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LSST Data Management Base Package
TimeFrame.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
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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.
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20 * see <https://www.lsstcorp.org/LegalNotices/>.
21 */
22#ifndef ASTSHIM_TIMEFRAME_H
23#define ASTSHIM_TIMEFRAME_H
24
25#include <memory>
26#include <vector>
27
29#include "astshim/Frame.h"
30
31namespace ast {
32
80class TimeFrame : public Frame {
81 friend class Object;
82
83public:
89 explicit TimeFrame(std::string const &options = "")
90 : Frame(reinterpret_cast<AstFrame *>(astTimeFrame("%s", options.c_str()))) {
91 assertOK();
92 }
93
94 virtual ~TimeFrame() {}
95
97 TimeFrame(TimeFrame const &) = default;
98 TimeFrame(TimeFrame &&) = default;
99 TimeFrame &operator=(TimeFrame const &) = delete;
101
104 return std::static_pointer_cast<TimeFrame>(copyPolymorphic());
105 }
106
123 double currentTime() const {
124 auto result = detail::safeDouble(astCurrentTime(getRawPtr()));
125 assertOK();
126 return result;
127 }
128
130 std::string getAlignTimeScale() const { return getC("AlignTimeScale"); }
131
133 double getLTOffset() const { return getD("LTOffset"); }
134
136 double getTimeOrigin() const { return getD("TimeOrigin"); }
137
139 std::string getTimeScale() const { return getC("TimeScale"); }
140
142 void setAlignTimeScale(std::string const &scale) { return setC("AlignTimeScale", scale); }
143
145 void setLTOffset(double offset) { return setD("LTOffset", offset); }
146
148 void setTimeOrigin(double origin) { return setD("TimeOrigin", origin); }
149
151 void setTimeScale(std::string const &scale) { return setC("TimeScale", scale); }
152
153protected:
154 virtual std::shared_ptr<Object> copyPolymorphic() const override {
155 return copyImpl<TimeFrame, AstTimeFrame>();
156 }
157
159 explicit TimeFrame(AstTimeFrame *rawptr) : Frame(reinterpret_cast<AstFrame *>(rawptr)) {
160 if (!astIsATimeFrame(getRawPtr())) {
162 os << "this is a " << getClassName() << ", which is not a TimeFrame";
163 throw std::invalid_argument(os.str());
164 }
165 }
166};
167
168} // namespace ast
169
170#endif
py::object result
Definition: _schema.cc:429
std::ostream * os
Definition: Schema.cc:557
Frame is used to represent a coordinate system.
Definition: Frame.h:157
PointD offset(PointD point1, PointD point2, double offset) const
Find the point which is offset a specified distance along the geodesic curve between two other points...
Definition: Frame.h:1075
Abstract base class for all AST objects.
Definition: Object.h:51
void setD(std::string const &attrib, double value)
Set the value of an attribute as a double.
Definition: Object.h:476
double getD(std::string const &attrib) const
Get the value of an attribute as a double.
Definition: Object.h:374
std::string const getC(std::string const &attrib) const
Get the value of an attribute as a string.
Definition: Object.h:361
std::string getClassName() const
Get Class: the name of the class (e.g.
Definition: Object.h:139
void setC(std::string const &attrib, std::string const &value)
Set the value of an attribute as a string.
Definition: Object.h:464
AstObject const * getRawPtr() const
Get the raw AST pointer.
Definition: Object.h:292
A TimeFrame is a specialised form of one-dimensional Frame which represents various coordinate system...
Definition: TimeFrame.h:80
virtual ~TimeFrame()
Definition: TimeFrame.h:94
TimeFrame(TimeFrame &&)=default
TimeFrame(TimeFrame const &)=default
Copy constructor: make a deep copy.
virtual std::shared_ptr< Object > copyPolymorphic() const override
Return a deep copy of this object.
Definition: TimeFrame.h:154
TimeFrame(AstTimeFrame *rawptr)
Construct a TimeFrame from a raw AST pointer.
Definition: TimeFrame.h:159
TimeFrame & operator=(TimeFrame &&)=default
void setLTOffset(double offset)
Set LTOffset: the offset of Local Time from UTC, in hours.
Definition: TimeFrame.h:145
TimeFrame & operator=(TimeFrame const &)=delete
double getTimeOrigin() const
Get TimeOrigin: the zero point for TimeFrame axis values.
Definition: TimeFrame.h:136
void setAlignTimeScale(std::string const &scale)
Set AlignTimeScale: time scale in which to align TimeFrames.
Definition: TimeFrame.h:142
double currentTime() const
Get the current system time.
Definition: TimeFrame.h:123
void setTimeOrigin(double origin)
Set TimeOrigin: the zero point for TimeFrame axis values.
Definition: TimeFrame.h:148
std::shared_ptr< TimeFrame > copy() const
Return a deep copy of this object.
Definition: TimeFrame.h:103
double getLTOffset() const
Get LTOffset: the offset of Local Time from UTC, in hours.
Definition: TimeFrame.h:133
std::string getAlignTimeScale() const
Get AlignTimeScale: time scale in which to align TimeFrames.
Definition: TimeFrame.h:130
void setTimeScale(std::string const &scale)
Set TimeScale: the timescale used by the TimeFrame.
Definition: TimeFrame.h:151
TimeFrame(std::string const &options="")
Construct a TimeFrame.
Definition: TimeFrame.h:89
std::string getTimeScale() const
Get TimeScale: the timescale used by the TimeFrame.
Definition: TimeFrame.h:139
double safeDouble(double val)
Return a double value after checking status and replacing AST__BAD with nan
Definition: utils.h:100
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
def scale(algorithm, min, max=None, frame=None)
Definition: ds9.py:108