Implemented Map Boundaries in XML

- RaceXMLReader will calculate the top left latitude and longitude and the bottom right latitude and longitude, and make the layout the map accordingly.
- The Boundaries are draw on the Race Canvas in Aqua.
#story[22]

src/main/java/seng302/Controllers/RaceController.java

@@ -143,12 +143,16 @@ public class RaceController extends Controller{
         BoatInRace[] boats = new BoatInRace[raceXMLReader.getBoats().size()];
         boats = raceXMLReader.getBoats().toArray(boats);
         //BoatInRace[] boats = generateAC35Competitors();
-
+        double lat1 = raceXMLReader.getMapTopLeft().getLatitude();
-        raceMap = new ResizableRaceCanvas();
+        double long1 = raceXMLReader.getMapTopLeft().getLongitude();
+        double lat2 = raceXMLReader.getMapBottomRight().getLatitude();
+        double long2 = raceXMLReader.getMapBottomRight().getLongitude();
+        raceMap = new ResizableRaceCanvas(lat1, long1, lat2, long2);
         raceMap.setMouseTransparent(true);
         raceMap.widthProperty().bind(canvasBase.widthProperty());
         raceMap.heightProperty().bind(canvasBase.heightProperty());
         raceMap.setBoats(boats);
+        raceMap.setRaceBoundaries(raceXMLReader.getBoundary());
         raceMap.drawRaceMap();
         raceMap.setVisible(true);
 

src/main/java/seng302/Model/ResizableRaceCanvas.java

@@ -1,6 +1,7 @@
 package seng302.Model;
 
 
+import com.sun.corba.se.impl.orbutil.graph.Graph;
 import javafx.application.Platform;
 import javafx.scene.canvas.Canvas;
 import javafx.scene.canvas.GraphicsContext;
@@ -29,6 +30,7 @@ public class ResizableRaceCanvas extends Canvas {
     private BoatInRace[] boats;
     private RaceController controller;
     private boolean raceAnno = true;
+    private ArrayList<GPSCoordinate> raceBoundaries;
 
     /**
      * Sets the boats that are to be displayed in this race.
@@ -41,6 +43,7 @@ public class ResizableRaceCanvas extends Canvas {
 
 
     public ResizableRaceCanvas(RaceMap map) {
+        super();
         this.map = map;
         gc = this.getGraphicsContext2D();
         // Redraw canvas when size changes.
@@ -53,6 +56,12 @@ public class ResizableRaceCanvas extends Canvas {
      */
     public ResizableRaceCanvas() {
         this(null);
+        setMap(new RaceMap(32.278, -64.863, 32.320989, -64.821, (int) getWidth(), (int) getHeight()));
+    }
+
+    public ResizableRaceCanvas(double lat1, double long1, double lat2, double long2){
+        this(null);
+        setMap(new RaceMap(lat1, long1, lat2, long2, (int) getWidth(), (int) getHeight()));
     }
 
     /**
@@ -154,6 +163,18 @@ public class ResizableRaceCanvas extends Canvas {
         gc.fillText(text, xCoord, yCoord);
     }
 
+    public void drawBoundaries(){
+        gc.setFill(Color.AQUA);
+        double xpoints[] = new double[raceBoundaries.size()];
+        double ypoints[] = new double[raceBoundaries.size()];
+        for (int i = 0; i < raceBoundaries.size(); i++){
+            GraphCoordinate coord = map.convertGPS(raceBoundaries.get(i));
+            xpoints[i] = coord.getX();
+            ypoints[i] = coord.getY();
+        }
+        gc.fillPolygon(xpoints, ypoints, xpoints.length);
+    }
+
     /**
      * Draws the Race Map
      */
@@ -161,16 +182,17 @@ public class ResizableRaceCanvas extends Canvas {
 
         double width = getWidth();
         double height = getHeight();
-
         gc.clearRect(0, 0, width, height);
         //System.out.println("Race Map Canvas Width: "+ width + ", Height:" + height);
-        this.map = new RaceMap(32.278, -64.863, 32.320989, -64.821, (int) width, (int) height);
         if (map == null) {
-            return;
+            return;//TODO this should return a exception in the future
         }
+        this.map.setHeight((int)height);
+        this.map.setWidth((int)width);
 
         //finish line
         gc.setLineWidth(2);
+        drawBoundaries();
         GraphCoordinate finishLineCoord1 = this.map.convertGPS(Constants.finishLineMarker1);
         GraphCoordinate finishLineCoord2 = this.map.convertGPS(Constants.finishLineMarker2);
         displayLine(finishLineCoord1, finishLineCoord2, Color.DARKRED);
@@ -189,7 +211,6 @@ public class ResizableRaceCanvas extends Canvas {
 
         displayLine(startline1, startline2, Color.GREEN);
 
-
         if (boats != null) {
             for (BoatInRace boat : boats) {
                 if (boat != null) {
@@ -226,6 +247,10 @@ public class ResizableRaceCanvas extends Canvas {
         }
     }
 
+    public void setRaceBoundaries(ArrayList<GPSCoordinate> boundaries) {
+        this.raceBoundaries = boundaries;
+    }
+
     /**
      * Set the Canvas to resizable.
      *

src/main/java/seng302/RaceMap.java

@@ -50,4 +50,12 @@ public class RaceMap {
     public GraphCoordinate convertGPS(GPSCoordinate coordinate) {
         return convertGPS(coordinate.getLatitude(), coordinate.getLongitude());
     }
+
+    public void setWidth(int width) {
+        this.width = width;
+    }
+
+    public void setHeight(int height) {
+        this.height = height;
+    }
 }

src/main/java/seng302/RaceXMLReader.java

@@ -19,7 +19,9 @@ public class RaceXMLReader extends XMLReader{
     private Color[] colors = {Color.BLUEVIOLET, Color.BLACK, Color.RED, Color.ORANGE, Color.DARKOLIVEGREEN, Color.LIMEGREEN};//TODO make this established in xml or come up with a better system.
     private ArrayList<Leg> legs = new ArrayList<>();
     private GPSCoordinate mark, startPt1, startPt2, finishPt1, finishPt2, leewardPt1, leewardPt2, windwardPt1, windwardPt2;
+    private GPSCoordinate mapTopLeft, mapBottomRight;
     private ArrayList<GPSCoordinate> boundary = new ArrayList<>();
+    private static double COORDINATEPADDING = 0.0005;
 
 
     public RaceXMLReader(String filePath) throws IOException, SAXException, ParserConfigurationException {
@@ -73,9 +75,61 @@ public class RaceXMLReader extends XMLReader{
         NodeList nCourse = doc.getElementsByTagName("course");
 
         NodeList nBounds = ((Element)nCourse.item(0)).getElementsByTagName("boundaries");
+        nBounds = ((Element) nBounds.item(0)).getElementsByTagName("coordinate");
+        int maxLatitudeIndex = 0;
+        double maxLatitude = -Double.MIN_VALUE;
+        int maxLongitudeIndex = 0;
+        double maxLongitude = -180;
+        int minLatitudeIndex = 0;
+        double minLatitude = Double.MAX_VALUE;
+        int minLongitudeIndex = 0;
+        double minLongitude = Double.MAX_VALUE;
         for (int i = 0; i < nBounds.getLength(); i++){
-            boundary.add(getCoordinates(nBounds, i));
+            boundary.add(getCoordinates((Element) nBounds.item(i)));
+            if (boundary.get(i).getLatitude() > maxLatitude){
+                maxLatitudeIndex = i;
+                maxLatitude = boundary.get(i).getLatitude();
+            }
+            if (boundary.get(i).getLatitude() < minLatitude){
+                minLatitudeIndex = i;
+                minLatitude = boundary.get(i).getLatitude();
+            }
+            if (boundary.get(i).getLongitude() > maxLongitude){
+                maxLongitudeIndex = i;
+                maxLongitude = boundary.get(i).getLongitude();
+            }
+            if (boundary.get(i).getLongitude() < minLongitude){
+                minLongitudeIndex = i;
+                minLongitude = boundary.get(i).getLongitude();
+            }
         }
+        System.out.println(nBounds.getLength());
+        System.out.println(maxLatitude);
+        System.out.println(minLatitude);
+        System.out.println(maxLongitude);
+        System.out.println(minLongitude);
+
+        double difference = 0;//this will hold the largest difference so we can make the map square.
+        double latitudeDiff = Math.abs(Math.abs(boundary.get(maxLatitudeIndex).getLatitude()) - Math.abs(boundary.get(minLatitudeIndex).getLatitude()));
+        double longitudeDiff = Math.abs(Math.abs(boundary.get(maxLongitudeIndex).getLongitude()) - Math.abs(boundary.get(minLongitudeIndex).getLongitude()));
+        if (latitudeDiff >= longitudeDiff){
+            difference = latitudeDiff - longitudeDiff;
+            maxLongitude += difference/2;
+            minLongitude -= difference/2;
+        }else{
+            difference = longitudeDiff - latitudeDiff;
+            maxLatitude += difference/2;
+            minLatitude -= difference/2;
+        }
+        maxLatitude += COORDINATEPADDING;
+        minLatitude -= COORDINATEPADDING;
+        maxLongitude += COORDINATEPADDING;
+        minLongitude -= COORDINATEPADDING;
+        //now create map boundaries
+        //top left canvas point is min logitude, max latitude
+        //bottom right of canvas point is min longitude, max latitude.
+        mapTopLeft = new GPSCoordinate(minLatitude, minLongitude);
+        mapBottomRight = new GPSCoordinate(maxLatitude, maxLongitude);
 
         NodeList nMarks = ((Element)nCourse.item(0)).getElementsByTagName("marker");
         startPt1 = getCoordinates(nMarks, 0);
@@ -162,4 +216,12 @@ public class RaceXMLReader extends XMLReader{
     public ArrayList<GPSCoordinate> getBoundary() {
         return boundary;
     }
+
+    public GPSCoordinate getMapTopLeft() {
+        return mapTopLeft;
+    }
+
+    public GPSCoordinate getMapBottomRight() {
+        return mapBottomRight;
+    }
 }

src/main/resources/raceXML/bermuda_AC35.xml

@@ -119,12 +119,48 @@
     <course>
         <boundaries>
             <coordinate>
-                <latitude>32.278</latitude>
+                <latitude>32.313922</latitude>
-                <longitude>-64.863</longitude>
+                <longitude>-64.837168</longitude>
             </coordinate>
             <coordinate>
-                <latitude>32.30989</latitude>
+                <latitude>32.317403</latitude>
-                <longitude>-64.821</longitude>
+                <longitude>-64.838627</longitude>
+            </coordinate>
+            <coordinate>
+                <latitude>32.317911</latitude>
+                <longitude>-64.836996</longitude>
+            </coordinate>
+            <coordinate>
+                <latitude>32.317548</latitude>
+                <longitude>-64.835022</longitude>
+            </coordinate>
+            <coordinate>
+                <latitude>32.304273</latitude>
+                <longitude>-64.822834</longitude>
+            </coordinate>
+            <coordinate>
+                <latitude>32.279097</latitude>
+                <longitude>-64.841545</longitude>
+            </coordinate>
+            <coordinate>
+                <latitude>32.279604</latitude>
+                <longitude>-64.849871</longitude>
+            </coordinate>
+            <coordinate>
+                <latitude>32.289545</latitude>
+                <longitude>-64.854162</longitude>
+            </coordinate>
+            <coordinate>
+                <latitude>32.290198</latitude>
+                <longitude>-64.858711</longitude>
+            </coordinate>
+            <coordinate>
+                <latitude>32.297164</latitude>
+                <longitude>-64.856394</longitude>
+            </coordinate>
+            <coordinate>
+                <latitude>32.296148</latitude>
+                <longitude>-64.849184</longitude>
             </coordinate>
         </boundaries>
         <marker>