ITK/Examples/Inspection/PixelInspection

CheckImagePixelValue.cxx

<source lang="cpp">

1. include "itkImage.h"
2. include "itkImageFileReader.h"

int main( int argc, char * argv [] ) {

 if( argc < 4 )
   {
   std::cerr << "Usage: " << std::endl;
   std::cerr << argv[0] << " inputImageFile  x y " << std::endl;
   return EXIT_FAILURE;
   }

 typedef short        PixelType;
 const   unsigned int Dimension = 2;

 typedef itk::Image< PixelType, Dimension >  ImageType;
 typedef itk::ImageFileReader< ImageType >   ReaderType;

 ReaderType::Pointer reader = ReaderType::New();

 reader->SetFileName( argv[1]  );

 try
   {
   reader->Update();
   }
 catch( itk::ExceptionObject & err )
   {
   std::cerr << err << std::endl;
   return EXIT_FAILURE;
   }

 const ImageType * inputImage = reader->GetOutput();

 ImageType::IndexType index;

 index[0] = atoi( argv[2] );
 index[1] = atoi( argv[3] );

 const PixelType value = inputImage->GetPixel( index );

 std::cout << index << " = " << value << std::endl;

 return EXIT_SUCCESS;

} </source>

CMakeLists.txt

<source lang="cmake"> cmake_minimum_required(VERSION 2.8)

PROJECT(CheckImagePixelValue)

FIND_PACKAGE(ITK REQUIRED) INCLUDE(${ITK_USE_FILE})

ADD_EXECUTABLE(CheckImagePixelValue CheckImagePixelValue.cxx) TARGET_LINK_LIBRARIES(CheckImagePixelValue ${ITK_LIBRARIES} ) </source>