class StreetTurnEvent:
def __init__(self, osmdb_filename, timezone_name = "America/Los_Angeles"):
self.osmdb = OSMDB( osmdb_filename )
self.timezone_name = timezone_name
@staticmethod
def applies_to(edge1, vertex, edge2):
return edge1 and edge2 and isinstance(edge1.payload, graphserver.core.Street) and isinstance(edge2.payload, graphserver.core.Street) \
and edge1.payload.way != edge2.payload.way
def __call__(self, edge1, vertex, edge2, context):
osm_id = vertex.label.split("-")[1]
# figure out which direction to turn
osm_way_id1 = edge1.payload.name.split("-")[0]
osm_way_id2 = edge2.payload.name.split("-")[0]
osm_edge1 = self.osmdb.edge( edge1.payload.name )
osm_edge2 = self.osmdb.edge( edge2.payload.name )
osm_edge1_endnode = osm_edge1[3]
osm_edge2_startnode = osm_edge2[2]
osm_edge1_geom = osm_edge1[5]
osm_edge2_geom = osm_edge2[5]
if osm_id != osm_edge1_endnode:
osm_edge1_geom.reverse()
if osm_id != osm_edge2_startnode:
osm_edge2_geom.reverse()
endseg = osm_edge1_geom[-2:]
startseg = osm_edge2_geom[:2]
direction = turn_narrative( endseg[0], endseg[1], startseg[0], startseg[1] )
street_name1 = self.osmdb.way( osm_way_id1 ).tags.get("name", "unnamed")
street_name2 = self.osmdb.way( osm_way_id2 ).tags.get("name", "unnamed")
osm_node_id, osm_node_tags, osm_node_lat, osm_node_lon, osm_node_refcount = self.osmdb.node( osm_id )
average_speed = context['sumlength']/(vertex.state.time-context['lastturntime']) if vertex.state.time-context['lastturntime']>0 else 100000000
what = "%s onto %s after %dm, %0.1fm rise, %0.1fm fall (%0.1fm/s)"%(direction, street_name2, context['sumlength'], context['sumrise'], context['sumfall'], average_speed)
where = "%s & %s"%(street_name1, street_name2)
when = "about %s"%str(TimeHelpers.unix_to_localtime( vertex.state.time, self.timezone_name ))
geom = (osm_node_lon, osm_node_lat)
context['sumlength'] = 0
context['sumrise'] = 0
context['sumfall'] = 0
context['lastturntime'] = vertex.state.time
return NarrativeEvent(what,where,when,geom)
class StreetStartEvent:
def __init__(self, osmdb_filename, timezone_name="America/Los_Angeles"):
self.osmdb = OSMDB(osmdb_filename)
self.timezone_name = timezone_name
@staticmethod
def applies_to(edge1, vertex, edge2):
# if edge1 is not a street and edge2 is
return (edge1 is None or not isinstance(edge1.payload, graphserver.core.Street)) and \
(edge2 and isinstance(edge2.payload, graphserver.core.Street))
def __call__(self, edge1, vertex, edge2, context):
context['streetgeom'] = []
context['sumlength'] = 0
context['sumrise'] = 0
context['sumfall'] = 0
context['lastturntime'] = vertex.state.time
osm_way2 = edge2.payload.name.split("-")[0]
street_name2 = self.osmdb.way(osm_way2).tags.get('name', "unnamed")
osm_id = vertex.label.split("-")[1]
osm_node_id, osm_node_tags, osm_node_lat, osm_node_lon, osm_node_refcount = self.osmdb.node(
osm_id)
osm_edge2 = self.osmdb.edge(edge2.payload.name)
osm_edge2_startnode = osm_edge2[2]
osm_edge2_geom = osm_edge2[5]
if osm_id != osm_edge2_startnode:
osm_edge2_geom.reverse()
startseg = osm_edge2_geom[:2]
direction = description_from_north(startseg[0], startseg[1])
what = "start walking"
where = "on %s facing %s" % (street_name2, direction)
when = "about %s" % str(
TimeHelpers.unix_to_localtime(vertex.state.time,
self.timezone_name))
geom = [osm_node_lon, osm_node_lat]
return NarrativeEvent(what, where, when, geom)
class StreetEvent:
def __init__(self, osmdb_filename, timezone_name="America/Los_Angeles"):
self.osmdb = OSMDB( osmdb_filename )
self.timezone_name = timezone_name
@staticmethod
def applies_to(vertex1, edge, vertex2):
return edge is not None and isinstance(edge.payload, graphserver.core.Street)
def __call__(self, vertex1, edge, vertex2, context):
# adds to the variable set up by the StreetStartEvent
geometry_chunk = self.osmdb.edge( edge.payload.name )[5]
if len(context['streetgeom'])==0 or len(geometry_chunk)==0 or context['streetgeom'][-1] == geometry_chunk[0]:
context['streetgeom'].extend( geometry_chunk )
else:
context['streetgeom'].extend( reversed( geometry_chunk ) )
context['sumlength'] += edge.payload.length
context['sumrise'] += edge.payload.rise
context['sumfall'] += edge.payload.fall
return None
class StreetStartEvent:
def __init__(self, osmdb_filename, timezone_name = "America/Los_Angeles"):
self.osmdb = OSMDB( osmdb_filename )
self.timezone_name = timezone_name
@staticmethod
def applies_to(edge1, vertex, edge2):
# if edge1 is not a street and edge2 is
return (edge1 is None or not isinstance(edge1.payload, graphserver.core.Street)) and \
(edge2 and isinstance(edge2.payload, graphserver.core.Street))
def __call__(self, edge1, vertex, edge2, context):
context['streetgeom'] = []
context['sumlength'] = 0
context['sumrise'] = 0
context['sumfall'] = 0
context['lastturntime'] = vertex.state.time
osm_way2 = edge2.payload.name.split("-")[0]
street_name2 = self.osmdb.way( osm_way2 ).tags.get('name', "unnamed")
osm_id = vertex.label.split("-")[1]
osm_node_id, osm_node_tags, osm_node_lat, osm_node_lon, osm_node_refcount = self.osmdb.node( osm_id )
osm_edge2 = self.osmdb.edge( edge2.payload.name )
osm_edge2_startnode = osm_edge2[2]
osm_edge2_geom = osm_edge2[5]
if osm_id != osm_edge2_startnode:
osm_edge2_geom.reverse()
startseg = osm_edge2_geom[:2]
direction = description_from_north( startseg[0], startseg[1] )
what = "start walking"
where = "on %s facing %s"%(street_name2, direction)
when = "about %s"%str(TimeHelpers.unix_to_localtime( vertex.state.time, self.timezone_name ))
geom = [osm_node_lon, osm_node_lat]
return NarrativeEvent(what,where,when,geom)