ITK  4.9.0
Insight Segmentation and Registration Toolkit
WikiExamples/Operators/LaplacianOperator.cxx
int main(int, char*[])
{
typedef itk::LaplacianOperator<float, 2> LaplacianOperatorType;
LaplacianOperatorType laplacianOperator;
itk::Size<2> radius;
radius.Fill(1);
laplacianOperator.CreateToRadius(radius);
std::cout << "Size: " << laplacianOperator.GetSize() << std::endl;
std::cout << laplacianOperator << std::endl;
for(unsigned int i = 0; i < laplacianOperator.GetSize()[0] * laplacianOperator.GetSize()[1]; i++)
{
std::cout << laplacianOperator.GetOffset(i) << " " << laplacianOperator.GetElement(i) << std::endl;
}
return EXIT_SUCCESS;
}