Take the first element into account when calculating sums, close #1597

highcharts · Mar 22, 2013 · ff67616 · ff67616
1 parent 5d3048a
commit ff67616
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Showing 2 changed files with 10 additions and 8 deletions.
diff --git a/js/highcharts-more.src.js b/js/highcharts-more.src.js
@@ -1519,10 +1519,10 @@ seriesTypes.waterfall = extendClass(seriesTypes.column, {
 			points,
 			point,
 			shapeArgs,
-			sum = 0,
-			sumStart = 0,
-			subSum = 0,
-			subSumStart = 0,
+			sum,
+			sumStart,
+			subSum,
+			subSumStart,
 			edges,
 			cumulative,
 			prevStack,
@@ -1538,6 +1538,7 @@ seriesTypes.waterfall = extendClass(seriesTypes.column, {
 
 		points = this.points;
 		subSumStart = sumStart = points[0];
+		sum = subSum = points[0].y;
 
 		for (i = 1, len = points.length; i < len; i++) {
 			// cache current point object

diff --git a/js/parts-more/WaterfallSeries.js b/js/parts-more/WaterfallSeries.js
@@ -137,10 +137,10 @@ seriesTypes.waterfall = extendClass(seriesTypes.column, {
 			points,
 			point,
 			shapeArgs,
-			sum = 0,
-			sumStart = 0,
-			subSum = 0,
-			subSumStart = 0,
+			sum,
+			sumStart,
+			subSum,
+			subSumStart,
 			edges,
 			cumulative,
 			prevStack,
@@ -156,6 +156,7 @@ seriesTypes.waterfall = extendClass(seriesTypes.column, {
 
 		points = this.points;
 		subSumStart = sumStart = points[0];
+		sum = subSum = points[0].y;
 
 		for (i = 1, len = points.length; i < len; i++) {
 			// cache current point object