def __init__(self, ch_basename, osmdb_filename, profiledb_filename): graphdb = GraphDatabase( graphdb_filename ) self.osmdb = OSMDB( osmdb_filename ) self.profiledb = ProfileDB( profiledb_filename ) self.ch = reincarnate_ch( ch_basename ) self.shortcut_cache = ShortcutCache( ch_basename+".scc" )
def __init__(self, ch_basename, osmdb_filename, profiledb_filename): graphdb = GraphDatabase(graphdb_filename) self.osmdb = OSMDB(osmdb_filename) self.profiledb = ProfileDB(profiledb_filename) self.ch = reincarnate_ch(ch_basename) self.shortcut_cache = ShortcutCache(ch_basename + ".scc")
class RouteServer(Servable): def __init__(self, ch_basename, osmdb_filename, profiledb_filename): graphdb = GraphDatabase( graphdb_filename ) self.osmdb = OSMDB( osmdb_filename ) self.profiledb = ProfileDB( profiledb_filename ) self.ch = reincarnate_ch( ch_basename ) self.shortcut_cache = ShortcutCache( ch_basename+".scc" ) def vertices(self): return "\n".join( [vv.label for vv in self.graph.vertices] ) vertices.mime = "text/plain" def path(self, lat1, lng1, lat2, lng2, transfer_penalty=0, walking_speed=1.0, hill_reluctance=20, narrative=True, jsoncallback=None): t0 = time.time() origin = "osm-%s"%self.osmdb.nearest_node( lat1, lng1 )[0] dest = "osm-%s"%self.osmdb.nearest_node( lat2, lng2 )[0] endpoint_find_time = time.time()-t0 print origin, dest t0 = time.time() wo = WalkOptions() #wo.transfer_penalty=transfer_penalty #wo.walking_speed=walking_speed wo.walking_speed=4 wo.walking_overage = 0 wo.hill_reluctance = 20 wo.turn_penalty = 15 edgepayloads = self.ch.shortest_path( origin, dest, State(1,0), wo ) wo.destroy() route_find_time = time.time()-t0 t0 = time.time() names = [] geoms = [] profile = Profile() total_dist = 0 total_elev = 0 if narrative: names, total_dist = get_full_route_narrative( self.osmdb, edgepayloads ) for edgepayload in edgepayloads: geom, profile_seg = self.shortcut_cache.get( edgepayload.external_id ) #geom = get_ep_geom( self.osmdb, edgepayload ) #profile_seg = get_ep_profile( self.profiledb, edgepayload ) geoms.extend( geom ) profile.add( profile_seg ) route_desc_time = time.time()-t0 ret = json.dumps( (names, encode_pairs( [(lat, lon) for lon, lat in geoms] ), profile.concat(300), { 'route_find_time':route_find_time, 'route_desc_time':route_desc_time, 'endpoint_find_time':endpoint_find_time,}, { 'total_dist':total_dist, 'total_elev':total_elev}) ) if jsoncallback: return "%s(%s)"%(jsoncallback,ret) else: return ret """ def path_raw(self, origin, dest, currtime): wo = WalkOptions() spt = self.graph.shortest_path_tree( origin, dest, State(1,currtime), wo ) wo.destroy() vertices, edges = spt.path( dest ) ret = "\n".join([str(x) for x in vertices]) + "\n\n" + "\n".join([str(x) for x in edges]) spt.destroy() return ret """ def bounds(self, jsoncallback=None): ret = json.dumps( self.osmdb.bounds() ) if jsoncallback: return "%s(%s)"%(jsoncallback,ret) else: return ret
class RouteServer(Servable): def __init__(self, ch_basename, osmdb_filename, profiledb_filename): graphdb = GraphDatabase(graphdb_filename) self.osmdb = OSMDB(osmdb_filename) self.profiledb = ProfileDB(profiledb_filename) self.ch = reincarnate_ch(ch_basename) self.shortcut_cache = ShortcutCache(ch_basename + ".scc") def vertices(self): return "\n".join([vv.label for vv in self.graph.vertices]) vertices.mime = "text/plain" def path(self, lat1, lng1, lat2, lng2, transfer_penalty=0, walking_speed=1.0, hill_reluctance=20, narrative=True, jsoncallback=None): t0 = time.time() origin = "osm-%s" % self.osmdb.nearest_node(lat1, lng1)[0] dest = "osm-%s" % self.osmdb.nearest_node(lat2, lng2)[0] endpoint_find_time = time.time() - t0 print origin, dest t0 = time.time() wo = WalkOptions() #wo.transfer_penalty=transfer_penalty #wo.walking_speed=walking_speed wo.walking_speed = 4 wo.walking_overage = 0 wo.hill_reluctance = 20 wo.turn_penalty = 15 edgepayloads = self.ch.shortest_path(origin, dest, State(1, 0), wo) wo.destroy() route_find_time = time.time() - t0 t0 = time.time() names = [] geoms = [] profile = Profile() total_dist = 0 total_elev = 0 if narrative: names, total_dist = get_full_route_narrative( self.osmdb, edgepayloads) for edgepayload in edgepayloads: geom, profile_seg = self.shortcut_cache.get( edgepayload.external_id) #geom = get_ep_geom( self.osmdb, edgepayload ) #profile_seg = get_ep_profile( self.profiledb, edgepayload ) geoms.extend(geom) profile.add(profile_seg) route_desc_time = time.time() - t0 ret = json.dumps( (names, encode_pairs([(lat, lon) for lon, lat in geoms]), profile.concat(300), { 'route_find_time': route_find_time, 'route_desc_time': route_desc_time, 'endpoint_find_time': endpoint_find_time, }, { 'total_dist': total_dist, 'total_elev': total_elev })) if jsoncallback: return "%s(%s)" % (jsoncallback, ret) else: return ret """ def path_raw(self, origin, dest, currtime): wo = WalkOptions() spt = self.graph.shortest_path_tree( origin, dest, State(1,currtime), wo ) wo.destroy() vertices, edges = spt.path( dest ) ret = "\n".join([str(x) for x in vertices]) + "\n\n" + "\n".join([str(x) for x in edges]) spt.destroy() return ret """ def bounds(self, jsoncallback=None): ret = json.dumps(self.osmdb.bounds()) if jsoncallback: return "%s(%s)" % (jsoncallback, ret) else: return ret