--- a/artifacts/src/main/java/org/dive4elements/river/exports/InfoGeneratorHelper2.java	Fri Sep 05 12:54:58 2014 +0200
+++ b/artifacts/src/main/java/org/dive4elements/river/exports/InfoGeneratorHelper2.java	Fri Sep 05 12:58:17 2014 +0200
@@ -41,7 +41,7 @@
 public class InfoGeneratorHelper2 {
 
     /** Private logging instance. */
-    private static final Logger logger =
+    private static final Logger log =
         Logger.getLogger(InfoGeneratorHelper2.class);
 
     protected ChartGenerator2 generator;
@@ -62,7 +62,7 @@
         JFreeChart         chart,
         ChartRenderingInfo info)
     {
-        logger.debug("InfoGeneratorHelper.createInfoDocument");
+        log.debug("InfoGeneratorHelper.createInfoDocument");
 
         Document doc = XMLUtils.newDocument();
 
@@ -95,7 +95,7 @@
         ElementCreator     cr,
         JFreeChart         chart)
     {
-        logger.debug("InfoGeneratorHelper.createRangeElements");
+        log.debug("InfoGeneratorHelper.createRangeElements");
 
         Element axes = cr.create("axes");
 
@@ -118,7 +118,7 @@
             XYDataset data = plot.getDataset(i);
 
             if (axis == null || data == null) {
-                logger.warn("Axis or dataset is empty at pos: " + i);
+                log.warn("Axis or dataset is empty at pos: " + i);
                 continue;
             }
 
@@ -149,8 +149,8 @@
         String         type,
         int            pos)
     {
-        logger.debug("createAxisElement " + pos);
-        logger.debug("Axis is from type: " + axis.getClass());
+        log.debug("createAxisElement " + pos);
+        log.debug("Axis is from type: " + axis.getClass());
 
         Element e = cr.create(type);
         cr.addAttr(e, "pos",  String.valueOf(pos), true);
@@ -244,7 +244,7 @@
         JFreeChart         chart,
         ChartRenderingInfo info)
     {
-        logger.debug("InfoGeneratorHelper.createTransformationElements");
+        log.debug("InfoGeneratorHelper.createTransformationElements");
 
         Element tf = cr.create("transformation-matrix");
 
@@ -254,7 +254,7 @@
         ValueAxis xAxis = plot.getDomainAxis();
 
         if (xAxis == null) {
-            logger.error("There is no x axis in the chart!");
+            log.error("There is no x axis in the chart!");
             return null;
         }
 
@@ -262,7 +262,7 @@
             ValueAxis yAxis = plot.getRangeAxis(i);
 
             if (yAxis == null) {
-                logger.warn("No y axis at pos " + i + " existing.");
+                log.warn("No y axis at pos " + i + " existing.");
                 continue;
             }
 
@@ -338,7 +338,7 @@
         ValueAxis   xAxis,
         ValueAxis   yAxis)
     {
-        logger.debug("InfoGeneratorHelper.createTransformationMatrix");
+        log.debug("InfoGeneratorHelper.createTransformationMatrix");
 
         double offsetX = dataArea.getX();
         double width   = dataArea.getWidth();
@@ -354,7 +354,7 @@
         double upperY  = yRange.getUpperBound();
 
         if (xAxis.isInverted()) {
-            logger.info("X-Axis is inverted!");
+            log.info("X-Axis is inverted!");
 
             double tmp = upperX;
             upperX = lowerX;
@@ -386,7 +386,7 @@
         }
         catch (NoninvertibleTransformException e) {
             // do nothing
-            logger.warn("Matrix is not invertible.");
+            log.warn("Matrix is not invertible.");
         }
 
         return new double[] { 1d, 1d, 0d, 0d };