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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 

24 

25import math 

26import unittest 

27 

28from lsst.sphgeom import (Angle, AngleInterval, Box, CONTAINS, DISJOINT, 

29 LonLat, NormalizedAngle, NormalizedAngleInterval, 

30 Region, UnitVector3d) 

31 

32 

33class BoxTestCase(unittest.TestCase): 

34 

35 def test_construction(self): 

36 b = Box(Box.allLongitudes(), Box.allLatitudes()) 

37 self.assertTrue(b.isFull()) 

38 b = Box.fromDegrees(-90, -45, 90, 45) 

39 self.assertEqual(b, Box(b.getLon(), b.getLat())) 

40 a = Box.fromRadians(-0.5 * math.pi, -0.25 * math.pi, 

41 0.5 * math.pi, 0.25 * math.pi) 

42 b = Box(LonLat.fromRadians(-0.5 * math.pi, -0.25 * math.pi), 

43 LonLat.fromRadians(0.5 * math.pi, 0.25 * math.pi)) 

44 c = Box(LonLat.fromRadians(0, 0), 

45 Angle(0.5 * math.pi), Angle(0.25 * math.pi)) 

46 d = c.clone() 

47 self.assertEqual(a, b) 

48 self.assertEqual(b, c) 

49 self.assertEqual(c, d) 

50 self.assertNotEqual(id(c), id(d)) 

51 b = Box() 

52 self.assertTrue(b.isEmpty()) 

53 self.assertTrue(Box.empty().isEmpty()) 

54 self.assertTrue(Box.full().isFull()) 

55 

56 def test_comparison_operators(self): 

57 self.assertEqual(Box(LonLat.fromDegrees(45, 45)), 

58 LonLat.fromDegrees(45, 45)) 

59 self.assertEqual(Box.fromDegrees(90, -45, 180, 45), 

60 Box(NormalizedAngleInterval.fromDegrees(90, 180), 

61 AngleInterval.fromDegrees(-45, 45))) 

62 self.assertNotEqual(Box(LonLat.fromDegrees(45, 45)), 

63 LonLat.fromDegrees(45, 90)) 

64 self.assertNotEqual(Box.fromDegrees(90, -45, 180, 45), 

65 Box.fromDegrees(90, -45, 180, 90)) 

66 

67 def test_center_and_dimensions(self): 

68 b = Box.fromDegrees(-90, -45, 90, 45) 

69 self.assertEqual(b.getCenter(), LonLat.fromDegrees(0, 0)) 

70 self.assertEqual(b.getWidth(), Angle.fromDegrees(180)) 

71 self.assertEqual(b.getHeight(), Angle.fromDegrees(90)) 

72 self.assertEqual(b.getLon().getA(), NormalizedAngle.fromDegrees(-90)) 

73 self.assertEqual(b.getLat().getB(), Angle.fromDegrees(45)) 

74 

75 def test_relationships(self): 

76 b1 = Box.fromDegrees(90, 0, 180, 45) 

77 p = LonLat.fromDegrees(135, 10) 

78 self.assertTrue(p in b1) 

79 self.assertTrue(b1.contains(p)) 

80 b2 = Box.fromDegrees(135, 15, 135, 30) 

81 self.assertTrue(b1.contains(b2)) 

82 self.assertTrue(b2.isWithin(b1)) 

83 b3 = Box.fromDegrees(0, -45, 90, 0) 

84 u = UnitVector3d(1, 1, -1) 

85 self.assertTrue(b1.intersects(b3)) 

86 self.assertTrue(u in b3) 

87 self.assertTrue(b3.contains(u)) 

88 b4 = Box.fromDegrees(200, 10, 300, 20) 

89 self.assertTrue(b1.isDisjointFrom(b4)) 

90 r = b1.relate(LonLat.fromDegrees(135, 10)) 

91 self.assertEqual(r, CONTAINS) 

92 r = b4.relate(b1) 

93 self.assertEqual(r, DISJOINT) 

94 

95 def test_expanding_and_clipping(self): 

96 a = Box.fromDegrees(0, 0, 10, 10) 

97 b = (a.expandedTo(LonLat.fromDegrees(20, 20)) 

98 .expandedTo(Box.fromDegrees(0, 0, 30, 10)) 

99 .clippedTo(Box.fromDegrees(10, 10, 15, 15)) 

100 .clippedTo(LonLat.fromDegrees(11, 11))) 

101 a.expandTo(LonLat.fromDegrees(20, 20)) 

102 a.expandTo(Box.fromDegrees(0, 0, 30, 10)) 

103 a.clipTo(Box.fromDegrees(10, 10, 15, 15)) 

104 a.clipTo(LonLat.fromDegrees(11, 11)) 

105 self.assertEqual(a, b) 

106 self.assertEqual(a, LonLat.fromDegrees(11, 11)) 

107 a.clipTo(LonLat.fromDegrees(0, 0)) 

108 self.assertTrue(a.isEmpty()) 

109 

110 def test_dilation_and_erosion(self): 

111 a = Box.fromRadians(0.5, -0.5, 1.5, 0.5) 

112 b = a.dilatedBy(Angle(0.5), Angle(0.5)).erodedBy(Angle(1), Angle(1)) 

113 a.dilateBy(Angle(0.5), Angle(0.5)).erodeBy(Angle(1), Angle(1)) 

114 self.assertEqual(a, b) 

115 self.assertEqual(a, LonLat.fromRadians(1, 0)) 

116 

117 def test_codec(self): 

118 b = Box.fromRadians(0, 0, 1, 1) 

119 s = b.encode() 

120 self.assertEqual(Box.decode(s), b) 

121 self.assertEqual(Region.decode(s), b) 

122 

123 def test_string(self): 

124 b = Box.fromRadians(0, 0, 1, 1) 

125 self.assertEqual(str(b), 'Box([0.0, 1.0], [0.0, 1.0])') 

126 self.assertEqual( 

127 repr(b), 

128 'Box(NormalizedAngleInterval.fromRadians(0.0, 1.0), ' 

129 'AngleInterval.fromRadians(0.0, 1.0))' 

130 ) 

131 self.assertEqual(b, eval(repr(b), dict( 

132 AngleInterval=AngleInterval, Box=Box, 

133 NormalizedAngleInterval=NormalizedAngleInterval 

134 ))) 

135 

136 def test_pickle(self): 

137 a = Box.fromDegrees(0, 0, 10, 10) 

138 b = pickle.loads(pickle.dumps(a, pickle.HIGHEST_PROTOCOL)) 

139 self.assertEqual(a, b) 

140 

141 

142if __name__ == '__main__': 142 ↛ 143line 142 didn't jump to line 143, because the condition on line 142 was never true

143 unittest.main()