--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/sinfo/common/AbstractSInfoLineProcessor.java	Tue Mar 06 18:51:18 2018 +0100
@@ -0,0 +1,99 @@
+/* Copyright (C) 2017 by Bundesanstalt für Gewässerkunde
+ * Software engineering by
+ *  Björnsen Beratende Ingenieure GmbH
+ *  Dr. Schumacher Ingenieurbüro für Wasser und Umwelt
+ *
+ * This file is Free Software under the GNU AGPL (>=v3)
+ * and comes with ABSOLUTELY NO WARRANTY! Check out the
+ * documentation coming with Dive4Elements River for details.
+ */
+
+package org.dive4elements.river.artifacts.sinfo.common;
+
+import java.util.Map;
+import java.util.Set;
+
+import org.dive4elements.artifactdatabase.state.ArtifactAndFacet;
+import org.dive4elements.artifacts.Artifact;
+import org.dive4elements.artifacts.CallContext;
+import org.dive4elements.river.artifacts.D4EArtifact;
+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.model.ZoomScale;
+import org.dive4elements.river.exports.DiagramGenerator;
+import org.dive4elements.river.exports.StyledSeriesBuilder;
+import org.dive4elements.river.jfree.StyledXYSeries;
+import org.dive4elements.river.themes.ThemeDocument;
+
+abstract class AbstractSInfoLineProcessor extends AbstractSInfoProcessor {
+
+    public AbstractSInfoLineProcessor(final String i18nAxisLabel, final Set<String> handledFacetType) {
+        super(i18nAxisLabel, handledFacetType);
+    }
+
+    @Override
+    protected final String generateSeries(final DiagramGenerator generator, final ArtifactAndFacet bundle, final ThemeDocument theme, final boolean visible) {
+
+        final CallContext context = generator.getCallContext();
+        final Map<String, String> metaData = bundle.getFacet().getMetaData();
+
+        final Artifact artifact = bundle.getArtifact();
+
+        final StyledXYSeries series = new StyledXYSeries(bundle.getFacetDescription(), theme);
+        series.putMetaData(metaData, artifact, context);
+
+        final String facetName = bundle.getFacetName();
+        final AbstractSInfoCalculationResult<?> data = (AbstractSInfoCalculationResult<?>) bundle.getData(context);
+        if (data == null) {
+            // Check has been here before so we keep it for security reasons
+            // this should never happen though.
+            throw new IllegalStateException("Data is null for facet: " + facetName);
+        }
+
+        final double[][] points = generatePoints(context, artifact, data, facetName);
+
+        StyledSeriesBuilder.addPoints(series, points, true);
+        generator.addAxisSeries(series, getAxisName(), visible);
+
+        return metaData.get("Y");
+    }
+
+    private Double findRadius(final CallContext context, final Artifact artifact) {
+        final Double start = (Double) context.getContextValue("startkm");
+        final Double end = (Double) context.getContextValue("endkm");
+
+        if (start == null || end == null)
+            return null;
+
+        final RiverContext fc = (RiverContext) context.globalContext();
+        final ZoomScale scales = (ZoomScale) fc.get("zoomscale");
+        final RiverAccess access = new RiverAccess((D4EArtifact) artifact);
+        final String river = access.getRiverName();
+
+        return scales.getRadius(river, start, end);
+    }
+
+    private double[][] generatePoints(final CallContext context, final Artifact artifact, final AbstractSInfoCalculationResult<?> data,
+            final String facetName) {
+
+        final double[][] points = doGetPoints(data, facetName);
+        if( facetName.endsWith(".filtered"))
+        {
+            final Double radius = findRadius(context, artifact);
+            return movingAverage(radius, points);
+        }
+
+        return points;
+    }
+
+    protected abstract double[][] doGetPoints(AbstractSInfoCalculationResult<?> data, String facetName);
+
+    private double[][] movingAverage(final Double radius, final double[][] points) {
+
+        if (radius == null)
+            return points;
+
+        return MovingAverage.weighted(points, radius);
+    }
+}
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