#
# LSST Data Management System
# See COPYRIGHT file at the top of the source tree.
#
# 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 <https://www.lsstcorp.org/LegalNotices/>.
#
from __future__ import absolute_import, division, print_function
import pickle
import unittest
from builtins import range
from lsst.sphgeom import Angle, Circle, Q3cPixelization, RangeSet, UnitVector3d
class Q3cPixelizationTestCase(unittest.TestCase):
def test_construction(self):
with self.assertRaises(ValueError):
Q3cPixelization(-1)
with self.assertRaises(ValueError):
Q3cPixelization(Q3cPixelization.MAX_LEVEL + 1)
q1 = Q3cPixelization(0)
self.assertEqual(q1.getLevel(), 0)
q2 = Q3cPixelization(1)
q3 = Q3cPixelization(q2)
self.assertNotEqual(q1, q2)
self.assertEqual(q2, q3)
def test_indexing(self):
pixelization = Q3cPixelization(1)
self.assertEqual(pixelization.index(UnitVector3d(0.5, -0.5, 1.0)), 0)
def test_envelope_and_interior(self):
pixelization = Q3cPixelization(1)
c = Circle(UnitVector3d(1.0, -0.5, -0.5), Angle.fromDegrees(0.1))
rs = pixelization.envelope(c)
self.assertTrue(rs == RangeSet(4))
rs = pixelization.envelope(c, 1)
self.assertTrue(rs == RangeSet(4))
self.assertTrue(rs.isWithin(pixelization.universe()))
rs = pixelization.interior(c)
self.assertTrue(rs.empty())
def test_index_to_string(self):
strings = ['+X', '+Y', '+Z', '-X', '-Y', '-Z']
for i in range(6):
s = strings[i]
components = [0.0]*3
components[i % 3] = 1.0 if i < 3 else -1.0
v = UnitVector3d(*components)
f = Q3cPixelization(0).index(v)
self.assertEqual(Q3cPixelization(0).toString(f), s)
for j in range(4):
self.assertEqual(Q3cPixelization(1).toString(f*4 + j),
s + str(j))
def test_string(self):
p = Q3cPixelization(3)
self.assertEqual(str(p), 'Q3cPixelization(3)')
self.assertEqual(str(p), repr(p))
self.assertEqual(
p, eval(repr(p), dict(Q3cPixelization=Q3cPixelization)))
def test_pickle(self):
a = Q3cPixelization(20)
b = pickle.loads(pickle.dumps(a))
self.assertEqual(a, b)
86 ↛ 87line 86 didn't jump to line 87, because the condition on line 86 was never trueif __name__ == '__main__':
unittest.main()
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