X-Git-Url: https://git.gag.com/?a=blobdiff_plain;ds=sidebyside;f=altosui%2FAltosGreatCircle.java;fp=altosui%2FAltosGreatCircle.java;h=0000000000000000000000000000000000000000;hb=18914b9a84bbd8c4364a1568bb07dcc2b04ad7ba;hp=e4af3c189e2276f342177f445d24baa2ef4dbd24;hpb=027863b737190bccc3b5cd032d77587396d0c5c4;p=fw%2Faltos

diff --git a/altosui/AltosGreatCircle.java b/altosui/AltosGreatCircle.java
deleted file mode 100644
index e4af3c18..00000000
--- a/altosui/AltosGreatCircle.java
+++ /dev/null
@@ -1,101 +0,0 @@
-/*
- * Copyright © 2010 Keith Packard <keithp@keithp.com>
- *
- * 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.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
- */
-
-package altosui;
-
-import java.lang.Math;
-import org.altusmetrum.AltosLib.*;
-
-public class AltosGreatCircle {
-	double	distance;
-	double	bearing;
-
-	double sqr(double a) { return a * a; }
-
-	static final double rad = Math.PI / 180;
-	static final double earth_radius = 6371.2 * 1000;	/* in meters */
-
-    static int BEARING_LONG = 0;
-    static int BEARING_SHORT = 1;
-    static int BEARING_VOICE = 2;
-    String bearing_words(int length) {
-        String [][] bearing_string = {
-          {
-            "North", "North North East", "North East", "East North East",
-            "East", "East South East", "South East", "South South East",
-            "South", "South South West", "South West", "West South West",
-            "West", "West North West", "North West", "North North West"
-          }, {
-            "N", "NNE", "NE", "ENE",
-            "E", "ESE", "SE", "SSE",
-            "S", "SSW", "SW", "WSW",
-            "W", "WNW", "NW", "NNW"
-          }, {
-            "north", "nor nor east", "north east", "east nor east",
-            "east", "east sow east", "south east", "sow sow east",
-            "south", "sow sow west", "south west", "west sow west",
-            "west", "west nor west", "north west", "nor nor west "
-          }
-        };
-        return bearing_string[length][(int)((bearing / 90 * 8 + 1) / 2)%16];
-    }
-
-	public AltosGreatCircle (double start_lat, double start_lon,
-				 double end_lat, double end_lon)
-	{
-		double lat1 = rad * start_lat;
-		double lon1 = rad * -start_lon;
-		double lat2 = rad * end_lat;
-		double lon2 = rad * -end_lon;
-
-		double d_lon = lon2 - lon1;
-
-		/* From http://en.wikipedia.org/wiki/Great-circle_distance */
-		double vdn = Math.sqrt(sqr(Math.cos(lat2) * Math.sin(d_lon)) +
-				       sqr(Math.cos(lat1) * Math.sin(lat2) -
-					   Math.sin(lat1) * Math.cos(lat2) * Math.cos(d_lon)));
-		double vdd = Math.sin(lat1) * Math.sin(lat2) + Math.cos(lat1) * Math.cos(lat2) * Math.cos(d_lon);
-		double d = Math.atan2(vdn,vdd);
-		double course;
-
-		if (Math.cos(lat1) < 1e-20) {
-			if (lat1 > 0)
-				course = Math.PI;
-			else
-				course = -Math.PI;
-		} else {
-			if (d < 1e-10)
-				course = 0;
-			else
-				course = Math.acos((Math.sin(lat2)-Math.sin(lat1)*Math.cos(d)) /
-						   (Math.sin(d)*Math.cos(lat1)));
-			if (Math.sin(lon2-lon1) > 0)
-				course = 2 * Math.PI-course;
-		}
-		distance = d * earth_radius;
-		bearing = course * 180/Math.PI;
-	}
-
-	public AltosGreatCircle(AltosGPS start, AltosGPS end) {
-		this(start.lat, start.lon, end.lat, end.lon);
-	}
-
-	public AltosGreatCircle() {
-		distance = 0;
-		bearing = 0;
-	}
-}