def serialize_polygon(self, geometry: Polygon) -> gpb.Geometry:
# get outer ring
exterior_linestring = geometry.exterior
# get inner linear rings
interior_rings = geometry.interiors
exterior_coords = [
self.create_coordinate_from_tuple(coord)
for coord in list(exterior_linestring.coords)
]
external_geo = gpb.Geometry(coordinates=exterior_coords)
geo_polygon = None
if len(interior_rings) > 0:
interior_geometries = []
for linear_ring in interior_rings:
ring_coords = [
self.create_coordinate_from_tuple(coord)
for coord in linear_ring.coords
]
iGeo = gpb.Geometry(coordinates=ring_coords, )
interior_geometries.append(iGeo)
interiorGeos = gpb.Geometry(geometries=interior_geometries, )
geo_polygon = gpb.Geometry(type=gpb.Type.POLYGON,
geometries=[external_geo, interiorGeos])
else:
geo_polygon = gpb.Geometry(type=gpb.Type.POLYGON,
geometries=[external_geo])
return geo_polygon
def serialize_point(self, p: Point) -> gpb.Geometry:
try:
coordinate = gpb.Coordinate(x=p.x, y=p.y, z=p.z, has_z=True)
except DimensionError:
coordinate = gpb.Coordinate(x=p.x, y=p.y, has_z=False)
return gpb.Geometry(type=gpb.Type.POINT, coordinates=[coordinate])
def serialize_linearing(self, l: LinearRing):
coords = [
self.create_coordinate_from_tuple(coord)
for coord in list(l.coords)
]
return gpb.Geometry(type=gpb.Type.LINEARRING, coordinates=coords)
def serialize_geometry_collection(self, gc: GeometryCollection):
geometries = [self.serialize(geom) for geom in gc.geoms]
return gpb.Geometry(
type=gpb.Type.GEOMETRYCOLLECTION,
geometries=geometries,
)
def serialize_multi_polygon(self, mp: MultiPolygon):
return gpb.Geometry(
type=gpb.Type.MULTIPOLYGON,
geometries=[self.serialize_polygon(p) for p in mp.geoms],
)
def serialize_multi_linestring(self, ls: MultiLineString):
return gpb.Geometry(
type=gpb.Type.MULTILINESTRING,
geometries=[self.serialize_linestring(line) for line in ls.geoms],
)
def serialize_multi_point(self, mp: MultiPoint):
return gpb.Geometry(
type=gpb.Type.MULTIPOINT,
geometries=[self.serialize_point(point) for point in mp.geoms],
)