add RTree.size()

diff --git a/src/edu/berkeley/qfat/geom/RTree.java b/src/edu/berkeley/qfat/geom/RTree.java
index 57f20c8..967ab99 100644 (file)
--- a/src/edu/berkeley/qfat/geom/RTree.java
+++ b/src/edu/berkeley/qfat/geom/RTree.java
@@ -17,6 +17,8 @@ public class RTree<V extends HasBoundingBox> implements Iterable<V> {
 
     public Iterator<V> iterator() { return vToId.keySet().iterator(); }
 
+    public int size() { return vToId.size(); }
+
     private final MyIntProcedure myIntProcedure    = new MyIntProcedure();
     private final Rectangle rect = new Rectangle(0,0,0,0,0,0);
     private final com.infomatiq.jsi.Point point    = new com.infomatiq.jsi.Point(0,0,0);