [" << value << "]"
128 d = f1->GetNextEntry();
131 std::cout << std::endl
132 << "--- Use pre-defined acessors ---------------------------------"
135 // ------ some pre-defined acessors may supply usefull informations ----
138 int linesNumber = f1->GetYSize();
139 int rawsNumber = f1->GetXSize();
140 int framesNumber = f1->GetYSize();// defaulted to 1 if not found
142 std::cout << "lines : " << linesNumber << " columns : " << rawsNumber
143 << " frames : " << framesNumber << std::endl;
146 int pixelSize = f1->GetPixelSize();
147 std::string pixelType = f1->GetPixelType();
148 bool isSigned = f1->IsSignedPixelData();
150 std::cout << "pixelSize : " << pixelSize << " pixelType : " << pixelType
151 << " signed : " << isSigned << std::endl;
153 // about pixels, too.
154 // Better you forget these ones
156 std::cout << "GetBitsStored()" << f1->GetBitsStored() << std::endl;
157 std::cout << "GetBitsAllocated()" << f1->GetBitsAllocated() << std::endl;
158 std::cout << "GetHighBitPosition()" << f1->GetHighBitPosition() << std::endl;
160 std::cout << "GetSamplesPerPixel()"
161 << f1->GetSamplesPerPixel() << std::endl;
162 std::cout << "GetPlanarConfiguration()"
163 << f1->GetPlanarConfiguration() << std::endl;
165 // about 'image geography'
167 float xs = f1->GetXSpacing();
168 float ys = f1->GetYSpacing();
169 float zs = f1->GetZSpacing(); // defaulted to 1.0 if not found
171 float xo = f1->GetXOrigin();
172 float yo = f1->GetYOrigin();
173 float zo = f1->GetZOrigin();
175 std::cout << "GetXSpacing()" << xs << std::endl;
176 std::cout << "GetYSpacing()" << ys << std::endl;
177 std::cout << "GetXSpacing()" << zs << std::endl;
179 std::cout << "GetXOrigin()" << xo << std::endl;
180 std::cout << "GetYOrigin()" << yo << std::endl;
181 std::cout << "GetZOrigin()" << zo << std::endl;
183 // about its way to store colors (if user is aware)
185 // checks Photometric Interpretation
186 std::cout << "IsMonochrome()" << f1->IsMonochrome() << std::endl;
187 std::cout << "IsYBRFull()" << f1->IsYBRFull() << std::endl;
188 std::cout << "IsPaletteColor()" << f1->IsPaletteColor() << std::endl;
189 // checks if LUT are found
190 std::cout << "HasLUT()" << f1->HasLUT() << std::endl;
192 std::cout << "GetNumberOfScalarComponents()"
193 << f1->GetNumberOfScalarComponents()<< std::endl;
194 std::cout << "GetNumberOfScalarComponentsRaw()"
195 << f1->GetNumberOfScalarComponentsRaw()<< std::endl;
198 std::cout << std::endl
199 << "--- Get values on request ------------------------------------"
201 // ------ User is aware, and wants to get fields with no accesor --------
203 std::cout << "Manufacturer :[" << f1->GetEntryValue(0x0008,0x0070)
205 std::cout << "Institution :[" << f1->GetEntryValue(0x0008,0x0080)
207 std::cout << "Patient's name :[" << f1->GetEntryValue(0x0010,0x0010)
209 std::cout << "Physician's name :[" << f1->GetEntryValue(0x0008,0x0090)
211 std::cout << "Study Date :[" << f1->GetEntryValue(0x0008,0x0020)
213 std::cout << "Study inst UID :[" << f1->GetEntryValue(0x0020,0x000d)
215 std::cout << "Serie inst UID :[" << f1->GetEntryValue(0x0020,0x000e)
217 std::cout << "Frame ref UID :[" << f1->GetEntryValue(0x0020,0x0052)
220 // ------ User wants to load the pixels---------------------------------
222 // Hope now he knows enought about the image ;-)
224 // First, create a gdcm::FileHelper
225 gdcm::FileHelper *fh1 = new gdcm::FileHelper(f1);
227 // Load the pixels, transforms LUT (if any) into RGB Pixels
228 uint8_t *imageData = fh1->GetImageData();
229 // Get the image data size
230 size_t dataSize = fh1->GetImageDataSize();
232 // Probabely, a straigh user won't load both ...
234 // Load the pixels, DO NOT transform LUT (if any) into RGB Pixels
235 uint8_t *imageDataRaw = fh1->GetImageDataRaw();
236 // Get the image data size
237 size_t dataRawSize = fh1->GetImageDataRawSize();
239 // TODO : Newbee user would appreciate any comment !
241 std::cout << "GetImageDataSize()"
242 << fh1->GetImageDataSize() << std::endl;
243 std::cout << "GetImageDataRawSize()"
244 << fh1->GetImageDataRawSize() << std::endl;
246 std::cout << "GetRGBDataSize()"
247 << fh1->GetRGBDataSize() << std::endl;
248 std::cout << "GetRawDataSize()"
249 << fh1->GetRawDataSize() << std::endl;
250 std::cout << "GetUserDataSize()"
251 << fh1->GetUserDataSize() << std::endl;
254 std::cout << std::endl
255 << "--- write a new image(1) -------------------------------------"
258 // ------ User wants write a new image without shadow groups -------------
260 gdcm::FileHelper *copy = new gdcm::FileHelper( output );
262 d = f1->GetFirstEntry();
265 // We skip SeqEntries, since user cannot do much with them
266 if ( !(dynamic_cast<gdcm::SeqEntry*>(d))
267 // We skip Shadow Groups, since nobody knows what they mean
268 && !( d->GetGroup()%2 ) )
271 if ( gdcm::BinEntry *b = dynamic_cast<gdcm::BinEntry*>(d) )
273 copy->GetFile()->InsertBinEntry( b->GetBinArea(),b->GetLength(),
274 b->GetGroup(),b->GetElement(),
277 else if ( gdcm::ValEntry *v = dynamic_cast<gdcm::ValEntry*>(d) )
279 copy->GetFile()->InsertValEntry( v->GetValue(),
280 v->GetGroup(),v->GetElement(),
285 // We skip gdcm::SeqEntries
288 d = f1->GetNextEntry();
291 std::cout << std::endl
292 << "--- write a new image(2) -------------------------------------"
295 // User knows the image is a 'color' one -RGB, YBR, Palette Color-
296 // and wants to write it as RGB
297 copy->SetImageData(imageData, dataSize);
298 copy->SetWriteModeToRGB();
299 copy->WriteDcmExplVR( output );
301 // User wants to see if there is any difference before and after writting
303 std::cout << "GetImageDataSize()"
304 << fh1->GetImageDataSize() << std::endl;
305 std::cout << "GetImageDataRawSize()"
306 << fh1->GetImageDataRawSize() << std::endl;
308 std::cout << "GetRGBDataSize()"
309 << fh1->GetRGBDataSize() << std::endl;
310 std::cout << "GetRawDataSize()"
311 << fh1->GetRawDataSize() << std::endl;
312 std::cout << "GetUserDataSize()"
313 << fh1->GetUserDataSize() << std::endl;
314 // User wants to keep the Palette Color -if any-
315 // and write the image as it was
316 copy->SetImageData(imageDataRaw, dataRawSize);
317 copy->SetWriteModeToRaw();
318 copy->WriteDcmExplVR( output );
321 std::cout << std::endl
322 << "------------------------------------------------------------"
324 // User is in a fancy mood and wants to forge a bomb image
325 // just to see how other Dicom viewers act
331 std::cout << std::endl
332 << "------------------------------------------------------------"