#
# 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, Mq3cPixelization, RangeSet,
UnitVector3d)
class Mq3cPixelizationTestCase(unittest.TestCase):
def test_construction(self):
with self.assertRaises(ValueError):
Mq3cPixelization(-1)
with self.assertRaises(ValueError):
Mq3cPixelization(Mq3cPixelization.MAX_LEVEL + 1)
m1 = Mq3cPixelization(0)
self.assertEqual(m1.getLevel(), 0)
m2 = Mq3cPixelization(1)
m3 = Mq3cPixelization(m2)
self.assertNotEqual(m1, m2)
self.assertEqual(m2, m3)
def test_indexing(self):
pixelization = Mq3cPixelization(1)
self.assertEqual(pixelization.index(UnitVector3d(0.5, -0.5, 1.0)), 53)
def test_level(self):
self.assertEqual(Mq3cPixelization.level(0), -1)
for level in range(Mq3cPixelization.MAX_LEVEL + 1):
for root in range(8, 10):
index = root * 4**level
self.assertEqual(Mq3cPixelization.level(index), -1)
for root in range(10, 16):
index = root * 4**level
self.assertEqual(Mq3cPixelization.level(index), level)
def test_envelope_and_interior(self):
pixelization = Mq3cPixelization(1)
c = Circle(UnitVector3d(1.0, -0.5, -0.5), Angle.fromDegrees(0.1))
rs = pixelization.envelope(c)
self.assertTrue(rs == RangeSet(44))
rs = pixelization.envelope(c, 1)
self.assertTrue(rs == RangeSet(44))
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):
s0 = strings[i]
components = [0.0]*3
components[i % 3] = 1.0 if i < 3 else -1.0
v = UnitVector3d(*components)
f = Mq3cPixelization(0).index(v)
self.assertEqual(Mq3cPixelization.asString(f), s0)
self.assertEqual(Mq3cPixelization(0).toString(f), s0)
for j in range(4):
s1 = s0 + str(j)
self.assertEqual(Mq3cPixelization.asString(f*4 + j), s1)
self.assertEqual(Mq3cPixelization(1).toString(f*4 + j), s1)
def test_string(self):
p = Mq3cPixelization(3)
self.assertEqual(str(p), 'Mq3cPixelization(3)')
self.assertEqual(str(p), repr(p))
self.assertEqual(
p, eval(repr(p), dict(Mq3cPixelization=Mq3cPixelization)))
def test_pickle(self):
a = Mq3cPixelization(20)
b = pickle.loads(pickle.dumps(a))
self.assertEqual(a, b)
99 ↛ 100line 99 didn't jump to line 100, because the condition on line 99 was never trueif __name__ == '__main__':
unittest.main()
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