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Ellipse.cc
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1// -*- lsst-c++ -*-
2
3/*
4 * LSST Data Management System
5 * Copyright 2008, 2009, 2010 LSST Corporation.
6 *
7 * This product includes software developed by the
8 * LSST Project (http://www.lsst.org/).
9 *
10 * This program is free software: you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation, either version 3 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the LSST License Statement and
21 * the GNU General Public License along with this program. If not,
22 * see <http://www.lsstcorp.org/LegalNotices/>.
23 */
25
26namespace lsst {
27namespace afw {
28namespace geom {
29namespace ellipses {
30
33 r.head<3>() = _core->getParameterVector();
34 r.tail<2>() = _center.asEigen();
35 return r;
36}
37
39 _core->setParameterVector(vector.head<3>());
40 _center = lsst::geom::Point2D(vector.tail<2>());
41}
42
43void Ellipse::readParameters(double const* iter) {
44 _core->readParameters(iter);
45 _center.setX(iter[3]);
46 _center.setY(iter[4]);
47}
48
49void Ellipse::writeParameters(double* iter) const {
50 _core->writeParameters(iter);
51 iter[3] = _center.getX();
52 iter[4] = _center.getY();
53}
54
57 return lsst::geom::Box2D(getCenter() - dimensions * 0.5, dimensions);
58}
59
61 _center = other.getCenter();
62 *_core = other.getCore();
63 return *this;
64}
65// Delegate to copy-assignment for backwards compatibility
66Ellipse& Ellipse::operator=(Ellipse&& other) { return *this = other; }
67
68} // namespace ellipses
69} // namespace geom
70} // namespace afw
71} // namespace lsst
lsst::geom::Extent2D computeDimensions() const
Return the size of the bounding box for the ellipse core.
Definition BaseCore.cc:129
ParameterVector const getParameterVector() const
Return the ellipse parameters as a vector.
Definition Ellipse.cc:31
void writeParameters(double *iter) const
Definition Ellipse.cc:49
Ellipse & operator=(Ellipse const &other)
Set the parameters of this ellipse from another.
Definition Ellipse.cc:60
lsst::geom::Point2D const & getCenter() const
Return the center point.
Definition Ellipse.h:62
lsst::geom::Box2D computeBBox() const
Return the bounding box of the ellipse.
Definition Ellipse.cc:55
BaseCore const & getCore() const
Return the ellipse core.
Definition Ellipse.h:71
Ellipse(BaseCore const &core, lsst::geom::Point2D const &center=lsst::geom::Point2D())
Return the transform that maps the ellipse to the unit circle.
Definition Ellipse.h:164
void readParameters(double const *iter)
Definition Ellipse.cc:43
void setParameterVector(ParameterVector const &vector)
Set the ellipse parameters from a vector.
Definition Ellipse.cc:38
Eigen::Matrix< double, 5, 1 > ParameterVector
Proxy return type for Ellipse::convolve().
Definition Ellipse.h:57
A floating-point coordinate rectangle geometry.
Definition Box.h:413
Extent< double, 2 > Extent2D
Definition Extent.h:400
Point< double, 2 > Point2D
Definition Point.h:324