--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/sinfo/common/TkhProcessor.java	Wed Feb 28 18:55:39 2018 +0100
@@ -0,0 +1,87 @@
+/* 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.HashSet;
+import java.util.Set;
+
+import org.dive4elements.artifactdatabase.state.ArtifactAndFacet;
+import org.dive4elements.artifactdatabase.state.Facet;
+import org.dive4elements.artifacts.CallContext;
+import org.dive4elements.river.artifacts.resources.Resources;
+import org.dive4elements.river.artifacts.states.DefaultState.ComputeType;
+import org.dive4elements.river.exports.DiagramGenerator;
+import org.dive4elements.river.exports.StyledSeriesBuilder;
+import org.dive4elements.river.jfree.StyledAreaSeriesCollection;
+import org.dive4elements.river.jfree.StyledXYSeries;
+import org.dive4elements.river.themes.ThemeDocument;
+
+public final class TkhProcessor extends AbstractSInfoProcessor {
+
+    public static String FACET_TKH = "sinfo_flow_depth.tkh";
+
+    public static final String I18N_FACET_TKH_DESCRIPTION = "sinfo.facet.tkh.description";
+
+    public static final String SINFO_CHART_TKX_YAXIS_LABEL = "sinfo.chart.tkh.yaxis.label";
+
+    private static final Set<String> HANDLED_FACET_TYPES = new HashSet<>();
+
+    static {
+        HANDLED_FACET_TYPES.add(FACET_TKH);
+    }
+
+    private static final String I18N_AXIS_LABEL = "sinfo.chart.tkh.section.yaxis.label";
+
+    public TkhProcessor() {
+        super(I18N_AXIS_LABEL, HANDLED_FACET_TYPES);
+    }
+
+    @Override
+    protected String generateSeries(final DiagramGenerator generator, final ArtifactAndFacet bundle, final ThemeDocument theme, final boolean visible) {
+        final CallContext context = generator.getCallContext();
+
+        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 StyledXYSeries seriesUp = new StyledXYSeries(bundle.getFacetDescription(), theme);
+        final double[][] pointsUp = data.getTkhUpPoints();
+        StyledSeriesBuilder.addPoints(seriesUp, pointsUp, true);
+
+        // REMARK: we add " " because the description is misused as id, which must be unique.
+        final StyledXYSeries seriesDown = new StyledXYSeries(bundle.getFacetDescription() + " ", theme);
+        final double[][] pointsDown = data.getTkhDownPoints();
+        StyledSeriesBuilder.addPoints(seriesDown, pointsDown, true);
+
+        final StyledAreaSeriesCollection area = new StyledAreaSeriesCollection(theme);
+        area.setMode(StyledAreaSeriesCollection.FILL_MODE.BETWEEN);
+        area.addSeries(seriesUp);
+        area.addSeries(seriesDown);
+
+        generator.addAreaSeries(area, getAxisName(), visible);
+
+        return null;
+    }
+
+    public static Facet createTkhFacet(final CallContext context, final String hash, final String id, final AbstractSInfoCalculationResult<?> result,
+            final int index) {
+
+        final String facetTkhDescription = Resources.getMsg(context.getMeta(), I18N_FACET_TKH_DESCRIPTION, I18N_FACET_TKH_DESCRIPTION,
+                result.getLabel());
+        // FIXME: doe not work yet...
+        return new SInfoResultFacet(index, TkhProcessor.FACET_TKH, facetTkhDescription, TkhProcessor.SINFO_CHART_TKX_YAXIS_LABEL, ComputeType.ADVANCE, id,
+                hash);
+    }
+}
\ No newline at end of file