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LSST Data Management Base Package
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PcdMap.h
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1/*
2 * LSST Data Management System
3 * Copyright 2017 AURA/LSST.
4 *
5 * This product includes software developed by the
6 * LSST Project (http://www.lsst.org/).
7 *
8 * This program is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation, either version 3 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the LSST License Statement and
19 * the GNU General Public License along with this program. If not,
20 * see <https://www.lsstcorp.org/LegalNotices/>.
21 */
22#ifndef ASTSHIM_PCDMAP_H
23#define ASTSHIM_PCDMAP_H
24
25#include <memory>
26#include <sstream>
27#include <stdexcept>
28#include <vector>
29
30#include "astshim/base.h"
32#include "astshim/Mapping.h"
33
34namespace ast {
35
73class PcdMap : public Mapping {
74 friend class Object;
75
76public:
87 PcdMap(double disco, std::vector<double> const &pcdcen, std::string const &options = "")
88 : Mapping(reinterpret_cast<AstMapping *>(_makeRawPcdMap(disco, pcdcen, options))) {}
89
90 virtual ~PcdMap() {}
91
93 PcdMap(PcdMap const &) = default;
94 PcdMap(PcdMap &&) = default;
95 PcdMap &operator=(PcdMap const &) = delete;
96 PcdMap &operator=(PcdMap &&) = default;
97
99 std::shared_ptr<PcdMap> copy() const { return std::static_pointer_cast<PcdMap>(copyPolymorphic()); }
100
102 double getDisco() const { return getD("Disco"); };
103
105 double getPcdCen(int axis) const { return getD(detail::formatAxisAttr("PcdCen", axis)); }
106
110 for (auto axis = 1; axis < 3; ++axis) {
111 ctr.push_back(getPcdCen(axis));
112 }
113 return ctr;
114 }
115
116protected:
117 virtual std::shared_ptr<Object> copyPolymorphic() const override {
118 return copyImpl<PcdMap, AstPcdMap>();
119 }
120
122 explicit PcdMap(AstPcdMap *rawptr) : Mapping(reinterpret_cast<AstMapping *>(rawptr)) {
123 if (!astIsAPcdMap(getRawPtr())) {
125 os << "this is a " << getClassName() << ", which is not a PcdMap";
126 throw std::invalid_argument(os.str());
127 }
128 }
129
130private:
131 AstPcdMap *_makeRawPcdMap(double disco, std::vector<double> const &pcdcen,
132 std::string const &options = "") {
133 if (pcdcen.size() != 2) {
135 os << "pcdcen.size() = " << pcdcen.size() << "; must be 2";
136 throw std::invalid_argument(os.str());
137 }
138 auto result = astPcdMap(disco, pcdcen.data(), "%s", options.c_str());
139 assertOK();
140 return result;
141 }
142};
143
144} // namespace ast
145
146#endif
py::object result
Definition _schema.cc:429
std::ostream * os
Definition Schema.cc:557
An abstract base class for objects which transform one set of coordinates to another.
Definition Mapping.h:59
Abstract base class for all AST objects.
Definition Object.h:51
double getD(std::string const &attrib) const
Get the value of an attribute as a double.
Definition Object.h:374
std::string getClassName() const
Get Class: the name of the class (e.g.
Definition Object.h:139
AstObject const * getRawPtr() const
Get the raw AST pointer.
Definition Object.h:292
A PcdMap is a non-linear Mapping which transforms 2-dimensional positions to correct for the radial d...
Definition PcdMap.h:73
PcdMap(PcdMap const &)=default
Copy constructor: make a deep copy.
double getDisco() const
Get Disco: pincushion/barrel distortion coefficient.
Definition PcdMap.h:102
PcdMap(PcdMap &&)=default
PcdMap(AstPcdMap *rawptr)
Construct a PcdMap from a raw AST pointer.
Definition PcdMap.h:122
std::vector< double > getPcdCen() const
Get PcdMap_PcdCen PcdCen for both axes: centre coordinates of pincushion/barrel distortion.
Definition PcdMap.h:108
std::shared_ptr< PcdMap > copy() const
Return a deep copy of this object.
Definition PcdMap.h:99
PcdMap & operator=(PcdMap &&)=default
double getPcdCen(int axis) const
Get PcdMap_PcdCen PcdCen(axis) for one axis: centre coordinates of pincushion/barrel distortion.
Definition PcdMap.h:105
PcdMap & operator=(PcdMap const &)=delete
PcdMap(double disco, std::vector< double > const &pcdcen, std::string const &options="")
Construct a PcdMap.
Definition PcdMap.h:87
virtual ~PcdMap()
Definition PcdMap.h:90
virtual std::shared_ptr< Object > copyPolymorphic() const override
Return a deep copy of this object.
Definition PcdMap.h:117
T data(T... args)
std::string formatAxisAttr(std::string const &name, int axis)
Format an axis-specific attribute by appending the axis index.
Definition utils.h:79
AST wrapper classes and functions.
void assertOK(AstObject *rawPtr1=nullptr, AstObject *rawPtr2=nullptr)
Throw std::runtime_error if AST's state is bad.
Definition base.cc:49
T push_back(T... args)
T size(T... args)