def test_add_sequence(self):
si = SpatialIndex()
ids = [1,2]
geoms = [self.geom_michigan,self.geom_michigan]
si.add(ids,geoms)
ids = list(si._index.intersection(self.geom_michigan.bounds))
self.assertEqual([1,2],ids)
def test_iter_intersects(self):
points = self.geom_michigan_point_grid
si = SpatialIndex()
ids = points.keys()
geoms = [points[i] for i in ids]
si.add(ids, geoms)
intersects_ids = list(si.iter_intersects(self.geom_michigan, points))
self.assertEqual(set(intersects_ids), set([22, 23, 24, 32, 33, 34, 35, 36, 42, 43, 44, 46, 56, 66, 67, 76]))
def test_rtree(self):
from ocgis.util.spatial.index import SpatialIndex
geom_mapping = {1: Point(1, 2)}
si = SpatialIndex()
si.add(1, Point(1, 2))
ret = list(si.iter_intersects(Point(1, 2), geom_mapping))
self.assertEqual(ret, [1])
def test_get_intersection_rtree(self):
points = self.geom_michigan_point_grid
# print self.write_geom_dict(points)
si = SpatialIndex()
ids = points.keys()
geoms = [points[i] for i in ids]
si.add(ids,geoms)
ids = list(si._get_intersection_rtree_(self.geom_michigan))
self.assertEqual(set(ids),set([12, 13, 14, 15, 16, 17, 22, 23, 24, 25, 26, 27, 32, 33, 34, 35, 36, 37, 42, 43, 44, 45, 46, 47, 52, 53, 54, 55, 56, 57, 62, 63, 64, 65, 66, 67, 72, 73, 74, 75, 76, 77, 82, 83, 84, 85, 86, 87]))
def test_iter_intersects_with_polygon(self):
polygon = self.geom_michigan[1]
si = SpatialIndex()
points = self.geom_michigan_point_grid
ids = points.keys()
geoms = [points[i] for i in ids]
si.add(ids, geoms)
intersects_ids = list(si.iter_intersects(polygon, points))
self.assertEqual(intersects_ids, [67])
def test_iter_intersects_with_polygon(self):
polygon = self.geom_michigan[1]
# print 'michigan',self.write_geom_dict({1:polygon},geometry_type='Polygon')
si = SpatialIndex()
points = self.geom_michigan_point_grid
ids = points.keys()
geoms = [points[i] for i in ids]
si.add(ids,geoms)
intersects_ids = list(si.iter_intersects(polygon,points))
# new_geoms = {i:points[i] for i in intersects_ids}
# print 'points',self.write_geom_dict(new_geoms)
self.assertEqual(intersects_ids,[67])
def test_keep_touches(self):
points = self.geom_michigan_point_grid
si = SpatialIndex()
ids = points.keys()
geoms = [points[i] for i in ids]
si.add(ids,geoms)
touch_geom = Point(*mapping(self.geom_michigan)['coordinates'][0][0][3])
si.add(1000,touch_geom)
points[1000] = touch_geom
for keep_touches in [True,False]:
intersects_ids = list(si.iter_intersects(self.geom_michigan,points,keep_touches=keep_touches))
if keep_touches:
self.assertIn(1000,intersects_ids)
else:
self.assertNotIn(1000,intersects_ids)
def test_add_point(self):
pt = self.geom_michigan.centroid
si = SpatialIndex()
si.add(1,pt)
self.assertEqual(tuple(si._index.bounds),pt.bounds)
def test_add_polygon(self):
si = SpatialIndex()
si.add(1,self.geom_michigan)
self.assertEqual(tuple(si._index.bounds),self.geom_michigan.bounds)
