Hide keyboard shortcuts

Hot-keys on this page

r m x p   toggle line displays

j k   next/prev highlighted chunk

0   (zero) top of page

1   (one) first highlighted chunk

1# 

2# LSST Data Management System 

3# See COPYRIGHT file at the top of the source tree. 

4# 

5# This product includes software developed by the 

6# LSST Project (http://www.lsst.org/). 

7# 

8# This program is free software: you can redistribute it and/or modify 

9# it under the terms of the GNU General Public License as published by 

10# the Free Software Foundation, either version 3 of the License, or 

11# (at your option) any later version. 

12# 

13# This program is distributed in the hope that it will be useful, 

14# but WITHOUT ANY WARRANTY; without even the implied warranty of 

15# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 

16# GNU General Public License for more details. 

17# 

18# You should have received a copy of the LSST License Statement and 

19# the GNU General Public License along with this program. If not, 

20# see <https://www.lsstcorp.org/LegalNotices/>. 

21# 

22 

23import pickle 

24import unittest 

25 

26from lsst.sphgeom import (Angle, Circle, Mq3cPixelization, RangeSet, 

27 UnitVector3d) 

28 

29 

30class Mq3cPixelizationTestCase(unittest.TestCase): 

31 

32 def test_construction(self): 

33 with self.assertRaises(ValueError): 

34 Mq3cPixelization(-1) 

35 with self.assertRaises(ValueError): 

36 Mq3cPixelization(Mq3cPixelization.MAX_LEVEL + 1) 

37 m1 = Mq3cPixelization(0) 

38 self.assertEqual(m1.getLevel(), 0) 

39 m2 = Mq3cPixelization(1) 

40 m3 = Mq3cPixelization(m2) 

41 self.assertNotEqual(m1, m2) 

42 self.assertEqual(m2, m3) 

43 

44 def test_indexing(self): 

45 pixelization = Mq3cPixelization(1) 

46 self.assertEqual(pixelization.index(UnitVector3d(0.5, -0.5, 1.0)), 53) 

47 

48 def test_level(self): 

49 self.assertEqual(Mq3cPixelization.level(0), -1) 

50 for level in range(Mq3cPixelization.MAX_LEVEL + 1): 

51 for root in range(8, 10): 

52 index = root * 4**level 

53 self.assertEqual(Mq3cPixelization.level(index), -1) 

54 for root in range(10, 16): 

55 index = root * 4**level 

56 self.assertEqual(Mq3cPixelization.level(index), level) 

57 

58 def test_envelope_and_interior(self): 

59 pixelization = Mq3cPixelization(1) 

60 c = Circle(UnitVector3d(1.0, -0.5, -0.5), Angle.fromDegrees(0.1)) 

61 rs = pixelization.envelope(c) 

62 self.assertTrue(rs == RangeSet(44)) 

63 rs = pixelization.envelope(c, 1) 

64 self.assertTrue(rs == RangeSet(44)) 

65 self.assertTrue(rs.isWithin(pixelization.universe())) 

66 rs = pixelization.interior(c) 

67 self.assertTrue(rs.empty()) 

68 

69 def test_index_to_string(self): 

70 strings = ['+X', '+Y', '+Z', '-X', '-Y', '-Z'] 

71 for i in range(6): 

72 s0 = strings[i] 

73 components = [0.0]*3 

74 components[i % 3] = 1.0 if i < 3 else -1.0 

75 v = UnitVector3d(*components) 

76 f = Mq3cPixelization(0).index(v) 

77 self.assertEqual(Mq3cPixelization.asString(f), s0) 

78 self.assertEqual(Mq3cPixelization(0).toString(f), s0) 

79 for j in range(4): 

80 s1 = s0 + str(j) 

81 self.assertEqual(Mq3cPixelization.asString(f*4 + j), s1) 

82 self.assertEqual(Mq3cPixelization(1).toString(f*4 + j), s1) 

83 

84 def test_string(self): 

85 p = Mq3cPixelization(3) 

86 self.assertEqual(str(p), 'Mq3cPixelization(3)') 

87 self.assertEqual(str(p), repr(p)) 

88 self.assertEqual( 

89 p, eval(repr(p), dict(Mq3cPixelization=Mq3cPixelization))) 

90 

91 def test_pickle(self): 

92 a = Mq3cPixelization(20) 

93 b = pickle.loads(pickle.dumps(a)) 

94 self.assertEqual(a, b) 

95 

96 

97if __name__ == '__main__': 97 ↛ 98line 97 didn't jump to line 98, because the condition on line 97 was never true

98 unittest.main()