add method
Add the edge to the list of edges at this node
Implementation
void add(EdgeEnd e) {
// Assert: start pt of e is equal to node point
edges!.insert(e);
e.setNode(this);
}
Add the edge to the list of edges at this node
void add(EdgeEnd e) {
// Assert: start pt of e is equal to node point
edges!.insert(e);
e.setNode(this);
}