|
|
| (7 intermediate revisions by 2 users not shown) |
| Line 1: |
Line 1: |
| ==BinaryContourImageFilter.cxx== | | {{warning|1=The media wiki content on this page is no longer maintained. The examples presented on the https://itk.org/Wiki/* pages likely require ITK version 4.13 or earlier releases. In many cases, the examples on this page no longer conform to the best practices for modern ITK versions.}} |
| <source lang="cpp">
| |
| #include "itkImage.h"
| |
| #include "itkImageFileWriter.h"
| |
| #include "itkBinaryContourImageFilter.h"
| |
| #include "itkRescaleIntensityImageFilter.h"
| |
| | |
| #include <itkImageToVTKImageFilter.h>
| |
| | |
| #include "vtkImageViewer.h"
| |
| #include "vtkRenderWindowInteractor.h"
| |
| #include "vtkSmartPointer.h"
| |
| #include "vtkImageActor.h"
| |
| #include "vtkInteractorStyleImage.h"
| |
| #include "vtkRenderer.h"
| |
| | |
| typedef itk::Image<unsigned char, 2> ImageType;
| |
| | |
| void CreateImage(ImageType::Pointer image);
| |
| | |
| int main(int, char *[])
| |
| {
| |
| ImageType::Pointer image = ImageType::New();
| |
| CreateImage(image);
| |
| | |
| typedef itk::BinaryContourImageFilter <ImageType, ImageType >
| |
| binaryContourImageFilterType;
| |
| | |
| binaryContourImageFilterType::Pointer binaryContourFilter
| |
| = binaryContourImageFilterType::New ();
| |
| binaryContourFilter->SetInput(image);
| |
| binaryContourFilter->Update();
| |
| | |
| typedef itk::RescaleIntensityImageFilter< ImageType, ImageType > RescaleFilterType;
| |
| RescaleFilterType::Pointer rescaleFilter = RescaleFilterType::New();
| |
| rescaleFilter->SetOutputMinimum(0);
| |
| rescaleFilter->SetOutputMaximum(255);
| |
| rescaleFilter->SetInput(binaryContourFilter->GetOutput());
| |
| | |
| typedef itk::ImageToVTKImageFilter<ImageType> ConnectorType;
| |
| ConnectorType::Pointer originalConnector = ConnectorType::New();
| |
| | |
| originalConnector->SetInput(image);
| |
| | |
| vtkSmartPointer<vtkImageActor> originalActor =
| |
| vtkSmartPointer<vtkImageActor>::New();
| |
| originalActor->SetInput(originalConnector->GetOutput());
| |
| | |
| ConnectorType::Pointer boundaryConnector = ConnectorType::New();
| |
| boundaryConnector->SetInput(rescaleFilter->GetOutput());
| |
| | |
| vtkSmartPointer<vtkImageActor> boundaryActor =
| |
| vtkSmartPointer<vtkImageActor>::New();
| |
| boundaryActor->SetInput(boundaryConnector->GetOutput());
| |
| | |
| // There will be one render window
| |
| vtkSmartPointer<vtkRenderWindow> renderWindow =
| |
| vtkSmartPointer<vtkRenderWindow>::New();
| |
| renderWindow->SetSize(600, 300);
| |
| | |
| vtkSmartPointer<vtkRenderWindowInteractor> interactor =
| |
| vtkSmartPointer<vtkRenderWindowInteractor>::New();
| |
| interactor->SetRenderWindow(renderWindow);
| |
| | |
| // Define viewport ranges
| |
| // (xmin, ymin, xmax, ymax)
| |
| double leftViewport[4] = {0.0, 0.0, 0.5, 1.0};
| |
| double rightViewport[4] = {0.5, 0.0, 1.0, 1.0};
| |
| | |
| // Setup both renderers
| |
| vtkSmartPointer<vtkRenderer> leftRenderer =
| |
| vtkSmartPointer<vtkRenderer>::New();
| |
| renderWindow->AddRenderer(leftRenderer);
| |
| leftRenderer->SetViewport(leftViewport);
| |
| leftRenderer->SetBackground(.6, .5, .4);
| |
| | |
| vtkSmartPointer<vtkRenderer> rightRenderer =
| |
| vtkSmartPointer<vtkRenderer>::New();
| |
| renderWindow->AddRenderer(rightRenderer);
| |
| rightRenderer->SetViewport(rightViewport);
| |
| rightRenderer->SetBackground(.4, .5, .6); | |
| | |
| // Add the sphere to the left and the cube to the right
| |
| leftRenderer->AddActor(originalActor);
| |
| rightRenderer->AddActor(boundaryActor);
| |
| | |
| leftRenderer->ResetCamera();
| |
| rightRenderer->ResetCamera();
| |
| | |
| renderWindow->Render();
| |
| | |
| vtkSmartPointer<vtkInteractorStyleImage> style =
| |
| vtkSmartPointer<vtkInteractorStyleImage>::New();
| |
| | |
| interactor->SetInteractorStyle(style);
| |
| | |
| interactor->Start();
| |
| | |
| return EXIT_SUCCESS;
| |
| }
| |
| | |
| void CreateImage(ImageType::Pointer image)
| |
| {
| |
| // Create an image with 2 connected components
| |
| ImageType::RegionType region;
| |
| ImageType::IndexType start;
| |
| start[0] = 0;
| |
| start[1] = 0;
| |
| | |
| ImageType::SizeType size;
| |
| unsigned int NumRows = 200;
| |
| unsigned int NumCols = 300;
| |
| size[0] = NumRows;
| |
| size[1] = NumCols;
| |
| | |
| region.SetSize(size);
| |
| region.SetIndex(start);
| |
| | |
| image->SetRegions(region);
| |
| image->Allocate();
| |
| | |
| // Make a square
| |
| for(unsigned int r = 20; r < 80; r++)
| |
| {
| |
| for(unsigned int c = 30; c < 100; c++)
| |
| {
| |
| ImageType::IndexType pixelIndex;
| |
| pixelIndex[0] = r;
| |
| pixelIndex[1] = c;
| |
| | |
| image->SetPixel(pixelIndex, 255);
| |
| }
| |
| }
| |
| | |
| // Make another square
| |
| for(unsigned int r = 100; r < 130; r++)
| |
| {
| |
| for(unsigned int c = 115; c < 160; c++)
| |
| {
| |
| ImageType::IndexType pixelIndex;
| |
| pixelIndex[0] = r;
| |
| pixelIndex[1] = c;
| |
| | |
| image->SetPixel(pixelIndex, 255);
| |
| }
| |
| }
| |
| }
| |
| </source>
| |
| | |
| ==CMakeLists.txt==
| |
| <source lang="cmake">
| |
| cmake_minimum_required(VERSION 2.6)
| |
| | |
| PROJECT(BinaryContourImageFilter)
| |
| | |
| include_directories(/home/doriad/src/ITK/Wrapping/WrapITK/ExternalProjects/ItkVtkGlue/src/)
| |
| | |
| FIND_PACKAGE(VTK REQUIRED)
| |
| INCLUDE(${VTK_USE_FILE})
| |
| | |
| FIND_PACKAGE(ITK REQUIRED)
| |
| INCLUDE(${ITK_USE_FILE})
| |
| | |
| ADD_EXECUTABLE(BinaryContourImageFilter BinaryContourImageFilter.cxx)
| |
| TARGET_LINK_LIBRARIES(BinaryContourImageFilter
| |
| vtkHybrid
| |
| ITKBasicFilters ITKCommon ITKIO)
| |
| </source>
| |
