void DrawOptionalPath(const map<string,infoT> &point,const set<arcT> &arc){
cout<<"select the start point and end point use the mouse in the map."<<endl;
cout<<"you will get the optimal path"<<endl;
coordT startP,endP;
string sp,ep;
//get the start and end
while(true){
cout<<"please click the start point....."<<endl;
startP=GetMouseClick();
map<string,infoT>::const_iterator itr=point.begin();
while(itr!=point.end()){
if(WithinDistance(startP,itr->second.location)) break;
itr++;
}
if(itr==point.end()){
cout<<"wrong click,there is no point in the click place"<<endl;
}
else{
cout<<"the start point is "<<itr->first<<endl;
sp=itr->first;
break;
}
}
while(true){
cout<<"please click the end point....."<<endl;
endP=GetMouseClick();
map<string,infoT>::const_iterator itr=point.begin();
while(itr!=point.end()){
if(WithinDistance(endP,itr->second.location)) break;
itr++;
}
if(itr==point.end()){
cout<<"wrong click,there is no point in the click place"<<endl;
}
else{
cout<<"the end point is "<<itr->first<<endl;
ep=itr->first;
break;
}
}
//draw the optional path
set<string> include;
set< vector<laborT> > path;
include.insert(sp);
cout<<"start drawing optional path..."<<endl;
draw(point,arc,include,path,sp,ep);
}
nodeT * GetPoint(Set<nodeT *> graph, string message, string color) {
nodeT *node;
while (true) {
cout << message << endl;
coordT point1 = GetMouseClick();
bool pointFound = false;
Set<nodeT *>::Iterator itr = graph.iterator();
while (itr.hasNext()) { // Test if click was close enough to a known location
node = itr.next();
if (WithinDistance(GetCoords(node),point1)) {
cout << node->name << endl;
DrawFilledCircleWithLabel(GetCoords(node), color);
pointFound = true;
break;
}
}
if (pointFound)
break;
else
cout << "Try Again" << endl;
}
return node;
}
string getLocName(string s, Map<coordT> &m) {
string name;
while (true) {
cout << s;
coordT loc = GetMouseClick();
Map<coordT>::Iterator it = m.iterator();
while (it.hasNext()) {
name = it.next();
if (WithinDistance(loc, m[name])) {
cout << name << " chosen." <<endl;
DrawFilledCircleWithLabel(m[name], "Red", name);
return name;
}
}
cout << "Invalid click. Please try again." << endl << endl;
}
}