def addLink(self, link):
"""
addLink adds a link to the GraphLib and updates its respective nodes. Call
addNode first.
@type link: GraphLink
"""
if link.origNode.id not in self.nodeMap:
print('WARNING: Node %d is not present.' % link.origNode, file = sys.stderr)
return
link.distance = linear.getNorm(link.origNode.coordX, link.origNode.coordY, link.destNode.coordX, link.destNode.coordY)
self.linkMap[link.id] = link
self.nodeMap[link.origNode.id].outgoingLinkMap[link.id] = link
