def load(Class, path):
if not exists(path):
raise IOError
if path.endswith('.zip'):
import geometryIO
from crosscompute_table import pandas as pd
[
proj4,
geometries,
field_packs,
field_definitions,
] = geometryIO.load(path)
# Convert to (longitude, latitude)
normalize_geometry = geometryIO.get_transformGeometry(
proj4 or geometryIO.proj4LL)
geometries = [normalize_geometry(x) for x in geometries]
# Convert to (latitude, longitude)
geometries = transform_geometries(geometries, drop_z)
geometries = transform_geometries(geometries, flip_xy)
# Generate table
table = pd.DataFrame(
field_packs, columns=[x[0] for x in field_definitions])
table['WKT'] = [x.wkt for x in geometries]
else:
table = super(GeotableType, Class).load(path)
# TODO: Consider whether there is a better way to do this
table.interpret = create_bound_method(_interpret, table)
return table
def load_geotable(path):
if path.endswith('.csv'):
table = read_csv(path)
elif path.endswith('.zip'):
proj4, geometries, fields, definitions = geometryIO.load(path)
normalize_geometry = geometryIO.get_transformGeometry(proj4)
geometries = [normalize_geometry(x) for x in geometries]
table = DataFrame(fields, columns=[x[0] for x in definitions])
table['WKT'] = [x.wkt for x in geometries]
else:
raise UnsupportedFormat('cannot load geotable (%s)' % path)
return table
def load_geotable(path):
if path.endswith('.csv'):
table = read_csv(path)
elif path.endswith('.zip'):
proj4, geometries, fields, definitions = geometryIO.load(path)
normalize_geometry = geometryIO.get_transformGeometry(proj4)
# Convert to (longitude, latitude)
geometries = [normalize_geometry(x) for x in geometries]
# Convert to (latitude, longitude)
geometries = transform_geometries(geometries, flip_xy)
table = DataFrame(fields, columns=[x[0] for x in definitions])
table['WKT'] = [x.wkt for x in geometries]
else:
raise UnsupportedFormat('cannot load geotable (%s)' % path)
return table
def test_get_transformGeometry_runs(self):
transformGeometry = get_transformGeometry(proj4LL, proj4SM)
self.assertEqual(type(transformGeometry(Point(0, 0))), type(Point(0, 0)))
self.assertEqual(type(transformGeometry(CreateGeometryFromWkt('POINT (0 0)'))), type(CreateGeometryFromWkt('POINT (0 0)')))
with self.assertRaises(GeometryError):
transformGeometry(Point(1000, 1000))