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21 | |
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22 | <title>RGraph: Javascript charts and graph library - scatter charts</title> |
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23 | |
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24 | <meta name="keywords" content="rgraph html5 canvas example scatter chart" /> |
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25 | <meta name="description" content="RGraph: Javascript charts and graph library - Scatter charts example" /> |
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26 | |
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27 | <meta property="og:title" content="RGraph: Javascript charts and graph library" /> |
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28 | <meta property="og:description" content="A charts library based on the HTML5 canvas tag" /> |
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29 | <meta property="og:image" content="http://www.rgraph.net/images/logo.png"/> |
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30 | |
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31 | <link rel="stylesheet" href="../css/website.css" type="text/css" media="screen" /> |
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32 | <link rel="icon" type="image/png" href="../images/favicon.png"> |
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33 | |
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34 | <script src="../libraries/RGraph.common.core.js" ></script> |
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35 | <script src="../libraries/RGraph.common.tooltips.js" ></script> |
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36 | <script src="../libraries/RGraph.scatter.js" ></script> |
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37 | <!--[if IE 8]><script src="../excanvas/excanvas.original.js"></script><![endif]--> |
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38 | |
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39 | <script> |
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40 | window.onload = function () |
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41 | { |
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42 | |
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43 | var data = [ |
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44 | [10,15,'red'],[13,16,'red'],[12,11,'red'],[15,16,'red'],[20,19,'red'],[19,16,'red'],[13,15,'red'],[11,12,'red'],[13,16,'red'],[5,19,'red'],[16,15,'red'],[13,15,'red'],[14,14,'red'],[12,12,'red'], |
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45 | [5,4,'green'],[6,14,'green'],[19,12,'green'],[3,5,'green'],[1,16,'green'],[13,5,'green'],[15,15,'green'],[13,5,'green'],[4,9,'green'],[16,6,'green'],[13,18,'green'],[18,12,'green'],[19,18,'green'],[13,16,'green'],[15,14,'green'], |
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46 | [12,4,'blue'],[4,23,'blue'],[13,8,'blue'],[12,12,'blue'],[18,4,'blue'],[4,18,'blue'],[11,2,'blue'],[4,3,'blue'],[5,8,'blue'],[1,9,'blue'],[4,6,'blue'],[16,8,'blue'],[17,8,'blue'],[19,9,'blue'],[13,5,'blue'],[16,21,'blue'], |
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47 | [12,4],[13,12],[11,16],[4,19],[4,3],[5,6],[1,9],[4,12],[6,12],[8,8],[16,6],[13,5],[15,13],[23,23,'red'], [1,1, 'gray'], |
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48 | [1,4,'gray'], [2,3,'gray'], [1,6,'gray'], [2,3,'gray'], [2,5,'gray'], [3,7,'gray'], [1,4,'gray'], [2,7,'gray'] |
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49 | ]; |
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50 | |
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51 | var scatter1 = new RGraph.Scatter('scatter1', data); |
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52 | scatter1.Set('chart.ylabels.count', 10); |
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53 | scatter1.Set('chart.background.hbars', [[0,null,'rgba(0,255,0,0.3)']]); |
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54 | scatter1.Set('chart.background.grid.autofit', true); |
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55 | scatter1.Set('chart.background.grid.autofit.numhlines', 10); |
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56 | scatter1.Set('chart.labels', [['Week 1', 0], ['Week 2', 7], ['Week 3', 14], ['Week 4', 21]]); |
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57 | scatter1.Set('chart.labels.specific.align', 'center'); |
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58 | scatter1.Set('chart.xmax', 28); // Necessary |
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59 | scatter1.Set('chart.defaultcolor', 'black'); // Optional |
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60 | scatter1.Set('chart.title', 'A scatter chart'); |
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61 | scatter1.Set('chart.gutter.left', 40); |
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62 | scatter1.Set('chart.tickmarks', 'square'); |
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63 | scatter1.Set('chart.ticksize', 4); |
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64 | scatter1.Set('chart.ymax', 30); |
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65 | scatter1.Set('chart.units.pre', '$'); |
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66 | scatter1.Set('chart.line.colors', ['red','blue','black']); |
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67 | scatter1.Set('chart.key', ['Bob','Fred','Gaz']); |
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68 | scatter1.Draw(); |
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69 | |
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70 | |
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71 | |
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72 | var scatter2 = new RGraph.Scatter('scatter2', [ |
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73 | [10,[21,22,26,31,35, 'red', 'green']], |
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74 | [105,[10,10,15,25,30, 'red', 'green']], |
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75 | [125,[10,15,25,35,45, 'red', 'green']], |
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76 | [325,[10,15,25,35,45, 'yellow', 'green', 30]] // The last value is the width (in pixels) |
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77 | ]); |
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78 | scatter2.Set('chart.title', 'A Scatter chart boxplot'); |
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79 | scatter2.Set('chart.tickmarks', null); |
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80 | scatter2.Set('chart.labels', ['Q1', 'Q2', 'Q3', 'Q4']); |
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81 | scatter2.Set('chart.xmax', 365); |
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82 | scatter2.Set('chart.ymax', 50); |
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83 | scatter2.Set('chart.ymin', 10); |
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84 | scatter2.Set('chart.boxplot.width', 12); // The default width |
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85 | scatter2.Set('chart.background.vbars', [[182.5, 91.125, 'rgba(0,255,0,0.5)']]); |
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86 | scatter2.Draw(); |
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87 | } |
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88 | </script> |
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89 | |
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90 | <script> |
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91 | var _gaq = _gaq || []; |
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92 | _gaq.push(['_setAccount', 'UA-54706-2']); |
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103 | |
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104 | |
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105 | <!-- Social networking buttons --> |
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110 | |
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112 | // Opera fix |
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113 | if (navigator.userAgent.indexOf('Opera') == -1) { |
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115 | } |
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118 | |
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119 | |
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120 | <div id="breadcrumb"> |
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121 | <a href="../index.html">RGraph: Javascript charts and graph library</a> |
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122 | > |
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123 | <a href="./index.html">Examples</a> |
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124 | > |
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125 | Scatter charts |
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126 | </div> |
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127 | |
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128 | <h1>RGraph: <span>Javascript charts and graph library</span> - Scatter charts</h1> |
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129 | |
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130 | <script> |
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131 | if (RGraph.isIE8()) { |
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132 | 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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133 | } |
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134 | </script> |
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135 | |
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136 | <p> |
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137 | Scatter charts use two variables to plot points and makes it clear where there are congregations. The data points |
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138 | make up the X and Y coordinates. The labels on the X axis are separate from the X units, allowing you to "group" them. For |
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139 | example, like the example, you could set the maxium X value to be 365, but only have four labels. That way you would |
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140 | have a granularity of a day, but the X axis would only have four labels. Like the example. |
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141 | </p> |
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142 | |
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143 | <div> |
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144 | <ul> |
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145 | <li><a href="../docs/scatter.html">Scatter charts API documentation</a></li> |
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146 | </ul> |
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147 | </div> |
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148 | |
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149 | <canvas id="scatter1" width="450" height="200">[No canvas support]</canvas> |
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150 | <canvas id="scatter2" width="450" height="200">[No canvas support]</canvas> |
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151 | |
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152 | |
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153 | |
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154 | </body> |
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155 | </html> |
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