def testCutAtClosestPoint(self):
poly = Poly()
poly.AddPoint(Point(0, 1, 0).Normalize())
poly.AddPoint(Point(0, 0.5, 0.5).Normalize())
poly.AddPoint(Point(0, 0, 1).Normalize())
(before,
after) = poly.CutAtClosestPoint(Point(0, 0.3, 0.7).Normalize())
self.assert_(2 == before.GetNumPoints())
self.assert_(2 == before.GetNumPoints())
self.assertPointApproxEq(Point(0, 0.707106781187, 0.707106781187),
before.GetPoint(1))
self.assertPointApproxEq(Point(0, 0.393919298579, 0.919145030018),
after.GetPoint(0))
poly = Poly()
poly.AddPoint(Point.FromLatLng(40.527035999999995,
-74.191265999999999))
poly.AddPoint(Point.FromLatLng(40.526859999999999,
-74.191140000000004))
poly.AddPoint(Point.FromLatLng(40.524681000000001,
-74.189579999999992))
poly.AddPoint(Point.FromLatLng(40.523128999999997,
-74.188467000000003))
poly.AddPoint(Point.FromLatLng(40.523054999999999,
-74.188676000000001))
pattern = Poly()
pattern.AddPoint(Point.FromLatLng(40.52713, -74.191146000000003))
self.assertApproxEq(14.564268281551, pattern.GreedyPolyMatchDist(poly))
def testGetClosestPointShape(self):
poly = Poly()
poly.AddPoint(Point(1, 1, 0).Normalize())
self.assertPointApproxEq(Point(
0.707106781187, 0.707106781187, 0), poly.GetPoint(0))
point = Point(0, 1, 1).Normalize()
self.assertPointApproxEq(Point(1, 1, 0).Normalize(),
poly.GetClosestPoint(point)[0])
poly.AddPoint(Point(0, 1, 1).Normalize())
self.assertPointApproxEq(
Point(0, 1, 1).Normalize(),
poly.GetClosestPoint(point)[0])
def testPolyMatch(self):
poly = Poly()
poly.AddPoint(Point(0, 1, 0).Normalize())
poly.AddPoint(Point(0, 0.5, 0.5).Normalize())
poly.AddPoint(Point(0, 0, 1).Normalize())
collection = PolyCollection()
collection.AddPoly(poly)
match = collection.FindMatchingPolys(Point(0, 1, 0), Point(0, 0, 1))
self.assert_(len(match) == 1 and match[0] == poly)
match = collection.FindMatchingPolys(Point(0, 1, 0), Point(0, 1, 0))
self.assert_(len(match) == 0)
poly = Poly()
poly.AddPoint(Point.FromLatLng(45.585212, -122.586136))
poly.AddPoint(Point.FromLatLng(45.586654, -122.587595))
collection = PolyCollection()
collection.AddPoly(poly)
match = collection.FindMatchingPolys(
Point.FromLatLng(45.585212, -122.586136),
Point.FromLatLng(45.586654, -122.587595),
)
self.assert_(len(match) == 1 and match[0] == poly)
match = collection.FindMatchingPolys(
Point.FromLatLng(45.585219, -122.586136),
Point.FromLatLng(45.586654, -122.587595),
)
self.assert_(len(match) == 1 and match[0] == poly)
self.assertApproxEq(0.0, poly.GreedyPolyMatchDist(poly))
match = collection.FindMatchingPolys(
Point.FromLatLng(45.587212, -122.586136),
Point.FromLatLng(45.586654, -122.587595),
)
self.assert_(len(match) == 0)
def testMergePolys(self):
poly1 = Poly(name="Foo")
poly1.AddPoint(Point(0, 1, 0).Normalize())
poly1.AddPoint(Point(0, 0.5, 0.5).Normalize())
poly1.AddPoint(Point(0, 0, 1).Normalize())
poly1.AddPoint(Point(1, 1, 1).Normalize())
poly2 = Poly()
poly3 = Poly(name="Bar")
poly3.AddPoint(Point(1, 1, 1).Normalize())
poly3.AddPoint(Point(2, 0.5, 0.5).Normalize())
merged1 = Poly.MergePolys([poly1, poly2])
self.assertPointsApproxEq(poly1.GetPoints(), merged1.GetPoints())
self.assertEqual("Foo;", merged1.GetName())
merged2 = Poly.MergePolys([poly2, poly3])
self.assertPointsApproxEq(poly3.GetPoints(), merged2.GetPoints())
self.assertEqual(";Bar", merged2.GetName())
merged3 = Poly.MergePolys([poly1, poly2, poly3],
merge_point_threshold=0)
mergedPoints = poly1.GetPoints()[:]
mergedPoints.append(poly3.GetPoint(-1))
self.assertPointsApproxEq(mergedPoints, merged3.GetPoints())
self.assertEqual("Foo;;Bar", merged3.GetName())
merged4 = Poly.MergePolys([poly2])
self.assertEqual("", merged4.GetName())
self.assertEqual(0, merged4.GetNumPoints())
# test merging two nearby points
newPoint = poly1.GetPoint(-1).Plus(Point(0.000001, 0, 0)).Normalize()
poly1.AddPoint(newPoint)
distance = poly1.GetPoint(-1).GetDistanceMeters(poly3.GetPoint(0))
self.assertTrue(distance <= 10)
self.assertTrue(distance > 5)
merged5 = Poly.MergePolys([poly1, poly2, poly3],
merge_point_threshold=10)
mergedPoints = poly1.GetPoints()[:]
mergedPoints.append(poly3.GetPoint(-1))
self.assertPointsApproxEq(mergedPoints, merged5.GetPoints())
self.assertEqual("Foo;;Bar", merged5.GetName())
merged6 = Poly.MergePolys([poly1, poly2, poly3],
merge_point_threshold=5)
mergedPoints = poly1.GetPoints()[:]
mergedPoints += poly3.GetPoints()
self.assertPointsApproxEq(mergedPoints, merged6.GetPoints())
self.assertEqual("Foo;;Bar", merged6.GetName())