lsst::afw::math::detail::WcsPositionFunctor Class Reference

Derived functor class to transform pixel position for a destination image to its position in the source image. The transform is from one WCS to another. More...

#include <PositionFunctor.h>

Inheritance diagram for lsst::afw::math::detail::WcsPositionFunctor:

Public Types
typedef boost::shared_ptr < WcsPositionFunctor >	Ptr
Public Types inherited from lsst::afw::math::detail::PositionFunctor
typedef boost::shared_ptr < PositionFunctor >	Ptr

Public Member Functions
	WcsPositionFunctor (lsst::afw::geom::Point2D const &destXY0, lsst::afw::image::Wcs const &destWcs, lsst::afw::image::Wcs const &srcWcs)
virtual	~WcsPositionFunctor ()
virtual lsst::afw::geom::Point2D	operator() (int destCol, int destRow) const
Public Member Functions inherited from lsst::afw::math::detail::PositionFunctor
	PositionFunctor ()
virtual	~PositionFunctor ()

Private Attributes
lsst::afw::geom::Point2D const &	_destXY0
lsst::afw::image::Wcs const &	_destWcs
lsst::afw::image::Wcs const &	_srcWcs

Detailed Description

Derived functor class to transform pixel position for a destination image to its position in the source image. The transform is from one WCS to another.

Definition at line 73 of file PositionFunctor.h.

Member Typedef Documentation

typedef boost::shared_ptr<WcsPositionFunctor> lsst::afw::math::detail::WcsPositionFunctor::Ptr

Definition at line 75 of file PositionFunctor.h.

Constructor & Destructor Documentation

lsst::afw::math::detail::WcsPositionFunctor::WcsPositionFunctor ( lsst::afw::geom::Point2D const &  destXY0, lsst::afw::image::Wcs const &  destWcs, lsst::afw::image::Wcs const &  srcWcs  )

inlineexplicit

Parameters

destXY0	xy0 of destination image
destWcs	WCS of remapped image
srcWcs	WCS of source image

Definition at line 77 of file PositionFunctor.h.

          :
            PositionFunctor(),
            _destXY0(destXY0),
            _destWcs(destWcs),
            _srcWcs(srcWcs)
        {}

virtual lsst::afw::math::detail::WcsPositionFunctor::~WcsPositionFunctor ( )

inlinevirtual

Definition at line 88 of file PositionFunctor.h.

{};

Member Function Documentation

virtual lsst::afw::geom::Point2D lsst::afw::math::detail::WcsPositionFunctor::operator() ( int  destCol, int  destRow  ) const

inlinevirtual

Implements lsst::afw::math::detail::PositionFunctor.

Definition at line 90 of file PositionFunctor.h.

                                                                              {
            double const col = lsst::afw::image::indexToPosition(destCol + _destXY0[0]);
            double const row = lsst::afw::image::indexToPosition(destRow + _destXY0[1]);
            lsst::afw::geom::Angle sky1, sky2;
            _destWcs.pixelToSky(col, row, sky1, sky2);
            return _srcWcs.skyToPixel(sky1, sky2);
        }

Member Data Documentation

lsst::afw::image::Wcs const& lsst::afw::math::detail::WcsPositionFunctor::_destWcs

private

Definition at line 100 of file PositionFunctor.h.

lsst::afw::geom::Point2D const& lsst::afw::math::detail::WcsPositionFunctor::_destXY0

private

Definition at line 99 of file PositionFunctor.h.

lsst::afw::image::Wcs const& lsst::afw::math::detail::WcsPositionFunctor::_srcWcs

private

Definition at line 101 of file PositionFunctor.h.

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

• /home/lsstsw/stack/Linux64/afw/11.0-2-g04d2804/include/lsst/afw/math/detail/PositionFunctor.h