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POjqPlot - How to change opacity or z-index of canvasOverlay?
 

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  1. POjqPlot - How to change opacity or z-index of canvasOverlay?
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    <p>I would like to show 3 color zones on my graph on the background according to y axis value, as I understand, I cannot control the background color by different colors.</p> <p>My idea is to draw 3 horizontal lines with canvasOverlay - that is working. The problem is I want to place this lines behind my graph curve, now it seen on the front and it overlays my points line.</p> <p>Can I change the property of z-index or the opacity?</p> <p>Maybe some other ideas?</p> <pre><code> $.jqplot( 'ChartDIV', [data], { series: [{ showMarker: true}], highlighter: { sizeAdjust: 10, show: true, tooltipLocation: 'n', useAxesFormatters: true }, tickOptions: { formatString: '%d' }, canvasOverlay: { show: true, objects: [ { horizontalLine: { name: 'low', y: 1.0, lineWidth: 100, color: 'rgb(255, 0, 0)', shadow: false } }, { horizontalLine: { name: 'medium', y: 2.0, lineWidth: 100, color: 'rgb(250, 250, 0)', shadow: true } }, { horizontalLine: { name: 'high', y: 3.0, lineWidth: 100, color: 'rgb(145, 213, 67)', shadow: false } }, ] }, axes: { xaxis: { label: 'Dates', renderer: $.jqplot.DateAxisRenderer, rendererOptions: { tickRenderer: $.jqplot.CanvasAxisTickRenderer }, tickOptions: { formatString: '%d/%m/%Y', angle: -30, fontFamily: 'Arial', fontSize: '13px', fontWeight: 'bold' }, min: d[0] + "/" + d[1] + "/01", tickInterval: '2 month', labelOptions: { fontFamily: 'Arial', fontSize: '14pt', fontWeight: 'bold', textColor: '#0070A3' } }, yaxis: { label: 'Level', labelRenderer: $.jqplot.CanvasAxisLabelRenderer, tickOptions: { formatter: $.jqplot.tickNumberFormatter }, rendererOptions: { tickRenderer: $.jqplot.CanvasAxisTickRenderer }, labelOptions: { fontFamily: 'Arial', fontSize: '14pt', fontWeight: 'bold', textColor: '#0070A3', angle: -90 } } } } ); </code></pre>
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    1. COI am not sure how and where exactly do you paint it, a code sample would be useful. Could you provide one, probably at http://jsfiddle.net/ ?
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    2. COupdated with code
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    3. COPlease check out my **EDIT**. My recommendation for you for future is to use `jsfiddle` instead of just code snippets. This seriously saves time to one answering plus you and answering person are sure the code shows your problem accurately. In this one I had to add my data etc had to scrap some of it as well.
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