def main():
usage = """usage: python gdb_import_gtfs.py [options] <graphdb_filename> <gtfsdb_filename> <agency_id>"""
parser = OptionParser(usage=usage)
parser.add_option("-n", "--namespace", dest="namespace", default="0",
help="agency namespace")
parser.add_option("-m", "--maxtrips", dest="maxtrips", default=None, help="maximum number of trips to load")
(options, args) = parser.parse_args()
if len(args) != 3:
parser.print_help()
exit(-1)
graphdb_filename = args[0]
gtfsdb_filename = args[1]
agency_id = args[2]
print "importing agency '%s' from gtfsdb '%s' into graphdb '%s'"%(agency_id, gtfsdb_filename, graphdb_filename)
gtfsdb = GTFSDatabase( gtfsdb_filename )
gdb = GraphDatabase( graphdb_filename, overwrite=False )
maxtrips = int(options.maxtrips) if options.maxtrips else None
gdb_load_gtfsdb_to_boardalight(gdb, options.namespace, gtfsdb, agency_id, gdb.get_cursor(), maxtrips=maxtrips)
gdb.commit()
print "done"
def main():
usage = """usage: python gdb_link_osm_gtfs.py <graphdb_filename> <osmdb_filename> <gtfsdb_filename>"""
parser = OptionParser(usage=usage)
(options, args) = parser.parse_args()
if len(args) != 3:
parser.print_help()
exit(-1)
graphdb_filename = args[0]
osmdb_filename = args[1]
gtfsdb_filename = args[2]
gtfsdb = GTFSDatabase( gtfsdb_filename )
osmdb = OSMDB( osmdb_filename )
gdb = GraphDatabase( graphdb_filename )
n_stops = gtfsdb.count_stops()
for i, (stop_id, stop_name, stop_lat, stop_lon) in enumerate( gtfsdb.stops() ):
print "%d/%d"%(i,n_stops)
nd_id, nd_lat, nd_lon, nd_dist = osmdb.nearest_node( stop_lat, stop_lon )
station_vertex_id = "sta-%s"%stop_id
osm_vertex_id = "osm-%s"%nd_id
print station_vertex_id, osm_vertex_id
gdb.add_edge( station_vertex_id, osm_vertex_id, Link() )
gdb.add_edge( osm_vertex_id, station_vertex_id, Link() )
def main():
usage = """usage: python gdb_link_gtfs_gtfs.py <graphdb_filename> <gtfsdb_filename> <range>"""
parser = OptionParser(usage=usage)
(options, args) = parser.parse_args()
if len(args) != 3:
parser.print_help()
exit(-1)
graphdb_filename = args[0]
gtfsdb_filename = args[1]
range = float(args[2])
gtfsdb = GTFSDatabase( gtfsdb_filename )
gdb = GraphDatabase( graphdb_filename )
n_stops = gtfsdb.count_stops()
for i, (stop_id, stop_name, stop_lat, stop_lon) in enumerate( gtfsdb.stops() ):
print "%d/%d %s"%(i,n_stops,stop_id),
station_vertex_id = "sta-%s"%stop_id
for link_stop_id, link_stop_name, link_stop_lat, link_stop_lon in gtfsdb.nearby_stops( stop_lat, stop_lon, range ):
if link_stop_id == stop_id:
continue
print ".",
link_length = vincenty( stop_lat, stop_lon, link_stop_lat, link_stop_lon)
link_station_vertex_id = "sta-%s"%link_stop_id
gdb.add_edge( station_vertex_id, link_station_vertex_id, Street("link", link_length) )
print ""
def main():
usage = """usage: python gdb_import_gtfs.py [options] <graphdb_filename> <gtfsdb_filename> [<agency_id>]"""
parser = OptionParser(usage=usage)
parser.add_option("-n", "--namespace", dest="namespace", default="0",
help="agency namespace")
parser.add_option("-m", "--maxtrips", dest="maxtrips", default=None, help="maximum number of trips to load")
parser.add_option("-d", "--date", dest="sample_date", default=None, help="only load transit running on a given day. YYYYMMDD" )
(options, args) = parser.parse_args()
if len(args) != 2:
parser.print_help()
exit(-1)
graphdb_filename = args[0]
gtfsdb_filename = args[1]
agency_id = args[2] if len(args)==3 else None
print "importing from gtfsdb '%s' into graphdb '%s'"%(gtfsdb_filename, graphdb_filename)
gtfsdb = GTFSDatabase( gtfsdb_filename )
gdb = GraphDatabase( graphdb_filename, overwrite=False )
maxtrips = int(options.maxtrips) if options.maxtrips else None
gdb_load_gtfsdb( gdb, options.namespace, gtfsdb, gdb.get_cursor(), agency_id, maxtrips=maxtrips, sample_date=options.sample_date)
gdb.commit()
print "done"
def process_transit_graph(graphdb_filename, gtfsdb_filenames, osmdb_filename=None, profiledb_filename=None, agency_id=None, link_stations=False, slogs={}):
g = Graph()
if profiledb_filename:
print( "Opening ProfileDB '%s'"%profiledb_filename )
profiledb = ProfileDB( profiledb_filename )
else:
print( "No ProfileDB supplied" )
profiledb = None
if osmdb_filename:
# Load osmdb ===============================
print( "Opening OSM-DB '%s'"%osmdb_filename )
osmdb = OSMDB( osmdb_filename )
compiler.load_streets_to_graph( g, osmdb, profiledb, slogs, reporter=sys.stdout )
# Load gtfsdb ==============================
for i, gtfsdb_filename in enumerate(gtfsdb_filenames):
gtfsdb = GTFSDatabase( gtfsdb_filename )
service_ids = [x.encode("ascii") for x in gtfsdb.service_ids()]
compiler.load_gtfsdb_to_boardalight_graph(g, str(i), gtfsdb, agency_id=agency_id, service_ids=service_ids)
if osmdb_filename:
compiler.load_transit_street_links_to_graph( g, osmdb, gtfsdb, reporter=sys.stdout )
if link_stations:
compiler.link_nearby_stops( g, gtfsdb )
# Export to graphdb ========================
graphdb = GraphDatabase( graphdb_filename, overwrite=True )
graphdb.populate( g, reporter=sys.stdout )
def handle(self, *args, **options):
self.stdout.write('Loading boston.osmdb\n')
self.nodedb = osmdb.OSMDB(settings.DATA_DIR + '/boston.osmdb')
self.stdout.write('Importing Boston street network...\n')
gdb = GraphDatabase(settings.DATA_DIR + '/boston.gdb')
self.graph = gdb.incarnate()
self.stdout.write('Importing trip network...\n')
tripdb = osmdb.OSMDB(settings.DATA_DIR + '/trip_data.db')
batchgeom = []
count = 0
# For each station
for tnode in tripdb.nodes():
lat1 = float(tnode[2])
lng1 = float(tnode[3])
# get all trips departing this station
cursor = tripdb.get_cursor()
tedges = cursor.execute("select * from edges where start_nd = ?",
[tnode[0]])
# For each trip
for tedge in tedges:
if tedge[3] == '':
if int(options['verbosity']) > 1:
self.stdout.write(
'Start and end nodes are the same.\n')
continue
dnode = tripdb.node(tedge[3])
lat2 = float(dnode[2])
lng2 = float(dnode[3])
dnode = None
if lat2 == lat1 and lng2 == lng1:
continue
geom = self._spt(lat1, lng1, lat2, lng2)
count += 1
batchgeom.append((
count,
geom,
))
if len(batchgeom) >= options['number']:
self.dropfile(batchgeom, count, **options)
batchgeom = []
geom = None
# Don't keep a history of the execute tranactions
tedges = None
cursor = None
def importGtfsWrapper(gtfs_filename, db_conn_string):
gdb = GraphDatabase( db_conn_string, overwrite=False )
gtfsdb = GTFSDatabase( db_conn_string, overwrite=True )
gtfsdb.load_gtfs( gtfs_filename )
gdb_load_gtfsdb( gdb, 1, gtfsdb, gdb.get_cursor())
def __init__(self, graphdb_filename, pgosmdb_handle, pggtfsdb_handle, event_dispatch):
graphdb = GraphDatabase( graphdb_filename )
self.graph = graphdb.incarnate()
self.graph.num_agencies = 3
self.graph.numagencies = self.graph.num_agencies
self.event_dispatch = event_dispatch
self.pgosmdb = pgosmdb_handle
self.pggtfsdb = pggtfsdb_handle
self.two_way_routing = True
def handle(self, *args, **options):
self.stdout.write('Loading boston.osmdb\n')
self.nodedb = osmdb.OSMDB(settings.DATA_DIR+'/boston.osmdb')
self.stdout.write('Importing Boston street network...\n')
gdb = GraphDatabase(settings.DATA_DIR+'/boston.gdb')
self.graph = gdb.incarnate()
self.stdout.write('Importing trip network...\n')
tripdb = osmdb.OSMDB(settings.DATA_DIR+'/trip_data.db')
batchgeom = []
count = 0
# For each station
for tnode in tripdb.nodes():
lat1 = float(tnode[2])
lng1 = float(tnode[3])
# get all trips departing this station
cursor = tripdb.get_cursor()
tedges = cursor.execute("select * from edges where start_nd = ?", [tnode[0]])
# For each trip
for tedge in tedges:
if tedge[3] == '':
if int(options['verbosity']) > 1:
self.stdout.write('Start and end nodes are the same.\n')
continue
dnode = tripdb.node(tedge[3])
lat2 = float(dnode[2])
lng2 = float(dnode[3])
dnode = None
if lat2 == lat1 and lng2 == lng1:
continue
geom = self._spt(lat1, lng1, lat2, lng2)
count += 1
batchgeom.append((count,geom,))
if len(batchgeom) >= options['number']:
self.dropfile(batchgeom, count, **options)
batchgeom = []
geom = None
# Don't keep a history of the execute tranactions
tedges = None
cursor = None
def __init__(self, graphdb_filename, vertex_events, edge_events, vertex_reverse_geocoders):
if os.path.exists("%s.gbin" % graphdb_filename):
self.graph = Graph()
self.graph.deserialize(graphdb_filename, os.path.exists("%s.gmm" % graphdb_filename))
else:
graphdb = GraphDatabase( graphdb_filename )
self.graph = graphdb.incarnate()
self.vertex_events = vertex_events
self.edge_events = edge_events
self.vertex_reverse_geocoders = vertex_reverse_geocoders
def __init__(self,
graphdb_filename,
vertex_events,
edge_events,
vertex_reverse_geocoders,
config={}):
graphdb = GraphDatabase(graphdb_filename)
self.graph = graphdb.incarnate()
self.vertex_events = vertex_events
self.edge_events = edge_events
self.vertex_reverse_geocoders = vertex_reverse_geocoders
def process_transit_graph(gtfsdb_filename, agency_id, graphdb_filename, link=False):
gtfsdb = GTFSDatabase( gtfsdb_filename )
g = Graph()
service_ids = [x.encode("ascii") for x in gtfsdb.service_ids()]
compiler.load_gtfsdb_to_boardalight_graph(g, gtfsdb, agency_id=agency_id, service_ids=service_ids)
if link:
compiler.link_nearby_stops( g, gtfsdb )
graphdb = GraphDatabase( graphdb_filename, overwrite=True )
graphdb.populate( g, reporter=sys.stdout )
def process_street_graph():
OSMDB_FILENAME = "ext/osm/bartarea.sqlite"
GRAPHDB_FILENAME = "bartstreets.db"
print( "Opening OSM-DB '%s'"%OSMDB_FILENAME )
osmdb = OSMDB( OSMDB_FILENAME )
g = Graph()
compiler.load_streets_to_graph( g, osmdb, sys.stdout )
graphdb = GraphDatabase( GRAPHDB_FILENAME, overwrite=True )
graphdb.populate( g, reporter=sys.stdout )
def main(graph_db, gtfs_db):
graphdb = GraphDatabase( graph_db )
gtfsdb = GTFSDatabase( gtfs_db )
print "loading existing graph"
full_graph = graphdb.incarnate()
print "copying relevant vertices and edges from full graph"
min_graph = Graph()
copy_relevant_elements( min_graph, full_graph )
print "adding minimum-time transit trip edges"
add_min_transit( min_graph, gtfsdb )
print "writing out new graph to database"
min_graphdb = GraphDatabase( 'min_graph.gdb', overwrite=True )
min_graphdb.populate(min_graph)
print "DONE."
sys.exit(0)
def __init__(self, settings_filename):
settings = yaml.load( open( settings_filename ) )
self.home_point = settings['center']
# create cache of osm-node positions
self.osmdb = OSMDB( settings['osmdb_filename'] )
self.gtfsdb = GTFSDatabase( settings['gtfsdb_filename'] )
self.port = settings['port']
self.node_positions = {}
self.index = Rtree()
for node_id, tags, lat, lon in self.osmdb.nodes():
self.node_positions[node_id] = (lon,lat)
self.index.add( int(node_id), (lon,lat,lon,lat) )
# incarnate graph from graphdb
graphdb = GraphDatabase( settings['graphdb_filename'] )
self.graph = graphdb.incarnate()
def main():
usage = """usage: python gs_serialize.py [options] <basename> <graphdb_filename> """
parser = OptionParser(usage=usage)
parser.add_option("-m", "--memmap",
action="store_true", dest="memmap", default=False,
help="Create a memmap serialized file.")
(options, args) = parser.parse_args()
if len(args) != 2:
parser.print_help()
exit(-1)
basename, graphdb_filename = args
db = GraphDatabase(graphdb_filename)
g = db.incarnate()
g.serialize(basename, options.memmap)
print "done"
def process_street_graph(osmdb_filename, graphdb_filename, profiledb_filename, slogs={}):
OSMDB_FILENAME = "ext/osm/bartarea.sqlite"
GRAPHDB_FILENAME = "bartstreets.db"
print( "Opening OSM-DB '%s'"%osmdb_filename )
osmdb = OSMDB( osmdb_filename )
if profiledb_filename:
print( "Opening ProfileDB '%s'"%profiledb_filename )
profiledb = ProfileDB( profiledb_filename )
else:
print( "No ProfileDB supplied" )
profiledb = None
g = Graph()
compiler.load_streets_to_graph( g, osmdb, profiledb, slogs, reporter=sys.stdout )
graphdb = GraphDatabase( graphdb_filename, overwrite=True )
graphdb.populate( g, reporter=sys.stdout )
def process_transit_street_graph(graphdb_filename, gtfsdb_filename, osmdb_filename, agency_id=None):
g = Graph()
# Load osmdb ===============================
print( "Opening OSM-DB '%s'"%osmdb_filename )
osmdb = OSMDB( osmdb_filename )
compiler.load_streets_to_graph( g, osmdb, sys.stdout )
# Load gtfsdb ==============================
for i, gtfsdb_filename in enumerate(gtfsdb_filenames):
gtfsdb = GTFSDatabase( gtfsdb_filename )
service_ids = [x.encode("ascii") for x in gtfsdb.service_ids()]
compiler.load_gtfsdb_to_boardalight_graph(g, str(i), gtfsdb, agency_id=agency_id, service_ids=service_ids)
compiler.load_transit_street_links_to_graph( g, osmdb, gtfsdb, reporter=sys.stdout )
# Export to graphdb ========================
graphdb = GraphDatabase( graphdb_filename, overwrite=True )
graphdb.populate( g, reporter=sys.stdout )
def make_native_ch(basename):
gdb = GraphDatabase( basename+".gdb" )
gg = gdb.incarnate()
wo = WalkOptions()
wo.hill_reluctance=20
ch = gg.get_contraction_hierarchies( wo )
chdowndb = GraphDatabase( basename+".down.gdb", overwrite=True )
chdowndb.populate( ch.downgraph, reporter=sys.stdout )
chupdb = GraphDatabase( basename+".up.gdb", overwrite=True )
chupdb.populate( ch.upgraph, reporter=sys.stdout )
def main():
usage = """usage: python gdb_link_gtfs_gtfs.py <graphdb_filename> <gtfsdb_filename> <range>"""
parser = OptionParser(usage=usage)
(options, args) = parser.parse_args()
if len(args) != 3:
parser.print_help()
exit(-1)
graphdb_filename = args[0]
gtfsdb_filename = args[1]
range = float(args[2])
gtfsdb = GTFSDatabase(gtfsdb_filename)
gdb = GraphDatabase(graphdb_filename)
n_stops = gtfsdb.count_stops()
for i, (stop_id, stop_name, stop_lat,
stop_lon) in enumerate(gtfsdb.stops()):
print "%d/%d %s" % (i, n_stops, stop_id),
station_vertex_id = "sta-%s" % stop_id
for link_stop_id, link_stop_name, link_stop_lat, link_stop_lon in gtfsdb.nearby_stops(
stop_lat, stop_lon, range):
if link_stop_id == stop_id:
continue
print ".",
link_length = vincenty(stop_lat, stop_lon, link_stop_lat,
link_stop_lon)
link_station_vertex_id = "sta-%s" % link_stop_id
gdb.add_edge(station_vertex_id, link_station_vertex_id,
Street("link", link_length))
print ""
def main():
usage = """usage: python gdb_import_osm.py <graphdb_filename> <osmdb_filename>"""
parser = OptionParser(usage=usage)
parser.add_option(
"-n",
"--namespace",
dest="namespace",
default="osm",
help="prefix all imported vertices with namespace string")
parser.add_option(
"-s",
"--slog",
action="append",
dest="slog_strings",
default=[],
help=
"specify slog for highway type, in highway_type:slog form. For example, 'motorway:10.5'"
)
parser.add_option(
"-p",
"--profiledb",
dest="profiledb_filename",
default=None,
help="specify profiledb to annotate streets with rise/fall data")
(options, args) = parser.parse_args()
if len(args) != 2:
parser.print_help()
exit(-1)
slogs = {}
for slog_string in options.slog_strings:
highway_type, slog_penalty = slog_string.split(":")
slogs[highway_type] = float(slog_penalty)
print "slog values: %s" % slogs
graphdb_filename = args[0]
osmdb_filename = args[1]
print "importing osmdb '%s' into graphdb '%s'" % (osmdb_filename,
graphdb_filename)
profiledb = ProfileDB(
options.profiledb_filename) if options.profiledb_filename else None
osmdb = OSMDB(osmdb_filename)
gdb = GraphDatabase(graphdb_filename, overwrite=False)
gdb_import_osm(gdb, osmdb, options.namespace, slogs, profiledb)
print "done"
def reincarnate_ch(basename):
chdowndb = GraphDatabase( basename+".down.gdb" )
chupdb = GraphDatabase( basename+".up.gdb" )
upgg = chupdb.incarnate()
downgg = chdowndb.incarnate()
return ContractionHierarchy(upgg, downgg)
def test_ch(self):
g = Graph()
g.add_vertex( "A" )
g.add_vertex( "B" )
g.add_vertex( "C" )
g.add_edge( "A", "B", Street( "foo", 10 ) )
g.add_edge( "B", "C", Street( "bar", 10 ) )
g.add_edge( "C", "A", Street( "baz", 10 ) )
wo = WalkOptions()
ch = g.get_contraction_hierarchies(wo)
gdb_file = os.path.dirname(__file__) + "unit_test.db"
gdb = GraphDatabase( gdb_file )
gdb.populate( ch.upgraph )
laz = gdb.incarnate()
combo = laz.edges[1]
self.assertEqual( combo.payload.get(0).name, "baz" )
self.assertEqual( combo.payload.get(1).name, "foo" )
os.remove( gdb_file )
def test_ch(self):
g = Graph()
g.add_vertex("A")
g.add_vertex("B")
g.add_vertex("C")
g.add_edge("A", "B", Street("foo", 10))
g.add_edge("B", "C", Street("bar", 10))
g.add_edge("C", "A", Street("baz", 10))
wo = WalkOptions()
ch = g.get_contraction_hierarchies(wo)
gdb_file = os.path.dirname(__file__) + "unit_test.db"
gdb = GraphDatabase(gdb_file)
gdb.populate(ch.upgraph)
laz = gdb.incarnate()
combo = laz.edges[1]
self.assertEqual(combo.payload.get(0).name, "baz")
self.assertEqual(combo.payload.get(1).name, "foo")
os.remove(gdb_file)
def link_osm_gtfs(db_conn_string, max_link_dist=150):
conn = psycopg2.connect(db_conn_string)
cursor = conn.cursor()
gdb = GraphDatabase(db_conn_string)
cursor.execute('SELECT stop_id, stop_lat, stop_lon FROM gtfs_stops')
for i, (s_label, s_lat, s_lon) in enumerate(cursor.fetchall()):
j = False
range = 0.05 # might not be the best number
cursor.execute('''SELECT id, lat, lon FROM osm_nodes WHERE endnode_refs > 1 AND lat > %s AND lat < %s AND lon > %s AND lon < %s''', ( s_lat-range, s_lat+range, s_lon-range, s_lon+range ))
nodes = cursor.fetchall()
dists = []
for n_label, n_lat, n_lon in nodes:
dists.append( distance(s_lat, s_lon, n_lat, n_lon) )
for d in dists:
if d < max_link_dist:
j = True
n_label, n_lat, n_lon = nodes[dists.index(d)]
gdb.add_edge('sta-'+s_label, 'osm-'+n_label, Street('gtfs-osm link', d))
gdb.add_edge('osm-'+n_label, 'sta-'+s_label, Street('gtfs-osm link', d))
if not j and dists: # fallback mode
d = min(dists)
n_label, n_lat, n_lon = nodes[dists.index(d)]
gdb.add_edge('sta-'+s_label, 'osm-'+n_label, Street('gtfs-osm link', d))
gdb.add_edge('osm-'+n_label, 'sta-'+s_label, Street('gtfs-osm link', d))
if not dists:
print(colored('WARNING: failed linking %s! (%s, %s)' % (s_label, s_lat, s_lon), 'yellow'))
gdb.commit()
conn.commit()
cursor.close()
def main():
if len(argv) < 2:
print "usage: python import_ned.py graphdb_filename profiledb_filename"
return
graphdb_filename = argv[1]
profiledb_filename = argv[2]
gdb = GraphDatabase(graphdb_filename)
profiledb = ProfileDB(profiledb_filename)
n = gdb.num_edges()
for i, (oid, vertex1, vertex2,
edge) in enumerate(list(gdb.all_edges(include_oid=True))):
if i % 500 == 0: print "%s/%s" % (i, n)
if isinstance(edge, Street):
rise, fall = get_rise_and_fall(profiledb.get(edge.name))
edge.rise = rise
edge.fall = fall
gdb.remove_edge(oid)
gdb.add_edge(vertex1, vertex2, edge)
def main():
usage = """usage: python new_gdb.py [options] <graphdb_filename> """
parser = OptionParser(usage=usage)
parser.add_option("-o",
"--overwrite",
action="store_true",
dest="overwrite",
default=False,
help="overwrite any existing database")
(options, args) = parser.parse_args()
if len(args) != 1:
parser.print_help()
exit(-1)
graphdb_filename = args[0]
if not os.path.exists(graphdb_filename) or options.overwrite:
print "Creating graph database '%s'" % graphdb_filename
graphdb = GraphDatabase(graphdb_filename, overwrite=options.overwrite)
else:
print "Graph database '%s' already exists. Use -o to overwrite" % graphdb_filename
def main():
if len(argv) < 2:
print "usage: python import_ned.py graphdb_filename profiledb_filename"
return
graphdb_filename = argv[1]
profiledb_filename = argv[2]
gdb = GraphDatabase( graphdb_filename )
profiledb = ProfileDB( profiledb_filename )
n = gdb.num_edges()
for i, (oid, vertex1, vertex2, edge) in enumerate( list(gdb.all_edges(include_oid=True)) ):
if i%500==0: print "%s/%s"%(i,n)
if isinstance( edge, Street ):
rise, fall = get_rise_and_fall( profiledb.get( edge.name ) )
edge.rise = rise
edge.fall = fall
gdb.remove_edge( oid )
gdb.add_edge( vertex1, vertex2, edge )
def __init__(self, graphdb_filename):
self.graphdb = GraphDatabase( graphdb_filename )
class GraphCrawler(Servable):
def __init__(self, graphdb_filename):
self.graphdb = GraphDatabase( graphdb_filename )
def vertices(self, like=None):
if like:
return "\n".join( ["<a href=\"/vertex?label="%s"\">%s</a><br>"%(vl[0], vl[0])
for vl in self.graphdb.execute("SELECT label from vertices where label like ? order by label", (like,)) ])
else:
return "\n".join( ["<a href=\"/vertex?label="%s"\">%s</a><br>"%(vl[0], vl[0])
for vl in self.graphdb.execute("SELECT label from vertices order by label") ])
vertices.mime = "text/html"
def vertex(self, label, currtime=None, hill_reluctance=1.5, walking_speed=0.85):
currtime = currtime or int(time.time())
ret = []
ret.append( "<h1>%s</h1>"%label )
wo = WalkOptions()
ret.append( "<h3>walk options</h3>" )
ret.append( "<li>transfer_penalty: %s</li>"%wo.transfer_penalty )
ret.append( "<li>turn_penalty: %s</li>"%wo.turn_penalty )
ret.append( "<li>walking_speed: %s</li>"%wo.walking_speed )
ret.append( "<li>walking_reluctance: %s</li>"%wo.walking_reluctance )
ret.append( "<li>uphill_slowness: %s</li>"%wo.uphill_slowness )
ret.append( "<li>downhill_fastness: %s</li>"%wo.downhill_fastness )
ret.append( "<li>hill_reluctance: %s</li>"%wo.hill_reluctance )
ret.append( "<li>max_walk: %s</li>"%wo.max_walk )
ret.append( "<li>walking_overage: %s</li>"%wo.walking_overage )
ret.append( "<h3>incoming from:</h3>" )
for i, (vertex1, vertex2, edgetype) in enumerate( self.graphdb.all_incoming( label ) ):
s1 = State(1,int(currtime))
wo = WalkOptions()
wo.hill_reluctance=hill_reluctance
wo.walking_speed=walking_speed
s0 = edgetype.walk_back( s1, wo )
if s0:
toterm = "<a href=\"/vertex?label="%s"&currtime=%d\">%s@%d</a>"%(vertex1, s0.time, vertex1, s1.time)
else:
toterm = "<a href=\"/vertex?label="%s"\">%s</a>"%(vertex1, vertex1)
ret.append( "%s<br><pre> via %s (<a href=\"/incoming?label="%s"&edgenum=%d\">details</a>)</pre>"%(toterm, cgi.escape(repr(edgetype)), vertex2, i) )
if s0:
ret.append( "<pre> %s</pre>"%cgi.escape(str(s0)) )
ret.append( "<h3>outgoing to:</h3>" )
for i, (vertex1, vertex2, edgetype) in enumerate( self.graphdb.all_outgoing( label ) ):
s0 = State(1,int(currtime))
wo = WalkOptions()
wo.hill_reluctance=hill_reluctance
wo.walking_speed=walking_speed
s1 = edgetype.walk( s0, wo )
if s1:
toterm = "<a href=\"/vertex?label="%s"&currtime=%d\">%s@%d</a>"%(vertex2, s1.time, vertex2, s1.time)
else:
toterm = "<a href=\"/vertex?label="%s"\">%s</a>"%(vertex2, vertex2)
ret.append( "%s<br><pre> via %s (<a href=\"/outgoing?label="%s"&edgenum=%d\">details</a>)</pre>"%(toterm, cgi.escape(repr(edgetype)), vertex1, i) )
if s1:
ret.append( "<pre> %s</pre>"%cgi.escape(str(s1)) )
wo.destroy()
return "".join(ret)
vertex.mime = "text/html"
def outgoing(self, label, edgenum):
all_outgoing = list( self.graphdb.all_outgoing( label ) )
fromv, tov, edge = all_outgoing[edgenum]
return edge.expound()
def incoming(self, label, edgenum):
all_incoming = list( self.graphdb.all_incoming( label ) )
fromv, tov, edge = all_incoming[edgenum]
return edge.expound()
def str(self):
return str(self.graphdb)
from graphserver.core import Graph, Street, State, WalkOptions
from PIL import Image
from multiprocessing import Pool
os.environ['TZ'] = 'US/Pacific'
time.tzset()
t0s = "Mon May 17 08:50:00 2010"
t0t = time.strptime(t0s)
d0s = time.strftime('%a %b %d %Y', t0t)
t0 = time.mktime(t0t)
print 'search date: ', d0s
print 'search time: ', time.ctime(t0), t0
gtfsdb = GTFSDatabase ('./trimet.gtfsdb')
gdb = GraphDatabase ('./test.gdb' )
osmdb = OSMDB ('./testgrid.osmdb' )
g = gdb.incarnate ()
# FOOT - would be better if i could specify 0 boardings not 0 transfers
wo = WalkOptions()
wo.max_walk = 2000
wo.walking_overage = 0.0
wo.walking_speed = 1.0 # trimet uses 0.03 miles / 1 minute - but it uses straight line distance as well
wo.transfer_penalty = 99999
wo.walking_reluctance = 1
wo.max_transfers = 0
# make much higher?
wo.transfer_slack = 60 * 5
wo_foot = wo
def __init__(self, graphdb_filename, vertex_events, edge_events, vertex_reverse_geocoders):
graphdb = GraphDatabase( graphdb_filename )
self.graph = graphdb.incarnate()
self.vertex_events = vertex_events
self.edge_events = edge_events
self.vertex_reverse_geocoders = vertex_reverse_geocoders
def __init__(self, graphdb_filename, event_dispatch):
graphdb = GraphDatabase( graphdb_filename )
self.graph = graphdb.incarnate()
self.event_dispatch = event_dispatch
def main(count):
print 'Loading boston.osmdb'
nodedb = osmdb.OSMDB(DATA_DIR + 'boston.osmdb')
print 'Importing Boston street network...'
gdb = GraphDatabase(DATA_DIR + 'boston.gdb')
graph = gdb.incarnate()
print 'Importing trip network...'
tripdb = osmdb.OSMDB(DATA_DIR + 'trip_data.db')
stime = time()
wo = WalkOptions()
cursor = tripdb.get_cursor()
tripcount = 0
# For each station
for tnode in tripdb.nodes():
lat1 = float(tnode[2])
lng1 = float(tnode[3])
# find origin node on the street network
orig = nodedb.nearest_node(lat1, lng1)
# get all trips departing this station
tedges = cursor.execute("select * from edges where start_nd = ?",
[tnode[0]])
# For each trip
for tedge in tedges:
dnode = tripdb.node(tedge[3])
lat2 = float(dnode[2])
lng2 = float(dnode[3])
if lat2 == lat1 and lng2 == lng1:
# Do not route something that ends where it begins
print 'Begin and end node are the same.'
else:
# find the destination node on the street network
dest = nodedb.nearest_node(lat2, lng2)
# route!
spt = graph.shortest_path_tree('osm-' + orig[0],
'osm-' + dest[0],
State(1, stime), wo)
# get the path vertices and edges
pvert, pedges = spt.path('osm-' + dest[0])
# convert the results to geometries
allgeom = []
for e in pedges:
dbedge = nodedb.edge(e.payload.name)
if e.payload.reverse_of_source:
allgeom.extend(reversed(dbedge[5]))
else:
allgeom.extend(dbedge[5])
print allgeom
tripcount += 1
if tripcount >= count:
break
if tripcount >= count:
break
def __init__(self, graphdb_filename):
self.graphdb = GraphDatabase(graphdb_filename)
def make_native_ch(basename):
gdb = GraphDatabase(basename + ".gdb")
gg = gdb.incarnate()
wo = WalkOptions()
wo.hill_reluctance = 20
ch = gg.get_contraction_hierarchies(wo)
chdowndb = GraphDatabase(basename + ".down.gdb", overwrite=True)
chdowndb.populate(ch.downgraph, reporter=sys.stdout)
chupdb = GraphDatabase(basename + ".up.gdb", overwrite=True)
chupdb.populate(ch.upgraph, reporter=sys.stdout)
def test_basic(self):
g = Graph()
g.add_vertex("A")
g.add_vertex("B")
g.add_edge("A", "B", Link())
g.add_edge("A", "B", Street("foo", 20.0))
gdb_file = os.path.dirname(__file__) + "unit_test.db"
if os.path.exists(gdb_file):
os.remove(gdb_file)
gdb = GraphDatabase(gdb_file)
gdb.populate(g)
list(gdb.execute("select * from resources"))
assert "A" in list(gdb.all_vertex_labels())
assert "B" in list(gdb.all_vertex_labels())
assert glen(gdb.all_edges()) == 2
assert glen(gdb.all_outgoing("A")) == 2
assert glen(gdb.all_outgoing("B")) == 0
assert glen(gdb.all_incoming("A")) == 0
assert glen(gdb.all_incoming("B")) == 2
assert glen(gdb.resources()) == 0
assert gdb.num_vertices() == 2
assert gdb.num_edges() == 2
g.destroy()
g = gdb.incarnate()
list(gdb.execute("select * from resources"))
assert "A" in list(gdb.all_vertex_labels())
assert "B" in list(gdb.all_vertex_labels())
assert glen(gdb.all_edges()) == 2
assert glen(gdb.all_outgoing("A")) == 2
assert glen(gdb.all_outgoing("B")) == 0
assert glen(gdb.all_incoming("A")) == 0
assert glen(gdb.all_incoming("B")) == 2
assert glen(gdb.resources()) == 0
assert gdb.num_vertices() == 2
assert gdb.num_edges() == 2
os.remove( gdb_file )
class GraphCrawler(Servable):
def __init__(self, graphdb_filename):
self.graphdb = GraphDatabase(graphdb_filename)
def vertices(self, like=None):
if like:
return "\n".join([
"<a href=\"/vertex?label="%s"\">%s</a><br>" %
(vl[0], vl[0]) for vl in self.graphdb.execute(
"SELECT label from vertices where label like ? order by label",
(like, ))
])
else:
return "\n".join([
"<a href=\"/vertex?label="%s"\">%s</a><br>" %
(vl[0], vl[0]) for vl in self.graphdb.execute(
"SELECT label from vertices order by label")
])
vertices.mime = "text/html"
def vertex(self,
label,
currtime=None,
hill_reluctance=1.5,
walking_speed=0.85):
currtime = currtime or int(time.time())
ret = []
ret.append("<h1>%s</h1>" % label)
wo = WalkOptions()
ret.append("<h3>walk options</h3>")
ret.append("<li>transfer_penalty: %s</li>" % wo.transfer_penalty)
ret.append("<li>turn_penalty: %s</li>" % wo.turn_penalty)
ret.append("<li>walking_speed: %s</li>" % wo.walking_speed)
ret.append("<li>walking_reluctance: %s</li>" % wo.walking_reluctance)
ret.append("<li>uphill_slowness: %s</li>" % wo.uphill_slowness)
ret.append("<li>downhill_fastness: %s</li>" % wo.downhill_fastness)
ret.append("<li>hill_reluctance: %s</li>" % wo.hill_reluctance)
ret.append("<li>max_walk: %s</li>" % wo.max_walk)
ret.append("<li>walking_overage: %s</li>" % wo.walking_overage)
ret.append("<h3>incoming from:</h3>")
for i, (vertex1, vertex2,
edgetype) in enumerate(self.graphdb.all_incoming(label)):
s1 = State(1, int(currtime))
wo = WalkOptions()
wo.hill_reluctance = hill_reluctance
wo.walking_speed = walking_speed
s0 = edgetype.walk_back(s1, wo)
if s0:
toterm = "<a href=\"/vertex?label="%s"&currtime=%d\">%s@%d</a>" % (
vertex1, s0.time, vertex1, s1.time)
else:
toterm = "<a href=\"/vertex?label="%s"\">%s</a>" % (
vertex1, vertex1)
ret.append(
"%s<br><pre> via %s (<a href=\"/incoming?label="%s"&edgenum=%d\">details</a>)</pre>"
% (toterm, cgi.escape(repr(edgetype)), vertex2, i))
if s0:
ret.append("<pre> %s</pre>" %
cgi.escape(str(s0)))
ret.append("<h3>outgoing to:</h3>")
for i, (vertex1, vertex2,
edgetype) in enumerate(self.graphdb.all_outgoing(label)):
s0 = State(1, int(currtime))
wo = WalkOptions()
wo.hill_reluctance = hill_reluctance
wo.walking_speed = walking_speed
s1 = edgetype.walk(s0, wo)
if s1:
toterm = "<a href=\"/vertex?label="%s"&currtime=%d\">%s@%d</a>" % (
vertex2, s1.time, vertex2, s1.time)
else:
toterm = "<a href=\"/vertex?label="%s"\">%s</a>" % (
vertex2, vertex2)
ret.append(
"%s<br><pre> via %s (<a href=\"/outgoing?label="%s"&edgenum=%d\">details</a>)</pre>"
% (toterm, cgi.escape(repr(edgetype)), vertex1, i))
if s1:
ret.append("<pre> %s</pre>" %
cgi.escape(str(s1)))
wo.destroy()
return "".join(ret)
vertex.mime = "text/html"
def outgoing(self, label, edgenum):
all_outgoing = list(self.graphdb.all_outgoing(label))
fromv, tov, edge = all_outgoing[edgenum]
return edge.expound()
def incoming(self, label, edgenum):
all_incoming = list(self.graphdb.all_incoming(label))
fromv, tov, edge = all_incoming[edgenum]
return edge.expound()
def str(self):
return str(self.graphdb)
import json
except ImportError:
import simplejson as json
graphdb_filename = "sanfrancisco.gdb"
osmdb_filename = "sanfrancisco.osmdb"
munistops_filename = "munistops.json"
munistopsdb_filename = "munistops.db"
starttime = 0
lat_adj_tolerance = 0.002
lon_adj_tolerance = 0.002
walk_adj_tolerance = 180 # 3 minutes
munistops = json.load(file(munistops_filename))
graphdb = GraphDatabase( graphdb_filename )
graph = graphdb.incarnate()
osmdb = OSMDB( osmdb_filename )
try:
os.remove(munistopsdb_filename)
except OSError:
pass
munistopsdb = sqlite3.connect(munistopsdb_filename)
def main():
set_up_munistopsdb_schema()
pairs = 0
for start_stop_id, end_stop_id in adjacent_muni_stops_by_coords():
def main():
from optparse import OptionParser
usage = """Usage: python gst_process <configuration file>
See the documentation for layout of the config file."""
parser = OptionParser(usage=usage)
parser.add_option("-b", "--import-base", action="store_true", help="imports GTFS and OSM data into the database", dest="import_base", default=False)
parser.add_option("-r", "--import-routes", action="store_true", help="imports routing data into the database", dest="import_routes", default=False)
parser.add_option("-i", "--import-all", action="store_true", help="imports GTFS, OSM and routing data into the database", dest="import_all", default=False)
parser.add_option("-c", "--calculate", action="store_true", help="calculates shortest paths", dest="calculate", default=False)
parser.add_option("-e", "--export", action="store_true", help="exports the calculted paths as CSV-files", dest="export", default=False)
(options, args) = parser.parse_args()
if DEBUG: print(options)
if len(args) != 1:
parser.print_help()
exit(-1)
try:
configuration, psql_connect_string = read_config(args[0])
except:
print(colored('ERROR: failed reading the configuration file', 'red'))
if DEBUG: raise
parser.print_help()
exit(-1)
valide = validate_input(configuration, psql_connect_string, options)
if not valide:
parser.print_help()
exit(-1)
graph = None
if options.import_base or options.import_all:
print('Importing base data...')
build_base_data(psql_connect_string, configuration['osm-data'], configuration['transit-feed'])
if options.import_routes or options.import_all:
print('Importing routing data...')
graph = GraphDatabase(psql_connect_string).incarnate()
build_route_data(graph, psql_connect_string, configuration['times'], configuration['points'], configuration['routes'])
if options.calculate:
print('Calculating shortest paths...')
# only create tables if some importing was done
create_tables = options.import_all or options.import_base or options.import_routes
if not graph: graph = GraphDatabase(psql_connect_string).incarnate()
start = time.time()
calculate_routes(graph, psql_connect_string, configuration, num_processes=configuration['parallel-calculations'])
cprint('total calculation time: %s' % utils.seconds_time_string(time.time() - start), attrs=['bold'])
try:
graph.destroy()
except:
pass
if options.export:
print('Exporting paths...')
export_results(psql_connect_string, configuration['results'], configuration['result-details'])
print('DONE')
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")
print "Increments lat %f, lon %f" % (lat_increment, lon_increment)
print "Geocoder range", geocoder_range
print "Using time", dt.ctime()
print "Bounding box tlbr: %f, %f, %f, %f" % (lat_start, lon_start, lat_stop, lon_stop)
print "Checking %d routes" % (lat_grid * lon_grid)
minimum = sys.maxint
maximum = -sys.maxint - 1
min_lon = sys.maxint
max_lon = -sys.maxint - 1
min_lat = sys.maxint
max_lat = -sys.maxint - 1
gdb = GraphDatabase('king.highway.gdb')
graph = gdb.incarnate()
rows = []
#missing_value = None
missing_value = 50000
for i in xrange(0, lat_grid):
row = []
print "Row %d" % i
lat = lat_start + (i * lat_increment)
if lat < min_lat:
def main():
usage = """usage: python gdb_import_osm.py <graphdb_filename> <osmdb_filename>"""
parser = OptionParser(usage=usage)
parser.add_option(
"-n",
"--namespace",
dest="namespace",
default="osm",
help="prefix all imported vertices with namespace string")
parser.add_option(
"-s",
"--slog",
action="append",
dest="slog_strings",
default=[],
help=
"specify slog for highway type, in highway_type:slog form. For example, 'motorway:10.5'"
)
parser.add_option(
"-p",
"--profiledb",
dest="profiledb_filename",
default=None,
help="specify profiledb to annotate streets with rise/fall data")
parser.add_option(
"-c",
"--slog_config",
dest="slog_config",
default=None,
metavar="CONFIG.yaml",
help="file containing slog parameters for highways, cycleways, etc")
(options, args) = parser.parse_args()
if len(args) != 2:
parser.print_help()
exit(-1)
slogs = {}
slog_config = {}
if options.slog_config:
slog_config = yaml.load(open(options.slog_config).read())
for highway_type, slog_penalty in slog_config.get('slogs', {}).items():
slogs[highway_type] = float(slog_penalty)
for slog_string in options.slog_strings:
highway_type, slog_penalty = slog_string.split(":")
slogs[highway_type] = float(slog_penalty)
print "slog values: %s" % slogs
slog_config['slogs'] = slogs
if slog_config.get('slog_function'):
slog_config['slog_function'] = import_object(
slog_config['slog_function'])
graphdb_filename = args[0]
osmdb_filename = args[1]
print "importing osmdb '%s' into graphdb '%s'" % (osmdb_filename,
graphdb_filename)
profiledb = ProfileDB(
options.profiledb_filename) if options.profiledb_filename else None
osmdb = OSMDB(osmdb_filename)
gdb = GraphDatabase(graphdb_filename, overwrite=False)
gdb_import_osm(gdb, osmdb, options.namespace, slog_config, profiledb)
print "done"
print "Geocoder range", geocoder_range
print "Using time", dt.ctime()
print "Bounding box tlbr: %f, %f, %f, %f" % (lat_start, lon_start, lat_stop,
lon_stop)
print "Checking %d routes" % (lat_grid * lon_grid)
minimum = sys.maxint
maximum = -sys.maxint - 1
min_lon = sys.maxint
max_lon = -sys.maxint - 1
min_lat = sys.maxint
max_lat = -sys.maxint - 1
gdb = GraphDatabase('king.highway.gdb')
graph = gdb.incarnate()
rows = []
#missing_value = None
missing_value = 50000
for i in xrange(0, lat_grid):
row = []
print "Row %d" % i
lat = lat_start + (i * lat_increment)
if lat < min_lat:
def test_basic(self):
g = Graph()
g.add_vertex("A")
g.add_vertex("B")
g.add_edge("A", "B", Link())
g.add_edge("A", "B", Street("foo", 20.0))
gdb_file = os.path.dirname(__file__) + "unit_test.db"
if os.path.exists(gdb_file):
os.remove(gdb_file)
gdb = GraphDatabase(gdb_file)
gdb.populate(g)
list(gdb.execute("select * from resources"))
assert "A" in list(gdb.all_vertex_labels())
assert "B" in list(gdb.all_vertex_labels())
assert glen(gdb.all_edges()) == 2
assert glen(gdb.all_outgoing("A")) == 2
assert glen(gdb.all_outgoing("B")) == 0
assert glen(gdb.all_incoming("A")) == 0
assert glen(gdb.all_incoming("B")) == 2
assert glen(gdb.resources()) == 0
assert gdb.num_vertices() == 2
assert gdb.num_edges() == 2
g.destroy()
g = gdb.incarnate()
list(gdb.execute("select * from resources"))
assert "A" in list(gdb.all_vertex_labels())
assert "B" in list(gdb.all_vertex_labels())
assert glen(gdb.all_edges()) == 2
assert glen(gdb.all_outgoing("A")) == 2
assert glen(gdb.all_outgoing("B")) == 0
assert glen(gdb.all_incoming("A")) == 0
assert glen(gdb.all_incoming("B")) == 2
assert glen(gdb.resources()) == 0
assert gdb.num_vertices() == 2
assert gdb.num_edges() == 2
os.remove(gdb_file)
