import java.awt.geom.Line2D;
public class AltosSiteMapTile extends JLayeredPane {
- int zoom;
- double scale_x, scale_y;
Point2D.Double coord_pt;
Point2D.Double last_pt;
- AltosSiteMapLabel mapLabel;
+ JLabel mapLabel;
JLabel draw;
Graphics2D g2d;
- int off_x;
- int off_y;
-
- static final int px_size = 512;
-
- private void loadMap() {
- Point2D.Double map_latlng = latlng(px_size/2, px_size/2);
- mapLabel.loadMap(map_latlng.x, map_latlng.y, zoom, px_size);
- }
-
- 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;
- }
-
- 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, 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 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;
-
- 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;
- }
-
- 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);
- }
- private Point2D.Double latlng(Point2D.Double pt, Point2D.Double centre) {
- double lat, lng;
- double rads;
-
- lng = (pt.x - centre.x)/scale_x;
- rads = 2 * Math.atan(Math.exp((pt.y-centre.y)/-scale_y));
- lat = Math.toDegrees(rads - Math.PI/2);
-
- return new Point2D.Double(lat,lng);
+ public void loadMap(ImageIcon icn) {
+ mapLabel.setIcon(icn);
}
static Color stateColors[] = {
boolean drawn_landed_circle = false;
boolean drawn_boost_circle = false;
- public void show(AltosState state, int crc_errors) {
- if (!state.gps_ready) {
- if (state.pad_lat == 0 && state.pad_lon == 0)
- return;
- if (state.ngps < 3)
- return;
- }
-
+ public void show(AltosState state, int crc_errors, Point2D.Double pt) {
if (last_pt == null) {
- setLocation(state.pad_lat, state.pad_lon);
- loadMap();
- last_pt = pt(state.pad_lat, state.pad_lon);
+ // setLocation(state.pad_lat, state.pad_lon);
+ // loadMap();
+ last_pt = pt;
}
- Point2D.Double pt = pt(state.gps.lat, state.gps.lon);
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));
}
+ int px_size = getWidth();
if (0 <= pt.x && pt.x < px_size) {
if (0 <= pt.y && pt.y < px_size) {
int dx = 500, dy = 250;
repaint();
}
- public static Graphics2D fillLabel(JLabel l, Color c) {
+ public static Graphics2D fillLabel(JLabel l, Color c, int px_size) {
BufferedImage img = new BufferedImage(px_size, px_size,
BufferedImage.TYPE_INT_ARGB);
Graphics2D g = img.createGraphics();
return g;
}
- public AltosSiteMapTile(int x_tile_offset, int y_tile_offset) {
+ public AltosSiteMapTile(int px_size) {
setPreferredSize(new Dimension(px_size, px_size));
- mapLabel = new AltosSiteMapLabel();
- fillLabel(mapLabel, Color.GRAY);
+ mapLabel = new JLabel();
+ fillLabel(mapLabel, Color.GRAY, px_size);
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));
+ g2d = fillLabel(draw, new Color(127, 127, 127, 0), px_size);
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