def testBasics(self):
        """Test construction of a discrete sky map
        """
        butler = Butler(inputs=self.inPath, outputs={'root': self.outPath, 'mode': 'rw'})
        coordList = []  # list of sky coords of all corners of all calexp
        for dataId in (
            dict(visit=1, filter="g"),
            dict(visit=2, filter="g"),
            dict(visit=3, filter="r"),
        ):
            rawImage = butler.get("raw", dataId)
            # fake calexp by simply copying raw data; the task just cares about its bounding box
            # (which is slightly larger for raw, but that doesn't matter for this test)
            calexp = rawImage
            butler.put(calexp, "calexp", dataId)
            calexpWcs = calexp.getWcs()
            calexpBoxD = Box2D(calexp.getBBox())
            coordList += [calexpWcs.pixelToSky(corner) for corner in calexpBoxD.getCorners()]

        # use the calexp to make a sky map
        retVal = MakeDiscreteSkyMapTask.parseAndRun(
            args=[self.inPath, "--output", self.outPath, "--id", "filter=g^r"],
            config=self.config,
            doReturnResults=True,
        )
        self.assertEqual(len(retVal.resultList), 1)
        skyMap = retVal.resultList[0].result.skyMap
        self.assertEqual(type(skyMap), DiscreteSkyMap)
        self.assertEqual(len(skyMap), 1)
        tractInfo = skyMap[0]
        self.assertEqual(tractInfo.getId(), 0)
        self.assertEqual(tractInfo.getNumPatches(), Extent2I(3, 3))
        tractWcs = tractInfo.getWcs()
        tractBoxD = Box2D(tractInfo.getBBox())
        for skyPoint in coordList:
            self.assertTrue(tractBoxD.contains(tractWcs.skyToPixel(skyPoint)))
Пример #2
0
#!/usr/bin/env python
#
# LSST Data Management System
# Copyright 2008, 2009, 2010 LSST Corporation.
#
# This product includes software developed by the
# LSST Project (http://www.lsst.org/).
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.    See the
# GNU General Public License for more details.
#
# You should have received a copy of the LSST License Statement and
# the GNU General Public License along with this program.  If not,
# see <http://www.lsstcorp.org/LegalNotices/>.
#
from lsst.pipe.tasks.makeDiscreteSkyMap import MakeDiscreteSkyMapTask

MakeDiscreteSkyMapTask.parseAndRun()