1 /*=========================================================================
4 Module: $RCSfile: VTKTestWriteSeq.cxx,v $
6 Date: $Date: 2005/02/09 15:31:15 $
7 Version: $Revision: 1.1 $
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"
33 #ifndef vtkFloatingPointType
34 #define vtkFloatingPointType float
37 int VTKWriteSeqTest(vtkTesting *t, vtkImageViewer *viewer,
38 std::string const &filename,
39 std::string const &referenceFileName)
41 int retVal = 0; //by default this is an error
44 vtkGdcmReader *reader = vtkGdcmReader::New();
46 char *newFileDcm = new char[filename.size()+1];
51 sprintf(newFileDcm,filename.c_str(),i);
53 // Test the existance of the file
54 ifstream opened(newFileDcm,std::ios::in | std::ios::binary);
57 reader->AddFileName(newFileDcm);
67 vtkGdcmWriter *writer = vtkGdcmWriter::New();
68 writer->SetFilePattern("%s%02d.dcm");
69 writer->SetFilePrefix("TestWrite");
70 writer->SetFileDimensionality(2);
71 writer->SetInput(reader->GetOutput());
78 reader = vtkGdcmReader::New();
79 reader->SetFilePattern("%s%02d.dcm");
80 reader->SetFilePrefix("TestWrite");
81 reader->SetFileNameSliceOffset(0);
82 reader->SetFileNameSliceSpacing(1);
83 reader->SetDataExtent(0,0,0,0,0,fileCount-1);
87 reader->GetOutput()->GetScalarRange(range);
92 viewer->SetInput ( reader->GetOutput() );
93 viewer->OffScreenRenderingOff();
95 viewer->SetColorWindow (range[1] - range[0]);
96 viewer->SetColorLevel (0.5 * (range[1] + range[0]));
99 reader->GetOutput()->GetDimensions( dim );
100 viewer->SetSize(dim[0], dim[1]);
101 viewer->SetZSlice( 0 );
103 viewer->SetInput(NULL);
109 char *newFilePng = new char[referenceFileName.size()+1];
110 for(int j=0;j<fileCount;j++)
112 sprintf(newFilePng,referenceFileName.c_str(),j);
115 t->AddArgument("-D");
116 t->AddArgument( GDCM_DATA_ROOT );
117 t->AddArgument("-V");
118 t->AddArgument( newFilePng );
119 t->AddArgument("-T");
120 t->AddArgument( "." );
122 //----------------------------------------------------------------------
123 // Transform the image to be RGB unsigned char, due to the requests in
124 // vtkTesting processing
125 // The pipeline is broken after each process to keep maximum of memory
126 vtkImageData *image=reader->GetOutput();
128 image->Register(NULL);
130 // Get the middle slice in the image
131 int *ext=image->GetExtent();
132 vtkImageClip *clip=vtkImageClip::New();
133 clip->SetInput(image);
134 clip->SetOutputWholeExtent(ext[0],ext[1],ext[2],ext[3],j,j);
136 vtkImageTranslateExtent *translat=vtkImageTranslateExtent::New();
137 translat->SetInput(clip->GetOutput());
138 translat->SetTranslation(0,0,-j);
140 image->UnRegister(NULL);
141 image=translat->GetOutput();
143 image->Register(NULL);
144 translat->SetOutput(NULL);
148 // Set an unsigned char image
149 // Shift/Scale the image
151 vtkImageShiftScale *iss=vtkImageShiftScale::New();
152 iss->SetInput(image);
153 iss->SetOutputScalarTypeToUnsignedChar();
154 iss->SetShift(-range[0]);
155 iss->SetScale(255.0/(range[1]-range[0]));
156 iss->ClampOverflowOn();
158 image->UnRegister(NULL);
159 image=iss->GetOutput();
161 image->Register(NULL);
164 // Set 3 components to the image
165 if(image->GetNumberOfScalarComponents()==1)
167 vtkImageAppendComponents *x3=vtkImageAppendComponents::New();
172 image->UnRegister(NULL);
173 image=x3->GetOutput();
175 image->Register(NULL);
180 //----------------------------------------------------------------------
183 retVal = t->RegressionTest(image,2.0,str);
184 image->UnRegister(NULL);
186 if( retVal != vtkTesting::PASSED )
188 std::cerr << str.str();
190 str.rdbuf()->freeze(1);
192 if( retVal == vtkTesting::PASSED )
194 std::cerr << " ...Slice " << j << ": OK" << std::endl;
198 std::cerr << " ...Slice " << j << ": Failed" << std::endl;
209 int VTKTestWriteSeq(int argc, char *argv[])
214 if( std::string(argv[1]) == "-V" )
221 vtkTesting *t = vtkTesting::New();
222 vtkImageViewer *viewer;
224 viewer = vtkImageViewer::New();
230 std::cerr << "Usage: " << argv[0] << " [-V] image%d.dcm ref%d.png\n";
231 std::cerr << " -V : to view images to the screen... \n"
232 << " this mode can generate errors in the test\n";
233 std::cerr << " %d : this will be replaced by a number at execution.\n"
234 << " It will be from 0 to 9 only with a step of 1\n\n";
238 ret = VTKWriteSeqTest(t,viewer,argv[1+show],argv[2+show]);
246 // Test for all images
248 while( gdcmDataSeqImages[i] != 0 )
250 std::string filename = GDCM_DATA_ROOT;
251 filename += "/"; //doh!
252 filename += gdcmDataSeqImages[i];
253 std::cerr << "Filename: " << filename << std::endl;
255 //Extract name to find the png file matching:
256 std::string pngfile = gdcmDataSeqImages[i++];
257 std::string::size_type dot_pos = pngfile.rfind( "." );
258 pngfile = pngfile.substr(0, dot_pos).append( ".png" );
259 pngfile.insert( 0, "Baseline/");
261 ret += VTKWriteSeqTest(t,viewer,filename,pngfile);