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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/>. 

 

import unittest 

 

import lsst.geom 

import lsst.meas.base.tests 

import lsst.utils.tests 

 

from lsst.afw.cameraGeom.testUtils import DetectorWrapper 

from lsst.meas.base.tests import AlgorithmTestCase 

 

 

class FPPositionTestCase(AlgorithmTestCase, lsst.utils.tests.TestCase): 

 

def setUp(self): 

# 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() 

 

def tearDown(self): 

del self.positions 

del self.bbox 

del self.dataset 

del self.dw 

 

def testFPPosition(self): 

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) 

 

 

class TestMemory(lsst.utils.tests.MemoryTestCase): 

pass 

 

 

def setup_module(module): 

lsst.utils.tests.init() 

 

 

80 ↛ 81line 80 didn't jump to line 81, because the condition on line 80 was never trueif __name__ == "__main__": 

lsst.utils.tests.init() 

unittest.main()