def genRelation(self, verts, edges):
for vert in verts:
self.relation[vert] = []
for edge in edges:
self.relation[edge.start].append(
Edge.TruncEdge(edge=edge, head=True))
self.relation[edge.end].append(
Edge.TruncEdge(edge=edge, head=False))
def addEdge(self,edge):
if not edge.start in self.verts or not edge.end in self.verts:
return
self.edges.append(edge)
self.relation[edge.start].append(Edge.TruncEdge(edge=edge,head=True))
self.relation[edge.end].append(Edge.TruncEdge(edge=edge,head=False))
