void Simulator:: iniToJunctionMap(){

	boost::property_tree::ptree pt;
	boost::property_tree::ini_parser::read_ini("RoadMap.ini", pt);

	for (boost::property_tree::ptree::const_iterator sectionIter = pt.begin();sectionIter != pt.end(); sectionIter++) {
		string end=sectionIter->first;
		Junction* newJunction = new Junction (end,*this);
		for (boost::property_tree::ptree::const_iterator propertyIter = sectionIter->second.begin(); propertyIter !=  sectionIter->second.end(); propertyIter++){
			string start=propertyIter->first;
			string roadId=start+end;
			Road* incomingRoad = (RoadMap[roadId]);
			newJunction->incomingRoads.push_back(incomingRoad);
		}

		JunctionMap.insert(pair<string,Junction*>(end,newJunction));
	}

}