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LSST Data Management Base Package
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FrameDict.cc
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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#include <memory>
23#include <set>
24#include <sstream>
25#include <stdexcept>
26#include <unordered_map>
27
28#include "astshim/FrameDict.h"
29
30namespace ast {
31
32void FrameDict::addFrame(int iframe, Mapping const &map, Frame const &frame) {
33 if (hasDomain(frame.getDomain())) {
34 throw std::invalid_argument("A frame already exists with domain " + frame.getDomain());
35 }
36 auto copy = getFrameSet();
37 copy->addFrame(iframe, map, frame);
38 _update(*copy);
39}
40
41void FrameDict::addFrame(std::string const &domain, Mapping const &map, Frame const &frame) {
42 addFrame(getIndex(domain), map, frame);
43}
44
47 for (auto const &item : _domainIndexDict) {
48 domains.emplace(item.first);
49 }
50 return domains;
51}
52
53void FrameDict::removeFrame(int iframe) {
54 auto copy = getFrameSet();
55 copy->removeFrame(iframe);
56 _update(*copy);
57}
58
59void FrameDict::removeFrame(std::string const &domain) { removeFrame(getIndex(domain)); }
60
61void FrameDict::setDomain(std::string const &domain) {
62 if (getDomain() == domain) {
63 // null rename
64 return;
65 }
66 if (hasDomain(domain)) {
67 throw std::invalid_argument("Another framea already has domain name " + domain);
68 }
69 auto copy = getFrameSet();
70 copy->setDomain(domain);
71 _update(*copy);
72}
73
74FrameDict::FrameDict(AstFrameSet *rawptr) : FrameSet(rawptr), _domainIndexDict() {
75 _domainIndexDict = _makeNewDict(*this);
76}
77
78std::unordered_map<std::string, int> FrameDict::_makeNewDict(FrameSet const &frameSet) {
80 for (int index = 1, end = frameSet.getNFrame(); index <= end; ++index) {
81 auto const domain = frameSet.getFrame(index, false)->getDomain();
82 if (domain.empty()) {
83 continue;
84 } else if (dict.count(domain) > 0) {
85 throw std::invalid_argument("More than one frame with domain " + domain);
86 }
87 dict[domain] = index;
88 }
89 return dict;
90}
91
92} // namespace ast
void addFrame(int iframe, Mapping const &map, Frame const &frame) override
Add a new Frame and an associated Mapping to this FrameSet so as to define a new coordinate system,...
Definition FrameDict.cc:32
bool hasDomain(std::string const &domain) const
Return True if a frame in this FrameDict has the specified domain.
Definition FrameDict.h:201
std::shared_ptr< FrameDict > copy() const
Return a deep copy of this object.
Definition FrameDict.h:123
std::set< std::string > getAllDomains() const
Get the domain names for all contained Frames (excluding frames with empty or defaulted domain names)...
Definition FrameDict.cc:45
std::shared_ptr< FrameSet > getFrameSet() const
Return a deep copy as a FrameSet.
Definition FrameDict.h:273
void removeFrame(int iframe) override
Remove a Frame from a FrameSet.
Definition FrameDict.cc:53
int getIndex(std::string const &domain) const
Get the index of a frame specified by domain.
Definition FrameDict.h:189
void setDomain(std::string const &domain) override
Set the domain of the current frame (and update the internal dict).
Definition FrameDict.cc:61
std::string getDomain() const
Get Domain: coordinate system domain.
Definition Frame.h:827
A FrameSet consists of a set of one or more Frames (which describe coordinate systems),...
Definition FrameSet.h:99
FrameSet(Frame const &frame, std::string const &options="")
Construct a FrameSet from a Frame.
Definition FrameSet.h:117
std::shared_ptr< Frame > getFrame(int iframe, bool copy=true) const
Obtain a deep copy of the specified Frame.
Definition FrameSet.h:270
int getNFrame() const
Get FrameSet_NFrame "NFrame": number of Frames in the FrameSet, starting from 1.
Definition FrameSet.h:316
friend class Frame
Definition FrameSet.h:100
An abstract base class for objects which transform one set of coordinates to another.
Definition Mapping.h:59
friend class FrameDict
Definition Object.h:53
T emplace(T... args)
AST wrapper classes and functions.