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src
geom
ellipses
Parametric.cc
Go to the documentation of this file.
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// -*- lsst-c++ -*-
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/*
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* LSST Data Management System
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* Copyright 2008, 2009, 2010 LSST Corporation.
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*
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* This product includes software developed by the
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* LSST Project (http://www.lsst.org/).
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the LSST License Statement and
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* the GNU General Public License along with this program. If not,
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* see <http://www.lsstcorp.org/LegalNotices/>.
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*/
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#include "
lsst/afw/geom/ellipses/Parametric.h
"
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namespace
lsst
{
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namespace
afw {
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namespace
geom {
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namespace
ellipses {
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Parametric::Parametric
(
Ellipse
const
& ellipse) : _center(ellipse.getCenter()) {
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double
a
,
b
, theta;
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ellipse.
getCore
().
_assignToAxes
(
a
,
b
, theta);
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double
c =
std::cos
(theta);
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double
s =
std::sin
(theta);
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_u =
lsst::geom::Extent2D
(
a
* c,
a
* s);
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_v =
lsst::geom::Extent2D
(-
b
* s,
b
* c);
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}
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}
// namespace ellipses
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}
// namespace geom
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}
// namespace afw
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}
// namespace lsst
Parametric.h
b
table::Key< int > b
Definition
TransmissionCurve.cc:466
a
table::Key< int > a
Definition
TransmissionCurve.cc:465
lsst::afw::geom::ellipses::BaseCore::_assignToAxes
virtual void _assignToAxes(double &a, double &b, double &theta) const =0
Return the size of the bounding box for the ellipse core.
lsst::afw::geom::ellipses::Ellipse
An ellipse defined by an arbitrary BaseCore and a center point.
Definition
Ellipse.h:51
lsst::afw::geom::ellipses::Ellipse::getCore
BaseCore const & getCore() const
Return the ellipse core.
Definition
Ellipse.h:71
lsst::afw::geom::ellipses::Parametric::Parametric
Parametric(Ellipse const &ellipse)
Definition
Parametric.cc:31
std::cos
T cos(T... args)
lsst::geom::Extent2D
Extent< double, 2 > Extent2D
lsst
std::sin
T sin(T... args)
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