ITK
5.4.0
Insight Toolkit
SphinxExamples/src/Filtering/ImageGradient/GradientOfVectorImage/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
"
#include "
itkCovariantVector.h
"
#include "
itkGradientImageFilter.h
"
#include "
itkImageRegionIterator.h
"
int
main(
int
argc,
char
* argv[])
{
// Setup types
using
VectorType
=
itk::CovariantVector<float, 2>
;
using
VectorImageType =
itk::Image<VectorType, 2>
;
auto
image =
VectorImageType::New
();
itk::Size<2>
size;
size[0] = 5;
size[1] = 5;
itk::Index<2>
index;
index[0] = 0;
index[1] = 0;
VectorImageType::RegionType
region;
region.
SetSize
(size);
region.SetIndex(index);
image->SetRegions(region);
image->Allocate();
itk::ImageRegionIterator<VectorImageType>
iterator(image, region);
while
(!iterator.
IsAtEnd
())
{
}
// Create and setup a gradient filter
using
GradientFilterType =
itk::GradientImageFilter<VectorImageType, VectorType>
;
auto
gradientFilter =
GradientFilterType::New
();
gradientFilter->SetInput(image);
gradientFilter->Update();
return
EXIT_SUCCESS;
}
itk::Index
Represent a n-dimensional index in a n-dimensional image.
Definition:
itkIndex.h:70
itkCovariantVector.h
itk::Size< 2 >
itk::GTest::TypedefsAndConstructors::Dimension2::VectorType
ImageBaseType::SpacingType VectorType
Definition:
itkGTestTypedefsAndConstructors.h:53
itkImage.h
itkImageRegionIterator.h
itk::ImageConstIterator::IsAtEnd
bool IsAtEnd() const
Definition:
itkImageConstIterator.h:377
itk::ImageRegionIterator
A multi-dimensional iterator templated over image type that walks a region of pixels.
Definition:
itkImageRegionIterator.h:80
itk::GTest::TypedefsAndConstructors::Dimension2::RegionType
ImageBaseType::RegionType RegionType
Definition:
itkGTestTypedefsAndConstructors.h:54
itk::GradientImageFilter
Computes the gradient of an image using directional derivatives.
Definition:
itkGradientImageFilter.h:66
itk::CovariantVector
A templated class holding a n-Dimensional covariant vector.
Definition:
itkCovariantVector.h:70
itkGradientImageFilter.h
itk::Image
Templated n-dimensional image class.
Definition:
itkImage.h:88
New
static Pointer New()
itk::ImageRegion::SetSize
void SetSize(const SizeType &size)
Definition:
itkImageRegion.h:174
Generated on
unknown
for ITK by
1.8.16