ellipses::Ellipse::Convolution Class Reference

A temporary-only expression object for ellipse convolution. More...

#include <Convolution.h>

Public Types
typedef Eigen::Matrix< double, 5, 5 >	DerivativeMatrix
	Matrix type for derivative with respect to input ellipse parameters. More...

Public Member Functions
	Convolution (Ellipse &self, Ellipse const &other)
	Standard constructor. More...
std::shared_ptr< Ellipse >	copy () const
	Return a new convolved ellipse. More...
void	inPlace ()
	Convolve the ellipse in-place. More...
DerivativeMatrix	d () const
	Return the derivative of convolved ellipse with respect to self. More...

Public Attributes
Ellipse &	self
Ellipse const &	other

Detailed Description

A temporary-only expression object for ellipse convolution.

Definition at line 72 of file Convolution.h.

Member Typedef Documentation

DerivativeMatrix

typedef Eigen::Matrix<double, 5, 5> ellipses::Ellipse::Convolution::DerivativeMatrix

Matrix type for derivative with respect to input ellipse parameters.

Definition at line 75 of file Convolution.h.

Constructor & Destructor Documentation

Convolution()

ellipses::Ellipse::Convolution::Convolution ( Ellipse &  self, Ellipse const &  other  )

inline

Standard constructor.

Definition at line 78 of file Convolution.h.

: self(self), other(other) {}

Member Function Documentation

copy()

std::shared_ptr< Ellipse > ellipses::Ellipse::Convolution::copy

(

)

const

Return a new convolved ellipse.

Definition at line 58 of file Convolution.cc.

                                                      {
    return std::make_shared<Ellipse>(
            self.getCore().convolve(other.getCore()).copy(),
            lsst::geom::Point2D(self.getCenter() + lsst::geom::Extent2D(other.getCenter())));
}

d()

Ellipse::Convolution::DerivativeMatrix ellipses::Ellipse::Convolution::d

(

)

const

Return the derivative of convolved ellipse with respect to self.

Definition at line 69 of file Convolution.cc.

                                                               {
    Ellipse::Convolution::DerivativeMatrix result = Ellipse::Convolution::DerivativeMatrix::Identity();
    result.block<3, 3>(0, 0) = self.getCore().convolve(other.getCore()).d();
    return result;
}

inPlace()

void ellipses::Ellipse::Convolution::inPlace

(

)

Convolve the ellipse in-place.

Definition at line 64 of file Convolution.cc.

                                 {
    self.getCore().convolve(other.getCore()).inPlace();
    self.setCenter(self.getCenter() + lsst::geom::Extent2D(other.getCenter()));
}

Member Data Documentation

other

Ellipse const& ellipses::Ellipse::Convolution::other

Definition at line 90 of file Convolution.h.

self

Ellipse& ellipses::Ellipse::Convolution::self

Definition at line 89 of file Convolution.h.

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The documentation for this class was generated from the following files:

• /j/snowflake/release/lsstsw/stack/Linux64/afw/18.1.0/include/lsst/afw/geom/ellipses/Convolution.h
• /j/snowflake/release/lsstsw/stack/Linux64/afw/18.1.0/src/geom/ellipses/Convolution.cc