# HG changeset patch
# User Felix Wolfsteller <felix.wolfsteller@intevation.de>
# Date 1381217169 -7200
# Node ID 0e6b399e72f9a89acfb3a8034784d2a8f43f4e99
# Parent  88b70c788b0f4614da6cd1f778fc574fff4d3649
issue1490: Translate text annotations position when displaying w/q- curve at gauge.

diff -r 88b70c788b0f -r 0e6b399e72f9 artifacts/src/main/java/org/dive4elements/river/exports/fixings/FixWQCurveGenerator.java
--- a/artifacts/src/main/java/org/dive4elements/river/exports/fixings/FixWQCurveGenerator.java	Tue Oct 08 09:00:45 2013 +0200
+++ b/artifacts/src/main/java/org/dive4elements/river/exports/fixings/FixWQCurveGenerator.java	Tue Oct 08 09:26:09 2013 +0200
@@ -319,20 +319,28 @@
         DateFormat dateFormat = DateFormat.getDateInstance(
                 DateFormat.SHORT);
 
-        series.add(qwd.getQ(), qwd.getW(), false);
+        double gaugeDatum = getCurrentGaugeDatum();
+        double factor = (gaugeDatum == 0d) ? 1d : 100d;
 
+        series.add(qwd.getQ(), factor*(qwd.getW()-gaugeDatum), false);
         XYTextAnnotation anno = new CollisionFreeXYTextAnnotation(
                 dateFormat.format(qwd.getDate()),
                 qwd.getQ(),
-                qwd.getW());
+                factor*(qwd.getW()-gaugeDatum));
         textAnnos.add(anno);
 
-        addAxisSeries(series, YAXIS.W.idx, visible);
         if(visible && doc.parseShowPointLabel()) {
             RiverAnnotation flysAnno = new RiverAnnotation(null, null, null, doc);
             flysAnno.setTextAnnotations(textAnnos);
             addAnnotations(flysAnno);
         }
+
+        if (gaugeDatum == 0d) {
+            addAxisSeries(series, YAXIS.W.idx, visible);
+        }
+        else {
+            addAxisSeries(series, YAXIS.WCm.idx, visible);
+        }
     }
 
 
@@ -568,8 +576,22 @@
         }
 
         XYSeries series = new StyledXYSeries(description, theme);
-        StyledSeriesBuilder.addPointsQW(series, wqkms);
-        addAxisSeries(series, YAXIS.W.idx, visible);
+
+        double gaugeDatum = getCurrentGaugeDatum();
+
+        if (true || gaugeDatum == 0d) {
+            StyledSeriesBuilder.addPointsQW(series, wqkms);
+            addAxisSeries(series, YAXIS.W.idx, visible);
+        }
+        else {
+            XYSeries series2 = new StyledXYSeries(description, theme);
+            StyledSeriesBuilder.addPointsQW(series2, wqkms);
+            addAxisSeries(series2, YAXIS.W.idx, false);
+
+            // Use second axis...
+            StyledSeriesBuilder.addPointsQW(series, wqkms, -gaugeDatum, 100d);
+            addAxisSeries(series, YAXIS.WCm.idx, visible);
+        }
     }