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LSSTDataManagementBasePackage
DistortedTanWcs.h
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23 #ifndef LSST_AFW_IMAGE_DISTORTEDTANWCS_H
24 #define LSST_AFW_IMAGE_DISTORTEDTANWCS_H
25 
26 #include "lsst/afw/image/TanWcs.h"
27 #include "lsst/afw/geom.h"
28 
29 namespace lsst {
30 namespace afw {
31 namespace image {
32 
49 class DistortedTanWcs : public TanWcs {
50 public:
63  TanWcs const &tanWcs,
64  geom::XYTransform const &pixelsToTanPixels
65  );
66 
67  virtual ~DistortedTanWcs() {};
68 
70  virtual PTR(Wcs) clone() const;
71 
73  bool operator==(Wcs const & other) const;
74 
76  virtual void flipImage(int flipLR, int flipTB, lsst::afw::geom::Extent2I dimensions) const;
77 
79  virtual void rotateImageBy90(int nQuarter, lsst::afw::geom::Extent2I dimensions) const;
80 
82  virtual void shiftReferencePixel(double dx, double dy);
83 
84  bool isPersistable() const { return false; }
85 
86  bool hasDistortion() const { return true; }
87 
89  PTR(Wcs) getTanWcs() const { return TanWcs::clone(); }
90 
93 
94 protected:
95 
102  virtual void pixelToSkyImpl(double pixel1, double pixel2, geom::Angle skyTmp[2]) const;
103 
111  virtual geom::Point2D skyToPixelImpl(geom::Angle sky1, geom::Angle sky2) const;
112 
113 private:
114 
115  PTR(geom::XYTransform) _pixelsToTanPixelsPtr; // XYTransform that converts from PIXELS to TAN_PIXELS
116  // coordinates in the forward direction
117 
118 };
119 
120 }}} // namespace lsst::afw::image
121 
122 #endif
virtual void flipImage(int flipLR, int flipTB, lsst::afw::geom::Extent2I dimensions) const
An include file to include the header files for lsst::afw::geom.
bool isPersistable() const
Whether the object is persistable using afw::table::io archives.
#define PTR(...)
Definition: base.h:41
boost::shared_ptr< Wcs > getTanWcs() const
return the pure tan WCS component
Implementation of the WCS standard for a any projection.
Definition: Wcs.h:107
virtual geom::Point2D skyToPixelImpl(geom::Angle sky1, geom::Angle sky2) const
boost::shared_ptr< geom::XYTransform > getPixelToTanPixel() const
return the PIXELS to TAN_PIXELS XYTransform
table::Key< table::Array< Kernel::Pixel > > image
Definition: FixedKernel.cc:117
DistortedTanWcs(TanWcs const &tanWcs, geom::XYTransform const &pixelsToTanPixels)
Construct a DistortedTanWcs.
afw::table::PointKey< int > dimensions
Implementation of the WCS standard for the special case of the Gnomonic (tangent plane) projection...
Definition: TanWcs.h:68
virtual boost::shared_ptr< Wcs > clone() const
Polymorphic deep-copy.
virtual void rotateImageBy90(int nQuarter, lsst::afw::geom::Extent2I dimensions) const
virtual void shiftReferencePixel(double dx, double dy)
virtual void pixelToSkyImpl(double pixel1, double pixel2, geom::Angle skyTmp[2]) const
Combination of a TAN WCS and a distortion model.
Virtual base class for 2D transforms.
Definition: XYTransform.h:48
boost::shared_ptr< geom::XYTransform > _pixelsToTanPixelsPtr
Extent< int, 2 > Extent2I
Definition: Extent.h:355
virtual boost::shared_ptr< Wcs > clone() const
Polymorphic deep-copy.