Loading [MathJax]/extensions/tex2jax.js
LSST Applications 28.0.0,g1653933729+a8ce1bb630,g1a997c3884+a8ce1bb630,g28da252d5a+5bd70b7e6d,g2bbee38e9b+638fca75ac,g2bc492864f+638fca75ac,g3156d2b45e+07302053f8,g347aa1857d+638fca75ac,g35bb328faa+a8ce1bb630,g3a166c0a6a+638fca75ac,g3e281a1b8c+7bbb0b2507,g4005a62e65+17cd334064,g414038480c+5b5cd4fff3,g41af890bb2+4ffae9de63,g4e1a3235cc+0f1912dca3,g6249c6f860+3c3976f90c,g80478fca09+46aba80bd6,g82479be7b0+77990446f6,g858d7b2824+78ba4d1ce1,g89c8672015+f667a5183b,g9125e01d80+a8ce1bb630,ga5288a1d22+2a6264e9ca,gae0086650b+a8ce1bb630,gb58c049af0+d64f4d3760,gc22bb204ba+78ba4d1ce1,gc28159a63d+638fca75ac,gcf0d15dbbd+32ddb6096f,gd6b7c0dfd1+3e339405e9,gda3e153d99+78ba4d1ce1,gda6a2b7d83+32ddb6096f,gdaeeff99f8+1711a396fd,gdd5a9049c5+b18c39e5e3,ge2409df99d+a5e4577cdc,ge33fd446bb+78ba4d1ce1,ge79ae78c31+638fca75ac,gf0baf85859+64e8883e75,gf5289d68f6+e1b046a8d7,gfa443fc69c+91d9ed1ecf,gfda6b12a05+8419469a56
LSST Data Management Base Package
All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Properties Friends Macros Modules Pages
Approximate.h
Go to the documentation of this file.
1// -*- LSST-C++ -*-
2#if !defined(LSST_AFW_MATH_APPROXIMATE_H)
3#define LSST_AFW_MATH_APPROXIMATE_H
4
5/*
6 * LSST Data Management System
7 * Copyright 2008-2015 AURA/LSST.
8 *
9 * This product includes software developed by the
10 * LSST Project (http://www.lsst.org/).
11 *
12 * This program is free software: you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation, either version 3 of the License, or
15 * (at your option) any later version.
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
21 *
22 * You should have received a copy of the LSST License Statement and
23 * the GNU General Public License along with this program. If not,
24 * see <https://www.lsstcorp.org/LegalNotices/>.
25 */
26#include "lsst/base.h"
27#include "lsst/geom.h"
28
29namespace lsst {
30namespace afw {
31namespace image {
32template <typename PixelT>
33class Image;
34template <typename PixelT, typename U, typename V>
35class MaskedImage;
36} // namespace image
37namespace math {
38template <typename T>
39class Approximate;
40
49public:
56
64 ApproximateControl(Style style, int orderX, int orderY = -1, bool weighting = true);
66 Style getStyle() const { return _style; }
68 void setStyle(Style const style) { _style = style; }
70 int getOrderX() const { return _orderX; }
72 void setOrderX(int const orderX) { _orderX = orderX; }
74 int getOrderY() const { return _orderY; }
76 void setOrderY(int const orderY) { _orderY = orderY; }
78 bool getWeighting() const { return _weighting; }
80 void setWeighting(bool const weighting) { _weighting = weighting; }
81
82private:
83 Style _style;
84 int _orderX;
85 int _orderY;
86 bool _weighting;
87};
88
98template <typename PixelT>
100 std::vector<double> const& y,
102 lsst::geom::Box2I const& bbox,
103 ApproximateControl const& ctrl);
104
108template <typename PixelT>
110public:
111 using OutPixelT = float;
112
114 std::vector<double> const& y,
116 lsst::geom::Box2I const& bbox,
117 ApproximateControl const& ctrl);
118 Approximate(Approximate const&) = delete;
122
124 virtual ~Approximate() = default;
126 std::shared_ptr<image::Image<OutPixelT>> getImage(int orderX = -1, int orderY = -1) const {
127 return doGetImage(orderX, orderY);
128 }
131 return doGetMaskedImage(orderX, orderY);
132 }
133
134protected:
139 std::vector<double> const& y,
140 lsst::geom::Box2I const& bbox,
141 ApproximateControl const& ctrl
142 )
143 : _xVec(x), _yVec(y), _bbox(bbox), _ctrl(ctrl) {}
144
149private:
150 virtual std::shared_ptr<image::Image<OutPixelT>> doGetImage(int orderX, int orderY) const = 0;
152};
153} // namespace math
154} // namespace afw
155} // namespace lsst
156
157#endif // LSST_AFW_MATH_APPROXIMATE_H
AmpInfoBoxKey bbox
Definition Amplifier.cc:117
table::Key< int > orderX
int y
Definition SpanSet.cc:48
Basic LSST definitions.
A class to manipulate images, masks, and variance as a single object.
Definition Statistics.h:42
Control how to make an approximation.
Definition Approximate.h:48
void setWeighting(bool const weighting)
Set whether inverse variance weighting will be used in calculation.
Definition Approximate.h:80
int getOrderX() const
Return the order of approximation to use in the x-direction.
Definition Approximate.h:70
void setStyle(Style const style)
Set the Style.
Definition Approximate.h:68
ApproximateControl(Style style, int orderX, int orderY=-1, bool weighting=true)
ctor
bool getWeighting() const
Return whether inverse variance weighting will be used in calculation.
Definition Approximate.h:78
void setOrderX(int const orderX)
Set the order of approximation to use in the x-direction.
Definition Approximate.h:72
void setOrderY(int const orderY)
Set the order of approximation to use in the y-direction.
Definition Approximate.h:76
Style getStyle() const
Return the Style.
Definition Approximate.h:66
Style
Choose the type of approximation to use.
Definition Approximate.h:51
@ CHEBYSHEV
Use a 2-D Chebyshev polynomial.
Definition Approximate.h:53
int getOrderY() const
Return the order of approximation to use in the y-direction.
Definition Approximate.h:74
Approximate values for a MaskedImage.
ApproximateControl const _ctrl
desired approximation algorithm
std::shared_ptr< image::Image< OutPixelT > > getImage(int orderX=-1, int orderY=-1) const
Return the approximate image as a Image.
float OutPixelT
The pixel type of returned images.
virtual std::shared_ptr< image::Image< OutPixelT > > doGetImage(int orderX, int orderY) const =0
virtual ~Approximate()=default
dtor
Approximate & operator=(Approximate const &)=delete
Approximate(Approximate &&)=delete
lsst::geom::Box2I const _bbox
Domain for approximation.
Approximate(Approximate const &)=delete
std::vector< double > const _xVec
the x-values of points
virtual std::shared_ptr< image::MaskedImage< OutPixelT > > doGetMaskedImage(int orderX, int orderY) const =0
Approximate & operator=(Approximate &&)=delete
Approximate(std::vector< double > const &x, std::vector< double > const &y, lsst::geom::Box2I const &bbox, ApproximateControl const &ctrl)
Base class ctor.
std::vector< double > const _yVec
the y-values of points
friend std::shared_ptr< Approximate< PixelT > > makeApproximate(std::vector< double > const &x, std::vector< double > const &y, image::MaskedImage< PixelT > const &im, lsst::geom::Box2I const &bbox, ApproximateControl const &ctrl)
Construct a new Approximate object, inferring the type from the type of the given MaskedImage.
std::shared_ptr< image::MaskedImage< OutPixelT > > getMaskedImage(int orderX=-1, int orderY=-1) const
Return the approximate image as a MaskedImage.
An integer coordinate rectangle.
Definition Box.h:55
std::shared_ptr< Approximate< PixelT > > makeApproximate(std::vector< double > const &x, std::vector< double > const &y, image::MaskedImage< PixelT > const &im, lsst::geom::Box2I const &bbox, ApproximateControl const &ctrl)
Construct a new Approximate object, inferring the type from the type of the given MaskedImage.
g2d::python::Image< double > Image
Definition test_image.cc:14