--- a/flys-artifacts/src/main/java/de/intevation/flys/artifacts/FLYSArtifact.java	Thu May 05 12:34:53 2011 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/FLYSArtifact.java	Fri May 06 14:19:27 2011 +0000
@@ -31,6 +31,7 @@
 import de.intevation.artifactdatabase.transition.TransitionEngine;
 
 import de.intevation.flys.model.Gauge;
+import de.intevation.flys.model.Range;
 import de.intevation.flys.model.River;
 
 import de.intevation.flys.artifacts.context.FLYSContext;
@@ -492,6 +493,34 @@
 
 
     /**
+     * This method returns the given distance 
+     *
+     * @return an array with lower and upper kilometer range for each
+     * intersected gauge.
+     */
+    public double[][] getSplittedDistance() {
+        double[]    dist   = getDistance();
+        List<Gauge> gauges = getGauges();
+
+        int num = gauges != null ? gauges.size() : 0;
+
+        double[][] res = new double[num][2];
+
+        for (int i = 0; i < num; i++) {
+            Range range = gauges.get(i).getRange();
+
+            double lower = range.getA().doubleValue();
+            double upper = range.getB().doubleValue();
+
+            res[i][0] = dist[0] < lower ? lower : dist[0];
+            res[i][1] = dist[1] > upper ? upper : dist[1];
+        }
+
+        return res;
+    }
+
+
+    /**
      * Returns the selected locations based on a given array of locations.
      *
      * @param locations The StateData that contains the locations.
@@ -546,9 +575,11 @@
     /**
      * Returns the selected Kms.
      *
+     * @param distance An 2dim array with [lower, upper] values.
+     *
      * @return the selected Kms.
      */
-    public double[] getKms() {
+    public double[] getKms(double[] distance) {
         StateData dStep = getData("ld_step");
 
         if (dStep == null) {
@@ -556,9 +587,7 @@
             return null;
         }
 
-        double   step     = Double.parseDouble((String) dStep.getValue());
-        double[] distance = getDistance();
-        double   lower    = distance[0];
+        double step = Double.parseDouble((String) dStep.getValue());
 
         // transform step from 'm' into 'km'
         step = step / 1000;
@@ -572,6 +601,17 @@
 
 
     /**
+     * Returns the selected Kms.
+     *
+     * @return the selected kms.
+     */
+    public double[] getKms() {
+        double[] distance = getDistance();
+        return getKms(distance);
+    }
+
+
+    /**
      * Returns the gauge based on the current distance and river.
      *
      * @return the gauge.
@@ -635,6 +675,56 @@
 
 
     /**
+     * Returns the Q values based on a specified kilometer range.
+     *
+     * @param range A 2dim array with lower and upper kilometer range.
+     *
+     * @return an array of Q values.
+     */
+    public double[] getQs(double[] range) {
+        StateData dMode   = getData("wq_mode");
+        StateData dValues = getData("wq_values");
+
+        String mode = dMode != null ? (String) dMode.getValue() : "";
+
+        // TODO REMOVE THIS HARD CODED MODE VALUE!
+        mode = "Q";
+
+        if (mode.equals("Q")) {
+            return getWQForDist(range);
+        }
+
+        logger.warn("You try to get Qs, but Ws has been inserted.");
+        return null;
+    }
+
+
+    /**
+     * Returns the W values based on a specified kilometer range.
+     *
+     * @param range A 2dim array with lower and upper kilometer range.
+     *
+     * @return an array of W values.
+     */
+    public double[] getWs(double[] range) {
+        StateData dMode   = getData("wq_mode");
+        StateData dValues = getData("wq_values");
+
+        String mode = dMode != null ? (String) dMode.getValue() : "";
+
+        // TODO REMOVE THIS HARD CODED MODE VALUE!
+        mode = "W";
+
+        if (mode.equals("W")) {
+            return getWQForDist(range);
+        }
+
+        logger.warn("You try to get Ws, but Qs has been inserted.");
+        return null;
+    }
+
+
+    /**
      * This method returns the W values.
      *
      * @return the selected W values or null, if no W values are selected.
@@ -682,7 +772,6 @@
 
         for (int i = 0; i < ws.length; i++) {
             qs[i] = dt.getQForW(values, ws[i]);
-            logger.debug("Q for " + ws[i] + " = " + qs[i]);
         }
 
         return qs;
@@ -690,6 +779,57 @@
 
 
     /**
+     * This method returns the given W or Q values for a specific range
+     * (inserted in the WQ input panel for discharge longitudinal sections).
+     *
+     * @param dist A 2dim array with lower und upper kilometer values.
+     *
+     * @return an array of W or Q values.
+     */
+    protected double[] getWQForDist(double[] dist) {
+        logger.debug("Search wq values for range: " + dist[0] + " - " + dist[1]);
+        StateData data = getData("wq_values");
+
+        if (data == null) {
+            logger.warn("Missing wq values!");
+            return null;
+        }
+
+        String dataString = (String) data.getValue();
+        String[]   ranges = dataString.split(":");
+
+        for (String range: ranges) {
+            String[] parts = range.split(";");
+
+            double lower = Double.parseDouble(parts[0]);
+            double upper = Double.parseDouble(parts[1]);
+
+            if (lower <= dist[0] && upper >= dist[1]) {
+                String[] values = parts[2].split(",");
+
+                int      num = values.length;
+                double[] res = new double[num];
+
+                for (int i = 0; i < num; i++) {
+                    try {
+                        res[i] = Double.parseDouble(values[i]);
+                    }
+                    catch (NumberFormatException nfe) {
+                        logger.warn(nfe, nfe);
+                    }
+                }
+
+                return res;
+            }
+        }
+
+        logger.warn("Specified range for WQ not found!");
+
+        return null;
+    }
+
+
+    /**
      * This method returns an array of inserted WQ triples that consist of from,
      * to and the step width.
      *