def testInverted(self):
"""Test radial = radial Transform
"""
affineFactory = afwGeom.transformRegistry["affine"]
wrapper = afwGeom.OneTransformConfig()
wrapper.transform.retarget(affineFactory)
affineConfig = wrapper.transform
affineConfig.translation = (-2.1, 3.4)
rotAng = 0.832 # radians
xScale = 3.7
yScale = 45.3
affineConfig.linear = (
math.cos(rotAng) * xScale,
math.sin(rotAng) * yScale,
-math.sin(rotAng) * xScale,
math.cos(rotAng) * yScale,
)
inverseFactory = afwGeom.transformRegistry["inverted"]
inverseConfig = inverseFactory.ConfigClass()
inverseConfig.transform = affineConfig
def check(transform):
self.checkInverted(transform, affineConfig.apply())
self.checkGenericTransform(inverseFactory, inverseConfig, check)
def testMulti(self):
"""Test multi transform
"""
affineFactory = afwGeom.transformRegistry["affine"]
wrapper0 = afwGeom.OneTransformConfig()
wrapper0.transform.retarget(affineFactory)
affineConfig0 = wrapper0.transform
affineConfig0.translation = (-2.1, 3.4)
rotAng = 0.832 # radians
xScale = 3.7
yScale = 45.3
affineConfig0.linear = (
math.cos(rotAng) * xScale,
math.sin(rotAng) * yScale,
-math.sin(rotAng) * xScale,
math.cos(rotAng) * yScale,
)
wrapper1 = afwGeom.OneTransformConfig()
wrapper1.transform.retarget(affineFactory)
affineConfig1 = wrapper1.transform
affineConfig1.translation = (26.5, -35.1)
rotAng = -0.25 # radians
xScale = 1.45
yScale = 0.9
affineConfig1.linear = (
math.cos(rotAng) * xScale,
math.sin(rotAng) * yScale,
-math.sin(rotAng) * xScale,
math.cos(rotAng) * yScale,
)
multiFactory = afwGeom.transformRegistry["multi"]
multiConfig = multiFactory.ConfigClass()
multiConfig.transformDict = {
0: wrapper0,
1: wrapper1,
}
def check(transform):
self.checkMulti(
transform, [c.apply() for c in [affineConfig0, affineConfig1]])
self.checkGenericTransform(multiFactory, multiConfig, check)