ITK  5.4.0
Insight Toolkit
SphinxExamples/src/Core/Common/CreateAnotherInstanceOfAFilter/Code.cxx
/*=========================================================================
*
* Copyright NumFOCUS
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#include "itkImage.h"
template <class TImage>
void
CreateImage(typename TImage::Pointer image)
{
using ImageType = TImage;
typename ImageType::IndexType start;
start.Fill(0);
typename ImageType::SizeType size;
size.Fill(2);
typename ImageType::RegionType region(start, size);
image->SetRegions(region);
image->Allocate();
image->FillBuffer(-2);
}
int
main()
{
constexpr unsigned int Dimension = 2;
using PixelType = double;
auto filter = FilterType::New();
FilterType::Pointer filter2 = dynamic_cast<FilterType *>(filter->CreateAnother().GetPointer());
auto image = ImageType::New();
CreateImage<ImageType>(image);
filter2->SetInput(image);
filter2->Update();
index.Fill(0);
std::cout << filter2->GetOutput()->GetPixel(index) << std::endl;
return EXIT_SUCCESS;
}
Pointer
SmartPointer< Self > Pointer
Definition: itkAddImageFilter.h:93
itk::Index
Represent a n-dimensional index in a n-dimensional image.
Definition: itkIndex.h:70
itk::GTest::TypedefsAndConstructors::Dimension2::SizeType
ImageBaseType::SizeType SizeType
Definition: itkGTestTypedefsAndConstructors.h:49
itkImage.h
itk::Index::Fill
void Fill(IndexValueType value)
Definition: itkIndex.h:274
itk::Size::Fill
void Fill(SizeValueType value)
Definition: itkSize.h:213
itk::GTest::TypedefsAndConstructors::Dimension2::IndexType
ImageBaseType::IndexType IndexType
Definition: itkGTestTypedefsAndConstructors.h:50
itkAbsImageFilter.h
itk::GTest::TypedefsAndConstructors::Dimension2::RegionType
ImageBaseType::RegionType RegionType
Definition: itkGTestTypedefsAndConstructors.h:54
itk::AbsImageFilter
Computes the absolute value of each pixel.
Definition: itkAbsImageFilter.h:66
itk::Image
Templated n-dimensional image class.
Definition: itkImage.h:88
New
static Pointer New()
itk::GTest::TypedefsAndConstructors::Dimension2::Dimension
constexpr unsigned int Dimension
Definition: itkGTestTypedefsAndConstructors.h:44