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/*=========================================================================
Program: Visualization Toolkit
Module: TestDICOMImageReaderFileCollection.cxx
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm 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 notice for more information.
=========================================================================*/
// .NAME Test of vtkDICOMImageReader
// .SECTION Description
//
#include "vtkSmartPointer.h"
#include "vtkDICOMImageReader.h"
#include "vtkImageData.h"
#include "vtkImageViewer2.h"
#include "vtkRenderer.h"
#include "vtkRenderWindowInteractor.h"
#include "vtkTestUtilities.h"
int TestDICOMImageReaderFileCollection(int argc, char *argv[])
{
if ( argc <= 1 )
{
cout << "Usage: " << argv[0] << " <dicom folder>" << endl;
return 1;
}
char* dirName = vtkTestUtilities::ExpandDataFileName( argc, argv, "Data/dicom/collection" );
std::string directoryName = dirName;
delete [] dirName;
vtkSmartPointer<vtkDICOMImageReader> DICOMReader =
vtkSmartPointer<vtkDICOMImageReader>::New();
// Read the input files
DICOMReader->SetDirectoryName(directoryName.c_str());
cout << "Directory name: " << DICOMReader->GetDirectoryName() << endl;
DICOMReader->Update();
// Read and display the image properties
const char* fileExtensions = DICOMReader->GetFileExtensions();
cout << "File extensions: " << fileExtensions << endl;
const char* descriptiveName = DICOMReader->GetDescriptiveName();
cout << "Descriptive name: " << descriptiveName << endl;
double* pixelSpacing = DICOMReader->GetPixelSpacing();
cout << "Pixel spacing: " << *pixelSpacing << endl;
int width = DICOMReader->GetWidth();
cout << "Image width: " << width << endl;
int height = DICOMReader->GetHeight();
cout << "Image height: " << height << endl;
float* imagePositionPatient = DICOMReader->GetImagePositionPatient();
cout << "Image position patient: " << *imagePositionPatient << endl;
float* imageOrientationPatient = DICOMReader->GetImageOrientationPatient();
cout << "Image orientation patient: " << *imageOrientationPatient << endl;
int bitsAllocated = DICOMReader->GetBitsAllocated();
cout << "Bits allocated: " << bitsAllocated << endl;
int pixelRepresentation = DICOMReader->GetPixelRepresentation();
cout << "Pixel representation: " << pixelRepresentation << endl;
int numberOfComponents = DICOMReader->GetNumberOfComponents();
cout << "Number of components: " << numberOfComponents << endl;
const char* transferSyntaxUID = DICOMReader->GetTransferSyntaxUID();
cout << "Transfer syntax UID: " << transferSyntaxUID << endl;
float rescaleSlope = DICOMReader->GetRescaleSlope();
cout << "Rescale slope: " << rescaleSlope << endl;
float rescaleOffset = DICOMReader->GetRescaleOffset();
cout << "Rescale offset: " << rescaleOffset << endl;
const char* patientName = DICOMReader->GetPatientName();
cout << "Patient name: " << patientName << endl;
const char* studyUID = DICOMReader->GetStudyUID();
cout << "Study UID: " << studyUID << endl;
const char* studyID = DICOMReader->GetStudyID();
cout << "Study ID: " << studyID << endl;
float gantryAngle = DICOMReader->GetGantryAngle();
cout << "Gantry angle: " << gantryAngle << endl;
// Display the center slice
int sliceNumber =
(DICOMReader->GetOutput()->GetExtent()[5] +
DICOMReader->GetOutput()->GetExtent()[4]) / 2;
// Visualize
vtkSmartPointer<vtkImageViewer2> imageViewer =
vtkSmartPointer<vtkImageViewer2>::New();
imageViewer->SetInputConnection(DICOMReader->GetOutputPort());
vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor =
vtkSmartPointer<vtkRenderWindowInteractor>::New();
imageViewer->SetupInteractor(renderWindowInteractor);
imageViewer->SetSlice(sliceNumber);
imageViewer->Render();
imageViewer->GetRenderer()->ResetCamera();
renderWindowInteractor->Initialize();
imageViewer->Render();
renderWindowInteractor->Start();
return 0;
}
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