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, Q3cPixelization, RangeSet, UnitVector3d 

27 

28 

29class Q3cPixelizationTestCase(unittest.TestCase): 

30 

31 def test_construction(self): 

32 with self.assertRaises(ValueError): 

33 Q3cPixelization(-1) 

34 with self.assertRaises(ValueError): 

35 Q3cPixelization(Q3cPixelization.MAX_LEVEL + 1) 

36 q1 = Q3cPixelization(0) 

37 self.assertEqual(q1.getLevel(), 0) 

38 q2 = Q3cPixelization(1) 

39 q3 = Q3cPixelization(q2) 

40 self.assertNotEqual(q1, q2) 

41 self.assertEqual(q2, q3) 

42 

43 def test_indexing(self): 

44 pixelization = Q3cPixelization(1) 

45 self.assertEqual(pixelization.index(UnitVector3d(0.5, -0.5, 1.0)), 0) 

46 

47 def test_envelope_and_interior(self): 

48 pixelization = Q3cPixelization(1) 

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

50 rs = pixelization.envelope(c) 

51 self.assertTrue(rs == RangeSet(4)) 

52 rs = pixelization.envelope(c, 1) 

53 self.assertTrue(rs == RangeSet(4)) 

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

55 rs = pixelization.interior(c) 

56 self.assertTrue(rs.empty()) 

57 

58 def test_index_to_string(self): 

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

60 for i in range(6): 

61 s = strings[i] 

62 components = [0.0]*3 

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

64 v = UnitVector3d(*components) 

65 f = Q3cPixelization(0).index(v) 

66 self.assertEqual(Q3cPixelization(0).toString(f), s) 

67 for j in range(4): 

68 self.assertEqual(Q3cPixelization(1).toString(f*4 + j), 

69 s + str(j)) 

70 

71 def test_string(self): 

72 p = Q3cPixelization(3) 

73 self.assertEqual(str(p), 'Q3cPixelization(3)') 

74 self.assertEqual(str(p), repr(p)) 

75 self.assertEqual( 

76 p, eval(repr(p), dict(Q3cPixelization=Q3cPixelization))) 

77 

78 def test_pickle(self): 

79 a = Q3cPixelization(20) 

80 b = pickle.loads(pickle.dumps(a)) 

81 self.assertEqual(a, b) 

82 

83 

84if __name__ == '__main__': 84 ↛ 85line 84 didn't jump to line 85, because the condition on line 84 was never true

85 unittest.main()