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| 7 | /** |
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| 8 | * o------------------------------------------------------------------------------o |
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| 11 | * | http://www.rgraph.net | |
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| 12 | * | | |
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| 13 | * | This package is licensed under the RGraph license. For all kinds of business | |
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| 18 | * o------------------------------------------------------------------------------o |
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| 19 | */ |
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| 20 | --> |
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| 21 | <title>RGraph: Javascript charts and graph library - Radar charts documentation</title> |
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| 22 | |
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| 26 | <meta property="og:title" content="RGraph: Javascript charts and graph library" /> |
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| 27 | <meta property="og:description" content="A charts library based on the HTML5 canvas tag" /> |
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| 44 | |
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| 45 | <!-- Social networking buttons --> |
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| 51 | <script> |
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| 52 | // Opera fix |
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| 53 | if (navigator.userAgent.indexOf('Opera') == -1) { |
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| 54 | document.getElementById("social_icons").style.position = 'fixed'; |
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| 55 | } |
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| 56 | </script> |
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| 57 | <!-- Social networking buttons --> |
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| 58 | |
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| 59 | <div id="breadcrumb"> |
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| 60 | <a href="../index.html">RGraph: Javascript charts and graph library</a> |
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| 61 | > |
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| 62 | <a href="index.html">Documentation</a> |
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| 63 | > |
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| 64 | Radar charts |
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| 65 | </div> |
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| 66 | |
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| 67 | <h1>RGraph: <span>Javascript charts and graph library</span> - Radar charts documentation</h1> |
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| 68 | |
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| 69 | <div style="background-color: #ffb; border: 2px dashed #000; padding: 3px"> |
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| 70 | This chart used to be called the Tradar chart (T standing for "Traditional" - there used to be two Radar charts in RGraph), |
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| 71 | however now (July 2011), it has been renamed to the "Radar" chart to make it easier for people to identify. If you use it |
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| 72 | you will need to update your code accordingly. Keep in mind that if you use the .type property - this has been updated too |
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| 73 | (to <i>radar</i>). |
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| 74 | </div> |
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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 | <p> |
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| 83 | A Radar chart. |
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| 84 | </p> |
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| 85 | |
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| 86 | <p> |
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| 87 | The example file is <a href="../examples/radar.html">here</a>. |
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| 88 | </p> |
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| 89 | |
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| 90 | <pre class="code"> |
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| 91 | <script> |
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| 92 | window.onload = function () |
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| 93 | { |
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| 94 | var data = [3, 3, 41, 37, 16]; |
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| 95 | |
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| 96 | var radar = new RGraph.Radar('myRadar', data); |
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| 97 | radar.Set('chart.background.circles', true); |
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| 98 | radar.Set('chart.color', 'rgba(255,0,0,0.5)'); |
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| 99 | radar.Set('chart.circle', 20); |
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| 100 | radar.Set('chart.circle.fill', 'rgba(200,255,200,0.5)'); |
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| 101 | radar.Set('chart.labels', ['Safari (3%)', 'Other (3%)', 'MSIE 7 (41%)', 'MSIE 6 (37%)', 'Firefox (16%)']); |
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| 102 | radar.Set('chart.key', ['Market share', 'A made up figure']); |
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| 103 | radar.Draw(); |
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| 104 | } |
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| 105 | </script> |
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| 106 | </pre> |
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| 107 | |
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| 108 | |
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| 109 | <h2>Properties</h2> |
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| 110 | |
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| 111 | <p> |
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| 112 | You can use these properties to control how the chart apears. You can set these properties by using the Set() method. Eg: |
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| 113 | </p> |
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| 114 | |
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| 115 | <p> |
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| 116 | <b>myRadar.Set('color', 'rgba(255,0,0,0.5)');</b> |
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| 117 | </p> |
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| 118 | |
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| 119 | <ul> |
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| 120 | <li><a href="#margins">Margins</a></li> |
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| 121 | <li><a href="#colors">Colors</a></li> |
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| 122 | <li><a href="#title">Title</a></li> |
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| 123 | <li><a href="#labels and text">Labels and text</a></li> |
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| 124 | <li><a href="#scale">Scale</a></li> |
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| 125 | <li><a href="#misc">Miscellaneous</a></li> |
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| 126 | <li><a href="#key">Key</a></li> |
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| 127 | <li><a href="#interactive features">Interactive features</a></li> |
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| 128 | <li><a href="#zoom">Zoom</a></li> |
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| 129 | </ul> |
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| 130 | |
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| 131 | |
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| 132 | |
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| 133 | <a name="margins"></a> |
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| 134 | <h3 style="border: 1px solid #aaa; background-color: #eee; font-style: italic; padding: 5px; -moz-border-radius: 10px; -webkit-border-radius: 10px; border-radius: 10px">Margins</h3> |
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| 135 | |
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| 136 | |
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| 137 | |
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| 138 | <a name="chart.gutter.left"></a> |
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| 139 | <b>chart.gutter.left</b><br /> |
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| 140 | The left gutter of the chart, (the gutter is where the labels and title are)).<br /> |
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| 141 | <i>Default: 25</i><br /><br /> |
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| 142 | |
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| 143 | <a name="chart.gutter.right"></a> |
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| 144 | <b>chart.gutter.right</b><br /> |
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| 145 | The right gutter of the chart, (the gutter is where the labels and title are).<br /> |
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| 146 | <i>Default: 25</i><br /><br /> |
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| 147 | |
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| 148 | <a name="chart.gutter.top"></a> |
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| 149 | <b>chart.gutter.top</b><br /> |
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| 150 | The top gutter of the chart, (the gutter is where the labels and title are).<br /> |
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| 151 | <i>Default: 25</i><br /><br /> |
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| 152 | |
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| 153 | <a name="chart.gutter.bottom"></a> |
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| 154 | <b>chart.gutter.bottom</b><br /> |
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| 155 | The bottom gutter of the chart, (the gutter is where the labels and title are).<br /> |
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| 156 | <i>Default: 25</i><br /><br /> |
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| 157 | |
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| 158 | <a name="colors"></a> |
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| 159 | <h3 style="border: 1px solid #aaa; background-color: #eee; font-style: italic; padding: 5px; -moz-border-radius: 10px; -webkit-border-radius: 10px; border-radius: 10px">Colors</h3> |
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| 160 | <a name="chart.colors"></a> |
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| 161 | <b>chart.colors</b><br /> |
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| 162 | The colors of the radar chart(s).<br /> |
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| 163 | <i>Default: red</i><br /><br /> |
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| 164 | |
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| 165 | <a name="chart.colors.alpha"></a> |
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| 166 | <b>chart.colors.alpha</b><br /> |
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| 167 | If set (a number between 0 nd 1), this will be used as the alpha value of the colors of the chart.<br /> |
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| 168 | <i>Default: null</i><br /><br /> |
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| 169 | |
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| 170 | <a name="title"></a> |
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| 171 | <h3 style="border: 1px solid #aaa; background-color: #eee; font-style: italic; padding: 5px; -moz-border-radius: 10px; -webkit-border-radius: 10px; border-radius: 10px">Title</h3> |
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| 172 | |
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| 173 | <a name="chart.title"></a> |
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| 174 | <b>chart.title</b><br /> |
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| 175 | The title, if any, of the chart.<br /> |
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| 176 | <i>Default: Not set</i><br /><br /> |
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| 177 | |
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| 178 | <a name="chart.title.color"></a> |
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| 179 | <b>chart.title.color</b><br /> |
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| 180 | The color of the title.<br /> <i>Default: black</i><br /><br /> |
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| 181 | <a name="chart.title.vpos"></a> |
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| 182 | <b>chart.title.vpos</b><br /> |
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| 183 | This allows you to completely override the vertical positioning of the title. It should be a number between 0 and 1, and is multiplied with the gutter and then used as the vertical position. It can be useful if you need to have a large gutter.<br /><i>Default: null</i><br /><br /> |
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| 184 | <a name="chart.title.hpos"></a> |
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| 185 | <b>chart.title.hpos</b><br /> |
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| 186 | This allows you to completely override the horizontal positioning of the title. It should be a number between 0 and 1, and is multiplied with the whole width of the canvas and then used as the horizontal position. <br /><i>Default: null</i><br /><br /> |
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| 187 | <a name="labels and text"></a> |
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| 188 | <h3 style="border: 1px solid #aaa; background-color: #eee; font-style: italic; padding: 5px; -moz-border-radius: 10px; -webkit-border-radius: 10px; border-radius: 10px">Labels and text</h3> <a name="chart.labels"></a> |
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| 189 | <b>chart.labels</b><br /> |
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| 190 | The labels to use for the chart.<br /><i>Default: An empty array</i><br /><br /> |
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| 191 | <a name="chart.labels.axes"></a> |
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| 192 | <b>chart.labels.axes</b><br /> |
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| 193 | This controls the axes that show the scale labels. Each letter stands for the appropriate axis (North, South, East and West)<br /><i>Default: nsew</i><br /><br /> |
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| 194 | <a name="chart.labels.offsetx"></a> |
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| 195 | <b>chart.labels.offsetx</b><br /> |
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| 196 | The X pixel offset for the labels.<br /><i>Default: 10</i><br /><br /> |
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| 197 | <a name="chart.labels.offsety"></a> |
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| 198 | <b>chart.labels.offsety</b><br /> |
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| 199 | The Y pixel offset for the labels.<br /><i>Default: 10</i><br /><br /> |
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| 200 | <a name="chart.text.font"></a> |
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| 201 | <b>chart.text.font</b><br /> |
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| 202 | The font used to render the text.<br /><i>Default: Verdana</i><br /><br /> |
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| 203 | <a name="chart.text.color"></a> |
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| 204 | <b>chart.text.color</b><br /> |
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| 205 | The color of the labels. <br /><i>Default: black</i><br /><br /> |
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| 206 | <a name="chart.text.size"></a> |
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| 207 | <b>chart.text.size</b><br /> |
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| 208 | The size of the text (in points).<br /><i>Default: 10</i><br /><br /> |
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| 209 | <a name="scale"></a> |
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| 210 | |
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| 211 | <h3 style="border: 1px solid #aaa; background-color: #eee; font-style: italic; padding: 5px; -moz-border-radius: 10px; -webkit-border-radius: 10px; border-radius: 10px">Scale</h3> <a name="chart.ymax"></a> |
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| 212 | <b>chart.ymax</b><br /> |
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| 213 | The optional maximum Y scale value. If not specified then it will be calculated.<br /><i>Default: null (It's calculated)</i><br /><br /> |
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| 214 | |
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| 215 | <a name="chart.scale.round"></a> |
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| 216 | <b>chart.scale.round</b><br /> |
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| 217 | Whether to round the maximum scale value up or not. This will produce slightly better scales in some instances.<br /> |
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| 218 | <i>Default: null</i><br /><br /> |
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| 219 | |
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| 220 | <a name="misc"></a> |
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| 221 | <h3 style="border: 1px solid #aaa; background-color: #eee; font-style: italic; padding: 5px; -moz-border-radius: 10px; -webkit-border-radius: 10px; border-radius: 10px">Miscellaneous</h3> |
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| 222 | <a name="chart.highlight.stroke"></a> |
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| 223 | <b>chart.highlight.stroke</b><br /> |
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| 224 | If you use tooltips, this controls the color of the highlight stroke. |
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| 225 | <br /><i>Default: gray</i><br /><br /> |
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| 226 | |
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| 227 | <a name="chart.highlight.fill"></a> |
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| 228 | <b>chart.highlight.fill</b><br /> |
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| 229 | If you use tooltips, this controls the colour of the highlight fill. |
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| 230 | <br /><i>Default: white</i><br /><br /> |
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| 231 | |
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| 232 | <a name="chart.background.circles"></a> |
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| 233 | <b>chart.background.circles</b><br /> |
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| 234 | Whether to draw the grey background circles.<br /><i>Default: true</i><br /><br /> |
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| 235 | <a name="chart.linewidth"></a> |
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| 236 | <b>chart.linewidth</b><br /> |
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| 237 | The width of the outline.<br /><i>Default: 1</i><br /><br /> |
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| 238 | <a name="chart.circle"></a> |
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| 239 | <b>chart.circle</b><br /> |
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| 240 | What value to draw a circle at. Defaults to zero (off). You could use this to represent a threshold of some sort.<br /><i>Default: 0</i><br /><br /> |
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| 241 | <a name="chart.circle.fill"></a> |
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| 242 | <b>chart.circle.fill</b><br /> |
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| 243 | What color to fill the circle with.<br /><i>Default: red</i><br /><br /> |
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| 244 | <a name="chart.circle.stroke"></a> |
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| 245 | <b>chart.circle.stroke</b><br /> |
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| 246 | What color to stroke (ie The outline) the circle with.<br /><i>Default: black</i><br /><br /> |
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| 247 | |
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| 248 | |
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| 249 | |
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| 250 | |
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| 251 | |
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| 252 | |
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| 253 | <a name="key"></a> |
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| 254 | <h3 style="border: 1px solid #aaa; background-color: #eee; font-style: italic; padding: 5px; -moz-border-radius: 10px; -webkit-border-radius: 10px; border-radius: 10px">Key</h3> |
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| 255 | |
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| 256 | <a name="chart.key"></a> |
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| 257 | <b>chart.key</b><br /> |
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| 258 | An array of key information. <br /> |
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| 259 | <i>Default: [] (An empty array)</i><br /><br /> |
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| 260 | |
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| 261 | <a name="chart.key.background"></a> |
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| 262 | <b>chart.key.background</b><br /> |
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| 263 | The color of the key background. Typically white, you could set this to something like rgba(255,255,255,0.7) to allow people to see things behind it.<br> |
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| 264 | <i>Default: white</i><br /><br /> |
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| 265 | |
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| 266 | <a name="chart.key.halign"></a> |
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| 267 | <b>chart.key.halign</b><br /> |
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| 268 | Instead of specifying the exact x/y coordinates, you can use this property to simply specify whether the key hould be |
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| 269 | aligned <i>left</i> or <i>right</i>.<br /> |
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| 270 | <i>Default: right</i><br /><br /> |
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| 271 | |
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| 272 | <a name="chart.key.position"></a> |
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| 273 | <b>chart.key.position</b><br /> |
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| 274 | Determines the position of the key.Either <b>graph</b> (default), or <b>gutter</b>.<br /> |
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| 275 | <i>Default: graph</i><br /><br /> |
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| 276 | |
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| 277 | <b>chart.key.position.x</b><br /> |
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| 278 | This allows you to specify a specific X coordinate for the key.<br /> |
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| 279 | <i>Default: null</i><br /><br /> |
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| 280 | |
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| 281 | <b>chart.key.position.y</b><br /> |
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| 282 | This allows you to specify a specific Y coordinate for the key.<br /> |
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| 283 | <i>Default: null</i><br /><br /> |
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| 284 | |
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| 285 | <b>chart.key.position.gutter.boxed</b><br /> |
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| 286 | If you have the key in gutter mode (ie horizontal), this allows you to give a background color.<br /> |
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| 287 | <i>Default: true</i><br /><br /> |
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| 288 | |
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| 289 | <a name="chart.key.shadow"></a> |
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| 290 | <b>chart.key.shadow</b><br /> |
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| 291 | Whether a small drop shadow is applied to the key.<br /> |
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| 292 | <i>Default: false</i><br /><br /> |
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| 293 | |
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| 294 | <a name="chart.key.shadow.color"></a> |
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| 295 | <b>chart.key.shadow.color</b><br /> |
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| 296 | The color of the shadow.<br /> |
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| 297 | <i>Default: #666</i><br /><br /> |
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| 298 | |
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| 299 | <a name="chart.key.shadow.blur"></a> |
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| 300 | <b>chart.key.shadow.blur</b><br /> |
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| 301 | The extent of the blurring effect used on the shadow.<br /> |
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| 302 | <i>Default: 3</i><br /><br /> |
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| 303 | |
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| 304 | <a name="chart.key.shadow.offsetx"></a> |
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| 305 | <b>chart.key.shadow.offsetx</b><br /> |
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| 306 | The X offset of the shadow.<br /> |
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| 307 | <i>Default: 2</i><br /><br /> |
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| 308 | |
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| 309 | <a name="chart.key.shadow.offsety"></a> |
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| 310 | <b>chart.key.shadow.offsety</b><br /> |
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| 311 | The Y offset of the shadow.<br /> |
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| 312 | <i>Default: 2</i><br /><br /> |
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| 313 | |
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| 314 | <b>chart.key.rounded</b><br /> |
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| 315 | This controls whether the corners of the key (in graph mode) are curved. If the key is gutter mode, this has no effect.<br /> |
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| 316 | <i>Default: false</i><br /><br /> |
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| 317 | |
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| 318 | <b>chart.key.color.shape</b><br /> |
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| 319 | This can be <i>square</i>, <i>circle</i> or <i>line</i> and controls how the color indicators in the key appear.<br /> |
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| 320 | <i>Default: square</i><br /><br /> |
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| 321 | |
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| 322 | <b>chart.key.linewidth</b><br /> |
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| 323 | The line width of the surrounding border on the key.<br /> |
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| 324 | <i>Default: 1</i><br /><br /> |
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| 325 | |
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| 326 | |
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| 327 | |
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| 328 | |
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| 329 | |
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| 330 | |
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| 331 | |
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| 332 | <a name="interactive features"></a> |
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| 333 | <h3 style="border: 1px solid #aaa; background-color: #eee; font-style: italic; padding: 5px; -moz-border-radius: 10px; -webkit-border-radius: 10px; border-radius: 10px">Interactive features</h3> |
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| 334 | |
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| 335 | <a name="chart.contextmenu"></a> |
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| 336 | <b>chart.contextmenu</b><br /> |
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| 337 | An array of context menu items. More information on context menus is <a href="context.html">here</a>.<br /> |
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| 338 | <i>Default: [] (An empty array)</i><br /><br /> |
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| 339 | |
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| 340 | <a name="chart.annotatable"></a> |
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| 341 | <b>chart.annotatable</b><br /> |
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| 342 | Whether annotations are enabled for the chart (ie you can draw on the chart interactively.<br /><i>Default: false</i><br /><br /> |
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| 343 | |
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| 344 | <a name="chart.annotate.color"></a> |
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| 345 | <b>chart.annotate.color</b><br /> |
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| 346 | If you do not allow the use of the palette, then this will be the only colour allowed for annotations.<br /> |
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| 347 | <i>Default: black</i><br /><br /> |
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| 348 | |
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| 349 | <a name="chart.tooltips"></a> |
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| 350 | <b>chart.tooltips</b><br /> |
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| 351 | A numerically indexed array of tooltips that are shown when a hotspot is hovered over. These can contain HTML.<br /> |
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| 352 | <i>Default: An empty array</i><br /><br /> |
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| 353 | |
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| 354 | <a name="chart.tooltips.effect"></a> |
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| 355 | <b>chart.tooltips.effect</b><br /> |
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| 356 | The visual effect used when showing tooltips. Can be either <i>fade</i> or <i>expand</i>.<br /> |
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| 357 | <i>Default: fade</i><br /><br /> |
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| 358 | |
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| 359 | <a name="chart.tooltips.css.class"></a> |
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| 360 | <b>chart.tooltips.css.class</b><br /> |
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| 361 | This is the name of the CSS class the chart uses.<br /> |
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| 362 | <i>Default: RGraph_tooltip</i><br /><br /> |
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| 363 | |
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| 364 | <a name="chart.tooltips.override"></a> |
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| 365 | <b>chart.tooltips.override</b><br /> |
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| 366 | If you wish to handle showing tooltips yourself, this should be a function object which does just that. There's more information on the <a href="tooltips.html">tooltips documentation page</a><br /> |
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| 367 | <i>Default: null</i><br /><br /> |
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| 368 | |
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| 369 | <a name="chart.resizable"></a> |
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| 370 | <b>chart.resizable</b><br /> |
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| 371 | Defaulting to false, this determines whether your chart will be resizable. Because of the numerous event handlers this has to install code on, This feature is unlikely to work with other dynamic features (the context menu is fine however).<br /> |
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| 372 | <i>Default: false</i><br /><br /> |
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| 373 | |
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| 374 | |
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| 375 | <a name="chart.resize.handle.background"></a> |
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| 376 | <b>chart.resize.handle.background</b><br /> |
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| 377 | With this you can specify the background color for the resize handle. If you're adjusting the position of the |
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| 378 | handle then you may need this to make the handle stand out more.<br /> |
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| 379 | <i>Default: null</i><br /><br /> |
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| 380 | |
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| 381 | <a name="zoom"></a> |
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| 382 | <h3 style="border: 1px solid #aaa; background-color: #eee; font-style: italic; padding: 5px; -moz-border-radius: 10px; -webkit-border-radius: 10px; border-radius: 10px">Zoom</h3> <a name="chart.zoom.mode"></a> |
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| 383 | <b>chart.zoom.mode</b><br /> |
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| 384 | Can be used to control whether the zoom is in thumbnail or canvas mode. Possible values are: <i>thumbnail</i> and <i>canvas</i>.<br /><i>Default: canvas</i><br /><br /> |
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| 385 | <a name="chart.zoom.factor"></a> |
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| 386 | <b>chart.zoom.factor</b><br /> |
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| 387 | This is the factor that the chart will be zoomed by (bigger values means more zoom)<br /><i>Default: 1.5</i><br /><br /> |
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| 388 | <a name="chart.zoom.fade.in"></a> |
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| 389 | <b>chart.zoom.fade.in</b><br /> |
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| 390 | Whether the zoomed canvas fades in or not. This also can be used to control the fade in for the zoom in thumbnail mode.<br /><i>Default: true</i><br /><br /> |
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| 391 | <a name="chart.zoom.fade.out"></a> |
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| 392 | <b>chart.zoom.fade.out</b><br /> |
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| 393 | Whether the zoomed canvas fades out or not. This also can be used to control the fade in for the zoom in thumbnail mode.<br /><i>Default: true</i><br /><br /> |
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| 394 | <a name="chart.zoom.hdir"></a> |
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| 395 | <b>chart.zoom.hdir</b><br /> |
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| 396 | The horizontal direction of the zoom. Possible values are: <i>left</i>, <i>center</i>, <i>right</i><br /><i>Default: right</i><br /><br /> |
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| 397 | <a name="chart.zoom.vdir"></a> |
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| 398 | <b>chart.zoom.vdir</b><br /> |
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| 399 | The vertical direction of the zoom. Possible values are: <i>up</i>, <i>center</i>, <i>down</i><br /><i>Default: down</i><br /><br /> |
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| 400 | <a name="chart.zoom.delay"></a> |
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| 401 | <b>chart.zoom.delay</b><br /> |
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| 402 | The delay (in milliseconds) between frames.<br /><i>Default: 50</i><br /><br /> |
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| 403 | <a name="chart.zoom.frames"></a> |
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| 404 | <b>chart.zoom.frames</b><br /> |
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| 405 | The number of frames in the zoom animation.<br /><i>Default: 10</i><br /><br /> |
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| 406 | <a name="chart.zoom.shadow"></a> |
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| 407 | <b>chart.zoom.shadow</b><br /> |
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| 408 | Whether or not the zoomed canvas has a shadow or not.<br /><i>Default: true</i><br /><br /> |
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| 409 | <a name="chart.zoom.thumbnail.width"></a> |
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| 410 | <b>chart.zoom.thumbnail.width</b><br /> |
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| 411 | When the zoom is in thumbnail mode, this is the width (in pixels) of the thumbnail.<br /><i>Default: 75</i><br /><br /> |
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| 412 | <a name="chart.zoom.thumbnail.height"></a> |
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| 413 | <b>chart.zoom.thumbnail.height</b><br /> |
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| 414 | When the zoom is in thumbnail mode, this is the height (in pixels) of the thumbnail.<br /><i>Default: 75</i><br /><br /> |
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| 415 | <a name="chart.zoom.background"></a> |
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| 416 | <b>chart.zoom.background</b><br /> |
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| 417 | Defaulting to true, this determines whether the zoom has a dark, semi-opaque background that covers the entire web page.<br /><i>Default: true</i><br /><br /> |
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| 418 | </div><!-- /DOCS --><br /><br /> |
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| 419 | </body> |
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| 420 | </html> |
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