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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 Box3d, CONTAINS, DISJOINT, Interval1d, Vector3d 

27 

28 

29class Box3dTestCase(unittest.TestCase): 

30 

31 def test_construction(self): 

32 a = Box3d(Vector3d(0, 0, 0)) 

33 b = Box3d(a) 

34 self.assertEqual(a, b) 

35 self.assertNotEqual(id(a), id(b)) 

36 a = Box3d(Vector3d(1, 2, 3), Vector3d(3, 4, 5)) 

37 b = Box3d(Interval1d(1, 3), Interval1d(2, 4), Interval1d(3, 5)) 

38 c = Box3d(Vector3d(2, 3, 4), 1, 1, 1) 

39 self.assertEqual(a, b) 

40 self.assertEqual(b, c) 

41 i = Interval1d(1, 2) 

42 self.assertEqual(i, Interval1d(1, 2)) 

43 self.assertTrue(Interval1d.empty().isEmpty()) 

44 

45 def test_comparison_operators(self): 

46 self.assertEqual(Box3d(Vector3d(1, 1, 1)), 

47 Vector3d(1, 1, 1)) 

48 self.assertEqual(Box3d(Vector3d(1, 1, 1)), 

49 Box3d(Vector3d(1, 1, 1), Vector3d(1, 1, 1))) 

50 self.assertEqual(Box3d(Vector3d(0, 0, 0), 1, 1, 1), 

51 Box3d(Vector3d(-1, -1, -1), Vector3d(1, 1, 1))) 

52 self.assertNotEqual(Box3d(Vector3d(0, 0, 0), 1, 1, 1), 

53 Box3d(Vector3d(-1, -1, -1), Vector3d(1, 1, 2))) 

54 self.assertNotEqual(Box3d(Vector3d(0, 0, 0), 1, 1, 1), 

55 Vector3d(1, 1, 1)) 

56 

57 def test_center_and_dimensions(self): 

58 b = Box3d(Vector3d(1.5, 1.5, 1.5), 0.5, 1.0, 1.5) 

59 self.assertEqual(b[0], b[-3]) 

60 self.assertEqual(b[1], b[-2]) 

61 self.assertEqual(b[2], b[-1]) 

62 self.assertEqual(b[0], b.x()) 

63 self.assertEqual(b[1], b.y()) 

64 self.assertEqual(b[2], b.z()) 

65 with self.assertRaises(IndexError): 

66 b[-4] 

67 with self.assertRaises(IndexError): 

68 b[3] 

69 self.assertEqual(b.x(), Interval1d(1, 2)) 

70 self.assertEqual(b.y(), Interval1d(0.5, 2.5)) 

71 self.assertEqual(b.z(), Interval1d(0, 3)) 

72 self.assertEqual(b.getCenter(), Vector3d(1.5, 1.5, 1.5)) 

73 self.assertEqual(b.getWidth(), 1) 

74 self.assertEqual(b.getHeight(), 2) 

75 self.assertEqual(b.getDepth(), 3) 

76 self.assertEqual(b.isEmpty(), False) 

77 self.assertEqual(b.isFull(), False) 

78 

79 def test_relationships(self): 

80 b02 = Box3d(Interval1d(0, 2), Interval1d(0, 2), Interval1d(0, 2)) 

81 b13 = Box3d(Interval1d(1, 3), Interval1d(1, 3), Interval1d(1, 3)) 

82 b46 = Box3d(Interval1d(4, 6), Interval1d(4, 6), Interval1d(4, 6)) 

83 b06 = Box3d(Interval1d(0, 6), Interval1d(0, 6), Interval1d(0, 6)) 

84 self.assertTrue(b02.contains(Vector3d(1, 1, 1))) 

85 self.assertTrue(b02.contains(Box3d(Vector3d(1, 1, 1), 0.5, 0.5, 0.5))) 

86 self.assertTrue(b02.isDisjointFrom(Vector3d(3, 3, 3))) 

87 self.assertTrue(b02.isDisjointFrom(b46)) 

88 self.assertTrue(b02.intersects(Vector3d(1, 1, 1))) 

89 self.assertTrue(b02.intersects(b13)) 

90 self.assertTrue(Box3d(Vector3d(1, 1, 1), 0, 0, 0).isWithin(b02)) 

91 self.assertTrue(b02.isWithin(b06)) 

92 r = b02.relate(Vector3d(1, 1, 1)) 

93 self.assertEqual(r, CONTAINS) 

94 r = b46.relate(b02) 

95 self.assertEqual(r, DISJOINT) 

96 

97 def test_expanding_and_clipping(self): 

98 a = Box3d(Vector3d(1, 1, 1), Vector3d(2, 2, 2)) 

99 b = ( 

100 a.expandedTo(Vector3d(3, 3, 3)) 

101 .expandedTo(Box3d(Vector3d(3, 3, 3), 1, 1, 1)) 

102 .clippedTo(Box3d(Vector3d(1, 1, 1), 1, 1, 1)) 

103 .clippedTo(Vector3d(1, 1, 1)) 

104 ) 

105 a.expandTo(Vector3d(3, 3, 3)) 

106 a.expandTo(Box3d(Vector3d(3, 3, 3), 1, 1, 1)) 

107 a.clipTo(Box3d(Vector3d(1, 1, 1), 1, 1, 1)) 

108 a.clipTo(Vector3d(1, 1, 1)) 

109 self.assertEqual(a, b) 

110 self.assertEqual(a, Vector3d(1, 1, 1)) 

111 a.clipTo(Vector3d(0, 0, 0)) 

112 self.assertTrue(a.isEmpty()) 

113 

114 def test_dilation_and_erosion(self): 

115 a = Box3d(Vector3d(0, 0, 0), 1, 1, 1) 

116 b = a.dilatedBy(1).erodedBy(2) 

117 a.dilateBy(1).erodeBy(2) 

118 self.assertEqual(a, b) 

119 self.assertEqual(a, Vector3d(0, 0, 0)) 

120 

121 def test_string(self): 

122 b = Box3d(Vector3d(0, 0, 0), 1, 1, 1) 

123 self.assertEqual(str(b), '[[-1.0, 1.0],\n' 

124 ' [-1.0, 1.0],\n' 

125 ' [-1.0, 1.0]]') 

126 self.assertEqual(repr(b), 'Box3d(Interval1d(-1.0, 1.0),\n' 

127 ' Interval1d(-1.0, 1.0),\n' 

128 ' Interval1d(-1.0, 1.0))') 

129 self.assertEqual( 

130 b, eval(repr(b), dict(Box3d=Box3d, Interval1d=Interval1d))) 

131 

132 def test_pickle(self): 

133 a = Box3d(Vector3d(0, 0, 0), 1, 1, 1) 

134 b = pickle.loads(pickle.dumps(a)) 

135 self.assertEqual(a, b) 

136 

137 

138if __name__ == '__main__': 138 ↛ 139line 138 didn't jump to line 139, because the condition on line 138 was never true

139 unittest.main()