1 /*=========================================================================
4 Module: $RCSfile: exReadWriteFile.cxx,v $
6 Date: $Date: 2005/10/25 14:52:28 $
7 Version: $Revision: 1.9 $
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 "gdcmDataEntry.h"
23 #include "gdcmSeqEntry.h"
25 #include <stdlib.h> // for exit
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 fields but the Pixels Element
62 gdcm::File *f1= gdcm::File::New( );
63 f1->SetFileName( filename );
67 // Ask content to be printed
68 std::cout << std::endl
69 << "--- Standard Print -------------------------------------------"
71 f1->SetPrintLevel(2); // to have a nice output
72 //f1->SetPrintLevel(1);
73 f1->Print(); // user may comment out if too much verbose
76 // User asks for field by field Printing
78 std::cout << std::endl
79 << "--- Display only human readable values -----------------------"
82 gdcm::DataEntry *dataEntry;
84 gdcm::VRKey vr; // value representation
85 std::string vm; // value multiplicity
86 std::string name; // held in the Dicom Dictionary
89 gdcm::DocEntry *d = f1->GetFirstEntry();
92 // We skip SeqEntries, since user cannot do much with them
93 if ( !(dynamic_cast<gdcm::SeqEntry*>(d))
94 // We skip Shadow Groups, since nobody knows what they mean
95 && !( d->GetGroup()%2 ) )
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 DataEntry)
103 dataEntry = dynamic_cast<gdcm::DataEntry *>(d);
104 // Let's be carefull -maybe he commented out some previous line-
108 value = dataEntry->GetString();
109 vr = dataEntry->GetVR();
110 // user wants really to know everything about entry!
111 vm = dataEntry->GetVM();
112 name = dataEntry->GetName();
114 std::cout //<< std::hex << group << "," << elem
115 << dataEntry->GetKey()
116 << " VR :[" << vr << "] VM : [" << vm
117 << "] name : [" << name << "]"
118 << " value : [" << value << "]"
121 d = f1->GetNextEntry();
124 std::cout << std::endl
125 << "--- Use pre-defined acessors ---------------------------------"
128 // ------ some pre-defined acessors may supply usefull informations ----
131 int linesNumber = f1->GetYSize();
132 int rawsNumber = f1->GetXSize();
133 int framesNumber = f1->GetYSize();// defaulted to 1 if not found
135 std::cout << "lines : " << linesNumber << " columns : " << rawsNumber
136 << " frames : " << framesNumber << std::endl;
139 int pixelSize = f1->GetPixelSize();
140 std::string pixelType = f1->GetPixelType();
141 bool isSigned = f1->IsSignedPixelData();
143 std::cout << "pixelSize : " << pixelSize << " pixelType : " << pixelType
144 << " signed : " << isSigned << std::endl;
146 // about pixels, too.
147 // Better you forget these ones
149 std::cout << "GetBitsStored()" << f1->GetBitsStored() << std::endl;
150 std::cout << "GetBitsAllocated()" << f1->GetBitsAllocated() << std::endl;
151 std::cout << "GetHighBitPosition()" << f1->GetHighBitPosition() << std::endl;
153 std::cout << "GetSamplesPerPixel()"
154 << f1->GetSamplesPerPixel() << std::endl;
155 std::cout << "GetPlanarConfiguration()"
156 << f1->GetPlanarConfiguration() << std::endl;
158 // about 'image geography'
160 float xs = f1->GetXSpacing();
161 float ys = f1->GetYSpacing();
162 float zs = f1->GetZSpacing(); // defaulted to 1.0 if not found
164 float xo = f1->GetXOrigin();
165 float yo = f1->GetYOrigin();
166 float zo = f1->GetZOrigin();
168 std::cout << "GetXSpacing()" << xs << std::endl;
169 std::cout << "GetYSpacing()" << ys << std::endl;
170 std::cout << "GetXSpacing()" << zs << std::endl;
172 std::cout << "GetXOrigin()" << xo << std::endl;
173 std::cout << "GetYOrigin()" << yo << std::endl;
174 std::cout << "GetZOrigin()" << zo << std::endl;
176 // about its way to store colors (if user is aware)
178 // checks Photometric Interpretation
179 std::cout << "IsMonochrome()" << f1->IsMonochrome() << std::endl;
180 std::cout << "IsYBRFull()" << f1->IsYBRFull() << std::endl;
181 std::cout << "IsPaletteColor()" << f1->IsPaletteColor() << std::endl;
182 // checks if LUT are found
183 std::cout << "HasLUT()" << f1->HasLUT() << std::endl;
185 std::cout << "GetNumberOfScalarComponents()"
186 << f1->GetNumberOfScalarComponents()<< std::endl;
187 std::cout << "GetNumberOfScalarComponentsRaw()"
188 << f1->GetNumberOfScalarComponentsRaw()<< std::endl;
191 std::cout << std::endl
192 << "--- Get values on request ------------------------------------"
194 // ------ User is aware, and wants to get fields with no accesor --------
196 std::cout << "Manufacturer :[" << f1->GetEntryString(0x0008,0x0070)
198 std::cout << "Institution :[" << f1->GetEntryString(0x0008,0x0080)
200 std::cout << "Patient's name :[" << f1->GetEntryString(0x0010,0x0010)
202 std::cout << "Physician's name :[" << f1->GetEntryString(0x0008,0x0090)
204 std::cout << "Study Date :[" << f1->GetEntryString(0x0008,0x0020)
206 std::cout << "Study inst UID :[" << f1->GetEntryString(0x0020,0x000d)
208 std::cout << "Serie inst UID :[" << f1->GetEntryString(0x0020,0x000e)
210 std::cout << "Frame ref UID :[" << f1->GetEntryString(0x0020,0x0052)
213 // User wants to get info about the 'real world' vs image
216 // ------ User wants to load the pixels---------------------------------
218 // Hope now he knows enought about the image ;-)
220 // First, create a gdcm::FileHelper
221 gdcm::FileHelper *fh1 = gdcm::FileHelper::New(f1);
223 // Load the pixels, transforms LUT (if any) into RGB Pixels
224 uint8_t *imageData = fh1->GetImageData();
225 // Get the image data size
226 size_t dataSize = fh1->GetImageDataSize();
228 // Probabely, a straigh user won't load both ...
230 // Load the pixels, DO NOT transform LUT (if any) into RGB Pixels
231 uint8_t *imageDataRaw = fh1->GetImageDataRaw();
232 // Get the image data size
233 size_t dataRawSize = fh1->GetImageDataRawSize();
235 // TODO : Newbee user would appreciate any comment !
237 std::cout << "GetImageDataSize()"
238 << fh1->GetImageDataSize() << std::endl;
239 std::cout << "GetImageDataRawSize()"
240 << fh1->GetImageDataRawSize() << std::endl;
242 std::cout << "GetRGBDataSize()"
243 << fh1->GetRGBDataSize() << std::endl;
244 std::cout << "GetRawDataSize()"
245 << fh1->GetRawDataSize() << std::endl;
246 std::cout << "GetUserDataSize()"
247 << fh1->GetUserDataSize() << std::endl;
250 std::cout << std::endl
251 << "--- write a new image(1) -------------------------------------"
254 // ------ User wants write a new image without shadow groups -------------
256 gdcm::FileHelper *copy = gdcm::FileHelper::New( );
257 copy->SetFileName( output );
260 d = f1->GetFirstEntry();
263 // We skip SeqEntries, since user cannot do much with them
264 if ( !(dynamic_cast<gdcm::SeqEntry*>(d))
265 // We skip Shadow Groups, since nobody knows what they mean
266 && !( d->GetGroup()%2 ) )
269 if ( gdcm::DataEntry *de = dynamic_cast<gdcm::DataEntry *>(d) )
271 copy->GetFile()->InsertEntryBinArea( de->GetBinArea(),de->GetLength(),
272 de->GetGroup(),de->GetElement(),
277 // We skip gdcm::SeqEntries
280 d = f1->GetNextEntry();
283 std::cout << std::endl
284 << "--- write a new image(2) -------------------------------------"
287 // User knows the image is a 'color' one -RGB, YBR, Palette Color-
288 // and wants to write it as RGB
289 copy->SetImageData(imageData, dataSize);
290 copy->SetWriteModeToRGB();
291 copy->WriteDcmExplVR( output );
293 // User wants to see if there is any difference before and after writting
295 std::cout << "GetImageDataSize()"
296 << fh1->GetImageDataSize() << std::endl;
297 std::cout << "GetImageDataRawSize()"
298 << fh1->GetImageDataRawSize() << std::endl;
300 std::cout << "GetRGBDataSize()"
301 << fh1->GetRGBDataSize() << std::endl;
302 std::cout << "GetRawDataSize()"
303 << fh1->GetRawDataSize() << std::endl;
304 std::cout << "GetUserDataSize()"
305 << fh1->GetUserDataSize() << std::endl;
306 // User wants to keep the Palette Color -if any-
307 // and write the image as it was
308 copy->SetImageData(imageDataRaw, dataRawSize);
309 copy->SetWriteModeToRaw();
310 copy->WriteDcmExplVR( output );
313 std::cout << std::endl
314 << "------------------------------------------------------------"
316 // User is in a fancy mood and wants to forge a bomb image
317 // just to see how other Dicom viewers act
323 std::cout << std::endl
324 << "------------------------------------------------------------"