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# Copyright (c) 2002, 2003 by Intevation GmbH |
# Copyright (c) 2002, 2003, 2004 by Intevation GmbH |
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# Authors: |
# Authors: |
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# Bernhard Herzog <[email protected]> |
# Bernhard Herzog <[email protected]> |
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# |
# |
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import os |
import os |
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import unittest |
import unittest |
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import mockgeo |
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import support |
import support |
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support.initthuban() |
support.initthuban() |
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import dbflib |
import dbflib |
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from Thuban.Model.session import Session |
from Thuban.Model.session import Session |
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from Thuban.Model.layer import BaseLayer, Layer, RasterLayer, \ |
from Thuban.Model.layer import BaseLayer, Layer, RasterLayer |
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SHAPETYPE_POLYGON, SHAPETYPE_ARC, SHAPETYPE_POINT |
from Thuban.Model.data import SHAPETYPE_POLYGON, SHAPETYPE_ARC, SHAPETYPE_POINT |
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from Thuban.Model.messages import LAYER_LEGEND_CHANGED, \ |
from Thuban.Model.messages import LAYER_LEGEND_CHANGED, \ |
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LAYER_VISIBILITY_CHANGED |
LAYER_VISIBILITY_CHANGED, LAYER_SHAPESTORE_REPLACED, LAYER_CHANGED |
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from Thuban.Model.color import Color |
from Thuban.Model.table import FIELDTYPE_DOUBLE, FIELDTYPE_STRING, MemoryTable |
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from Thuban.Model.table import FIELDTYPE_DOUBLE |
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from Thuban.Model.proj import Projection |
from Thuban.Model.proj import Projection |
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from Thuban.Model.data import DerivedShapeStore |
from Thuban.Model.data import DerivedShapeStore |
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from Thuban.Model.classification import Classification, ClassGroupSingleton, \ |
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ClassGroupRange |
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import Thuban.Model.resource |
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class TestLayer(unittest.TestCase, support.FileTestMixin, |
class TestLayer(unittest.TestCase, support.FileTestMixin, |
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support.FloatComparisonMixin): |
support.FloatComparisonMixin): |
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"""Test cases for different layer (shape) types""" |
"""Test cases for different layer (shape) types""" |
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def assertFloatTuplesEqual(self, test, value): |
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"""Assert equality of two lists of tuples of float""" |
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for i in range(len(test)): |
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self.assertFloatSeqEqual(test[i], value[i]) |
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def setUp(self): |
def setUp(self): |
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"""Create a session self.session and initialize self.layer to None""" |
"""Create a session self.session and initialize self.layer to None""" |
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self.session = Session("Test session for %s" % self.__class__) |
self.session = Session("Test session for %s" % self.__class__) |
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def tearDown(self): |
def tearDown(self): |
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"""Call the layer's Destroy method and set session and layer to None""" |
"""Call the layer's Destroy method and set session and layer to None""" |
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self.session.Destroy() |
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self.session = None |
self.session = None |
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if self.layer is not None: |
if self.layer is not None: |
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self.layer.Destroy() |
self.layer.Destroy() |
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self.failUnless(layer.Visible()) |
self.failUnless(layer.Visible()) |
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self.failIf(layer.HasClassification()) |
self.failIf(layer.HasClassification()) |
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self.failIf(layer.HasShapes()) |
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self.assertEquals(layer.GetProjection(), None) |
self.assertEquals(layer.GetProjection(), None) |
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# set/get projection |
# set/get projection |
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proj = Projection(["proj=utm", "zone=26"]) |
proj = Projection(["proj=utm", "zone=26", "ellps=clrk66"]) |
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layer.SetProjection(proj) |
layer.SetProjection(proj) |
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self.failUnless(layer.GetProjection() is proj) |
self.failUnless(layer.GetProjection() is proj) |
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"""Test Layer with arc shapes""" |
"""Test Layer with arc shapes""" |
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layer = self.layer = Layer("Test Layer", |
layer = self.layer = Layer("Test Layer", |
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self.open_shapefile("roads-line.shp")) |
self.open_shapefile("roads-line.shp")) |
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self.failUnless(layer.HasClassification()) |
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self.failUnless(layer.HasShapes()) |
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self.assertEquals(layer.ShapeType(), SHAPETYPE_ARC) |
self.assertEquals(layer.ShapeType(), SHAPETYPE_ARC) |
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self.assertEquals(layer.NumShapes(), 839) |
self.assertEquals(layer.NumShapes(), 839) |
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shape = layer.Shape(32) |
shape = layer.Shape(32) |
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self.assertFloatTuplesEqual(shape.Points(), |
self.assertPointListEquals(shape.Points(), |
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[(-15.082174301147461, 66.27738189697265), |
[[(-15.082174301147461, 66.27738189697265), |
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(-15.026350021362305, 66.27339172363281)]) |
(-15.026350021362305, 66.27339172363281)]]) |
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self.assertFloatSeqEqual(layer.BoundingBox(), |
self.assertFloatSeqEqual(layer.BoundingBox(), |
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[-24.450359344482422, 63.426830291748047, |
[-24.450359344482422, 63.426830291748047, |
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-13.55668830871582, 66.520111083984375]) |
-13.55668830871582, 66.520111083984375]) |
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self.assertEquals(layer.ShapesInRegion((-24.0, 64.0, -23.75, 64.25)), |
shapes = layer.ShapesInRegion((-24.0, 64.0, -23.75, 64.25)) |
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self.assertEquals([s.ShapeID() for s in shapes], |
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[613, 726, 838]) |
[613, 726, 838]) |
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self.assertFloatSeqEqual(layer.ShapesBoundingBox([32]), |
self.assertFloatSeqEqual(layer.ShapesBoundingBox([32]), |
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-15.026350021362305, 66.27738189697265]) |
-15.026350021362305, 66.27738189697265]) |
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shape = layer.Shape(33) |
shape = layer.Shape(33) |
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self.assertFloatTuplesEqual(shape.Points(), |
self.assertPointListEquals(shape.Points(), |
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[(-22.248506546020508, 66.30645751953125), |
[[(-22.24850654602050, 66.30645751953125), |
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(-22.232730865478516, 66.294075012207031), |
(-22.23273086547851, 66.29407501220703), |
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(-22.23158073425293, 66.287689208984375), |
(-22.23158073425293, 66.2876892089843), |
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(-22.246318817138672, 66.270065307617188)]) |
(-22.24631881713867, 66.27006530761718)]]) |
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self.assertFloatSeqEqual(layer.ShapesBoundingBox([32, 33]), |
self.assertFloatSeqEqual(layer.ShapesBoundingBox([32, 33]), |
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[-22.248506546020508, 66.270065307617188, |
[-22.248506546020508, 66.270065307617188, |
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"""Test Layer with polygon shapes""" |
"""Test Layer with polygon shapes""" |
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layer = self.layer = Layer("Test Layer", |
layer = self.layer = Layer("Test Layer", |
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self.open_shapefile("political.shp")) |
self.open_shapefile("political.shp")) |
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self.failUnless(layer.HasClassification()) |
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self.failUnless(layer.HasShapes()) |
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self.assertEquals(layer.ShapeType(), SHAPETYPE_POLYGON) |
self.assertEquals(layer.ShapeType(), SHAPETYPE_POLYGON) |
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self.assertEquals(layer.NumShapes(), 156) |
self.assertEquals(layer.NumShapes(), 156) |
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shape = layer.Shape(4) |
shape = layer.Shape(4) |
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self.assertFloatTuplesEqual(shape.Points(), |
self.assertPointListEquals(shape.Points(), |
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[(-22.406391143798828, 64.714111328125), |
[[(-22.40639114379882, 64.714111328125), |
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(-22.41621208190918, 64.71600341796875), |
(-22.41621208190918, 64.7160034179687), |
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(-22.406051635742188, 64.719200134277344), |
(-22.40605163574218, 64.719200134277), |
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(-22.406391143798828, 64.714111328125)]) |
(-22.40639114379882, 64.714111328125)]]) |
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self.assertFloatSeqEqual(layer.BoundingBox(), |
self.assertFloatSeqEqual(layer.BoundingBox(), |
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[-24.546524047851562, 63.286754608154297, |
[-24.546524047851562, 63.286754608154297, |
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-13.495815277099609, 66.563774108886719]) |
-13.495815277099609, 66.563774108886719]) |
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self.assertEquals(layer.ShapesInRegion((-24.0, 64.0, -23.9, 64.1)), |
shapes = layer.ShapesInRegion((-24.0, 64.0, -23.9, 64.1)) |
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self.assertEquals([s.ShapeID() for s in shapes], |
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[91, 92, 144, 146, 148, 150, 152, 153]) |
[91, 92, 144, 146, 148, 150, 152, 153]) |
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def test_point_layer(self): |
def test_point_layer(self): |
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"""Test Layer with point shapes""" |
"""Test Layer with point shapes""" |
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layer = self.layer = Layer("Test Layer", |
layer = self.layer = Layer("Test Layer", |
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self.open_shapefile("cultural_landmark-point.shp")) |
self.open_shapefile("cultural_landmark-point.shp")) |
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self.failUnless(layer.HasClassification()) |
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self.failUnless(layer.HasShapes()) |
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self.assertEquals(layer.ShapeType(), SHAPETYPE_POINT) |
self.assertEquals(layer.ShapeType(), SHAPETYPE_POINT) |
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self.assertEquals(layer.NumShapes(), 34) |
self.assertEquals(layer.NumShapes(), 34) |
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shape = layer.Shape(0) |
shape = layer.Shape(0) |
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self.assertFloatTuplesEqual(shape.Points(), |
self.assertPointListEquals(shape.Points(), |
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[(-22.711074829101562, 66.36572265625)]) |
[[(-22.711074829101562, 66.36572265625)]]) |
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self.assertFloatSeqEqual(layer.BoundingBox(), |
self.assertFloatSeqEqual(layer.BoundingBox(), |
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[-23.806047439575195, 63.405960083007812, |
[-23.806047439575195, 63.405960083007812, |
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-15.12291431427002, 66.36572265625]) |
-15.12291431427002, 66.36572265625]) |
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self.assertEquals(layer.ShapesInRegion((-24.0, 64.0, -23.80, 64.1)), |
shapes = layer.ShapesInRegion((-24.0, 64.0, -23.80, 64.1)) |
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self.assertEquals([s.ShapeID() for s in shapes], |
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[0, 1, 2, 3, 4, 5, 27, 28, 29, 30, 31]) |
[0, 1, 2, 3, 4, 5, 27, 28, 29, 30, 31]) |
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def test_arc_layer_with_projection(self): |
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"""Test Layer with point shapes and a projection""" |
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# We use mock data here so that we have precise control over the |
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# values |
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table = MemoryTable([("FOO", FIELDTYPE_STRING)], [("bla",)]) |
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store = mockgeo.SimpleShapeStore(SHAPETYPE_ARC, |
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[[[(9884828.7209840547, 5607720.9774499247), |
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(11298336.04640449, 9287823.2044059951)]]], |
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table) |
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layer = self.layer = Layer("Test Layer", store) |
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proj = Projection(["proj=lcc", "lon_0=0", "lat_1=20n", "lat_2=60n", |
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"ellps=clrk66"]) |
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layer.SetProjection(proj) |
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self.assertFloatSeqEqual(layer.BoundingBox(), |
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(9884828.7209840547, 5607720.9774499247, |
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11298336.04640449, 9287823.2044059951)) |
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self.assertFloatSeqEqual(layer.LatLongBoundingBox(), |
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(90.0, -8.90043373, 120, 11.1616263)) |
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shapes = layer.ShapesInRegion((100, -10, 150, +10)) |
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self.assertEquals([s.ShapeID() for s in shapes], [0]) |
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self.assertFloatSeqEqual(layer.ShapesBoundingBox([0]), |
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(90.0, -8.90043373, 120, 11.1616263)) |
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def test_empty_layer(self): |
def test_empty_layer(self): |
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"""Test Layer with empty shape file""" |
"""Test Layer with empty shape file""" |
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# create an empty shape file |
# create an empty shape file |
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dbffilename = self.temp_file_name("layer_empty.dbf") |
dbffilename = self.temp_file_name("layer_empty.dbf") |
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dbf = dbflib.create(dbffilename) |
dbf = dbflib.create(dbffilename) |
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dbf.add_field("NAME", dbflib.FTString, 20, 0) |
dbf.add_field("NAME", dbflib.FTString, 20, 0) |
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dbf.close() |
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# Now try to open it. |
# Now try to open it. |
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layer = self.layer = Layer("Empty Layer", |
layer = self.layer = Layer("Empty Layer", |
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self.assertEquals(layer.GetFieldType("non existing"), None) |
self.assertEquals(layer.GetFieldType("non existing"), None) |
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def test_raster_layer(self): |
def test_raster_layer(self): |
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if not Thuban.Model.resource.has_gdal_support(): |
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raise support.SkipTest("No gdal support") |
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filename = self.build_path("island.tif") |
filename = self.build_path("island.tif") |
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layer = RasterLayer("Test RasterLayer", filename) |
layer = RasterLayer("Test RasterLayer", filename) |
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self.assertEquals(layer.GetImageFilename(), filename) |
self.failIf(layer.HasClassification()) |
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self.failIf(layer.HasShapes()) |
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self.assertEquals(layer.GetImageFilename(), os.path.abspath(filename)) |
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self.assertFloatSeqEqual(layer.BoundingBox(), |
self.assertFloatSeqEqual(layer.BoundingBox(), |
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[-24.5500000, 63.2833330, |
[-24.5500000, 63.2833330, |
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-13.4916670, 66.5666670]) |
-13.4916670, 66.5666670]) |
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derived = DerivedShapeStore(store, store.Table()) |
derived = DerivedShapeStore(store, store.Table()) |
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layer.SetShapeStore(derived) |
layer.SetShapeStore(derived) |
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self.assert_(layer.ShapeStore() is derived) |
self.assert_(layer.ShapeStore() is derived) |
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self.assertEquals(layer.ShapeType(), SHAPETYPE_ARC) |
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self.assertEquals(layer.NumShapes(), 839) |
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shape = layer.Shape(32) |
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self.assertPointListEquals(shape.Points(), |
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[[(-15.082174301147, 66.277381896972), |
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(-15.026350021362, 66.273391723632)]]) |
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self.assertFloatSeqEqual(layer.BoundingBox(), |
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[-24.450359344482422, 63.426830291748047, |
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-13.55668830871582, 66.520111083984375]) |
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shapes = layer.ShapesInRegion((-24.0, 64.0, -23.75, 64.25)) |
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self.assertEquals([s.ShapeID() for s in shapes], |
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[613, 726, 838]) |
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self.assertFloatSeqEqual(layer.ShapesBoundingBox([32]), |
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[-15.082174301147461, 66.27339172363281, |
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-15.026350021362305, 66.27738189697265]) |
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finally: |
finally: |
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store = derived = None |
store = derived = None |
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class TestLayerLegend(unittest.TestCase, support.SubscriberMixin): |
class SetShapeStoreTests(unittest.TestCase, support.SubscriberMixin): |
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def setUp(self): |
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"""Create a layer with a classification as self.layer""" |
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self.clear_messages() |
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self.session = Session("Test session for %s" % self.__class__) |
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self.shapefilename = os.path.join("..", "Data", "iceland", |
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"cultural_landmark-point.dbf") |
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self.store = self.session.OpenShapefile(self.shapefilename) |
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self.layer = Layer("test layer", self.store) |
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self.classification = Classification() |
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self.classification.AppendGroup(ClassGroupSingleton("FARM")) |
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self.layer.SetClassificationColumn("CLPTLABEL") |
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self.layer.SetClassification(self.classification) |
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self.layer.UnsetModified() |
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self.layer.Subscribe(LAYER_SHAPESTORE_REPLACED, |
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self.subscribe_with_params, |
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LAYER_SHAPESTORE_REPLACED) |
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self.layer.Subscribe(LAYER_CHANGED, |
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self.subscribe_with_params, LAYER_CHANGED) |
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def tearDown(self): |
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self.clear_messages() |
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self.layer.Destroy() |
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self.session.Destroy() |
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self.session = self.layer = self.store = self.classification = None |
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def test_sanity(self): |
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"""SetShapeStoreTests sanity check |
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Test the initial state of the test case instances after setUp. |
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""" |
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cls = self.layer.GetClassification() |
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self.assert_(cls is self.classification) |
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field = self.layer.GetClassificationColumn() |
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self.assertEquals(field, "CLPTLABEL") |
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self.assertEquals(self.layer.GetFieldType(field), FIELDTYPE_STRING) |
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self.assertEquals(self.layer.GetClassification().GetNumGroups(), 1) |
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self.failIf(self.layer.WasModified()) |
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def test_set_shape_store_modified_flag(self): |
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"""Test whether Layer.SetShapeStore() sets the modified flag""" |
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memtable = MemoryTable([("FOO", FIELDTYPE_STRING)], |
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[("bla",)] * self.layer.ShapeStore().Table().NumRows()) |
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self.layer.SetShapeStore(DerivedShapeStore(self.store, memtable)) |
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self.assert_(self.layer.WasModified()) |
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def test_set_shape_store_different_field_name(self): |
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"""Test Layer.SetShapeStore() with different column name""" |
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memtable = MemoryTable([("FOO", FIELDTYPE_STRING)], |
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[("bla",)] * self.layer.ShapeStore().Table().NumRows()) |
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self.layer.SetShapeStore(DerivedShapeStore(self.store, memtable)) |
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# The classification should contain only the default group now. |
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self.assertEquals(self.layer.GetClassification().GetNumGroups(), 0) |
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self.check_messages([(self.layer, LAYER_CHANGED), |
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(self.layer, LAYER_SHAPESTORE_REPLACED)]) |
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def test_set_shape_store_same_field(self): |
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"""Test Layer.SetShapeStore() with same column name and type""" |
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memtable = MemoryTable([("CLPTLABEL", FIELDTYPE_STRING)], |
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[("bla",)] * self.layer.ShapeStore().Table().NumRows()) |
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self.layer.SetShapeStore(DerivedShapeStore(self.store, memtable)) |
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# The classification should be the same as before |
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self.assert_(self.layer.GetClassification() is self.classification) |
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self.check_messages([(self.layer, LAYER_SHAPESTORE_REPLACED)]) |
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def test_set_shape_store_same_field_different_type(self): |
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"""Test Layer.SetShapeStore() with same column name but different type |
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""" |
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memtable = MemoryTable([("CLPTLABEL", FIELDTYPE_DOUBLE)], |
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[(0.0,)] * self.layer.ShapeStore().Table().NumRows()) |
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self.layer.SetShapeStore(DerivedShapeStore(self.store, memtable)) |
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# The classification should contain only the default group now. |
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self.assertEquals(self.layer.GetClassification().GetNumGroups(), 0) |
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self.check_messages([(self.layer, LAYER_CHANGED), |
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(self.layer, LAYER_SHAPESTORE_REPLACED)]) |
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class TestLayerModification(unittest.TestCase, support.SubscriberMixin): |
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|
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"""Test cases for Layer method that modify the layer. |
"""Test cases for Layer method that modify the layer. |
349 |
""" |
""" |
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""" |
""" |
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self.clear_messages() |
self.clear_messages() |
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self.session = Session("Test session for %s" % self.__class__) |
self.session = Session("Test session for %s" % self.__class__) |
358 |
filename = os.path.join("..", "Data", "iceland", "political.shp") |
self.filename = os.path.join("..", "Data", "iceland", "political.shp") |
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self.layer = Layer("Test Layer", |
self.layer = Layer("Test Layer", |
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self.session.OpenShapefile(filename)) |
self.session.OpenShapefile(self.filename)) |
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self.layer.Subscribe(LAYER_LEGEND_CHANGED, self.subscribe_with_params, |
self.layer.Subscribe(LAYER_LEGEND_CHANGED, self.subscribe_with_params, |
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LAYER_LEGEND_CHANGED) |
LAYER_LEGEND_CHANGED) |
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self.layer.Subscribe(LAYER_VISIBILITY_CHANGED, |
self.layer.Subscribe(LAYER_VISIBILITY_CHANGED, |
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self.subscribe_with_params, |
self.subscribe_with_params, |
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LAYER_VISIBILITY_CHANGED) |
LAYER_VISIBILITY_CHANGED) |
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self.layer.Subscribe(LAYER_CHANGED, self.subscribe_with_params, |
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LAYER_CHANGED) |
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def tearDown(self): |
def tearDown(self): |
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"""Clear the list of received messages and explictly destroy self.layer |
"""Clear the list of received messages and explictly destroy self.layer |
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self.session = None |
self.session = None |
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self.clear_messages() |
self.clear_messages() |
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|
|
378 |
def test_initial_settings(self): |
def test_sanity(self): |
379 |
"""Test Layer's initial legend attributes""" |
"""TestLayerModification Sanity Checks""" |
380 |
# test default settings |
# test default settings |
381 |
self.failIf(self.layer.WasModified()) |
self.failIf(self.layer.WasModified()) |
|
#self.assertEquals(self.layer.fill, None) |
|
|
#self.assertEquals(self.layer.stroke.hex(), "#000000") |
|
|
#self.assertEquals(self.layer.stroke_width, 1) |
|
382 |
self.assertEquals(self.layer.Visible(), 1) |
self.assertEquals(self.layer.Visible(), 1) |
383 |
# no messages should have been produced |
# no messages should have been produced |
384 |
self.check_messages([]) |
self.check_messages([]) |
393 |
# the layer. |
# the layer. |
394 |
self.failIf(self.layer.WasModified()) |
self.failIf(self.layer.WasModified()) |
395 |
|
|
396 |
|
def test_set_classification(self): |
397 |
# |
"""Test Layer.SetClassification""" |
398 |
# the tree info now contains Color objects which are difficult to test |
classification = Classification() |
399 |
# |
classification.AppendGroup(ClassGroupRange((0.0, 0.1))) |
400 |
# def test_tree_info(self): |
|
401 |
# """Test Layer.TreeInfo""" |
self.layer.SetClassification(classification) |
402 |
# self.assertEquals(self.layer.TreeInfo(), |
self.layer.SetClassificationColumn("AREA") |
403 |
# ("Layer 'Test Layer'", |
|
404 |
# ['Shown', |
self.check_messages([(self.layer, LAYER_CHANGED), |
405 |
# 'Shapes: 156', |
(self.layer, LAYER_CHANGED)]) |
406 |
# ('Extent (lat-lon):' |
self.failUnless(self.layer.WasModified()) |
407 |
# ' (-24.5465, 63.2868, -13.4958, 66.5638)'), |
|
408 |
# 'Shapetype: Polygon', |
self.clear_messages() |
409 |
# 'Fill: None', |
self.layer.UnsetModified() |
410 |
# 'Outline: (0.000, 0.000, 0.000)'])) |
|
411 |
|
# change only the classification column. This should issue a |
412 |
|
# LAYER_CHANGED message as well. |
413 |
|
self.layer.SetClassificationColumn("PERIMETER") |
414 |
|
|
415 |
|
self.check_messages([(self.layer, LAYER_CHANGED)]) |
416 |
|
self.failUnless(self.layer.WasModified()) |
417 |
|
|
418 |
|
|
419 |
|
def test_tree_info(self): |
420 |
|
"""Test Layer.TreeInfo""" |
421 |
|
self.assertEquals(self.layer.TreeInfo(), |
422 |
|
("Layer 'Test Layer'", |
423 |
|
['Filename: %s' % os.path.abspath(self.filename), |
424 |
|
'Shown', |
425 |
|
'Shapes: 156', |
426 |
|
'Extent (lat-lon): (-24.5465, 63.2868, -13.4958, 66.5638)', |
427 |
|
'Shapetype: Polygon', |
428 |
|
self.layer.GetClassification()])) |
429 |
|
|
430 |
|
|
431 |
if __name__ == "__main__": |
if __name__ == "__main__": |