def main():
"""Defines the simulation, map, monitors, persons. Connects POI with road network."""
s = Simulation(geo=osm.OSMModel('../data/hannover2.osm'), rel_speed=30)
# cafes are buildings and located in non_way_nodes --> filter that by tags
cafes = [node for node in s.geo.non_way_nodes if "amenity" in node.tags and node.tags["amenity"] in ("bar","cafe","pub")]
for cafe in cafes:
# find nearest node to cafe
dist = float('inf')
nearest = None
if not cafe.neighbors:
for node in s.geo.way_nodes:
d = utils.distance(cafe, node)
if d < dist and node.neighbors:
dist = d
nearest = node
# update neighbors
cafe.neighbors[nearest] = int(dist)
nearest.neighbors[cafe] = int(dist)
cafe.n = [nearest]
# update ways
way = osm.WaySegment(cafe, nearest)
cafe.ways[nearest] = way
nearest.ways[cafe] = way
s.geo.add(way)
# add exit to cafe
m = s.add_monitor(SocketPlayerMonitor, 2)
s.add_persons(PoiWiggler, 2, monitor=m, args={"cafes": cafes})
s.run(until=10000, real_time=True, monitor=True)
def button_pressed(self, stage, event):
"""When mouse-button is pressed, find node that is closest to the
mouse-pointer."""
coords = self.actor.get_coords_from_event(event)
coords_utm = latlong_to_utm(coords[1], coords[0])
class Node:
x = coords_utm[0]
y = coords_utm[1]
nearest = self.data.way_nodes[0]
nearest_dist = utils.distance(Node, nearest)
for node in self.data.way_nodes:
if utils.distance(Node, node) < nearest_dist:
nearest = node
nearest_dist = utils.distance(Node, node)
print
print "==========KLICK=========="
print nearest, nearest_dist
print coords
self.marker.set_position(nearest.lat, nearest.lon)