# HG changeset patch
# User Felix Wolfsteller <felix.wolfsteller@intevation.de>
# Date 1326452921 0
# Node ID 7c5bcb0e03e1746248318f73f76d635c9e9d8abd
# Parent  60e3bf470c5ba8c89cac9ea81983e8fe993deffc
Prevent range collapsing when negative values are given.

flys-artifacts/trunk@3673 c6561f87-3c4e-4783-a992-168aeb5c3f6f

diff -r 60e3bf470c5b -r 7c5bcb0e03e1 flys-artifacts/ChangeLog
--- a/flys-artifacts/ChangeLog	Thu Jan 12 16:59:52 2012 +0000
+++ b/flys-artifacts/ChangeLog	Fri Jan 13 11:08:41 2012 +0000
@@ -1,3 +1,8 @@
+2011-01-13	Felix Wolfsteller	<felix.wolfsteller@intevation.de>
+
+	* src/main/java/de/intevation/flys/exports/XYChartGenerator.java:
+	  (expandRange): Prevent collapse due to negative values.
+
 2012-01-12  Raimund Renkert <raimund.renkert@intevation.de>
 
 	* doc/conf/artifacts/map.xml,
diff -r 60e3bf470c5b -r 7c5bcb0e03e1 flys-artifacts/src/main/java/de/intevation/flys/exports/XYChartGenerator.java
--- a/flys-artifacts/src/main/java/de/intevation/flys/exports/XYChartGenerator.java	Thu Jan 12 16:59:52 2012 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/exports/XYChartGenerator.java	Fri Jan 13 11:08:41 2012 +0000
@@ -800,7 +800,7 @@
         }
 
         double value  = range.getLowerBound();
-        double expand = value / 100 * percent;
+        double expand = Math.abs(value / 100 * percent);
 
         return expand != 0
             ? new Range(value-expand, value+expand)