--- a/flys-artifacts/src/main/java/de/intevation/flys/artifacts/FLYSArtifact.java	Thu May 26 15:55:48 2011 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/FLYSArtifact.java	Thu May 26 16:54:16 2011 +0000
@@ -1,5 +1,6 @@
 package de.intevation.flys.artifacts;
 
+import java.util.ArrayList;
 import java.util.Collection;
 import java.util.HashMap;
 import java.util.List;
@@ -773,6 +774,41 @@
         return qs;
     }
 
+    protected double [][] getRanges() {
+        logger.debug("getRanges");
+
+        StateData data = getData("wq_values");
+
+        if (data == null) {
+            logger.warn("Missing wq values!");
+            return new double [0][0];
+        }
+
+        String  dataString = (String)data.getValue();
+        String []   ranges = dataString.split(":");
+
+        ArrayList<double []> rs = new ArrayList<double []>();
+
+        for (String range: ranges) {
+            String [] parts = range.split(";");
+
+            if (parts.length < 2) {
+                logger.warn("invalid number of parts in range line");
+                continue;
+            }
+            try {
+                double from = Double.parseDouble(parts[0]);
+                double to   = Double.parseDouble(parts[1]);
+                rs.add(new double [] { from, to });
+            }
+            catch (NumberFormatException nfe) {
+                logger.warn("invalid double values in range line");
+            }
+        }
+
+        return rs.toArray(new double [rs.size()][]);
+    }
+
 
     /**
      * This method returns the given W or Q values for a specific range