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/*=========================================================================
*
* 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.
*
*=========================================================================*/
#ifndef itkPolylineMaskImageFilter_h
#define itkPolylineMaskImageFilter_h
#include "itkImageToImageFilter.h"
#include "itkImageRegionIteratorWithIndex.h"
namespace itk
{
/**
* \class PolylineMaskImageFilter
* \brief Implements image masking operation constrained by a polyline on a plane
* perpendicular to certain viewing direction.
*
* This class is parameterized over the types of the input image, polyline, vector
* and output image.
*
* \ingroup ImageToImageFilter
* \ingroup ITKImageIntensity
*/
template <typename TInputImage, typename TPolyline, typename TVector, typename TOutputImage>
class ITK_TEMPLATE_EXPORT PolylineMaskImageFilter : public ImageToImageFilter<TInputImage, TOutputImage>
{
public:
ITK_DISALLOW_COPY_AND_MOVE(PolylineMaskImageFilter);
/** Standard class type aliases. */
using Self = PolylineMaskImageFilter;
using Superclass = ImageToImageFilter<TInputImage, TOutputImage>;
using Pointer = SmartPointer<Self>;
using ConstPointer = SmartPointer<const Self>;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** \see LightObject::GetNameOfClass() */
itkOverrideGetNameOfClassMacro(PolylineMaskImageFilter);
/** Number of dimensions. */
static constexpr unsigned int NDimensions = TInputImage::ImageDimension;
static constexpr unsigned int InputDimension = 3;
/** Some convenient type alias for input image. */
using InputImageType = TInputImage;
using InputImagePointer = typename InputImageType::ConstPointer;
using InputImageRegionType = typename InputImageType::RegionType;
using InputImagePixelType = typename InputImageType::PixelType;
using PointType = Point<double, 3>;
using ProjPlanePointType = Point<double, 2>;
/** Standard matrix type for this class. */
using MatrixType = Matrix<double, Self::InputDimension, Self::InputDimension>;
/** type alias for the vector type. */
using VectorType = TVector;
/** type alias for the polyline type. */
using PolylineType = TPolyline;
/** type alias for the output image. */
using OutputImageType = TOutputImage;
using OutputImagePointer = typename OutputImageType::Pointer;
using OutputImageRegionType = typename OutputImageType::RegionType;
using OutputImagePixelType = typename OutputImageType::PixelType;
/** Set input image. */
void
SetInput1(const InputImageType * input);
/** Set input polyline. */
void
SetInput2(const PolylineType * input);
/** Set/Get viewing direction vector. */
itkSetMacro(ViewVector, VectorType);
itkGetConstMacro(ViewVector, VectorType);
/** Set/Get up direction vector. */
itkSetMacro(UpVector, VectorType);
itkGetConstMacro(UpVector, VectorType);
/** Set/Get camera center point. */
itkSetMacro(CameraCenterPoint, PointType);
itkGetConstMacro(CameraCenterPoint, PointType);
/** Set/Get focal distance of the camera. */
itkSetMacro(FocalDistance, double);
itkGetConstMacro(FocalDistance, double);
/** Set/Get camera focal point on the projection plane. */
itkSetMacro(FocalPoint, ProjPlanePointType);
itkGetConstMacro(FocalPoint, ProjPlanePointType);
/** Generate 3D rotation matrix using the viewing and up vectors. */
void
GenerateRotationMatrix();
/** 3D rotation and perspective projection transform. */
ProjPlanePointType
TransformProjectPoint(PointType inputPoint);
#ifdef ITK_USE_CONCEPT_CHECKING
// Begin concept checking
itkConceptMacro(VectorHasNumericTraitsCheck, (Concept::HasNumericTraits<typename VectorType::ValueType>));
// End concept checking
#endif
protected:
PolylineMaskImageFilter();
~PolylineMaskImageFilter() override = default;
void
PrintSelf(std::ostream & os, Indent indent) const override;
void
GenerateData() override;
private:
VectorType m_ViewVector{};
VectorType m_UpVector{};
MatrixType m_RotationMatrix{};
PointType m_CameraCenterPoint{};
ProjPlanePointType m_FocalPoint{};
double m_FocalDistance{ 0.0 };
};
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
# include "itkPolylineMaskImageFilter.hxx"
#endif
#endif
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