lsst.afw.geom.transformConfig Namespace Reference

Classes
class	AffineTransformConfig
class	IdentityTransformConfig
class	MultiTransformConfig
class	OneTransformConfig
class	RadialTransformConfig
class	TransformConfig

Functions
	identityFactory (config)
	invertingFactory (config)
	affineFactory (config)
	radialFactory (config)
	multiFactory (config)

Variables
	transformRegistry
	ConfigClass

Function Documentation

affineFactory()

lsst.afw.geom.transformConfig.affineFactory

(

config

)

Make an affine ``Transform``

Definition at line 112 of file transformConfig.py.

def affineFactory(config):
    """Make an affine ``Transform``
    """
    linear = numpy.array(config.linear)
    linear.shape = (2, 2)
    translation = numpy.array(config.translation)
    return makeTransform(lsst.geom.AffineTransform(linear, translation))
 
 

identityFactory()

lsst.afw.geom.transformConfig.identityFactory

(

config

)

Make an identity ``Transform``

Definition at line 56 of file transformConfig.py.

def identityFactory(config):
    """Make an identity ``Transform``
    """
    return makeIdentityTransform()
 
 

invertingFactory()

lsst.afw.geom.transformConfig.invertingFactory

(

config

)

Invert a ``Transform`` specified by config.

Definition at line 79 of file transformConfig.py.

def invertingFactory(config):
    """Invert a ``Transform`` specified by config.
    """
    return config.transform.apply().inverted()
 
 

multiFactory()

lsst.afw.geom.transformConfig.multiFactory

(

config

)

Concatenate multiple ``Transforms``

Definition at line 170 of file transformConfig.py.

def multiFactory(config):
    """Concatenate multiple ``Transforms``
    """
    transformKeys = sorted(config.transformDict.keys())
    transformList = [config.transformDict[key].transform.apply()
                     for key in transformKeys]
 
    # Can't use then(self, other) directly because no single Transform class
    def concat(transform1, transform2):
        return transform1.then(transform2)
 
    return functools.reduce(concat, transformList)
 
 

radialFactory()

lsst.afw.geom.transformConfig.radialFactory

(

config

)

Make a radial ``Transform``

Definition at line 149 of file transformConfig.py.

def radialFactory(config):
    """Make a radial ``Transform``
    """
    return makeRadialTransform(config.coeffs._list)
 
 

Variable Documentation

ConfigClass

lsst.afw.geom.transformConfig.ConfigClass

Definition at line 62 of file transformConfig.py.

transformRegistry

lsst.afw.geom.transformConfig.transformRegistry

Initial value:

=  makeRegistry(
    
)

Definition at line 35 of file transformConfig.py.