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
