--- a/artifacts/src/main/java/org/dive4elements/river/artifacts/access/RangeAccess.java	Mon Mar 30 19:11:35 2015 +0200
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/access/RangeAccess.java	Mon Mar 30 19:27:11 2015 +0200
@@ -125,6 +125,16 @@
         return to != null || (to = getDouble("ld_to")) != null;
     }
 
+    /* If left_to_right is set to true this returns
+     * the smaller value of from and to. */
+    public double getFrom(boolean left_to_right) {
+        if (!left_to_right) {
+            return getFrom();
+        }
+        double from = getFrom();
+        double to = getTo();
+        return from > to ? to : from;
+    }
 
     /** Return ld_from data (in km). If not found, the min. */
     public double getFrom() {
@@ -144,6 +154,16 @@
         return from.doubleValue();
     }
 
+    /* If left_to_right is set to true this returns
+     * the larger value of from and to. */
+    public double getTo(boolean left_to_right) {
+        if (!left_to_right) {
+            return getTo();
+        }
+        double from = getFrom();
+        double to = getTo();
+        return from > to ? from : to;
+    }
 
     /** Return ld_to data (in km), if not found, the max. */
     public double getTo() {