LSSTApplications  20.0.0
LSSTDataManagementBasePackage
WinMap.h
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22 #ifndef ASTSHIM_WINMAP_H
23 #define ASTSHIM_WINMAP_H
24 
25 #include <memory>
26 #include <sstream>
27 #include <stdexcept>
28 #include <vector>
29 
30 #include "astshim/base.h"
31 #include "astshim/Mapping.h"
32 
33 namespace ast {
34 
45 class WinMap : public Mapping {
46  friend class Object;
47 
48 public:
61  explicit WinMap(std::vector<double> const &ina, std::vector<double> const &inb,
62  std::vector<double> const &outa, std::vector<double> const &outb,
63  std::string const &options = "")
64  : Mapping(reinterpret_cast<AstMapping *>(_makeRawWinMap(ina, inb, outa, outb, options))) {}
65 
66  virtual ~WinMap() {}
67 
69  WinMap(WinMap const &) = default;
70  WinMap(WinMap &&) = default;
71  WinMap &operator=(WinMap const &) = delete;
72  WinMap &operator=(WinMap &&) = default;
73 
75  std::shared_ptr<WinMap> copy() const { return std::static_pointer_cast<WinMap>(copyPolymorphic()); }
76 
77 protected:
78  virtual std::shared_ptr<Object> copyPolymorphic() const override {
79  return copyImpl<WinMap, AstWinMap>();
80  }
81 
83  explicit WinMap(AstWinMap *rawptr) : Mapping(reinterpret_cast<AstMapping *>(rawptr)) {
84  if (!astIsAWinMap(getRawPtr())) {
86  os << "this is a " << getClassName() << ", which is not a WinMap";
87  throw std::invalid_argument(os.str());
88  }
89  }
90 
91 private:
92  AstWinMap *_makeRawWinMap(std::vector<double> const &ina, std::vector<double> const &inb,
93  std::vector<double> const &outa, std::vector<double> const &outb,
94  std::string const &options = "") {
95  auto const ncoord = ina.size();
96  if (inb.size() != ncoord) {
98  os << "inb.size() = " << inb.size() << " != " << ncoord << " = ina.size()";
99  throw std::invalid_argument(os.str());
100  }
101  if (outa.size() != ncoord) {
103  os << "outa.size() = " << outa.size() << " != " << ncoord << " = ina.size()";
104  throw std::invalid_argument(os.str());
105  }
106  if (outb.size() != ncoord) {
108  os << "outb.size() = " << outb.size() << " != " << ncoord << " = ina.size()";
109  throw std::invalid_argument(os.str());
110  }
111  auto result = astWinMap(static_cast<int>(ncoord), ina.data(), inb.data(), outa.data(),
112  outb.data(), "%s", options.c_str());
113  assertOK();
114  return result;
115  }
116 };
117 
118 } // namespace ast
119 
120 #endif
ast::WinMap::copy
std::shared_ptr< WinMap > copy() const
Return a deep copy of this object.
Definition: WinMap.h:75
std::string
STL class.
ast::WinMap::operator=
WinMap & operator=(WinMap const &)=delete
std::shared_ptr
STL class.
ast::WinMap::WinMap
WinMap(WinMap &&)=default
ast::assertOK
void assertOK(AstObject *rawPtr1=nullptr, AstObject *rawPtr2=nullptr)
Throw std::runtime_error if AST's state is bad.
Definition: base.cc:49
std::vector< double >
std::vector::size
T size(T... args)
ast::Mapping
An abstract base class for objects which transform one set of coordinates to another.
Definition: Mapping.h:59
base.h
ast::Object
Abstract base class for all AST objects.
Definition: Object.h:51
ast::WinMap
A WinMap is a linear Mapping which transforms a rectangular window in one coordinate system into a si...
Definition: WinMap.h:45
ast::Object::getClassName
std::string getClassName() const
Get Class: the name of the class (e.g.
Definition: Object.h:139
ast::WinMap::copyPolymorphic
virtual std::shared_ptr< Object > copyPolymorphic() const override
Return a deep copy of this object.
Definition: WinMap.h:78
ast::WinMap::WinMap
WinMap(WinMap const &)=default
Copy constructor: make a deep copy.
std::invalid_argument
STL class.
result
py::object result
Definition: _schema.cc:429
ast::WinMap::~WinMap
virtual ~WinMap()
Definition: WinMap.h:66
std::ostringstream
STL class.
ast
AST wrapper classes and functions.
Definition: attributes_channel.dox:1
os
std::ostream * os
Definition: Schema.cc:746
ast::WinMap::operator=
WinMap & operator=(WinMap &&)=default
Mapping.h
ast::WinMap::WinMap
WinMap(AstWinMap *rawptr)
Construct a WinMap from a raw AST pointer.
Definition: WinMap.h:83
ast::Object::getRawPtr
AstObject const * getRawPtr() const
Get the raw AST pointer.
Definition: Object.h:292
ast::WinMap::WinMap
WinMap(std::vector< double > const &ina, std::vector< double > const &inb, std::vector< double > const &outa, std::vector< double > const &outb, std::string const &options="")
Create a WinMap from the coordinates of two opposite corners (A and B) of the window in both the inpu...
Definition: WinMap.h:61
std::vector::data
T data(T... args)