LSST Applications g042eb84c57+730a74494b,g04e9c324dd+8c5ae1fdc5,g134cb467dc+1f1e3e7524,g199a45376c+0ba108daf9,g1fd858c14a+fa7d31856b,g210f2d0738+f66ac109ec,g262e1987ae+83a3acc0e5,g29ae962dfc+d856a2cb1f,g2cef7863aa+aef1011c0b,g35bb328faa+8c5ae1fdc5,g3fd5ace14f+a1e0c9f713,g47891489e3+0d594cb711,g4d44eb3520+c57ec8f3ed,g4d7b6aa1c5+f66ac109ec,g53246c7159+8c5ae1fdc5,g56a1a4eaf3+fd7ad03fde,g64539dfbff+f66ac109ec,g67b6fd64d1+0d594cb711,g67fd3c3899+f66ac109ec,g6985122a63+0d594cb711,g74acd417e5+3098891321,g786e29fd12+668abc6043,g81db2e9a8d+98e2ab9f28,g87389fa792+8856018cbb,g89139ef638+0d594cb711,g8d7436a09f+80fda9ce03,g8ea07a8fe4+760ca7c3fc,g90f42f885a+033b1d468d,g97be763408+a8a29bda4b,g99822b682c+e3ec3c61f9,g9d5c6a246b+0d5dac0c3d,ga41d0fce20+9243b26dd2,gbf99507273+8c5ae1fdc5,gd7ef33dd92+0d594cb711,gdab6d2f7ff+3098891321,ge410e46f29+0d594cb711,geaed405ab2+c4bbc419c6,gf9a733ac38+8c5ae1fdc5,w.2025.38
LSST Data Management Base Package
Loading...
Searching...
No Matches
transformUtils.h
Go to the documentation of this file.
1// -*- lsst-c++ -*-
2/*
3 * LSST Data Management System
4 * Copyright 2017 AURA/LSST.
5 *
6 * This product includes software developed by the
7 * LSST Project (http://www.lsst.org/).
8 *
9 * This program is free software: you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation, either version 3 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the LSST License Statement and
20 * the GNU General Public License along with this program. If not,
21 * see <http://www.lsstcorp.org/LegalNotices/>.
22 */
23
24#ifndef LSST_AFW_GEOM_TRANSFORMUTILS_H
25#define LSST_AFW_GEOM_TRANSFORMUTILS_H
26
27#include <memory>
28#include <vector>
29
30#include "astshim.h"
31#include "ndarray.h"
32
36
37namespace lsst {
38namespace afw {
39namespace geom {
40namespace detail {
42constexpr int serializationVersion = 1;
43
55template <class Transform>
57
71template <class Transform>
73
74/*
75 * Provide definitions here in the header file to avoid the need for explicit instantiations
76 */
77
78template <class Transform>
80 int version;
81 is >> version;
82 if (version != 1) {
84 "Unsupported version " + std::to_string(version));
85 }
86 std::string shortClassName;
87 is >> shortClassName;
88 if (shortClassName != Transform::getShortClassName()) {
90 os << "Class name in stream " << shortClassName << " != " << Transform::getShortClassName();
92 }
93 auto astStream = ast::Stream(&is, nullptr);
94 auto astObjectPtr = ast::Channel(astStream).read();
95 auto mapping = std::dynamic_pointer_cast<ast::Mapping>(astObjectPtr);
96 if (!mapping) {
98 os << "The AST serialization was read as a " << astObjectPtr->getClassName()
99 << " instead of a Mapping";
101 }
102
103 return std::make_shared<Transform>(*mapping);
104}
105
106template <class Transform>
109 transform.getMapping()->show(os, false); // false = do not write comments
110}
111
112} // namespace detail
113} // namespace geom
114} // namespace afw
115} // namespace lsst
116
117#endif
#define LSST_EXCEPT(type,...)
Create an exception with a given type.
Definition Exception.h:48
Channel provides input/output of AST objects.
Definition Channel.h:60
std::shared_ptr< Object > read()
Read an object from a channel.
Definition Channel.cc:52
A stream for ast::Channel.
Definition Stream.h:41
Transform LSST spatial data, such as lsst::geom::Point2D and lsst::geom::SpherePoint,...
Definition Transform.h:68
static std::string getShortClassName()
Return a short version of the class name with no punctuation.
Definition Transform.cc:137
Reports invalid arguments.
Definition Runtime.h:66
T make_shared(T... args)
void writeStream(Transform const &transform, std::ostream &os)
Serialize a Transform to an output stream.
constexpr int serializationVersion
version of serialization used when writing (older versions may also be supported when reading)
std::shared_ptr< Transform > readStream(std::istream &is)
Deserialize a Transform from an input stream.
T dynamic_pointer_cast(T... args)
T str(T... args)
T to_string(T... args)