Coverage for tests/test_FPPosition.py : 33%

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# This file is part of meas_base. # # Developed for the LSST Data Management System. # This product includes software developed by the LSST Project # (https://www.lsst.org). # See the COPYRIGHT file at the top-level directory of this distribution # for details of code ownership. # # 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 GNU General Public License # along with this program. If not, see <https://www.gnu.org/licenses/>.
# Define point2D object which are distributed about a detector self.positions = [lsst.geom.Point2D(*x) for x in ((50.1, 49.8), (12, 15.6), (13.4, 100.0))]
# Define a box which will be used to as boundaries to construct an # detector object self.bbox = lsst.geom.Box2I(lsst.geom.Point2I(-20, -30), lsst.geom.Extent2I(140, 160)) self.dataset = lsst.meas.base.tests.TestDataset(self.bbox)
# Add in sources to synthetic dataset at defined positions with an # arbitrary value for pos in self.positions: self.dataset.addSource(100000.0, pos) self.dw = DetectorWrapper()
del self.positions del self.bbox del self.dataset del self.dw
task = self.makeSingleFrameMeasurementTask("base_FPPosition") exposure, catalog = self.dataset.realize(10.0, task.schema, randomSeed=0) exposure.setDetector(self.dw.detector) task.run(catalog, exposure) pointKey = lsst.afw.table.Point2DKey(catalog.schema["base_FPPosition"]) # Compare the derived focal plane position to the true position. True # position is calculated as pixel coordinate plus half pixel offset to # the center of a pixel, times the pixel scale. for record, pos in zip(catalog, self.positions): self.assertFalse(record.get("base_FPPosition_flag")) point = record.get(pointKey) self.assertAlmostEqual(point.getX(), self.dw.pixelSize[0] * (0.5 + pos[0]), 3) self.assertAlmostEqual(point.getY(), self.dw.pixelSize[1] * (0.5 + pos[1]), 3)
lsst.utils.tests.init()
lsst.utils.tests.init() unittest.main() |