79 |
self.assertEquals(layer.GetProjection(), None) |
self.assertEquals(layer.GetProjection(), None) |
80 |
|
|
81 |
# set/get projection |
# set/get projection |
82 |
proj = Projection(["proj=utm", "zone=26"]) |
proj = Projection(["proj=utm", "zone=26", "ellps=clrk66"]) |
83 |
|
|
84 |
layer.SetProjection(proj) |
layer.SetProjection(proj) |
85 |
self.failUnless(layer.GetProjection() is proj) |
self.failUnless(layer.GetProjection() is proj) |
165 |
self.assertEquals([s.ShapeID() for s in shapes], |
self.assertEquals([s.ShapeID() for s in shapes], |
166 |
[0, 1, 2, 3, 4, 5, 27, 28, 29, 30, 31]) |
[0, 1, 2, 3, 4, 5, 27, 28, 29, 30, 31]) |
167 |
|
|
168 |
def test_point_layer_with_projection(self): |
def test_arc_layer_with_projection(self): |
169 |
"""Test Layer with point shapes and a projection""" |
"""Test Layer with point shapes and a projection""" |
170 |
# We use mock data here so that we have precise control over the |
# We use mock data here so that we have precise control over the |
171 |
# values |
# values |
172 |
table = MemoryTable([("FOO", FIELDTYPE_STRING)], [("bla",)]) |
table = MemoryTable([("FOO", FIELDTYPE_STRING)], [("bla",)]) |
173 |
store = mockgeo.SimpleShapeStore(SHAPETYPE_POINT, [[[(10,10)]]], table) |
store = mockgeo.SimpleShapeStore(SHAPETYPE_ARC, |
174 |
|
[[[(9884848.1401601825, 5607709.9111020016), |
175 |
|
(11298371.027199602, 9287809.2948032897)]]], |
176 |
|
table) |
177 |
layer = self.layer = Layer("Test Layer", store) |
layer = self.layer = Layer("Test Layer", store) |
178 |
|
|
179 |
# Rotation by 45 degrees counter clockwise. This detects a bug |
proj = Projection(["proj=lcc", "lon_0=0", "lat_1=20n", "lat_2=60n"]) |
|
# in the ShapesInRegion method which transforms the bounding box |
|
|
# by only transforming two opposite corners because they have |
|
|
# the same x or y coordinates after application of the |
|
|
# projection or its inverse. |
|
|
proj = mockgeo.AffineProjection((1, 1, -1, 1, 0, 0)) |
|
180 |
layer.SetProjection(proj) |
layer.SetProjection(proj) |
181 |
|
|
182 |
self.assertEquals(layer.BoundingBox(), (10, 10, 10, 10)) |
self.assertFloatSeqEqual(layer.BoundingBox(), |
183 |
self.assertEquals(layer.LatLongBoundingBox(), (10.0, 0.0, 10.0, 0.0)) |
(9884848.1401601825, 5607709.9111020016, |
184 |
shapes = layer.ShapesInRegion((0, 0, 20, 20)) |
11298371.027199602, 9287809.2948032897)) |
185 |
|
self.assertFloatSeqEqual(layer.LatLongBoundingBox(), |
186 |
|
(90.0, -8.899852, 120, 11.16092)) |
187 |
|
shapes = layer.ShapesInRegion((100, -10, 150, +10)) |
188 |
self.assertEquals([s.ShapeID() for s in shapes], [0]) |
self.assertEquals([s.ShapeID() for s in shapes], [0]) |
189 |
|
self.assertFloatSeqEqual(layer.ShapesBoundingBox([0]), |
190 |
|
(90.0, -8.899852, 120, 11.16092)) |
191 |
|
|
192 |
def test_empty_layer(self): |
def test_empty_layer(self): |
193 |
"""Test Layer with empty shape file""" |
"""Test Layer with empty shape file""" |
200 |
dbffilename = self.temp_file_name("layer_empty.dbf") |
dbffilename = self.temp_file_name("layer_empty.dbf") |
201 |
dbf = dbflib.create(dbffilename) |
dbf = dbflib.create(dbffilename) |
202 |
dbf.add_field("NAME", dbflib.FTString, 20, 0) |
dbf.add_field("NAME", dbflib.FTString, 20, 0) |
203 |
|
dbf.close() |
204 |
|
|
205 |
# Now try to open it. |
# Now try to open it. |
206 |
layer = self.layer = Layer("Empty Layer", |
layer = self.layer = Layer("Empty Layer", |