diff options
| -rw-r--r-- | ao-tools/altosui/AltosGreatCircle.java | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/ao-tools/altosui/AltosGreatCircle.java b/ao-tools/altosui/AltosGreatCircle.java index 878da03e..07c02c16 100644 --- a/ao-tools/altosui/AltosGreatCircle.java +++ b/ao-tools/altosui/AltosGreatCircle.java @@ -17,6 +17,8 @@ package altosui; +import altosui.AltosGPS; + import java.lang.Math; public class AltosGreatCircle { @@ -28,8 +30,8 @@ public class AltosGreatCircle { static final double rad = Math.PI / 180; static final double earth_radius = 6371.2 * 1000; /* in meters */ - AltosGreatCircle (double start_lat, double start_lon, - double end_lat, double end_lon) + public AltosGreatCircle (double start_lat, double start_lon, + double end_lat, double end_lon) { double lat1 = rad * start_lat; double lon1 = rad * -start_lon; @@ -63,4 +65,13 @@ public class AltosGreatCircle { 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; + } } |