// Option 7 public void addRoute(String c1, String c2, int distance, double price) { if (c1.equals(c2) || distance < 0 || price < 0) { System.out.println("Invalid route info"); return; } City city1 = null; City city2 = null; for (int i = 0; i < numCities; i++) { if (cities[i].name().equals(c1)) { city1 = cities[i]; } if (cities[i].name().equals(c2)) { city2 = cities[i]; } } if (city1 == null || city2 == null) { System.out.println("Invalid city choice(s)"); return; } Route r = new Route(city1, city2, distance, price); routes.add(r); adj[city1.id() - 1].add(r); adj[city2.id() - 1].add(r); numRoutes++; }
///// ACCESSORS///// public double distance(City cityIn) { double changeInX = X - cityIn.getX(); double changeInY = Y - cityIn.getY(); double xDistanceSquared = (changeInX * changeInX) + (changeInY * changeInY); double xDistance = Math.sqrt(xDistanceSquared); return xDistance; }
public City interpret() { City resultingCity = new City("Nowhere", 999.9, 999.9); for (Expression currentExpression : this.expressions) { City currentCity = currentExpression.interpret(); if (currentCity.getLatitude() < resultingCity.getLatitude()) { resultingCity = currentCity; } } return resultingCity; }
// relax edge e and update pq if changed private void relaxC(Route r, int v) { City city2 = r.other(cities[v]); int w = city2.id() - 1; if (costTo[w] > costTo[v] + r.price()) { costTo[w] = costTo[v] + r.price(); edgeTo[w] = r; if (costPQ.contains(w)) costPQ.change(w, costTo[w]); else costPQ.insert(w, costTo[w]); } }
private void relaxD(Route r, int v) { // relax edge e and update pq if changed City city2 = r.other(cities[v]); int w = city2.id() - 1; if (distTo[w] > distTo[v] + r.distance()) { distTo[w] = distTo[v] + r.distance(); edgeTo[w] = r; if (pq.contains(w)) pq.change(w, distTo[w]); else pq.insert(w, distTo[w]); } }
public City interpret() { // System.out.println("procesando no oeste"); City resultingCity = new City("Nowhere", 999.9, 999.9); for (Expression currentExpression : expressions) { City currentCity = currentExpression.interpret(); if (currentCity.getLongitude() < resultingCity.getLongitude()) { resultingCity = currentCity; } } System.out.println(resultingCity.getName()); return resultingCity; }
public void removeRoute(City city1, City city2) { Route route = null; for (Route r : adj[city1.id() - 1]) { if (r.other(city1).equals(city2)) { route = r; break; } } adj[city1.id() - 1].remove(route); adj[city2.id() - 1].remove(route); routes.remove(route); numRoutes--; }
// Option 5 public void shortestByHops(String c1, String c2) { System.out.println("FEWEST HOPS from " + c1 + " to " + c2); System.out.println("---------------------------------------------"); City city1 = null; City city2 = null; for (int i = 0; i < numCities; i++) { if (cities[i].name().equals(c1)) { city1 = cities[i]; } if (cities[i].name().equals(c2)) { city2 = cities[i]; } } if (c1.equals(c2) || city1 == null || city2 == null) { System.out.println("Invalid city choice(s)"); return; } marked = new boolean[numCities]; distTo = new int[numCities]; edgeTo = new Route[numCities]; for (int i = 0; i < numCities; i++) distTo[i] = Integer.MAX_VALUE; bfs(city1.id() - 1); if (distTo[city2.id() - 1] == Integer.MAX_VALUE) { System.out.println("No path"); return; } System.out.printf("Fewest hops from %s to %s is %d\n", c1, c2, distTo[city2.id() - 1]); City currCity = city2; for (Route r = edgeTo[city2.id() - 1]; r != null; r = edgeTo[currCity.id() - 1]) { System.out.print(currCity + " "); currCity = r.other(currCity); } System.out.println(currCity); }
// Option 10 public void removeCity(String c) { City city = null; for (int i = 0; i < numCities; i++) { if (cities[i].name().equals(c)) { city = cities[i]; } } if (city == null) { System.out.println("Invalid city choice"); return; } // Remove all routes connected to the city for (Route r : adj[city.id() - 1]) { City other = r.other(city); adj[other.id() - 1].remove(r); routes.remove(r); numRoutes--; } cities[city.id() - 1] = null; adj[city.id() - 1] = null; numCities--; // Shift and resize arrays as necessary shiftCities(city.id() - 1); shiftAdj(city.id() - 1); if (numCities < cities.length / 2) { // halve the lengths of the arrays resizeCities(cities.length / 2); resizeAdj(cities.length / 2); } }
private void createEdges() { City c1, c2; for (int i = 0; i < allCities.size(); i++) { for (int j = 0; j < allCities.size(); j++) { if (i == j) continue; c1 = allCities.get(i); c2 = allCities.get(j); c1.addCityToMap(c2); c2.addCityToMap(c1); // System.out.println("c1 " + c1.getName() + " , c2 " + c2.getName() + " dist : " + // c1.getdMap().get(c2)); } } sortEdges(allCities); }
public static void computePaths(City source) { source.minDistance = 0.; PriorityQueue<City> cityQueue = new PriorityQueue<City>(); cityQueue.add(source); while (!cityQueue.isEmpty()) { City u = cityQueue.poll(); // Visit each edge exiting u for (Route e : u.neighbours) { City v = e.target; double weight = e.weight; double distanceThroughU = u.minDistance + weight; if (distanceThroughU < v.minDistance) { cityQueue.remove(v); v.minDistance = distanceThroughU; v.previous = u; cityQueue.add(v); } } } }
// Option 4 public void shortestByCost(String c1, String c2) { System.out.println("SHORTEST COST PATH from " + c1 + " to " + c2); System.out.println("--------------------------------------------------------"); City city1 = null; City city2 = null; for (int i = 0; i < numCities; i++) { if (cities[i].name().equals(c1)) { city1 = cities[i]; } if (cities[i].name().equals(c2)) { city2 = cities[i]; } } if (c1.equals(c2) || city1 == null || city2 == null) { System.out.println("Invalid city choice(s)"); return; } costTo = new double[numCities]; edgeTo = new Route[numCities]; for (int i = 0; i < numCities; i++) costTo[i] = Double.POSITIVE_INFINITY; costTo[city1.id() - 1] = 0; // relax vertices in order of distance from s costPQ = new IndexMinPQ<Double>(numCities); costPQ.insert(city1.id() - 1, costTo[city1.id() - 1]); while (!costPQ.isEmpty()) { int v = costPQ.delMin(); for (Route r : adj[v]) relaxC(r, v); } if (costTo[city2.id() - 1] == Double.POSITIVE_INFINITY) { System.out.println("No path"); return; } System.out.printf("Shortest cost from %s to %s is %.2f\n", c1, c2, costTo[city2.id() - 1]); System.out.println("Path with edges (in reverse order):"); City currCity = city2; for (Route r = edgeTo[city2.id() - 1]; r != null; r = edgeTo[currCity.id() - 1]) { System.out.print(currCity + " " + r.price() + " "); currCity = r.other(currCity); } System.out.println(currCity); }
// Option 3 public void shortestByDistance(String c1, String c2) { System.out.println("SHORTEST DISTANCE PATH from " + c1 + " to " + c2); System.out.println("--------------------------------------------------------"); City city1 = null; City city2 = null; for (int i = 0; i < numCities; i++) { if (cities[i].name().equals(c1)) { city1 = cities[i]; } if (cities[i].name().equals(c2)) { city2 = cities[i]; } } if (c1.equals(c2) || city1 == null || city2 == null) { System.out.println("Invalid city choice(s)"); return; } distTo = new int[numCities]; edgeTo = new Route[numCities]; for (int i = 0; i < numCities; i++) distTo[i] = Integer.MAX_VALUE; distTo[city1.id() - 1] = 0; // relax vertices in order of distance from s pq = new IndexMinPQ<Integer>(numCities); pq.insert(city1.id() - 1, distTo[city1.id() - 1]); while (!pq.isEmpty()) { int v = pq.delMin(); for (Route r : adj[v]) relaxD(r, v); } if (distTo[city2.id() - 1] == Integer.MAX_VALUE) { System.out.println("No path"); return; } System.out.printf("Shortest distance from %s to %s is %d\n", c1, c2, distTo[city2.id() - 1]); System.out.println("Path with edges (in reverse order):"); City currCity = city2; for (Route r = edgeTo[city2.id() - 1]; r != null; r = edgeTo[currCity.id() - 1]) { System.out.print(currCity + " " + r.distance() + " "); currCity = r.other(currCity); } System.out.println(currCity); }
@RequestMapping( value = "/getCityApi", method = {RequestMethod.GET, RequestMethod.POST}) public String getCityApi( HttpServletRequest request, @RequestParam(value = "locationname") String locationname, ModelMap model) { Map<Object, Object> map = new HashMap<Object, Object>(); JSONArray jSONArray = new JSONArray(); try { String status = "active"; List<City> cityList = cityService.getCityApi(locationname, status); if (cityList != null && cityList.size() > 0) { for (int i = 0; i < cityList.size(); i++) { City city = (City) cityList.get(i); String cityName = (String) city.getCity(); String stateName = (String) city.getState(); int ID = (Integer) (city.getId()); JSONObject jSONObject = new JSONObject(); jSONObject.put("id", ID); jSONObject.put("text", cityName); jSONArray.put(jSONObject); } utilities.setSuccessResponse(response, jSONArray.toString()); } else { throw new ConstException(ConstException.ERR_CODE_NO_DATA, ConstException.ERR_MSG_NO_DATA); } } catch (Exception ex) { logger.error("getCity :" + ex.getMessage()); utilities.setErrResponse(ex, response); } model.addAttribute("model", jSONArray.toString()); return "home"; }
public static void main(String[] args) { City a = new City("A"); City b = new City("B"); City c = new City("C"); City d = new City("D"); City e = new City("E"); a.neighbours = new Vector<Route>(); a.neighbours.add(new Route(b, 5)); a.neighbours.add(new Route(d, 5)); a.neighbours.add(new Route(e, 7)); b.neighbours = new Vector<Route>(); b.neighbours.add(new Route(c, 4)); c.neighbours = new Vector<Route>(); c.neighbours.add(new Route(d, 8)); c.neighbours.add(new Route(e, 2)); d.neighbours = new Vector<Route>(); d.neighbours.add(new Route(c, 8)); d.neighbours.add(new Route(e, 6)); e.neighbours = new Vector<Route>(); e.neighbours.add(new Route(b, 3)); City[] vertices = {a, b, c, d, e}; HashMap<String, City> edges = new HashMap<String, City>(); for (City _city : vertices) { edges.put(_city.name, _city); } String[] cities = new String[vertices.length]; for (int i = 0; i < vertices.length; i++) { cities[i] = vertices[i].name; } computePaths(a); /** * for (City v : vertices) { System.out.println("Distance to " + v + ": " + v.minDistance); * List<City> path = getShortestPathTo(v); System.out.println("Path: " + path); } */ Scanner scanner = new Scanner(System.in); String input = null; String[] inputsplit = null; while (true) { input = scanner.next(); if (input.equalsIgnoreCase("quit")) { break; } inputsplit = input.split("-"); Trip trip = new Trip(); Route lastvisited = trip.route.lastElement(); for (String str : inputsplit) { System.out.print(str + ' '); City city; if (edges.containsKey(str)) { city = edges.get(str); } else { System.out.println("NO SUCH City"); // TODO change name break; } if (trip.route == null) { trip.addRoute(edges.get(city.name)); } System.out.println(trip.toString()); } System.out.println(trip.distance); } }
private void recPaths(double maxCost, double currCost, City currCity) { // Backtrack if above max cost if (currCost > maxCost) { marked[currCity.id() - 1] = false; return; } // Print current path before continuing along routes if (edgeTo[currCity.id() - 1] != null) { System.out.printf("Cost: %.0f Path (reversed): ", currCost); City temp = currCity; for (Route r = edgeTo[temp.id() - 1]; r != null; r = edgeTo[temp.id() - 1]) { System.out.printf("%s %.0f ", temp, r.price()); temp = r.other(temp); } System.out.println(temp); } // Recursion marked[currCity.id() - 1] = true; for (Route r : adj[currCity.id() - 1]) { City other = r.other(currCity); // Don't follow route if other city already in path if (!marked[other.id() - 1]) { edgeTo[other.id() - 1] = r; recPaths(maxCost, currCost + r.price(), other); } } // traversed all paths from currCity, backtrack to previous city marked[currCity.id() - 1] = false; }
public synchronized void paint(Graphics graphics) { Graphics2D g = (Graphics2D) graphics; Image water = Toolkit.getDefaultToolkit().getImage("catanui/water.jpg"); g.drawImage(water, 0, 0, this); for (Hex o : _hexes) { o.paint(g, _display_offset[0], _display_offset[1]); } g.translate(_display_offset[0] + 2, _display_offset[1] - 1); synchronized (portContents) { for (Pair c : portContents.keySet()) { int lowx = hexleft + (((CoordPair) c.getA()).getX() - (((CoordPair) c.getA()).getX() % 2)) / 2 * intervalSide[0] + (((CoordPair) c.getA()).getX() - (((CoordPair) c.getA()).getX() % 2)) / 2 * intervalSide[1] + (((CoordPair) c.getA()).getX() % 2) * intervalSide[0]; int lowy = hextop + ((CoordPair) c.getA()).getY() * intervalUp; int highx = hexleft + (((CoordPair) c.getB()).getX() - (((CoordPair) c.getB()).getX() % 2)) / 2 * intervalSide[0] + (((CoordPair) c.getB()).getX() - (((CoordPair) c.getB()).getX() % 2)) / 2 * intervalSide[1] + (((CoordPair) c.getB()).getX() % 2) * intervalSide[0]; int highy = hextop + ((CoordPair) c.getB()).getY() * intervalUp; int dx = highx - lowx; int dy = highy - lowy; double rad = Math.atan((1.0) * dy / dx); if (dx < 0) rad += Math.PI; g.translate(lowx, lowy); g.rotate(rad); g.drawImage( BoardObject.images.get(BoardObject.type2port.get(portContents.get(c))), 0, -75, null); g.rotate(-rad); g.translate((-1) * lowx, (-1) * lowy); } } g.translate((-1) * _display_offset[0], (-1) * _display_offset[1]); synchronized (roadContents) { for (Pair c : roadContents.keySet()) { Road r = new Road( hexleft + (((CoordPair) c.getA()).getX() - (((CoordPair) c.getA()).getX() % 2)) / 2 * intervalSide[0] + (((CoordPair) c.getA()).getX() - (((CoordPair) c.getA()).getX() % 2)) / 2 * intervalSide[1] + (((CoordPair) c.getA()).getX() % 2) * intervalSide[0], hextop + ((CoordPair) c.getA()).getY() * intervalUp); r.setX2( hexleft + (((CoordPair) c.getB()).getX() - (((CoordPair) c.getB()).getX() % 2)) / 2 * intervalSide[0] + (((CoordPair) c.getB()).getX() - (((CoordPair) c.getB()).getX() % 2)) / 2 * intervalSide[1] + (((CoordPair) c.getB()).getX() % 2) * intervalSide[0]); r.setY2(hextop + ((CoordPair) c.getB()).getY() * intervalUp); r.setColor(roadContents.get(c)); r.paint(g, _display_offset[0], _display_offset[1]); } } synchronized (vertexContents) { for (CoordPair c : vertexContents.keySet()) { int newx = hexleft + ((c._x - (c._x % 2)) / 2 * intervalSide[0] + (c._x - (c._x % 2)) / 2 * intervalSide[1] + (c._x % 2) * intervalSide[0]) - 20; int newy = hextop + c._y * intervalUp - 20; if ((BoardObject.type) (vertexContents.get(c).getA()) == BoardObject.type.SETTLEMENT) { Settlement s = new Settlement(newx, newy, (Integer) (vertexContents.get(c).getB())); s.paint(g, _display_offset[0], _display_offset[1]); } else if ((BoardObject.type) (vertexContents.get(c).getA()) == BoardObject.type.CITY) { City s = new City(newx, newy, (Integer) (vertexContents.get(c).getB())); s.paint(g, _display_offset[0], _display_offset[1]); } else System.out.println("neither -_-"); } } g.setColor(Color.GRAY); g.fill(new Rectangle(0, 0, 110, 60)); g.setColor(Color.LIGHT_GRAY); g.fill(new Rectangle(3, 3, 104, 56)); if (_dieRoll > 0) { BufferedImage r1img = diceImage.getSubimage((int) (Math.floor((twoDice[0] - 1) * 94.7)), 0, 94, 93); g.drawImage(r1img, 5, 7, 48, 47, null); BufferedImage r2img = diceImage.getSubimage((int) (Math.floor((twoDice[1] - 1) * 94.7)), 0, 94, 93); g.drawImage(r2img, 55, 7, 48, 47, null); } if (_up != null) _up.paint(g); if (!_gameOver.equals("") && !_dismiss) { _currAlpha += 0.007; } g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, _currAlpha)); g.setColor(Color.GRAY); g.fill(new Rectangle(-20, 0, 1020, 650)); g.setColor(Color.BLACK); g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, (float) 1.0)); if (!_gameOver.equals("")) { if (_currAlpha >= 0.8) { if (_gameOver.equals(gameLogic._name)) { g.drawString("Congratulations, you won!", 350, 200); } else { g.drawString(_gameOver + " has won!", 350, 200); } _dismiss = true; } else repaint(); } }
private void sortEdges(List<City> allCities) { for (City city : allCities) { city.setdMap(sortByValues(city.getdMap())); } }