--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-artifacts/src/main/java/org/dive4elements/river/artifacts/model/fixings/FixLongitudinalDeviationFacet.java	Thu Apr 25 12:06:39 2013 +0200
@@ -0,0 +1,118 @@
+package org.dive4elements.river.artifacts.model.fixings;
+
+import org.dive4elements.artifacts.Artifact;
+import org.dive4elements.artifacts.CallContext;
+
+import org.dive4elements.river.artifacts.FLYSArtifact;
+
+import org.dive4elements.river.artifacts.access.FixAnalysisAccess;
+
+import org.dive4elements.river.artifacts.model.CalculationResult;
+import org.dive4elements.river.artifacts.model.DataFacet;
+import org.dive4elements.river.artifacts.model.FacetTypes;
+import org.dive4elements.river.artifacts.model.Parameters;
+
+import org.dive4elements.river.artifacts.states.DefaultState.ComputeType;
+
+import org.dive4elements.river.utils.KMIndex;
+
+import org.apache.log4j.Logger;
+
+/**
+ * Facet to show average W values for Q sectors.
+ *
+ * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
+ */
+public class FixLongitudinalDeviationFacet
+extends      DataFacet
+implements   FacetTypes {
+
+    /** House logger. */
+    private static Logger logger = Logger.getLogger(FixLongitudinalDeviationFacet.class);
+
+    /** Trivial Constructor. */
+    public FixLongitudinalDeviationFacet() {
+    }
+
+
+    public FixLongitudinalDeviationFacet(
+        int ndx,
+        String name,
+        String description)
+    {
+        super(
+            ndx,
+            name,
+            description,
+            ComputeType.ADVANCE,
+            null,
+            null);
+    }
+
+
+    /**
+     * Returns the data this facet requires.
+     *
+     * @param artifact the owner artifact.
+     * @param context  the CallContext.
+     *
+     * @return the data as KMIndex.
+     */
+    @Override
+    public Object getData(Artifact artifact, CallContext context) {
+        logger.debug("FixLongitudinalDeviationFacet.getData");
+
+        if (artifact instanceof FLYSArtifact) {
+            FLYSArtifact flys = (FLYSArtifact)artifact;
+            FixAnalysisAccess access = new FixAnalysisAccess(flys, context);
+
+            CalculationResult res =
+                (CalculationResult) flys.compute(context,
+                                                 ComputeType.ADVANCE,
+                                                 false);
+
+            FixAnalysisResult result = (FixAnalysisResult) res.getData();
+
+            KMIndex<AnalysisPeriod []> kmPeriods = result.getAnalysisPeriods();
+
+            if (kmPeriods == null) {
+                logger.warn("No analysis periods found.");
+                return null;
+            }
+
+            Parameters params = result.getParameters();
+
+            KMIndex<double[]> kmIndex = new KMIndex<double[]>();
+            for (KMIndex.Entry<AnalysisPeriod[]> entry: kmPeriods) {
+                double km = entry.getKm();
+                double[] stdDev =
+                    params.interpolate("km", km, new String[] {"std-dev"});
+
+                if(stdDev == null) {
+                    logger.warn("getData: stdDev == null");
+                    continue;
+                }
+                kmIndex.add(km, stdDev);
+            }
+
+            return kmIndex;
+        }
+        else {
+            logger.warn("Artifact is no instance of FLYSArtifact.");
+            return null;
+        }
+    }
+
+
+    /**
+     * Create a deep copy of this Facet.
+     * @return a deep copy.
+     */
+    @Override
+    public FixLongitudinalDeviationFacet deepCopy() {
+        FixLongitudinalDeviationFacet copy = new FixLongitudinalDeviationFacet();
+        copy.set(this);
+        return copy;
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :