# HG changeset patch
# User Raimund Renkert <rrenkert@intevation.de>
# Date 1394111086 -3600
# Node ID 8b95f9c4f341a8397b4986879920001e870ec9be
# Parent  6ed8bc0c461cf8211910c0eae2057875c5ece3eb
Added new facet for filtered winfo differences.

diff -r 6ed8bc0c461c -r 8b95f9c4f341 artifacts/doc/conf/artifacts/minfo.xml
--- a/artifacts/doc/conf/artifacts/minfo.xml	Thu Mar 06 14:03:10 2014 +0100
+++ b/artifacts/doc/conf/artifacts/minfo.xml	Thu Mar 06 14:04:46 2014 +0100
@@ -246,6 +246,7 @@
                         <facet name="longitudinal_section.w"/>
                         <facet name="longitudinal_section.q"/>
                         <facet name="w_differences" description="facet.w_differences"/>
+                        <facet name="w_differences.filtered" description="facet.w_differences"/>
                         <facet name="other.wkms.interpol" description="Height over km, like flood protections."/>
                         <facet name="morph-width" description="morphologic width, not sounding width!"/>
                     </facets>
@@ -273,6 +274,7 @@
                         <facet name="longitudinal_section.w"/>
                         <facet name="longitudinal_section.q"/>
                         <facet name="w_differences" description="facet.w_differences"/>
+                        <facet name="w_differences.filtered" description="facet.w_differences"/>
                         <facet name="other.wkms.interpol" description="Height over km, like flood protections."/>
                         <facet name="morph-width" description="morphologic width, not sounding width!"/>
                     </facets>
@@ -530,6 +532,7 @@
                         <facet name="bedheight_difference.year.filtered" description="A facet for bed height differences"/>
                         <facet name="bedheight_difference.epoch" description="A facet for bed height differences"/>
                         <facet name="w_differences" description="facet.w_differences"/>
+                        <facet name="w_differences.filtered" description="facet.w_differences"/>
                         <facet name="longitudinal_section.annotations" description="facet.longitudinal_section.annotations"/>
                     </facets>
                 </outputmode>
diff -r 6ed8bc0c461c -r 8b95f9c4f341 artifacts/doc/conf/artifacts/winfo.xml
--- a/artifacts/doc/conf/artifacts/winfo.xml	Thu Mar 06 14:03:10 2014 +0100
+++ b/artifacts/doc/conf/artifacts/winfo.xml	Thu Mar 06 14:04:46 2014 +0100
@@ -264,6 +264,7 @@
                         <facet name="longitudinal_section.q" description="facet.longitudinal_section.q"/>
                         <facet name="longitudinal_section.w" description="facet.longitudinal_section.w"/>
                         <facet name="w_differences" description="facet.w_differences"/>
+                        <facet name="w_differences.filtered" description="facet.w_differences"/>
                         <facet name="other.wkms" description="facet.other.wkms"/>
                         <facet name="other.wqkms" description="facet.other.wqkms"/>
                         <facet name="other.wqkms.w"          description="W-Type of data" />
@@ -371,6 +372,7 @@
                     <facet name="longitudinal_section.w" description="facet.longitudinal_section.w"/>
                     <facet name="longitudinal_section.q" description="facet.longitudinal_section.q"/>
                     <facet name="w_differences"          description="facet.w_differences"/>
+                    <facet name="w_differences.filtered" description="facet.w_differences"/>
                     <facet name="other.wqkms.w"          description="W-Type of data" />
                     <facet name="other.wq"               description="WQ-Type of data" />
                     <facet name="other.wqkms.q"          description="Q-Type of data" />
@@ -693,6 +695,7 @@
                     <facet name="longitudinal_section.w" description="facet.longitudinal_section.w"/>
                     <facet name="longitudinal_section.q" description="facet.longitudinal_section.q"/>
                     <facet name="w_differences"          description="facet.w_differences"/>
+                    <facet name="w_differences.filtered" description="facet.w_differences"/>
                     <facet name="other.wqkms.w"          description="W-Type of data" />
                     <facet name="other.wq"               description="WQ-Type of data" />
                     <facet name="other.wqkms.q"          description="Q-Type of data" />
diff -r 6ed8bc0c461c -r 8b95f9c4f341 artifacts/src/main/java/org/dive4elements/river/artifacts/model/DifferenceCurveFilterFacet.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/model/DifferenceCurveFilterFacet.java	Thu Mar 06 14:04:46 2014 +0100
@@ -0,0 +1,82 @@
+package org.dive4elements.river.artifacts.model;
+
+import org.apache.log4j.Logger;
+import org.dive4elements.artifactdatabase.state.Facet;
+import org.dive4elements.artifacts.Artifact;
+import org.dive4elements.artifacts.CallContext;
+import org.dive4elements.river.artifacts.D4EArtifact;
+import org.dive4elements.river.artifacts.WINFOArtifact;
+import org.dive4elements.river.artifacts.access.RiverAccess;
+import org.dive4elements.river.artifacts.context.RiverContext;
+import org.dive4elements.river.artifacts.math.MovingAverage;
+import org.dive4elements.river.artifacts.states.DefaultState.ComputeType;
+
+
+public class DifferenceCurveFilterFacet
+extends DifferenceCurveFacet
+{
+    private static Logger logger = Logger.getLogger(DifferenceCurveFacet.class);
+
+
+    public DifferenceCurveFilterFacet() {
+    }
+
+    public DifferenceCurveFilterFacet(
+        int         index,
+        String      name,
+        String      description,
+        ComputeType type,
+        String      stateID,
+        String      hash
+
+    ) {
+        super(index, name, description, type, stateID, hash);
+    }
+
+    /**
+     * Get difference curve data.
+     * @return a WKms at given index.
+     */
+    @Override
+    public Object getData(Artifact artifact, CallContext context) {
+        WKms result = (WKms)super.getData(artifact, context);
+
+        Double start = (Double)context.getContextValue("startkm");
+        Double end = (Double)context.getContextValue("endkm");
+        if(start != null && end != null) {
+            RiverContext fc = (RiverContext)context.globalContext();
+            // Adaptive smoothing, based on zoom factor/diagram extents.
+            ZoomScale scales = (ZoomScale)fc.get("zoomscale");
+            RiverAccess access = new RiverAccess((D4EArtifact)artifact);
+            String river = access.getRiverName();
+
+            double radius = scales.getRadius(river, start, end);
+
+            double[][] oldData = new double[2][result.size()];
+            for (int i = 0; i < result.size(); i++) {
+                oldData[0][i] = result.getKm(i);
+                oldData[1][i] = result.getW(i);
+            }
+
+            double[][] diffs = MovingAverage.weighted(oldData, radius);
+            WKmsImpl newData = new WKmsImpl();
+            for(int j = 0; j < diffs[0].length; j++) {
+                newData.add(diffs[0][j], diffs[1][j]);
+            }
+            return newData;
+        }
+        return result;
+    }
+
+
+    /** Copy deeply. */
+    @Override
+    public Facet deepCopy() {
+        WaterlevelFacet copy = new DifferenceCurveFilterFacet();
+        copy.set(this);
+        copy.type    = type;
+        copy.stateId = stateId;
+        copy.hash    = hash;
+        return copy;
+    }
+}
diff -r 6ed8bc0c461c -r 8b95f9c4f341 artifacts/src/main/java/org/dive4elements/river/artifacts/model/FacetTypes.java
--- a/artifacts/src/main/java/org/dive4elements/river/artifacts/model/FacetTypes.java	Thu Mar 06 14:03:10 2014 +0100
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/model/FacetTypes.java	Thu Mar 06 14:04:46 2014 +0100
@@ -245,6 +245,7 @@
     String LONGITUDINAL_MANUALPOINTS = "longitudinal_section.manualpoints";
 
     String W_DIFFERENCES = "w_differences";
+    String W_DIFFERENCES_FILTERED = "w_differences.filtered";
 
     String COMPUTED_DISCHARGE_Q = "computed_discharge_curve.q";
     String COMPUTED_DISCHARGE_MAINVALUES_Q = "computed_discharge_curve.mainvalues.q";