--- /dev/null
+/*=========================================================================
+
+ Program: gdcm
+ Module: $RCSfile: VTKTestRead.cxx,v $
+ Language: C++
+ Date: $Date: 2005/01/19 10:43:01 $
+ Version: $Revision: 1.1 $
+
+ Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
+ l'Image). All rights reserved. See Doc/License.txt or
+ http://www.creatis.insa-lyon.fr/Public/Gdcm/License.html for details.
+
+ This software is distributed WITHOUT ANY WARRANTY; without even
+ the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ PURPOSE. See the above copyright notices for more information.
+
+=========================================================================*/
+#include "gdcmFile.h"
+#include "vtkGdcmReader.h"
+#include "vtkImageViewer.h"
+#include "vtkImageData.h"
+#include "vtkRegressionTestImage.h"
+#include "vtkImageClip.h"
+#include "vtkImageTranslateExtent.h"
+#include "vtkImageAppendComponents.h"
+#include "vtkImageShiftScale.h"
+
+#include <iostream>
+
+//Generated file:
+#include "gdcmDataImages.h"
+
+#ifndef vtkFloatingPointType
+#define vtkFloatingPointType float
+#endif
+
+int VTKReadTest(vtkTesting *t,vtkImageViewer *viewer,
+ std::string const & filename,
+ std::string const & referenceFileName,
+ bool show )
+{
+ int retVal = 0; //by default this is an error
+
+ t->CleanArguments();
+ t->AddArgument("-D");
+ t->AddArgument( GDCM_DATA_ROOT );
+ t->AddArgument("-V");
+ t->AddArgument( referenceFileName.c_str() );
+ t->AddArgument("-T");
+ t->AddArgument( "." );
+
+ // Instead of directly reading the dicom let's write it down to another file
+ // do a scope to be sure everything gets cleanup
+ {
+ gdcm::File file( filename );
+ file.GetImageData();
+ file.SetWriteModeToRaw();
+ file.WriteDcmExplVR( "TestWrite.dcm" );
+ }
+
+ // Ok for now still use the original image,
+ vtkGdcmReader *reader = vtkGdcmReader::New();
+ //reader->SetFileName( filename.c_str() );
+ reader->SetFileName( "TestWrite.dcm" );
+ reader->Update();
+
+ int dim[3];
+ reader->GetOutput()->GetDimensions( dim );
+
+ // Show
+ if(viewer)
+ {
+ viewer->SetInput ( reader->GetOutput() );
+
+ vtkFloatingPointType *range = reader->GetOutput()->GetScalarRange();
+ viewer->SetColorWindow (range[1] - range[0]);
+ viewer->SetColorLevel (0.5 * (range[1] + range[0]));
+
+ viewer->SetSize(dim[0], dim[1]);
+ if(dim[2] != 1)
+ {
+ //For multifame dicom, take a snapshot of the center slice (+/- 1)
+ viewer->SetZSlice( dim[2] / 2 );
+ }
+ else
+ {
+ viewer->SetZSlice( 0 );
+ }
+
+ viewer->OffScreenRenderingOff();
+ viewer->Render();
+ viewer->SetInput(NULL);
+ }
+
+ //----------------------------------------------------------------------
+ // Transform the image to be RGB unsigned char, due to the requests in
+ // vtkTesting processing
+ // The pipeline is broken after each process to keep maximum of memory
+ vtkImageData *image=reader->GetOutput();
+ image->Update();
+ image->Register(NULL);
+ reader->Delete();
+
+ // Get the middle slice in the image
+ if(dim[2] != 1)
+ {
+ int *ext=image->GetExtent();
+ vtkImageClip *clip=vtkImageClip::New();
+ clip->SetInput(image);
+ clip->SetOutputWholeExtent(ext[0],ext[1],ext[2],ext[3],
+ ext[4]+dim[2] / 2,ext[4]+dim[2] / 2);
+ vtkImageTranslateExtent *translat=vtkImageTranslateExtent::New();
+ translat->SetInput(clip->GetOutput());
+ translat->SetTranslation(0,0,-ext[4]-dim[2] / 2);
+
+ image->UnRegister(NULL);
+ image=translat->GetOutput();
+ image->Update();
+ image->Register(NULL);
+ translat->SetOutput(NULL);
+ clip->Delete();
+ translat->Delete();
+ }
+
+ // Set an unsigned char image
+ // Shift/Scale the image
+ image->Update();
+ double *rng=image->GetScalarRange();
+ vtkImageShiftScale *iss=vtkImageShiftScale::New();
+ iss->SetInput(image);
+ iss->SetOutputScalarTypeToUnsignedChar();
+ iss->SetShift(-rng[0]);
+ iss->SetScale(255.0/(rng[1]-rng[0]));
+ iss->ClampOverflowOn();
+
+ image->UnRegister(NULL);
+ image=iss->GetOutput();
+ image->Update();
+ image->Register(NULL);
+ iss->Delete();
+
+ // Set 3 components to the image
+ if(image->GetNumberOfScalarComponents()==1)
+ {
+ vtkImageAppendComponents *x3=vtkImageAppendComponents::New();
+ x3->AddInput(image);
+ x3->AddInput(image);
+ x3->AddInput(image);
+
+ image->UnRegister(NULL);
+ image=x3->GetOutput();
+ image->Update();
+ image->Register(NULL);
+ x3->SetOutput(NULL);
+ x3->Delete();
+ }
+ // End of transform
+ //----------------------------------------------------------------------
+
+ // make test
+ ostrstream str;
+ retVal = t->RegressionTest(image,0.0,str);
+ image->UnRegister(NULL);
+
+ if( retVal != vtkTesting::PASSED )
+ {
+ std::cerr << str.str();
+ }
+ str.rdbuf()->freeze(1);
+
+ if( retVal == vtkTesting::PASSED )
+ {
+ std::cerr << " ... OK" << std::endl;
+ return 0;
+ }
+ else
+ {
+ std::cerr << " ... Failed" << std::endl;
+ return 1;
+ }
+
+}
+
+int VTKTestRead(int argc, char *argv[])
+{
+ bool show = false;
+ if( argc >= 2 )
+ {
+ if( std::string(argv[1]) == "-V" )
+ {
+ show = true;
+ }
+ }
+
+ int ret = 0;
+ vtkTesting* t = vtkTesting::New();
+ vtkImageViewer *viewer;
+ if( show )
+ viewer = vtkImageViewer::New();
+ else
+ viewer = NULL;
+
+ if( argc < 3+show )
+ {
+ std::cerr << "Usage: " << argv[0] << " [-V] image.dcm ref.png\n";
+ std::cerr << " -V : to view images to the screen... \n"
+ << " this mode can generate errors in the test\n\n";
+ }
+ else
+ {
+ ret = VTKReadTest(t,viewer,argv[1+show],argv[2+show],show);
+ t->Delete();
+ viewer->Delete();
+
+ return ret;
+ }
+
+ // Test for all images
+ int i = 0;
+ while( gdcmDataImages[i] != 0 )
+ {
+ std::string filename = GDCM_DATA_ROOT;
+ filename += "/"; //doh!
+ filename += gdcmDataImages[i];
+ std::cerr << "Filename: " << filename << std::endl;
+
+ //Extract name to find the png file matching:
+ std::string pngfile = gdcmDataImages[i++];
+ //pngfile.replace(pngfile.size()-3, 3, "png");
+ //More robust approach:
+ std::string::size_type dot_pos = pngfile.rfind( "." );
+ pngfile = pngfile.substr(0, dot_pos).append( ".png" );
+ pngfile.insert( 0, "Baseline/");
+ //std::cerr << "PNG file: " << pngfile << std::endl;
+
+ ret += VTKReadTest(t,viewer,filename,pngfile,show);
+ }
+ t->Delete();
+ viewer->Delete();
+
+ return ret;
+}
git://git.creatis.insa-lyon.fr / gdcm.git / blobdiff