lsst::meas::modelfit::LocalUnitTransform Struct Reference

A local mapping between two UnitSystems. More...

#include <UnitSystem.h>

Public Member Functions
	LocalUnitTransform (geom::Point2D const &sourcePixel, UnitSystem const &source, UnitSystem const &destination)
	LocalUnitTransform ()
	Construct an identity transform for both geometry and flux.

Public Attributes
geom::AffineTransform	geometric
	Maps source pixel coordinates to destination pixel coordinates.
double	flux
	Multiply source fluxes by this to get destination fluxes.
double	sb
	Multiply source surface brightnesses by this to get destination surface brightnesses.

Detailed Description

A local mapping between two UnitSystems.

LocalUnitTransform is "local" because it linearizes the Wcs and evaluates the PhotoCalib transform at a particular predifined point, allowing it to represent the geometric transform as an AffineTransform and the photometric transform as a simple scaling.

Definition at line 80 of file UnitSystem.h.

Constructor & Destructor Documentation

LocalUnitTransform() [1/2]

lsst::meas::modelfit::LocalUnitTransform::LocalUnitTransform	(	geom::Point2D const &	sourcePixel,
		UnitSystem const &	source,
		UnitSystem const &	destination )

LocalUnitTransform() [2/2]

lsst::meas::modelfit::LocalUnitTransform::LocalUnitTransform ( )

inline

Construct an identity transform for both geometry and flux.

Definition at line 94 of file UnitSystem.h.

: geometric(), flux(1.0), sb(1.0) {}

Member Data Documentation

flux

double lsst::meas::modelfit::LocalUnitTransform::flux

Multiply source fluxes by this to get destination fluxes.

Definition at line 85 of file UnitSystem.h.

geometric

geom::AffineTransform lsst::meas::modelfit::LocalUnitTransform::geometric

Maps source pixel coordinates to destination pixel coordinates.

Definition at line 82 of file UnitSystem.h.

sb

double lsst::meas::modelfit::LocalUnitTransform::sb

Multiply source surface brightnesses by this to get destination surface brightnesses.

Definition at line 88 of file UnitSystem.h.

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The documentation for this struct was generated from the following file:

• /j/snowflake/release/lsstsw/stack/lsst-scipipe-8.0.0/Linux64/meas_modelfit/g591dd9f2cf+97ef3b4495/include/lsst/meas/modelfit/UnitSystem.h