Fixed numerical instability in IE when plotting points by reversing the arc...

Fixed numerical instability in IE when plotting points by reversing the arc drawing clockwise setting (reported by bsrinisrini, issue 173)


git-svn-id: https://flot.googlecode.com/svn/trunk@162 1e0a6537-2640-0410-bfb7-f154510ff394

jquery.flot.js

@@ -1442,7 +1442,7 @@
                         continue;
                     
                     ctx.beginPath();
-                    ctx.arc(axisx.p2c(x), axisy.p2c(y) + offset, radius, 0, circumference, true);
+                    ctx.arc(axisx.p2c(x), axisy.p2c(y) + offset, radius, 0, circumference, false);
                     if (fillStyle) {
                         ctx.fillStyle = fillStyle;
                         ctx.fill();
@@ -1462,11 +1462,11 @@
                 var w = sw / 2;
                 ctx.lineWidth = w;
                 ctx.strokeStyle = "rgba(0,0,0,0.1)";
-                plotPoints(series.datapoints, radius, null, w + w/2, 2 * Math.PI,
+                plotPoints(series.datapoints, radius, null, w + w/2, Math.PI,
                            series.xaxis, series.yaxis);
 
                 ctx.strokeStyle = "rgba(0,0,0,0.2)";
-                plotPoints(series.datapoints, radius, null, w/2, 2 * Math.PI,
+                plotPoints(series.datapoints, radius, null, w/2, Math.PI,
                            series.xaxis, series.yaxis);
             }
 
@@ -1988,7 +1988,7 @@
             octx.strokeStyle = parseColor(series.color).scale(1, 1, 1, 0.5).toString();
             var radius = 1.5 * pointRadius;
             octx.beginPath();
-            octx.arc(axisx.p2c(x), axisy.p2c(y), radius, 0, 2 * Math.PI, true);
+            octx.arc(axisx.p2c(x), axisy.p2c(y), radius, 0, 2 * Math.PI, false);
             octx.stroke();
         }