ITK读图VTK显示

ITK与VTK图像显示

最新推荐文章于 2024-05-05 11:12:50 发布

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ITK 实现图像数据的读取，然后通过连接器把ITK读取的图像数据传输到VTK 然后进行显示。

#include "itkImage.h"
#include "itkImageFileReader.h"
#include "itkImageToVTKImageFilter.h"
#include "itkJPEGImageIOFactory.h"

#include "vtkSmartPointer.h"
#include "vtkImageViewer.h"
#include "vtkRenderWindowInteractor.h"
#include "vtkAutoInit.h" 
VTK_MODULE_INIT(vtkRenderingOpenGL2); // VTK was built with vtkRenderingOpenGL2
VTK_MODULE_INIT(vtkInteractionStyle);
#include "vtkImageFlip.h"
//ITK and VTK to show picture test
int main(int argc, char **argv)
{
    typedef itk::Image<unsigned char, 2> ImageType;//the type of pic
    typedef itk::ImageFileReader<ImageType> ReaderType;   //the class of read pic
    typedef itk::ImageToVTKImageFilter<ImageType> ConnectorType;  //connenct itk and vtk

    ReaderType::Pointer reader = ReaderType::New();
    ConnectorType::Pointer connector = ConnectorType::New();
    reader->SetFileName("test1.jpg");

    itk::JPEGImageIOFactory::RegisterOneFactory();

    connector->SetInput(reader->GetOutput());
    connector->Update();

    vtkSmartPointer<vtkImageFlip> imageflip = vtkSmartPointer<vtkImageFlip>::New();
    imageflip->SetInputData(connector->GetOutput());
    imageflip->SetFilteredAxes(1);//Y轴
    imageflip->Update();

    vtkSmartPointer<vtkImageViewer> viewer = vtkSmartPointer<vtkImageViewer>::New();
    vtkSmartPointer<vtkRenderWindowInteractor> interactor = vtkSmartPointer<vtkRenderWindowInteractor>::New();
    viewer->SetInputData(imageflip->GetOutput());
    viewer->SetupInteractor(interactor);
    viewer->GetRenderWindow()->SetSize(484, 300);//set window size
    viewer->SetColorWindow(255); //set window color
    viewer->SetColorLevel(128);   //set the level of window
    viewer->Render();

    interactor->Initialize();
    interactor->Start();
    return EXIT_SUCCESS;
}