import java.util.*;
import java.util.concurrent.*;
-import org.altusmetrum.altoslib_13.*;
+import org.altusmetrum.altoslib_14.*;
public class AltosMapd implements AltosLaunchSiteListener {
public final static int scale = 1;
+ public static int max_zoom = 17;
+
public static double valid_radius = 17000; /* 17km */
public String map_dir = null;
public void usage() {
System.out.printf("usage: altos-mapd [--mapdir <map-directory] [--launch-sites <launch-sites-file>]\n" +
- " [--radius <valid-radius-m> [--port <port>] [--key <key-file>]\n");
+ " [--radius <valid-radius-m> [--port <port>] [--key <key-file>]\n" +
+ " [--max-zoom <max-zoom-level>\n");
System.exit(1);
}
}
}
- public static boolean check_lat_lon(double lat, double lon) {
+ private static boolean west_of(double a, double b) {
+ double diff = b - a;
+
+ while (diff >= 360.0)
+ diff -= 360.0;
+ while (diff <= -360.0)
+ diff += 360.0;
+
+ return diff >= 0;
+ }
+
+ public static boolean check_lat_lon(double lat, double lon, int zoom) {
+
+ if (zoom > max_zoom)
+ return false;
+
+ AltosMapTransform transform = new AltosMapTransform(px_size, px_size, zoom, new AltosLatLon(lat, lon));
+
+ AltosLatLon upper_left = transform.screen_lat_lon(new AltosPointInt(0, 0));
+ AltosLatLon lower_right = transform.screen_lat_lon(new AltosPointInt(px_size, px_size));
+
synchronized (launch_sites_ready) {
if (launch_sites == null) {
try {
}
for (AltosLaunchSite site : launch_sites) {
+
+ /* Figure out which point in the tile to
+ * measure to the site That's one of the edges
+ * or the site location depend on where the
+ * site is in relation to the tile
+ */
+
+ double check_lon;
+
+ if (west_of(site.longitude, upper_left.lon))
+ check_lon = upper_left.lon;
+ else if (west_of(lower_right.lon, site.longitude))
+ check_lon = lower_right.lon;
+ else
+ check_lon = site.longitude;
+
+ double check_lat;
+
+ if (site.latitude < lower_right.lat)
+ check_lat = lower_right.lat;
+ else if (upper_left.lat < site.latitude)
+ check_lat = upper_left.lat;
+ else
+ check_lat = site.latitude;
+
AltosGreatCircle gc = new AltosGreatCircle(site.latitude, site.longitude,
- lat, lon);
+ check_lat, check_lon);
+
if (gc.distance <= valid_radius)
return true;
}
} else if (args[i].equals("--key") && i < args.length-1) {
key_file = args[i+1];
skip = 2;
+ } else if (args[i].equals("--max-zoom") && i < args.length-1) {
+ try {
+ max_zoom = AltosParse.parse_int(args[i+1]);
+ } catch (ParseException pe) {
+ usage();
+ }
+ skip = 2;
} else {
usage();
}
System.out.printf("accept failed\n");
continue;
}
- System.out.printf("got client\n");
new AltosMapdClient(client);
} catch (Exception e) {
System.out.printf("Exception %s\n", e.toString());