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LSSTDataManagementBasePackage
LutMap.h
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1 /*
2  * LSST Data Management System
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22 #ifndef ASTSHIM_LUTMAP_H
23 #define ASTSHIM_LUTMAP_H
24 
25 #include <memory>
26 
27 #include "astshim/base.h"
28 #include "astshim/Mapping.h"
29 
30 namespace ast {
31 
60 class LutMap : public Mapping {
61  friend class Object;
62 
63 public:
75  explicit LutMap(std::vector<double> const &lut, double start, double inc, std::string const &options = "")
76  : Mapping(reinterpret_cast<AstMapping *>(
77  astLutMap(lut.size(), lut.data(), start, inc, "%s", options.c_str()))) {
78  assertOK();
79  }
80 
81  virtual ~LutMap() {}
82 
84  LutMap(LutMap const &) = default;
85  LutMap(LutMap &&) = default;
86  LutMap &operator=(LutMap const &) = delete;
87  LutMap &operator=(LutMap &&) = default;
88 
91 
95  double getLutEpsilon() const { return getD("LutEpsilon"); }
96 
100  int getLutInterp() const { return getI("LutInterp"); }
101 
102 protected:
103  virtual std::shared_ptr<Object> copyPolymorphic() const override {
104  return copyImpl<LutMap, AstLutMap>();
105  }
106 
108  explicit LutMap(AstLutMap *rawptr) : Mapping(reinterpret_cast<AstMapping *>(rawptr)) {
109  if (!astIsALutMap(getRawPtr())) {
111  os << "this is a " << getClassName() << ", which is not a LutMap";
112  throw std::invalid_argument(os.str());
113  }
114  }
115 };
116 
117 } // namespace ast
118 
119 #endif
AstObject const * getRawPtr() const
Get the raw AST pointer.
Definition: Object.h:292
virtual std::shared_ptr< Object > copyPolymorphic() const override
Return a deep copy of this object.
Definition: LutMap.h:103
int getI(std::string const &attrib) const
Get the value of an attribute as an int.
Definition: Object.h:400
AST wrapper classes and functions.
std::string getClassName() const
Get Class: the name of the class (e.g.
Definition: Object.h:139
LutMap is a specialised form of Mapping which transforms 1-dimensional coordinates by using linear in...
Definition: LutMap.h:60
void assertOK(AstObject *rawPtr1=nullptr, AstObject *rawPtr2=nullptr)
Throw std::runtime_error if AST&#39;s state is bad.
Definition: base.cc:49
tuple options
Definition: lsstimport.py:47
An abstract base class for objects which transform one set of coordinates to another.
Definition: Mapping.h:59
STL class.
double getLutEpsilon() const
Get attribute LutEpsilon: the relative error of the values in the table.
Definition: LutMap.h:95
char * data
Definition: BaseRecord.cc:62
T str(T... args)
T static_pointer_cast(T... args)
int getLutInterp() const
Get attribute LutInterp: the interpolation method to use between table entries.
Definition: LutMap.h:100
LutMap & operator=(LutMap const &)=delete
LutMap(std::vector< double > const &lut, double start, double inc, std::string const &options="")
Construct an LutMap.
Definition: LutMap.h:75
double getD(std::string const &attrib) const
Get the value of an attribute as a double.
Definition: Object.h:374
Abstract base class for all AST objects.
Definition: Object.h:51
std::shared_ptr< LutMap > copy() const
Return a deep copy of this object.
Definition: LutMap.h:90
virtual ~LutMap()
Definition: LutMap.h:81
LutMap(AstLutMap *rawptr)
Construct an LutMap from a raw AST pointer.
Definition: LutMap.h:108
std::ostream * os
Definition: Schema.cc:746