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POJQplot tooltip for multiple y axes
 

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    <p>For a JQplot chart with 2 y axes, I am able to set the tooltip but when i hover over a datapoint i need to know to which y axis the tooltip belongs. I need this so that i can display the tooltip after multiplying with the appropriate scale factor. The code i tried is shown below. I thought y will be null when we hover over a data point belonging to y2 axis. But y is never null.</p> <pre><code> $("#"+sTargetId).bind('jqplotcustomDataMouseOver', function (ev, seriesIndex, pointIndex, data) { var chart_left = $("#"+sTargetId).offset().left, chart_right = ($(window).width() - ($("#"+sTargetId).offset().left + $("#"+sTargetId).outerWidth())), chart_top = $("#"+sTargetId).offset().top, x = oPlot.axes.xaxis.u2p(data[0]), y = oPlot.axes.yaxis.u2p(data[1]), y2 = oPlot.axes.y2axis.u2p(data[1]);; if(y===null|| y===undefined){ //this condition doesnt work var tooltipDataYaxis = data[1]*scaleYaxis1; var sYDisplay = this.sYAxis1MeasureName; $('#tooltip').css({left:chart_left+x, top:chart_top+y, marginRight:chart_right}); } else{ tooltipDataYaxis = data[1]*scaleYaxis2; sYDisplay = this.sYAxis2MeasureName; $('#tooltip').css({left:chart_left+x, top:chart_top+y2, marginRight:chart_right}); } $('#tooltip').html( '&lt;span style="font-family: Arial;font-size:'+sTooltip+';font:bold;color:#000000;"&gt;'+ sYDisplay+': ' + tooltipDataYaxis +'&lt;/span&gt;'); $('#tooltip').show(); }); $("#"+sTargetId).bind('jqplotcustomDataUnhighlight', function (ev, seriesIndex, pointIndex, data) { $('#tooltip').empty(); $('#tooltip').hide(); }); } </code></pre>
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