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| ==QuickViewDemo.cxx== | | ==QuickViewDemo.cxx== |
| <source lang="cpp"> | | <source lang="cpp"> |
| Line 36: |
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| } | | } |
| </source> | | </source> |
|
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| ==QuickView.h==
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| <source lang="cpp">
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| #ifndef QuickView_H
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| #define QuickView_H
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|
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| #include <vector>
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|
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| #include <itkImage.h>
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|
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| class QuickView
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| {
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| public:
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| void AddImage(itk::Image<unsigned char, 2>::Pointer image);
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| void Visualize();
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|
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| private:
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| std::vector<itk::Image<unsigned char, 2>::Pointer > Images;
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| };
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|
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| #endif
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|
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| </source>
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|
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| ==QuickView.cxx==
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| <source lang="cpp">
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| #include "QuickView.h"
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|
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| #include "itkImage.h"
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|
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| #include "vtkImageViewer.h"
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| #include "vtkRenderWindowInteractor.h"
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| #include "vtkSmartPointer.h"
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| #include "vtkImageActor.h"
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| #include "vtkInteractorStyleImage.h"
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| #include "vtkRenderer.h"
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|
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| #include <itkImageToVTKImageFilter.h>
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|
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| void QuickView::AddImage(itk::Image<unsigned char, 2>::Pointer image)
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| {
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| this->Images.push_back(image);
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| }
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|
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| /*
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| void QuickView::Visualize()
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| {
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| // Setup the render window
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| vtkSmartPointer<vtkRenderWindow> renderWindow =
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| vtkSmartPointer<vtkRenderWindow>::New();
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| unsigned int rendererSize = 300;
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| renderWindow->SetSize(rendererSize * this->Images.size(), rendererSize);
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|
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| vtkSmartPointer<vtkRenderWindowInteractor> interactor =
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| vtkSmartPointer<vtkRenderWindowInteractor>::New();
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| interactor->SetRenderWindow(renderWindow);
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|
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|
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| typedef itk::ImageToVTKImageFilter<itk::Image<unsigned char, 2> > ConnectorType;
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| ConnectorType::Pointer connector = ConnectorType::New();
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| connector->SetInput(this->Images[0]);
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| connector->Update();
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|
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| // (xmin, ymin, xmax, ymax)
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| //double viewport[4] = {static_cast<double>(i)*step, 0.0, static_cast<double>(i+1)*step, 1.0};
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| //viewports.push_back(viewport);
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| vtkSmartPointer<vtkImageActor> actor =
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| vtkSmartPointer<vtkImageActor>::New();
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| actor->SetInput(connector->GetOutput());
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|
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| vtkSmartPointer<vtkRenderer> renderer =
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| vtkSmartPointer<vtkRenderer>::New();
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| renderWindow->AddRenderer(renderer);
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|
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| renderer->AddActor(actor);
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| renderer->ResetCamera();
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|
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| renderWindow->Render();
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|
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| vtkSmartPointer<vtkInteractorStyleImage> style =
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| vtkSmartPointer<vtkInteractorStyleImage>::New();
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| interactor->SetInteractorStyle(style);
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| interactor->Start();
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| }
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| */
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|
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|
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| void QuickView::Visualize()
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| {
| |
| // Setup the render window
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| vtkSmartPointer<vtkRenderWindow> renderWindow =
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| vtkSmartPointer<vtkRenderWindow>::New();
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| unsigned int rendererSize = 300;
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| renderWindow->SetSize(rendererSize * this->Images.size(), rendererSize);
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|
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| vtkSmartPointer<vtkRenderWindowInteractor> interactor =
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| vtkSmartPointer<vtkRenderWindowInteractor>::New();
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| interactor->SetRenderWindow(renderWindow);
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|
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| // Render all of the images
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| double step = 1./(static_cast<double>(this->Images.size()));
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| std::vector<double*> viewports;
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|
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| typedef itk::ImageToVTKImageFilter<itk::Image<unsigned char, 2> > ConnectorType;
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| std::vector<ConnectorType::Pointer> connectors; // Force the connectors to persist (not lose scope) after each iteration of the loop
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|
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| for(unsigned int i = 0; i < this->Images.size(); i++)
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| {
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|
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| ConnectorType::Pointer connector = ConnectorType::New();
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| connectors.push_back(connector);
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| connector->SetInput(this->Images[i]);
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| connector->Update();
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|
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| // (xmin, ymin, xmax, ymax)
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| double viewport[4] = {static_cast<double>(i)*step, 0.0, static_cast<double>(i+1)*step, 1.0};
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| viewports.push_back(viewport);
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| vtkSmartPointer<vtkImageActor> actor =
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| vtkSmartPointer<vtkImageActor>::New();
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| actor->SetInput(connector->GetOutput());
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|
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| // Setup both renderers
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| vtkSmartPointer<vtkRenderer> renderer =
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| vtkSmartPointer<vtkRenderer>::New();
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| renderWindow->AddRenderer(renderer);
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| renderer->SetViewport(viewports[i]);
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| //renderer->SetBackground(.6, .5, .4);
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|
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| renderer->AddActor(actor);
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| renderer->ResetCamera();
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| }
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|
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| renderWindow->Render();
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|
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| vtkSmartPointer<vtkInteractorStyleImage> style =
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| vtkSmartPointer<vtkInteractorStyleImage>::New();
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| interactor->SetInteractorStyle(style);
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| interactor->Start();
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| }
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|
| |
| </source>
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|
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|
| |
|
| ==CMakeLists.txt== | | ==CMakeLists.txt== |
QuickViewDemo.cxx
<source lang="cpp">
- include "itkImage.h"
- include "itkImageFileReader.h"
- include "itkRescaleIntensityImageFilter.h"
- include "QuickView.h"
int main(int argc, char *argv[])
{
if(argc < 2)
{
std::cerr << "Required: filename" << std::endl;
return EXIT_FAILURE;
}
typedef itk::Image<unsigned char, 2> ImageType;
typedef itk::ImageFileReader<ImageType> ReaderType;
ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName(argv[1]);
typedef itk::RescaleIntensityImageFilter< ImageType, ImageType > RescaleFilterType;
RescaleFilterType::Pointer rescaleFilter = RescaleFilterType::New();
rescaleFilter->SetInput(reader->GetOutput());
rescaleFilter->SetOutputMinimum(0);
rescaleFilter->SetOutputMaximum(255);
QuickView viewer;
viewer.AddImage(reader->GetOutput());
viewer.AddImage(rescaleFilter->GetOutput());
viewer.Visualize();
return EXIT_SUCCESS;
}
</source>
CMakeLists.txt
<source lang="cmake">
</source>
