/[thuban]/branches/WIP-pyshapelib-bramz/test/test_layer.py
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revision 1576 by bh, Mon Aug 11 12:08:26 2003 UTC revision 1593 by bh, Fri Aug 15 14:10:27 2003 UTC
# Line 16  __version__ = "$Revision$" Line 16  __version__ = "$Revision$"
16  import os  import os
17  import unittest  import unittest
18    
19    import mockgeo
20  import support  import support
21  support.initthuban()  support.initthuban()
22    
# Line 102  class TestLayer(unittest.TestCase, suppo Line 103  class TestLayer(unittest.TestCase, suppo
103          self.assertFloatSeqEqual(layer.BoundingBox(),          self.assertFloatSeqEqual(layer.BoundingBox(),
104                                   [-24.450359344482422, 63.426830291748047,                                   [-24.450359344482422, 63.426830291748047,
105                                    -13.55668830871582, 66.520111083984375])                                    -13.55668830871582, 66.520111083984375])
106          self.assertEquals(layer.ShapesInRegion((-24.0, 64.0, -23.75, 64.25)),          shapes = layer.ShapesInRegion((-24.0, 64.0, -23.75, 64.25))
107            self.assertEquals([s.ShapeID() for s in shapes],
108                            [613, 726, 838])                            [613, 726, 838])
109    
110          self.assertFloatSeqEqual(layer.ShapesBoundingBox([32]),          self.assertFloatSeqEqual(layer.ShapesBoundingBox([32]),
# Line 140  class TestLayer(unittest.TestCase, suppo Line 142  class TestLayer(unittest.TestCase, suppo
142          self.assertFloatSeqEqual(layer.BoundingBox(),          self.assertFloatSeqEqual(layer.BoundingBox(),
143                                   [-24.546524047851562, 63.286754608154297,                                   [-24.546524047851562, 63.286754608154297,
144                                    -13.495815277099609, 66.563774108886719])                                    -13.495815277099609, 66.563774108886719])
145          self.assertEquals(layer.ShapesInRegion((-24.0, 64.0, -23.9, 64.1)),          shapes = layer.ShapesInRegion((-24.0, 64.0, -23.9, 64.1))
146            self.assertEquals([s.ShapeID() for s in shapes],
147                            [91, 92, 144, 146, 148, 150, 152, 153])                            [91, 92, 144, 146, 148, 150, 152, 153])
148    
149      def test_point_layer(self):      def test_point_layer(self):
# Line 157  class TestLayer(unittest.TestCase, suppo Line 160  class TestLayer(unittest.TestCase, suppo
160          self.assertFloatSeqEqual(layer.BoundingBox(),          self.assertFloatSeqEqual(layer.BoundingBox(),
161                                   [-23.806047439575195, 63.405960083007812,                                   [-23.806047439575195, 63.405960083007812,
162                                    -15.12291431427002, 66.36572265625])                                    -15.12291431427002, 66.36572265625])
163          self.assertEquals(layer.ShapesInRegion((-24.0, 64.0, -23.80, 64.1)),          shapes = layer.ShapesInRegion((-24.0, 64.0, -23.80, 64.1))
164            self.assertEquals([s.ShapeID() for s in shapes],
165                            [0, 1, 2, 3, 4, 5, 27, 28, 29, 30, 31])                            [0, 1, 2, 3, 4, 5, 27, 28, 29, 30, 31])
166    
167        def test_point_layer_with_projection(self):
168            """Test Layer with point shapes and a projection"""
169            # We use mock data here so that we have precise control over the
170            # values
171            table = MemoryTable([("FOO", FIELDTYPE_STRING)], [("bla",)])
172            store = mockgeo.SimpleShapeStore(SHAPETYPE_POINT, [[[(10,10)]]], table)
173            layer = self.layer = Layer("Test Layer", store)
174    
175            # Rotation by 45 degrees counter clockwise. This detects a bug
176            # in the ShapesInRegion method which transforms the bounding box
177            # by only transforming two opposite corners because they have
178            # the same x or y coordinates after application of the
179            # projection or its inverse.
180            proj = mockgeo.AffineProjection((1, 1, -1, 1, 0, 0))
181            layer.SetProjection(proj)
182    
183            self.assertEquals(layer.BoundingBox(), (10, 10, 10, 10))
184            self.assertEquals(layer.LatLongBoundingBox(), (10.0, 0.0, 10.0, 0.0))
185            shapes = layer.ShapesInRegion((0, 0, 20, 20))
186            self.assertEquals([s.ShapeID() for s in shapes], [0])
187    
188      def test_empty_layer(self):      def test_empty_layer(self):
189          """Test Layer with empty shape file"""          """Test Layer with empty shape file"""
190          # create an empty shape file          # create an empty shape file
# Line 221  class TestLayer(unittest.TestCase, suppo Line 246  class TestLayer(unittest.TestCase, suppo
246              self.assertFloatSeqEqual(layer.BoundingBox(),              self.assertFloatSeqEqual(layer.BoundingBox(),
247                                       [-24.450359344482422, 63.426830291748047,                                       [-24.450359344482422, 63.426830291748047,
248                                        -13.55668830871582, 66.520111083984375])                                        -13.55668830871582, 66.520111083984375])
249              self.assertEquals(layer.ShapesInRegion((-24.0, 64.0,              shapes = layer.ShapesInRegion((-24.0, 64.0, -23.75, 64.25))
250                                                      -23.75, 64.25)),              self.assertEquals([s.ShapeID() for s in shapes],
251                                [613, 726, 838])                                [613, 726, 838])
252    
253              self.assertFloatSeqEqual(layer.ShapesBoundingBox([32]),              self.assertFloatSeqEqual(layer.ShapesBoundingBox([32]),
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