import java.awt.geom.Line2D;
public class AltosSiteMap extends JComponent implements AltosFlightDisplay {
- double lat, lng;
- int zoom;
- double scale_x, scale_y;
- Point2D.Double coord_pt;
- Point2D.Double last_pt;
-
- Graphics2D g2d;
-
- private void setLocation(double new_lat, double new_lng, int new_zoom) {
- lat = new_lat;
- lng = new_lng;
- zoom = new_zoom;
- scale_x = 256/360.0 * Math.pow(2, zoom);
- scale_y = 256/(2.0*Math.PI) * Math.pow(2, zoom);
- coord_pt = pt(lat, lng, new Point2D.Double(0,0));
- coord_pt.x = 320-coord_pt.x;
- coord_pt.y = 320-coord_pt.y;
- last_pt = null;
+ public void reset() {
+ // nothing
}
-
- private static double limit(double v, double lo, double hi) {
- if (v < lo)
- return lo;
- if (hi < v)
- return hi;
- return v;
- }
-
- // based on google js
- // http://maps.gstatic.com/intl/en_us/mapfiles/api-3/2/10/main.js
- // search for fromLatLngToPoint and fromPointToLatLng
- private Point2D.Double pt(double lat, double lng) {
- return pt(lat, lng, coord_pt);
- }
-
- private Point2D.Double pt(double lat, double lng, Point2D.Double centre) {
- Point2D.Double res = new Point2D.Double();
- double e;
-
- res.x = centre.x + lng*scale_x;
- e = limit(Math.sin(Math.toRadians(lat)),-(1-1.0E-15),1-1.0E-15);
- res.y = centre.y + 0.5*Math.log((1+e)/(1-e))*-scale_y;
- return res;
+ public void show(AltosState state, int crc_errors) {
+ for (int x = 0; x < mapTiles.length; x++) {
+ mapTiles[x].show(state, crc_errors);
+ }
}
+
+ AltosSiteMapTile [] mapTiles = new AltosSiteMapTile[9];
-
- public void reset() {
- // ?
- }
-
- static Color stateColors[] = {
- Color.WHITE, // startup
- Color.WHITE, // idle
- Color.WHITE, // pad
- Color.RED, // boost
- Color.PINK, // fast
- Color.YELLOW, // coast
- Color.CYAN, // drogue
- Color.BLUE, // main
- Color.BLACK // landed
- };
-
- public void show(AltosState state, int crc_errors) {
- if (!state.gps_ready)
- return;
- Point2D.Double pt = pt(state.gps.lat, state.gps.lon);
- if (last_pt != null && pt != last_pt) {
- if (0 <= state.state && state.state < stateColors.length) {
- g2d.setColor(stateColors[state.state]);
- }
- g2d.draw(new Line2D.Double(last_pt, pt));
- }
- last_pt = pt;
- repaint();
- }
-
public AltosSiteMap() {
+
GridBagLayout layout = new GridBagLayout();
setLayout(layout);
GridBagConstraints c = new GridBagConstraints();
-
- setLocation(-27.850, 152.960, 15);
- String pngfile = "/home/aj/qrs-S27.850,W152.960-15.png";
-
- c.gridx = 0; c.gridy = 0;
- c.weightx = 1; c.weighty = 1;
c.anchor = GridBagConstraints.CENTER;
c.fill = GridBagConstraints.BOTH;
- try {
- BufferedImage myPicture = ImageIO.read(new File(pngfile));
- g2d = myPicture.createGraphics();
- JLabel picLabel = new JLabel(new ImageIcon( myPicture ));
- JScrollPane scrollPane = new JScrollPane(picLabel);
- layout.setConstraints(scrollPane, c);
- add(scrollPane);
- } catch (Exception e) {
- throw new RuntimeException(e);
- };
+ for (int x = 0; x < 9; x++) {
+ c.gridx = x % 3; c.gridy = x / 3;
+ mapTiles[x] = new AltosSiteMapTile((x%3)-1, (x/3)-1);
+ layout.setConstraints(mapTiles[x], c);
+ add(mapTiles[x]);
+ }
}
}