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| <div class="floatcenter">[[File:ITK_Examples_Baseline_Smoothing_TestApproximateSignedDistanceMapImageFilter.png]]</div>
| | {{warning|1=The media wiki content on this page is no longer maintained.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. |
| ==ApproximateSignedDistanceMapImageFilter.cxx==
| | }} |
| <source lang="cpp">
| |
| #include "itkImage.h"
| |
| #include "itkImageFileReader.h"
| |
| #include "itkApproximateSignedDistanceMapImageFilter.h"
| |
| | |
| #include "itksys/SystemTools.hxx"
| |
| #include <sstream>
| |
| | |
| #include "QuickView.h"
| |
| | |
| typedef itk::Image<unsigned char, 2> UnsignedCharImageType;
| |
| typedef itk::Image<float, 2> FloatImageType;
| |
|
| |
| static void CreateImage(UnsignedCharImageType::Pointer image);
| |
| | |
| int main(int argc, char * argv[])
| |
| {
| |
| UnsignedCharImageType::Pointer image = UnsignedCharImageType::New();
| |
| if (argc < 2)
| |
| {
| |
| CreateImage(image);
| |
| }
| |
| else
| |
| {
| |
| typedef itk::ImageFileReader<UnsignedCharImageType> ReaderType;
| |
| ReaderType::Pointer reader = ReaderType::New();
| |
| reader->SetFileName(argv[1]);
| |
| reader->Update();
| |
| image = reader->GetOutput();
| |
| }
| |
| | |
| typedef itk::ApproximateSignedDistanceMapImageFilter< UnsignedCharImageType, FloatImageType > ApproximateSignedDistanceMapImageFilterType;
| |
| ApproximateSignedDistanceMapImageFilterType::Pointer approximateSignedDistanceMapImageFilter =
| |
| ApproximateSignedDistanceMapImageFilterType::New();
| |
| approximateSignedDistanceMapImageFilter->SetInput(image);
| |
| approximateSignedDistanceMapImageFilter->SetInsideValue(255);
| |
| approximateSignedDistanceMapImageFilter->SetOutsideValue(0);
| |
|
| |
| QuickView viewer;
| |
| viewer.AddImage(
| |
| image.GetPointer(),true,
| |
| argc > 1 ? itksys::SystemTools::GetFilenameName(argv[1]) : "Generated image");
| |
| | |
| std::stringstream desc;
| |
| desc << "Approximate Signed Distance";
| |
| viewer.AddImage(
| |
| approximateSignedDistanceMapImageFilter->GetOutput(),
| |
| true,
| |
| desc.str());
| |
| | |
| viewer.Visualize();
| |
| | |
| return EXIT_SUCCESS;
| |
| }
| |
| | |
| | |
| void CreateImage(UnsignedCharImageType::Pointer image)
| |
| {
| |
| // Create an image
| |
| itk::Index<2> start;
| |
| start.Fill(0);
| |
| | |
| itk::Size<2> size;
| |
| size.Fill(100);
| |
|
| |
| itk::ImageRegion<2> region(start, size); | |
| image->SetRegions(region);
| |
| image->Allocate();
| |
| image->FillBuffer(0);
| |
|
| |
| // Create a line of white pixels
| |
| for(unsigned int i = 40; i < 60; ++i)
| |
| {
| |
| itk::Index<2> pixel;
| |
| pixel.Fill(i);
| |
| image->SetPixel(pixel, 255);
| |
| }
| |
| | |
| }
| |
| </source>
| |
| | |
| {{ITKCMakeLists|{{SUBPAGENAME}}}}
| |
