1 /*=========================================================================
4 Module: $RCSfile: VTKTestWriteSeq.cxx,v $
6 Date: $Date: 2005/03/23 20:26:13 $
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 =========================================================================*/
18 #include "vtkGdcmReader.h"
19 #include "vtkGdcmWriter.h"
20 #include "vtkImageViewer.h"
21 #include "vtkImageData.h"
22 #include "vtkRegressionTestImage.h"
23 #include "vtkImageClip.h"
24 #include "vtkImageTranslateExtent.h"
25 #include "vtkImageAppendComponents.h"
26 #include "vtkImageShiftScale.h"
31 #include "gdcmDataSeqImages.h"
32 #include "gdcmDebug.h"
34 #ifndef vtkFloatingPointType
35 #define vtkFloatingPointType float
38 int VTKWriteSeqTest(vtkTesting *t, vtkImageViewer *viewer,
39 std::string const &filename,
40 std::string const &referenceFileName)
42 int retVal = 0; //by default this is an error
45 vtkGdcmReader *reader = vtkGdcmReader::New();
47 char *newFileDcm = new char[filename.size()+1];
52 sprintf(newFileDcm,filename.c_str(),i);
54 // Test the existance of the file
55 ifstream opened(newFileDcm,std::ios::in | std::ios::binary);
58 reader->AddFileName(newFileDcm);
68 vtkGdcmWriter *writer = vtkGdcmWriter::New();
69 writer->SetFilePattern("%s%02d.dcm");
70 writer->SetFilePrefix("TestWrite");
71 writer->SetFileDimensionality(2);
72 writer->SetInput(reader->GetOutput());
79 reader = vtkGdcmReader::New();
80 reader->SetFilePattern("%s%02d.dcm");
81 reader->SetFilePrefix("TestWrite");
82 reader->SetFileNameSliceOffset(0);
83 reader->SetFileNameSliceSpacing(1);
84 reader->SetDataExtent(0,0,0,0,0,fileCount-1);
88 reader->GetOutput()->GetScalarRange(range);
93 viewer->SetInput ( reader->GetOutput() );
94 viewer->OffScreenRenderingOff();
96 viewer->SetColorWindow (range[1] - range[0]);
97 viewer->SetColorLevel (0.5 * (range[1] + range[0]));
100 reader->GetOutput()->GetDimensions( dim );
101 viewer->SetSize(dim[0], dim[1]);
102 viewer->SetZSlice( 0 );
104 viewer->SetInput(NULL);
110 char *newFilePng = new char[referenceFileName.size()+1];
111 for(int j=0;j<fileCount;j++)
113 sprintf(newFilePng,referenceFileName.c_str(),j);
116 t->AddArgument("-D");
117 t->AddArgument( GDCM_DATA_ROOT );
118 t->AddArgument("-V");
119 t->AddArgument( newFilePng );
120 t->AddArgument("-T");
121 t->AddArgument( "." );
123 //----------------------------------------------------------------------
124 // Transform the image to be RGB unsigned char, due to the requests in
125 // vtkTesting processing
126 // The pipeline is broken after each process to keep maximum of memory
127 vtkImageData *image=reader->GetOutput();
129 image->Register(NULL);
131 // Get the middle slice in the image
132 int *ext=image->GetExtent();
133 vtkImageClip *clip=vtkImageClip::New();
134 clip->SetInput(image);
135 clip->SetOutputWholeExtent(ext[0],ext[1],ext[2],ext[3],j,j);
137 vtkImageTranslateExtent *translat=vtkImageTranslateExtent::New();
138 translat->SetInput(clip->GetOutput());
139 translat->SetTranslation(0,0,-j);
141 image->UnRegister(NULL);
142 image=translat->GetOutput();
144 image->Register(NULL);
145 translat->SetOutput(NULL);
149 // Set an unsigned char image
150 // Shift/Scale the image
152 vtkImageShiftScale *iss=vtkImageShiftScale::New();
153 iss->SetInput(image);
154 iss->SetOutputScalarTypeToUnsignedChar();
155 iss->SetShift(-range[0]);
156 iss->SetScale(255.0/(range[1]-range[0]));
157 iss->ClampOverflowOn();
159 image->UnRegister(NULL);
160 image=iss->GetOutput();
162 image->Register(NULL);
165 // Set 3 components to the image
166 if(image->GetNumberOfScalarComponents()==1)
168 vtkImageAppendComponents *x3=vtkImageAppendComponents::New();
173 image->UnRegister(NULL);
174 image=x3->GetOutput();
176 image->Register(NULL);
181 //----------------------------------------------------------------------
184 retVal = t->RegressionTest(image,2.0,str);
185 image->UnRegister(NULL);
187 if( retVal != vtkTesting::PASSED )
189 std::cerr << str.str();
191 str.rdbuf()->freeze(1);
193 if( retVal == vtkTesting::PASSED )
195 std::cerr << " ...Slice " << j << ": OK" << std::endl;
199 std::cerr << " ...Slice " << j << ": Failed" << std::endl;
210 int VTKTestWriteSeq(int argc, char *argv[])
215 if( std::string(argv[1]) == "-V" )
221 gdcm::Debug::DebugOn();
224 vtkTesting *t = vtkTesting::New();
225 vtkImageViewer *viewer;
227 viewer = vtkImageViewer::New();
233 std::cerr << "Usage: " << argv[0] << " [-V] image%d.dcm ref%d.png\n";
234 std::cerr << " -V : to view images to the screen... \n"
235 << " this mode can generate errors in the test\n";
236 std::cerr << " %d : this will be replaced by a number at execution.\n"
237 << " It will be from 0 to 9 only with a step of 1\n\n";
241 ret = VTKWriteSeqTest(t,viewer,argv[1+show],argv[2+show]);
249 // Test for all images
251 while( gdcmDataSeqImages[i] != 0 )
253 std::string filename = GDCM_DATA_ROOT;
254 filename += "/"; //doh!
255 filename += gdcmDataSeqImages[i];
256 std::cerr << "Filename: " << filename << std::endl;
258 //Extract name to find the png file matching:
259 std::string pngfile = gdcmDataSeqImages[i++];
260 std::string::size_type dot_pos = pngfile.rfind( "." );
261 pngfile = pngfile.substr(0, dot_pos).append( ".png" );
262 pngfile.insert( 0, "Baseline/");
264 ret += VTKWriteSeqTest(t,viewer,filename,pngfile);