*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
-package org.altusmetrum.altoslib_6;
+package org.altusmetrum.altoslib_14;
import java.io.*;
import java.lang.Math;
import java.util.*;
import java.util.concurrent.*;
-class PathPoint {
- AltosLatLon lat_lon;
- int state;
-
- public PathPoint(AltosLatLon lat_lon, int state) {
- this.lat_lon = lat_lon;
- this.state = state;
- }
-
- public boolean equals(PathPoint other) {
- if (other == null)
- return false;
-
- return lat_lon.equals(other.lat_lon) && state == other.state;
- }
-}
-
public abstract class AltosMapPath {
- LinkedList<PathPoint> points = new LinkedList<PathPoint>();
- PathPoint last_point = null;
+ public LinkedList<AltosMapPathPoint> points = new LinkedList<AltosMapPathPoint>();
+ public AltosMapPathPoint last_point = null;
static public int stroke_width = 6;
public abstract void paint(AltosMapTransform t);
- public AltosMapRectangle add(double lat, double lon, int state) {
- PathPoint point = new PathPoint(new AltosLatLon (lat, lon), state);
+ public AltosMapRectangle add(AltosGPS gps, double time, int state, double gps_height) {
+ AltosMapPathPoint point = new AltosMapPathPoint(gps, time, state, gps_height);
AltosMapRectangle rect = null;
if (!point.equals(last_point)) {
if (last_point != null)
- rect = new AltosMapRectangle(last_point.lat_lon, point.lat_lon);
+ rect = new AltosMapRectangle(last_point.gps.lat_lon(), point.gps.lat_lon());
points.add (point);
last_point = point;
}
return rect;
}
+ private double dist(AltosLatLon lat_lon, AltosMapPathPoint point) {
+ return (new AltosGreatCircle(lat_lon.lat,
+ lat_lon.lon,
+ point.gps.lat,
+ point.gps.lon)).distance;
+ }
+
+ public AltosMapPathPoint nearest(AltosLatLon lat_lon) {
+ AltosMapPathPoint nearest = null;
+ double nearest_dist = 0;
+ for (AltosMapPathPoint point : points) {
+ if (nearest == null) {
+ nearest = point;
+ nearest_dist = dist(lat_lon, point);
+ } else {
+ double d = dist(lat_lon, point);
+ if (d < nearest_dist) {
+ nearest = point;
+ nearest_dist = d;
+ }
+ }
+ }
+ return nearest;
+ }
+
public void clear () {
- points = new LinkedList<PathPoint>();
+ points = new LinkedList<AltosMapPathPoint>();
}
}