altoslib: Clean up map tile removal

Remove them while walking the hash table, rather than creating a list
to remove.

Signed-off-by: Keith Packard <keithp@keithp.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/altoslib/AltosMapTransform.java b/altoslib/AltosMapTransform.java
index e0e8afb0..30994ecb 100644
--- a/altoslib/AltosMapTransform.java
+++ b/altoslib/AltosMapTransform.java
@@ -39,6 +39,10 @@ public class AltosMapTransform {
 		return new AltosLatLon(lat,lon);
 	}
 
+	public AltosLatLon lat_lon (AltosPointInt point) {
+		return lat_lon(new AltosPointDouble(point.x, point.y));
+	}
+
 	public AltosPointDouble screen_point(AltosPointInt screen) {
 		return new AltosPointDouble(screen.x + offset_x, screen.y + offset_y);
 	}