lsst.astshim  22.0.0+04719a4bac
PcdMap.h
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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"
31 #include "astshim/detail/utils.h"
32 #include "astshim/Mapping.h"
33 
34 namespace ast {
35 
73 class PcdMap : public Mapping {
74  friend class Object;
75 
76 public:
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 
108  std::vector<double> getPcdCen() const {
109  std::vector<double> ctr;
110  for (auto axis = 1; axis < 3; ++axis) {
111  ctr.push_back(getPcdCen(axis));
112  }
113  return ctr;
114  }
115 
116 protected:
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())) {
124  std::ostringstream os;
125  os << "this is a " << getClassName() << ", which is not a PcdMap";
126  throw std::invalid_argument(os.str());
127  }
128  }
129 
130 private:
131  AstPcdMap *_makeRawPcdMap(double disco, std::vector<double> const &pcdcen,
132  std::string const &options = "") {
133  if (pcdcen.size() != 2) {
134  std::ostringstream os;
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
Definition: Mapping.h:59
Definition: Object.h:51
double getD(std::string const &attrib) const
Definition: Object.h:374
std::string getClassName() const
Definition: Object.h:139
AstObject const * getRawPtr() const
Definition: Object.h:292
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
PcdMap & operator=(PcdMap &&)=default
virtual std::shared_ptr< Object > copyPolymorphic() const override
Definition: PcdMap.h:117
double getPcdCen(int axis) const
Get PcdMap_PcdCen PcdCen(axis) for one axis: centre coordinates of pincushion/barrel distortion.
Definition: PcdMap.h:105
std::shared_ptr< PcdMap > copy() const
Return a deep copy of this object.
Definition: PcdMap.h:99
std::vector< double > getPcdCen() const
Get PcdMap_PcdCen PcdCen for both axes: centre coordinates of pincushion/barrel distortion.
Definition: PcdMap.h:108
PcdMap & operator=(PcdMap const &)=delete
PcdMap(double disco, std::vector< double > const &pcdcen, std::string const &options="")
Definition: PcdMap.h:87
virtual ~PcdMap()
Definition: PcdMap.h:90
std::string formatAxisAttr(std::string const &name, int axis)
Definition: utils.h:79
AST wrapper classes and functions.
Definition: attributes_channel.dox:1
void assertOK(AstObject *rawPtr1=nullptr, AstObject *rawPtr2=nullptr)
Definition: base.cc:49