--- a/artifacts/src/main/java/org/dive4elements/river/exports/ChartGenerator2.java	Thu Aug 07 17:26:18 2014 +0200
+++ b/artifacts/src/main/java/org/dive4elements/river/exports/ChartGenerator2.java	Thu Aug 07 19:56:15 2014 +0200
@@ -16,14 +16,11 @@
 import java.awt.Stroke;
 import java.awt.TexturePaint;
 import java.awt.Transparency;
-
 import java.awt.geom.Rectangle2D;
-
 import java.awt.image.BufferedImage;
-
 import java.io.IOException;
 import java.io.OutputStream;
-
+import java.text.NumberFormat;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Locale;
@@ -34,28 +31,19 @@
 import javax.xml.xpath.XPathConstants;
 
 import org.apache.log4j.Logger;
-
 import org.dive4elements.artifactdatabase.state.ArtifactAndFacet;
 import org.dive4elements.artifactdatabase.state.Settings;
-
 import org.dive4elements.artifacts.Artifact;
 import org.dive4elements.artifacts.ArtifactNamespaceContext;
 import org.dive4elements.artifacts.CallContext;
 import org.dive4elements.artifacts.CallMeta;
 import org.dive4elements.artifacts.PreferredLocale;
-
 import org.dive4elements.artifacts.common.utils.XMLUtils;
-
 import org.dive4elements.river.artifacts.D4EArtifact;
-
 import org.dive4elements.river.artifacts.access.RangeAccess;
-
 import org.dive4elements.river.artifacts.resources.Resources;
-
 import org.dive4elements.river.collections.D4EArtifactCollection;
-
 import org.dive4elements.river.java2d.NOPGraphics2D;
-
 import org.dive4elements.river.jfree.AxisDataset;
 import org.dive4elements.river.jfree.Bounds;
 import org.dive4elements.river.jfree.DoubleBounds;
@@ -65,35 +53,22 @@
 import org.dive4elements.river.jfree.Style;
 import org.dive4elements.river.jfree.StyledAreaSeriesCollection;
 import org.dive4elements.river.jfree.StyledSeries;
-
 import org.dive4elements.river.model.River;
-
 import org.dive4elements.river.themes.ThemeDocument;
-
 import org.dive4elements.river.utils.Formatter;
 import org.dive4elements.river.utils.RiverUtils;
-
 import org.jfree.chart.ChartRenderingInfo;
 import org.jfree.chart.JFreeChart;
 import org.jfree.chart.LegendItem;
 import org.jfree.chart.LegendItemCollection;
-
 import org.jfree.chart.axis.NumberAxis;
-
 import org.jfree.chart.plot.XYPlot;
-
 import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
-
 import org.jfree.chart.title.TextTitle;
-
 import org.jfree.data.Range;
-
 import org.jfree.data.general.Series;
-
 import org.jfree.data.xy.XYDataset;
-
 import org.jfree.ui.RectangleInsets;
-
 import org.w3c.dom.Document;
 import org.w3c.dom.Element;
 
@@ -475,7 +450,7 @@
     protected ChartSection buildChartSection() {
         ChartSection chartSection = new ChartSection();
         chartSection.setTitle(getChartTitle());
-        chartSection.setSubtitle(getChartSubtitle());
+        chartSection.setSubtitle(getChartSubtitlePure());
         chartSection.setDisplayGrid(isGridVisible());
         chartSection.setDisplayLogo(showLogo());
         chartSection.setLogoVPlacement(logoVPlace());
@@ -675,16 +650,10 @@
     }
 
     protected String interpolateVariables(String s) {
-
         Object radius = context.getContextValue("radius");
         if (radius instanceof Double) {
-            String txt = Resources.getMsg(
-                context.getMeta(),
-                I18N_SUBTITLE_RADIUS,
-                new Object[] { radius });
-
-            return s.replace("$RADIUS", txt);
-
+            NumberFormat f = Formatter.getCSVFormatter(context);
+            return s.replace("$RADIUS", f.format(radius));
         }
         return s;
     }
@@ -697,24 +666,24 @@
      *
      * @return the subtitle of a chart.
      */
-    protected String getChartSubtitle() {
+    protected String getChartSubtitlePure() {
         ChartSettings chartSettings = getChartSettings();
 
-        if (chartSettings != null) {
-            String subTitle = getChartSubtitle(chartSettings);
-            if (subTitle == null) {
-                return getDefaultChartSubtitle();
-            }
-            String defSubTitle = getDefaultChartSubtitle();
-            if (defSubTitle != null
-            && !defSubTitle.isEmpty()
-            && !subTitle.equals(defSubTitle)) {
-                return interpolateVariables(defSubTitle);
-            }
-            return subTitle;
+        String subTitle = chartSettings != null
+            ? getChartSubtitle(chartSettings)
+            : getDefaultChartSubtitle();
+
+        String defSubTitle = getDefaultChartSubtitle();
+
+        if (subTitle == null) {
+            subTitle = defSubTitle != null ? defSubTitle : "";
         }
 
-        return getDefaultChartSubtitle();
+        return subTitle;
+    }
+
+    protected String getChartSubtitle() {
+        return interpolateVariables(getChartSubtitlePure());
     }
 
 

--- a/artifacts/src/main/java/org/dive4elements/river/exports/process/WDiffProcessor.java	Thu Aug 07 17:26:18 2014 +0200
+++ b/artifacts/src/main/java/org/dive4elements/river/exports/process/WDiffProcessor.java	Thu Aug 07 19:56:15 2014 +0200
@@ -51,7 +51,7 @@
             generator.addSubtitle(Resources.getMsg(
                 context.getMeta(),
                 I18N_SUBTITLE_RADIUS,
-                new Object[] { radius }));
+                new Object[] { "$RADIUS" }));
         }
         super.doOut(generator, bundle, theme, visible);
     }