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LSST Data Management Base Package
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Base class for SIP transform objects. More...
#include <SipTransform.h>
Public Member Functions | |
geom::Point2D const & | getPixelOrigin () const |
Return the pixel origin (CRPIX, but zero-indexed) of the transform. | |
geom::LinearTransform const & | getCdMatrix () const |
Return the CD matrix of the transform. | |
PolynomialTransform const & | getPoly () const |
Return the polynomial component of the transform (A,B) or (AP,BP). | |
Protected Member Functions | |
SipTransformBase (geom::Point2D const &pixelOrigin, geom::LinearTransform const &cdMatrix, PolynomialTransform const &poly) | |
Construct a SipTransformBase from its components. | |
SipTransformBase (SipTransformBase const &other)=default | |
SipTransformBase (SipTransformBase &&other)=default | |
SipTransformBase & | operator= (SipTransformBase const &other)=default |
SipTransformBase & | operator= (SipTransformBase &&other)=default |
void | swap (SipTransformBase &other) |
void | transformPixelsInPlace (geom::AffineTransform const &s) |
Protected Attributes | |
geom::Point2D | _pixelOrigin |
geom::LinearTransform | _cdMatrix |
PolynomialTransform | _poly |
Base class for SIP transform objects.
This class simply provides some getters for its derived classes. It should not be used directly, and does not define a polymorphic interface.
Definition at line 46 of file SipTransform.h.
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Construct a SipTransformBase from its components.
See SipForwardTransform and SipReverseTransform for more extensive definitions.
[in] | pixelOrigin | CRPIX \((u_0,v_0)\) (zero-indexed) |
[in] | cdMatrix | CD matrix \(Z\) |
[in] | poly | Either the forward or reverse SIP polynomial (depending on the derived class). |
Definition at line 76 of file SipTransform.h.
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Return the pixel origin (CRPIX, but zero-indexed) of the transform.
Definition at line 51 of file SipTransform.h.
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Return the polynomial component of the transform (A,B) or (AP,BP).
Definition at line 61 of file SipTransform.h.
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Definition at line 85 of file SipTransform.h.
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Definition at line 40 of file SipTransform.cc.
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Definition at line 94 of file SipTransform.h.
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Definition at line 93 of file SipTransform.h.
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Definition at line 95 of file SipTransform.h.