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| 21 | <title>RGraph: Javascript charts and graph library - Adjusting your charts interactively</title> |
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| 67 | <a href="../index.html">RGraph: Javascript charts and graph library</a> |
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| 68 | > |
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| 69 | <a href="index.html">Documentation</a> |
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| 70 | > |
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| 71 | Adjusting charts interactively |
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| 72 | </div> |
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| 73 | |
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| 74 | <h1>RGraph: <span>Javascript charts and graph library</span> - Adjusting your charts interactively</h1> |
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| 75 | |
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| 76 | <script> |
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| 77 | if (RGraph.isIE8()) { |
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| 78 | document.write('<div style="background-color: #fee; border: 2px dashed red; padding: 5px"><b>Important</b><br /><br /> Internet Explorer 8 does not natively support the HTML5 canvas tag, so if you want to see the charts, you can either:<ul><li>Install <a href="http://code.google.com/chrome/chromeframe/">Google Chrome Frame</a></li><li>Use ExCanvas. This is provided in the RGraph Archive.</li><li>Use another browser entirely. Your choices are Firefox 3.5+, Chrome 2+, Safari 4+ or Opera 10.5+. </li></ul> <b>Note:</b> Internet Explorer 9 fully supports the canvas tag. Click <a href="http://support.rgraph.net/message/rgraph-in-internet-explorer-9.html" target="_blank">here</a> to see some screenshots.</div>'); |
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| 79 | } |
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| 80 | </script> |
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| 81 | |
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| 82 | <div style="float: left"></div> |
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| 83 | <p> |
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| 84 | Since 24th May 2010 you have had the ability to adjust your so if you want to see the charts interactively. Currently the Bar chart, Line chart, |
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| 85 | Progress Bar, Rose chart and the Radar have this facility. Some chart types use multiple event handlers and as such |
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| 86 | are unlikely to work well with other dynamic features. The Line chart is an example of this, and whilst it does work |
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| 87 | with the context menu (and so the full canvas zoom), it is unlikely to work with other dynamic features. |
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| 88 | </p> |
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| 89 | |
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| 90 | |
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| 91 | <p> |
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| 92 | At the current time this feature on the Bar and Line charts doesn't work with X axis in the center. |
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| 93 | </p> |
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| 94 | |
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| 95 | |
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| 96 | <p> |
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| 97 | If your intention is to make some sort of interactive console, new HTML5 input types may also be of interest (for example the new <i>range</i> input type |
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| 98 | which gives you a "slider bar"). Eg (Chrome/Safari/Opera): |
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| 99 | </p> |
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| 100 | |
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| 101 | <p style="text-align: center"> |
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| 102 | <input type="range" min="0" max="100" value="76" onchange="document.getElementById('range_result').value = this.value"/> |
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| 103 | <input type="text" id="range_result" size="3" value="76" /> |
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| 104 | </p> |
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| 105 | |
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| 106 | <h4>Note</h4> |
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| 107 | |
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| 108 | <p> |
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| 109 | Since interactivly adjusting a chart involves completely redrawing it, having a lot of them on one page can cause |
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| 110 | slower updates. For this reason each example chart is on its own page: |
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| 111 | </p> |
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| 112 | |
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| 113 | <ul> |
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| 114 | <li><a href="adjusting_bar.html">Bar chart</a></li> |
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| 115 | <li><a href="adjusting_gantt.html">Gantt chart</a></li> |
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| 116 | <li><a href="adjusting_hprogress.html">HProgress bar</a></li> |
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| 117 | <li><a href="adjusting_line.html">Line chart</a></li> |
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| 118 | <li><a href="adjusting_radar.html">Radar chart</a></li> |
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| 119 | <li><a href="adjusting_rose.html">Rose chart</a></li> |
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| 120 | <li><a href="adjusting_thermometer.html">Thermometer chart</a></li> |
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| 121 | <li><a href="adjusting_vprogress.html">VProgress bar</a></li> |
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| 122 | </ul> |
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| 123 | |
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| 124 | <h4>DOM2 event handlers</h4> |
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| 125 | |
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| 126 | <p> |
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| 127 | In January 2011 all adjusting was converted to DOM2 event handling. This makes adjusting work much better with other |
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| 128 | dynamic features. |
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| 129 | </p> |
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| 130 | </div> |
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| 131 | |
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| 132 | </body> |
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| 133 | </html> |
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