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bug fix: Graph does not appear in the case of 0 (for IE8) #8

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bug fix: Graph does not appear in the case of 0 (for IE8) #8

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27 changes: 16 additions & 11 deletions js/visualize.jQuery.js
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Original file line number Diff line number Diff line change
Expand Up @@ -193,16 +193,18 @@ $.fn.visualize = function(options, container){
//draw the pie pieces
$.each(memberTotals, function(i){
var fraction = (this <= 0 || isNaN(this))? 0 : this / dataSum;
ctx.beginPath();
ctx.moveTo(centerx, centery);
ctx.arc(centerx, centery, radius,
counter * Math.PI * 2 - Math.PI * 0.5,
(counter + fraction) * Math.PI * 2 - Math.PI * 0.5,
false);
ctx.lineTo(centerx, centery);
ctx.closePath();
ctx.fillStyle = dataGroups[i].color;
ctx.fill();
if(fraction > 0){
ctx.beginPath();
ctx.moveTo(centerx, centery);
ctx.arc(centerx, centery, radius,
counter * Math.PI * 2 - Math.PI * 0.5,
(counter + fraction) * Math.PI * 2 - Math.PI * 0.5,
false);
ctx.lineTo(centerx, centery);
ctx.closePath();
ctx.fillStyle = dataGroups[i].color;
ctx.fill();
}
// draw labels
var sliceMiddle = (counter + fraction/2);
var distance = o.pieLabelPos == 'inside' ? radius/1.5 : radius + radius / 5;
Expand Down Expand Up @@ -369,7 +371,10 @@ $.fn.visualize = function(options, container){
xVal += o.barGroupMargin*2;

ctx.moveTo(xVal, 0);
ctx.lineTo(xVal, Math.round(-points[i]*yScale));
var yVal = Math.round(-points[i]*yScale);
if(yVal < 0){
ctx.lineTo(xVal, yVal);
}
integer+=xInterval;
}
ctx.strokeStyle = dataGroups[h].color;
Expand Down