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| <div class="floatcenter">[[File:ITK_Examples_Baseline_Iterators_TestLineIterator.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| | {{warning|1=The media wiki content on this page is no longer maintained.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. |
| ==LineIterator.cxx==
| | }} |
| <source lang="cpp">
| |
| #include "itkImage.h"
| |
| #include "itkRGBPixel.h"
| |
| #include "itkImageFileReader.h"
| |
| #include "itkImageRegionIterator.h"
| |
| #include "itkLineIterator.h"
| |
| | |
| #include "itksys/SystemTools.hxx"
| |
| | |
| #include "QuickView.h"
| |
| | |
| typedef itk::RGBPixel<unsigned char> PixelType;
| |
| typedef itk::Image<PixelType, 2> ImageType;
| |
| | |
| static void CreateImage(ImageType::Pointer image);
| |
| | |
| int main(int argc, char*argv[])
| |
| { | |
| ImageType::Pointer image = ImageType::New();
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| std::string inputFilename;
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| if (argc < 2)
| |
| {
| |
| CreateImage(image);
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| inputFilename = "Synthetic";
| |
| }
| |
| else
| |
| {
| |
| typedef itk::ImageFileReader<ImageType> ReaderType;
| |
| ReaderType::Pointer reader = ReaderType::New();
| |
| reader->SetFileName (argv[1]);
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| reader->Update();
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| image = reader->GetOutput();
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| inputFilename = argv[1];
| |
| }
| |
| | |
| PixelType pixel;
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| pixel.SetRed(255);
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| pixel.SetGreen(127);
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| pixel.SetBlue(50);
| |
| | |
| ImageType::RegionType region = image->GetLargestPossibleRegion();
| |
| ImageType::IndexType corner1 = region.GetIndex();
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| ImageType::IndexType corner2;
| |
| | |
| corner2[0] = corner1[0] + region.GetSize()[0] - 1;
| |
| corner2[1] = corner1[1] + region.GetSize()[1] - 1;
| |
| | |
| itk::LineIterator<ImageType> it1(image, corner1, corner2);
| |
| it1.GoToBegin();
| |
| while (!it1.IsAtEnd())
| |
| {
| |
|
| |
| it1.Set(pixel);
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| ++it1;
| |
| }
| |
| | |
| QuickView viewer;
| |
| if (argc > 1) | |
| {
| |
| viewer.AddImage<ImageType>(
| |
| image,
| |
| true,
| |
| itksys::SystemTools::GetFilenameName(argv[1]));
| |
| }
| |
| else
| |
| {
| |
| viewer.AddImage<ImageType>(
| |
| image,
| |
| true,
| |
| "Synthetic");
| |
| }
| |
| viewer.Visualize();
| |
| | |
| return EXIT_SUCCESS;
| |
| }
| |
| | |
| void CreateImage(ImageType::Pointer image)
| |
| {
| |
| ImageType::SizeType regionSize;
| |
| regionSize.Fill(100);
| |
| | |
| ImageType::IndexType regionIndex;
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| regionIndex.Fill(0);
| |
| | |
| ImageType::RegionType region;
| |
| region.SetSize(regionSize);
| |
| region.SetIndex(regionIndex);
| |
| | |
| PixelType pixel;
| |
| pixel.SetRed(0);
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| pixel.SetGreen(127);
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| pixel.SetBlue(200);
| |
| | |
| image->SetRegions(region);
| |
| image->Allocate();
| |
| image->FillBuffer(pixel);
| |
| | |
| }
| |
| </source>
| |
| | |
| {{ITKVTKCMakeLists|{{SUBPAGENAME}}}}
| |
