def testLoadSkyCircle(self):
loadANetObj = LoadAstrometryNetObjectsTask(config=self.config)
ctrCoord = self.wcs.pixelToSky(afwGeom.Point2D(self.ctrPix))
radius = ctrCoord.angularSeparation(self.wcs.pixelToSky(afwGeom.Box2D(self.bbox).getMin()))
loadRes = loadANetObj.loadSkyCircle(ctrCoord=ctrCoord, radius=radius, filterName="r")
self.assertEqual(len(loadRes.refCat), self.desNumStarsInSkyCircle)
def prep_reference_loader(center, radius):
"""
Return an astrometry.net reference loader.
Parameters
----------
center: lsst.afw.SpherePoint
The center of the field you're testing on.
radius: lsst.afw.geom.angle
The radius to load objects around center.
"""
refLoader = LoadAstrometryNetObjectsTask(LoadAstrometryNetObjectsConfig())
# Make a copy of the reference catalog for in-memory contiguity.
return refLoader.loadSkyCircle(center, radius, filterName='r').refCat.copy()
def _prep_reference_loader(self, center, radius):
"""
Setup an astrometry.net reference loader.
Parameters
----------
center : afw.coord
The center of the field you're testing on.
radius : afw.geom.angle
The radius to load objects around center.
"""
refLoader = LoadAstrometryNetObjectsTask(LoadAstrometryNetObjectsConfig())
# Make a copy of the reference catalog for in-memory contiguity.
self.reference = refLoader.loadSkyCircle(center, radius, filterName='r').refCat.copy()
