def test_load_streets(self):
bbox = self.ZurichBellvue()
loader = StreetLoader()
streets = loader.load_streets(bbox)
self.assertTrue(len(streets) > 50)
self.assertTrue(len(loader.crosswalks) > 16)
for street in streets:
self.assertEquals(len(street.nodes), 2)
def load_streets(self):
self.status_printer.start_load_streets()
if self.tile is None:
print "Download tiles first"
streetLoader = StreetLoader()
self.streets = streetLoader.load_streets(self.bbox)
self.osm_crosswalks = streetLoader.crosswalks
shuffle(self.streets)
self.status_printer.set_nb_streets(len(self.streets))
def from_bbox(cls, bbox):
drawer = cls()
drawer.bbox = bbox
tileloader = TileLoader.from_bbox(bbox)
drawer.tile = tileloader.load_tile()
streetloader = StreetLoader()
drawer.streets = streetloader.load_streets(drawer.tile.bbox)
return drawer