import java.awt.geom.Point2D;
import java.awt.geom.Line2D;
-public class AltosSiteMapTile extends JLabel {
- double lat, lng;
+public class AltosSiteMapTile extends JLayeredPane {
int zoom;
double scale_x, scale_y;
Point2D.Double coord_pt;
Point2D.Double last_pt;
+ JLabel mapLabel;
+ JLabel draw;
Graphics2D g2d;
int off_x;
int off_y;
- int px_size = 512;
+ static final int px_size = 512;
- private boolean setLocation(double new_lat, double new_lng) {
- int new_zoom = 16;
- 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 = px_size/2-coord_pt.x - off_x * px_size;
- coord_pt.y = px_size/2-coord_pt.y - off_y * px_size;
- last_pt = null;
-
- Point2D.Double map_latlng;
- map_latlng = latlng(new Point2D.Double(px_size/2, px_size/2));
-
- BufferedImage myPicture;
+ private void loadMap() {
+ Point2D.Double map_latlng = latlng(px_size/2, px_size/2);
File pngfile = new File(AltosPreferences.logdir(),
FileCoord(map_latlng, zoom));
try {
- myPicture = ImageIO.read(pngfile);
- System.out.printf("# Found file %s\n", pngfile);
+ mapLabel.setIcon(new ImageIcon(ImageIO.read(pngfile)));
} catch (Exception e) {
// throw new RuntimeException(e);
System.out.printf("# Failed to find file %s\n", pngfile);
System.out.printf(" wget -O '%s' 'http://maps.google.com/maps/api/staticmap?center=%.6f,%.6f&zoom=%d&size=%dx%d&sensor=false&maptype=hybrid&format=png32'\n", pngfile, map_latlng.x, map_latlng.y, zoom, px_size, px_size);
- myPicture = new BufferedImage(px_size, px_size,
- BufferedImage.TYPE_INT_RGB);
}
- setIcon(new ImageIcon( myPicture ));
- g2d = myPicture.createGraphics();
+ }
+
+ private boolean setLocation(double lat, double lng) {
+ Point2D.Double north_step;
+ double step_nm = 0.5;
+ for (zoom = 3; zoom < 22; zoom++) {
+ coord_pt = pt(lat, lng, new Point2D.Double(0,0), zoom);
+ north_step = pt(lat+step_nm/60.0, lng,
+ new Point2D.Double(0,0), zoom);
+ if (coord_pt.y - north_step.y > px_size/2)
+ break;
+ }
+ coord_pt.x = -px_size * Math.floor(coord_pt.x/px_size + off_x);
+ coord_pt.y = -px_size * Math.floor(coord_pt.y/px_size + off_y);
+
+ scale_x = 256/360.0 * Math.pow(2, zoom);
+ scale_y = 256/(2.0*Math.PI) * Math.pow(2, zoom);
+
+ last_pt = null;
+
return true;
}
char chlng = lng < 0 ? 'E' : 'W';
if (lat < 0) lat = -lat;
if (lng < 0) lng = -lng;
- return String.format("map-%c%.3f,%c%.3f-%d.png",
+ return String.format("map-%c%.6f,%c%.6f-%d.png",
chlat, lat, chlng, lng, zoom);
}
// 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);
+ return pt(lat, lng, coord_pt, scale_x, scale_y);
+ }
+
+ private static Point2D.Double pt(double lat, double lng,
+ Point2D.Double centre, int zoom)
+ {
+ double scale_x = 256/360.0 * Math.pow(2, zoom);
+ double scale_y = 256/(2.0*Math.PI) * Math.pow(2, zoom);
+ return pt(lat, lng, centre, scale_x, scale_y);
}
- private Point2D.Double pt(double lat, double lng, Point2D.Double centre) {
+ private static Point2D.Double pt(double lat, double lng,
+ Point2D.Double centre, double scale_x, double scale_y)
+ {
Point2D.Double res = new Point2D.Double();
double e;
return res;
}
+ private Point2D.Double latlng(double x, double y) {
+ return latlng(new Point2D.Double(x,y), coord_pt);
+ }
private Point2D.Double latlng(Point2D.Double pt) {
return latlng(pt, coord_pt);
}
};
boolean drawn_landed_circle = false;
- boolean nomaps = false;
public void show(AltosState state, int crc_errors) {
- if (nomaps)
- return;
- if (!state.gps_ready && state.pad_lat == 0 && state.pad_lon == 0)
- return;
- double plat = (int)(state.pad_lat*200)/200.0;
- double plon = (int)(state.pad_lon*200)/200.0;
+ if (!state.gps_ready) {
+ if (state.pad_lat == 0 && state.pad_lon == 0)
+ return;
+ if (state.ngps < 3)
+ return;
+ }
if (last_pt == null) {
- if (!setLocation(plat, plon)) {
- nomaps = true;
- return;
- }
+ setLocation(state.pad_lat, state.pad_lon);
+ loadMap();
+ last_pt = pt;
}
Point2D.Double pt = pt(state.gps.lat, state.gps.lon);
- if (last_pt != null && pt != last_pt) {
+ if (pt != last_pt) {
if (0 <= state.state && state.state < stateColors.length) {
g2d.setColor(stateColors[state.state]);
}
g2d.draw(new Line2D.Double(last_pt, pt));
}
+ if (0 <= pt.x && pt.x < px_size) {
+ if (0 <= pt.y && pt.y < px_size) {
+ int dx = 500, dy = 250;
+ if (state.state > 2) {
+ dx = Math.min(200, 20 + (int) Math.abs(last_pt.x - pt.x));
+ dy = Math.min(100, 10 + (int) Math.abs(last_pt.y - pt.y));
+ }
+ Rectangle r = new Rectangle((int)pt.x-dx, (int)pt.y-dy,
+ dx*2, dy*2);
+ scrollRectToVisible(r);
+ }
+ }
+
if (state.state == 8 && !drawn_landed_circle) {
drawn_landed_circle = true;
g2d.setColor(Color.RED);
last_pt = pt;
repaint();
}
-
+
+ public static Graphics2D fillLabel(JLabel l, Color c) {
+ BufferedImage img = new BufferedImage(px_size, px_size,
+ BufferedImage.TYPE_INT_ARGB);
+ Graphics2D g = img.createGraphics();
+ g.setColor(c);
+ g.fillRect(0, 0, px_size, px_size);
+ l.setIcon(new ImageIcon(img));
+ return g;
+ }
+
public AltosSiteMapTile(int x_tile_offset, int y_tile_offset) {
+ setPreferredSize(new Dimension(px_size, px_size));
+
+ mapLabel = new JLabel();
+ fillLabel(mapLabel, Color.GRAY);
+ mapLabel.setOpaque(true);
+ mapLabel.setBounds(0, 0, px_size, px_size);
+ add(mapLabel, new Integer(0));
+
+ draw = new JLabel();
+ g2d = fillLabel(draw, new Color(127, 127, 127, 0));
+ draw.setBounds(0, 0, px_size, px_size);
+ draw.setOpaque(false);
+
+ add(draw, new Integer(1));
+
off_x = x_tile_offset;
off_y = y_tile_offset;
}
projects / fw / altos / blobdiff