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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.daf.base as dafBase 

from lsst.afw.geom import makeSkyWcs 

import lsst.utils.tests 

 

from lsst.meas.base.tests import AlgorithmTestCase 

from lsst.meas.base.sfm import SingleFrameMeasurementConfig 

 

 

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

 

def setUp(self): 

# Pick arbitrary numbers to create a detector object, and a synthetic 

# dataset. The particular numbers have no special meaning to the test 

# and be anything as long as they are self consistent (i.e. the 

# fake source is inside the bounding box) 

self.center = lsst.geom.Point2D(50.1, 49.8) 

self.bbox = lsst.geom.Box2I(lsst.geom.Point2I(-20, -30), 

lsst.geom.Extent2I(140, 160)) 

self.dataset = lsst.meas.base.tests.TestDataset(self.bbox) 

self.dataset.addSource(100000.0, self.center) 

 

md = dafBase.PropertyList() 

 

for k, v in ( 

("EQUINOX", 2000.0), 

("CRPIX1", 5353.0), 

("CRPIX2", -35.0), 

("CD1_1", 0.0), 

("CD1_2", -5.611E-05), 

("CD2_1", -5.611E-05), 

("CD2_2", -0.0), 

("CRVAL1", 4.5789875), 

("CRVAL2", 16.30004444), 

("CUNIT1", 'deg'), 

("CUNIT2", 'deg'), 

("CTYPE1", 'RA---TAN'), 

("CTYPE2", 'DEC--TAN'), 

): 

md.set(k, v) 

 

self.wcs = makeSkyWcs(md) 

 

def tearDown(self): 

del self.center 

del self.bbox 

del self.dataset 

del self.wcs 

 

def testJacobianPlugin(self): 

config = SingleFrameMeasurementConfig() 

config.plugins.names |= ['base_Jacobian'] 

# Pixel scale chosen to approximately match the scale defined in the 

# above WCS 

config.plugins['base_Jacobian'].pixelScale = 0.2 

task = self.makeSingleFrameMeasurementTask(config=config) 

exposure, catalog = self.dataset.realize(10.0, task.schema, randomSeed=0) 

exposure.setWcs(self.wcs) 

task.run(catalog, exposure) 

record = catalog[0] 

self.assertFalse(record.get("base_Jacobian_flag")) 

self.assertAlmostEqual(record.get("base_Jacobian_value"), 1.0200183929088285, 4) 

 

 

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

pass 

 

 

def setup_module(module): 

lsst.utils.tests.init() 

 

 

96 ↛ 97line 96 didn't jump to line 97, because the condition on line 96 was never trueif __name__ == "__main__": 

lsst.utils.tests.init() 

unittest.main()