1 /*=========================================================================
4 Module: $RCSfile: exReadWriteFile.cxx,v $
6 Date: $Date: 2005/02/10 20:41:19 $
7 Version: $Revision: 1.3 $
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;
82 std::string vr; // value representation
83 std::string vm; // value multiplicity
84 std::string name; // held in the Dicom Dictionary
87 gdcm::DocEntry *d = f1->GetFirstEntry();
90 // We skip SeqEntries, since user cannot do much with them
91 if ( !(dynamic_cast<gdcm::SeqEntry*>(d))
92 // We skip Shadow Groups, since nobody knows what they mean
93 && !( d->GetGroup()%2 )
94 // we skip BinEntries, since their content is not human-readable
95 && !dynamic_cast<gdcm::BinEntry*>(d) )
97 // If user just 'wants to see'
99 //std::cout << std::endl;
101 // If user wants to get info about the entry
102 // (he is sure, here that DocEntry is a ValEntry)
103 valEntry = dynamic_cast<gdcm::ValEntry*>(d);
104 // Let's be carefull -maybe he commented out some previous line-
108 value = valEntry->GetValue();
109 vr = valEntry->GetVR();
110 // user wants really to know everything about entry!
111 vm = valEntry->GetVM();
112 name = valEntry->GetName();
114 std::cout //<< std::hex << group << "," << elem
115 << valEntry->GetKey()
116 << " VR :[" << vr << "] VM : [" << vm
117 << "] name : [" << name << "]"
118 << " value : [" << value << "]"
122 d = f1->GetNextEntry();
125 std::cout << std::endl
126 << "--- Use pre-defined acessors ---------------------------------"
129 // ------ some pre-defined acessors may supply usefull informations ----
132 int linesNumber = f1->GetYSize();
133 int rawsNumber = f1->GetXSize();
134 int framesNumber = f1->GetYSize();// defaulted to 1 if not found
136 std::cout << "lines : " << linesNumber << " columns : " << rawsNumber
137 << " frames : " << framesNumber << std::endl;
140 int pixelSize = f1->GetPixelSize();
141 std::string pixelType = f1->GetPixelType();
142 bool isSigned = f1->IsSignedPixelData();
144 std::cout << "pixelSize : " << pixelSize << " pixelType : " << pixelType
145 << " signed : " << isSigned << std::endl;
147 // about pixels, too.
148 // Better you forget these ones
150 std::cout << "GetBitsStored()" << f1->GetBitsStored() << std::endl;
151 std::cout << "GetBitsAllocated()" << f1->GetBitsAllocated() << std::endl;
152 std::cout << "GetHighBitPosition()" << f1->GetHighBitPosition() << std::endl;
154 std::cout << "GetSamplesPerPixel()"
155 << f1->GetSamplesPerPixel() << std::endl;
156 std::cout << "GetPlanarConfiguration()"
157 << f1->GetPlanarConfiguration() << std::endl;
159 // about 'image geography'
161 float xs = f1->GetXSpacing();
162 float ys = f1->GetYSpacing();
163 float zs = f1->GetZSpacing(); // defaulted to 1.0 if not found
165 float xo = f1->GetXOrigin();
166 float yo = f1->GetYOrigin();
167 float zo = f1->GetZOrigin();
169 std::cout << "GetXSpacing()" << xs << std::endl;
170 std::cout << "GetYSpacing()" << ys << std::endl;
171 std::cout << "GetXSpacing()" << zs << std::endl;
173 std::cout << "GetXOrigin()" << xo << std::endl;
174 std::cout << "GetYOrigin()" << yo << std::endl;
175 std::cout << "GetZOrigin()" << zo << std::endl;
177 // about its way to store colors (if user is aware)
179 // checks Photometric Interpretation
180 std::cout << "IsMonochrome()" << f1->IsMonochrome() << std::endl;
181 std::cout << "IsYBRFull()" << f1->IsYBRFull() << std::endl;
182 std::cout << "IsPaletteColor()" << f1->IsPaletteColor() << std::endl;
183 // checks if LUT are found
184 std::cout << "HasLUT()" << f1->HasLUT() << std::endl;
186 std::cout << "GetNumberOfScalarComponents()"
187 << f1->GetNumberOfScalarComponents()<< std::endl;
188 std::cout << "GetNumberOfScalarComponentsRaw()"
189 << f1->GetNumberOfScalarComponentsRaw()<< std::endl;
192 std::cout << std::endl
193 << "--- Get values on request ------------------------------------"
195 // ------ User is aware, and wants to get fields with no accesor --------
197 std::cout << "Manufacturer :[" << f1->GetEntryValue(0x0008,0x0070)
199 std::cout << "Institution :[" << f1->GetEntryValue(0x0008,0x0080)
201 std::cout << "Patient's name :[" << f1->GetEntryValue(0x0010,0x0010)
203 std::cout << "Physician's name :[" << f1->GetEntryValue(0x0008,0x0090)
205 std::cout << "Study Date :[" << f1->GetEntryValue(0x0008,0x0020)
207 std::cout << "Study inst UID :[" << f1->GetEntryValue(0x0020,0x000d)
209 std::cout << "Serie inst UID :[" << f1->GetEntryValue(0x0020,0x000e)
211 std::cout << "Frame ref UID :[" << f1->GetEntryValue(0x0020,0x0052)
214 // ------ User wants to load the pixels---------------------------------
216 // Hope now he knows enought about the image ;-)
218 // First, create a gdcm::FileHelper
219 gdcm::FileHelper *fh1 = new gdcm::FileHelper(f1);
221 // Load the pixels, transforms LUT (if any) into RGB Pixels
222 uint8_t *imageData = fh1->GetImageData();
223 // Get the image data size
224 size_t dataSize = fh1->GetImageDataSize();
226 // Probabely, a straigh user won't load both ...
228 // Load the pixels, DO NOT transform LUT (if any) into RGB Pixels
229 uint8_t *imageDataRaw = fh1->GetImageDataRaw();
230 // Get the image data size
231 size_t dataRawSize = fh1->GetImageDataRawSize();
233 // TODO : Newbee user would appreciate any comment !
235 std::cout << "GetImageDataSize()"
236 << fh1->GetImageDataSize() << std::endl;
237 std::cout << "GetImageDataRawSize()"
238 << fh1->GetImageDataRawSize() << std::endl;
240 std::cout << "GetRGBDataSize()"
241 << fh1->GetRGBDataSize() << std::endl;
242 std::cout << "GetRawDataSize()"
243 << fh1->GetRawDataSize() << std::endl;
244 std::cout << "GetUserDataSize()"
245 << fh1->GetUserDataSize() << std::endl;
248 std::cout << std::endl
249 << "--- write a new image(1) -------------------------------------"
252 // ------ User wants write a new image without shadow groups -------------
254 gdcm::FileHelper *copy = new gdcm::FileHelper( output );
256 d = f1->GetFirstEntry();
259 // We skip SeqEntries, since user cannot do much with them
260 if ( !(dynamic_cast<gdcm::SeqEntry*>(d))
261 // We skip Shadow Groups, since nobody knows what they mean
262 && !( d->GetGroup()%2 ) )
265 if ( gdcm::BinEntry *b = dynamic_cast<gdcm::BinEntry*>(d) )
267 copy->GetFile()->InsertBinEntry( b->GetBinArea(),b->GetLength(),
268 b->GetGroup(),b->GetElement(),
271 else if ( gdcm::ValEntry *v = dynamic_cast<gdcm::ValEntry*>(d) )
273 copy->GetFile()->InsertValEntry( v->GetValue(),
274 v->GetGroup(),v->GetElement(),
279 // We skip gdcm::SeqEntries
282 d = f1->GetNextEntry();
285 std::cout << std::endl
286 << "--- write a new image(2) -------------------------------------"
289 // User knows the image is a 'color' one -RGB, YBR, Palette Color-
290 // and wants to write it as RGB
291 copy->SetImageData(imageData, dataSize);
292 copy->SetWriteModeToRGB();
293 copy->WriteDcmExplVR( output );
295 // User wants to see if there is any difference before and after writting
297 std::cout << "GetImageDataSize()"
298 << fh1->GetImageDataSize() << std::endl;
299 std::cout << "GetImageDataRawSize()"
300 << fh1->GetImageDataRawSize() << std::endl;
302 std::cout << "GetRGBDataSize()"
303 << fh1->GetRGBDataSize() << std::endl;
304 std::cout << "GetRawDataSize()"
305 << fh1->GetRawDataSize() << std::endl;
306 std::cout << "GetUserDataSize()"
307 << fh1->GetUserDataSize() << std::endl;
308 // User wants to keep the Palette Color -if any-
309 // and write the image as it was
310 copy->SetImageData(imageDataRaw, dataRawSize);
311 copy->SetWriteModeToRaw();
312 copy->WriteDcmExplVR( output );
315 std::cout << std::endl
316 << "------------------------------------------------------------"
318 // User is in a fancy mood and wants to forge a bomb image
319 // just to see how other Dicom viewers act
325 std::cout << std::endl
326 << "------------------------------------------------------------"