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LSSTDataManagementBasePackage
TransformMap.h
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22 
23 #if !defined(LSST_AFW_GEOM_TRANSFORMMAP_H)
24 #define LSST_AFW_GEOM_TRANSFORMMAP_H
25 
26 #include <string>
27 #include <utility>
28 #include <vector>
29 #include <map>
30 #include "lsst/afw/geom/Point.h"
32 
33 namespace lsst {
34 namespace afw {
35 namespace geom {
36 
64 template<typename CoordSysT>
65 class TransformMap {
66 public:
67  typedef std::map<CoordSysT, CONST_PTR(XYTransform)> Transforms;
68  typedef CoordSysT CoordSys; // needed by SWIG; see TransformMap.i
69 
79  explicit TransformMap(
80  CoordSysT const &nativeCoordSys,
81  Transforms const &transforms
82  );
84 
86  explicit TransformMap();
87 
96  Point2D const &fromPoint,
97  CoordSysT const &fromSys,
98  CoordSysT const &toCoordSys
99  ) const;
100 
106  std::vector<Point2D> transform(
107  std::vector<Point2D> const &pointList,
108  CoordSysT const &fromCoordSys,
109  CoordSysT const &toCoordSys
110  ) const;
111 
112  CoordSysT getNativeCoordSys() const { return _nativeCoordSys; }
113 
119  std::vector<CoordSysT> getCoordSysList() const;
120 
127  bool contains(
128  CoordSysT const &coordSys
129  ) const;
130 
138  CONST_PTR(XYTransform) operator[](
139  CoordSysT const &coordSys
140  ) const;
141 
142  typename Transforms::const_iterator begin() const { return _transforms.begin(); }
143 
144  typename Transforms::const_iterator end() const { return _transforms.end(); }
145 
146  size_t size() const { return _transforms.size(); }
147 
148 private:
149  CoordSysT _nativeCoordSys;
151 };
152 
153 }}}
154 
155 #endif
Transforms::const_iterator begin() const
Definition: TransformMap.h:142
A coordinate class intended to represent absolute positions.
#define CONST_PTR(...)
Definition: base.h:47
std::vector< CoordSysT > getCoordSysList() const
bool contains(CoordSysT const &coordSys) const
CoordSysT _nativeCoordSys
native coordinate system
Definition: TransformMap.h:149
Transforms::const_iterator end() const
Definition: TransformMap.h:144
Transforms _transforms
map of coordSys: XYTransform
Definition: TransformMap.h:150
CoordSysT getNativeCoordSys() const
Definition: TransformMap.h:112
TransformMap()
null implementation to make SWIG willing to wrap a map that contains these
Virtual base class for 2D transforms.
Definition: XYTransform.h:48
std::map< CoordSysT, boost::shared_ptr< XYTransform const > > Transforms
Definition: TransformMap.h:67
Point2D transform(Point2D const &fromPoint, CoordSysT const &fromSys, CoordSysT const &toCoordSys) const
Class representing an invertible 2D transform.