RGraph/docs/ingraph.html

   1 <?php ob_start('ob_gzhandler') ?>
   2 <!DOCTYPE html>
   3 <html>
   4 <head>
   5     <meta http-equiv="X-UA-Compatible" content="chrome=1">
   6     <!--
   7         /**
   8         * o------------------------------------------------------------------------------o
   9         * | This file is part of the RGraph package - you can learn more at:             |
  10         * |                                                                              |
  11         * |                          http://www.rgraph.net                               |
  12         * |                                                                              |
  13         * | This package is licensed under the RGraph license. For all kinds of business |
  14         * | purposes there is a small one-time licensing fee to pay and for non          |
  15         * | commercial  purposes it is free to use. You can read the full license here:  |
  16         * |                                                                              |
  17         * |                      http://www.rgraph.net/LICENSE.txt                       |
  18         * o------------------------------------------------------------------------------o
  19         */
  20     -->
  21     <title>RGraph: HTML5 canvas graph library - In-graph labels</title>
  22
  23     <meta name="keywords" content="rgraph html5 canvas graph docs ingraph in-graph" />
  24     <meta name="description" content="RGraph: HTML5 canvas graph software - Documentation about in-graph labels" />
  25
  26     <link rel="stylesheet" href="../css/website.css" type="text/css" media="screen" />
  27     <link rel="icon" type="image/png" href="../images/favicon.png">
  28
  29     <script src="../libraries/RGraph.common.core.js" ></script>
  30     <script src="../libraries/RGraph.line.js" ></script>
  31     <script src="../libraries/RGraph.bar.js" ></script>
  32 </head>
  33 <body>
  34
  35     <!-- Social networking buttons -->
  36     <script src="../libraries/RGraph.common.core.js" ></script>
  37
  38     <script>
  39         function HideTwitterDIV ()
  40         {
  41             document.getElementById("twitter_div").style.opacity = 0;
  42             document.getElementById("twitter_div").style.display = 'none';
  43         }
  44
  45
  46         function ShowTwitterDIV (e)
  47         {
  48             var e   = RGraph.FixEventObject(document.all ? event : e);
  49             var div = document.getElementById("twitter_div");
  50             var img = document.getElementById("twitter_icon");
  51
  52             div.style.display = 'block';
  53             div.style.left    = (RGraph.getCanvasXY(img)[0] + img.offsetWidth - div.offsetWidth + 110) + 'px';
  54             div.style.top     = (RGraph.getCanvasXY(img)[1] - 1) + 'px';
  55
  56             /**
  57             * Fade it in
  58             */
  59             setTimeout('document.getElementById("twitter_div").style.opacity = 0.2;', 25);
  60             setTimeout('document.getElementById("twitter_div").style.opacity = 0.4;', 50);
  61             setTimeout('document.getElementById("twitter_div").style.opacity = 0.6;', 100);
  62             setTimeout('document.getElementById("twitter_div").style.opacity = 0.8;', 125);
  63             setTimeout('document.getElementById("twitter_div").style.opacity = 1.0;', 150);
  64
  65             e.stopPropagation();
  66
  67             return false;
  68         }
  69
  70         /**
  71         * This code installs the event handler that hides the Twitter DIV
  72         */
  73         if (RGraph.isIE8()) {
  74              window.attachEvent('onload', function () {document.body.attachEvent('onclick', HideTwitterDIV);});
  75         } else {
  76             window.addEventListener('click', HideTwitterDIV, false);
  77         }
  78     </script>
  79
  80     <!-- The twitter DIV -->
  81     <div id="twitter_div" style="position: absolute;top: 0;left: 0;background-color: #eee;border: 2px dashed black;box-shadow: 0 0 15px #aaa;-moz-box-shadow: 0 0 15px #aaa;-webkit-box-shadow: 0 0 15px #aaa;padding: 3px;display: none;opacity: 0;z-index: 99;">
  82         <a href="http://twitter.com/home/?status=RGraph%3A+HTML5+canvas+graph+library+based+on+the+HTML5+canvas+tag+http%3A%2F%2Fwww.rgraph.net+%23rgraph+%23html5+%23canvas" target="_blank" title="Share on Twitter" rel="nofollow" style="text-decoration: none">Tweet&nbsp;about&nbsp;RGraph</a><br>
  83         <a href="http://twitter.com/_rgraph" style="text-decoration: none" rel="nofollow" target="_blank">Follow for HTML5 news</a>
  84     </div>
  85
  86     <div id="social_icons" class="warning" style="top: 0; left: 5px; position: absolute">
  87         <script>
  88             // Opera fix
  89             if (navigator.userAgent.indexOf('Opera') == -1) {
  90               document.getElementById("social_icons").style.position = 'fixed';
  91               document.getElementById("twitter_div").style.position = 'fixed';
  92
  93             }
  94         </script>
  95
  96         <b style="display: inline-block; position: relative; top: 1px">Bookmark and share:</b>
  97
  98
  99             <div id="social">
 100                 <a title="Bookmark with delicious" href="http://delicious.com/save?jump=close&v=4&noui&jump=close&url=http://www.rgraph.net&notes=RGraph%20is%20a%20HTML5%20based%20graph%20library%20supporting%20a%20wide%20range%20of%20different%20graph%20types:Bar,%20Bipolar,%20Donut,%20Funnel,%20Gantt,%20Horizontal%20Bar,%20LED,%20Line,%20Meter,%20Odometer,%20Pie,%20Progress%20Bar,%20Rose,%20RScatter,%20Scatter%20and%20Traditional%20Radar&title=RGraph:%20HTML5%20canvas%20graph%20library%20based%20on%20the%20HTML5%20canvas%20tag" target="_blank">
 101                     <img src="../images/delicious.png" alt="Bookmark with delicious" width="22" height="22" border="0" align="absmiddle" />
 102                 </a>
 103
 104                 <a href="" target="_blank" onmouseover="if (document.getElementById('twitter_div').style.display == 'none') ShowTwitterDIV(event);" onclick="event.stopPropagation(); event.cancelBubble = true; return false">
 105                     <img src="../images/twitter.png" id="twitter_icon" alt="tweet this site" width="22" height="22" border="0" align="absmiddle" />
 106                 </a>
 107
 108
 109 <!--
 110                 <a title="Post to Google Buzz!" href="" onclick="window.open('http://www.google.com/buzz/post?url=http://www.rgraph.net&imageurl=http://www.rgraph.net/images/logo.png', 'google_buzz_window', 'width=800,height=400,top=100,left=100'); return false">
 111                     <img src="../images/buzz.png" width="22" height="22" alt="Post to Google Buzz!" align="absmiddle" style="position: relative; top: -2px; border: 0" border="0"/>
 112                 </a>
 113
 114
 115                 <a title="Share RGraph on Facebook" href="" onclick="window.open('http://www.facebook.com/sharer.php?u=http://www.rgraph.net&t=RGraph:%20HTML5%20canvas%20graph%20library', 'facebook_window', 'width=500,height=300,top=100,left=100'); return false">
 116                     <img src="../images/facebook.png" width="22" height="22" alt="Post to Facebook" align="absmiddle" style="position: relative; top: -2px; border: 0" border="0"/>
 117                 </a>
 118
 119                 <a href="mailto:share@friendfeed.com" title="Share on FriendFeed">
 120                     <img src="../images/friendfeed.png" width="22" height="22" alt="Share on FriendFeed" border="0" align="absmiddle" />
 121                 </a>
 122
 123                 <a href="http://www.stumbleupon.com/submit?url=http://www.rgraph.net" target="_blank" title="Share on StumbleUpon" >
 124                     <img src="../images/stumble.png" alt="Stumble! this site" width="22" height="22" border="0" align="absmiddle" />
 125                 </a>
 126 -->
 127             </div>
 128     </div>
 129     <!-- /Social networking buttons -->
 130
 131     <div id="breadcrumb">
 132         <a href="../index.html">RGraph: HTML5 canvas graph library</a>
 133         >
 134         <a href="index.html">Documentation</a>
 135         >
 136         In-graph labels
 137     </div>
 138
 139     <h1>RGraph: HTML5 canvas graph library - In-graph labels</h1>
 140
 141     <script>
 142         if (RGraph.isIE8()) {
 143             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 graphs, 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://groups.google.com/group/rgraph/browse_thread/thread/c5651ff8c56b8f3c#" target="_blank">here</a> to see some screenshots.</div>');
 144         }
 145     </script>
 146
 147     <br />
 148
 149     <p>
 150         This page shows the various options for in-graph labels. The in-graph labels can be set like this:
 151     </p>
 152
 153     <pre class="code">obj.Set('chart.labels.ingraph', [,,'Hoolio',,'Olga']);</pre>
 154
 155     <p>
 156         Or like this if you want to be more specific:
 157     </p>
 158
 159     <pre class="code">obj.Set('chart.labels.ingraph', [,,<span style="color: green">['Hoolio', 'red', 'yellow', -1, 60]</span>,,'Olga']);</pre>
 160
 161     <p>
 162         The array can consist of:
 163     </p>
 164
 165     <ul>
 166         <li>The label text</li>
 167         <li>The text color</li>
 168         <li>The background color</li>
 169         <li>This can be 1 or -1 and denotes whether the label should be above or below the line. This has no effect in Bar charts</li>
 170         <li>The length of the label pointer/arrow</li>
 171     </ul>
 172
 173     <h4>Example line chart</h4>
 174
 175     <canvas id="line" width="600" height="250">[No canvas support]</canvas>
 176     <script>
 177         myGraph = new RGraph.Line('line', [4,5,6,3,2,5,6,4,2,4,1]);
 178         myGraph.Set('chart.title', 'Line chart with in-graph labels');
 179         myGraph.Set('chart.labels', ['Jim','Gail','Hoolio','Kev','Olga','Jimmy','Paul','Jake','John','Fred', 'Jobe']);
 180         myGraph.Set('chart.labels.ingraph', [,,['Hoolio', 'red', 'yellow', -1, 60],,'Olga']);
 181         myGraph.Draw();
 182     </script>
 183
 184     <h4>Example bar chart</h4>
 185
 186     <canvas id="bar" width="600" height="250">[No canvas support]</canvas>
 187     <script>
 188         myGraph = new RGraph.Bar('bar', [4,5,6,3,2,5,6,4,2,4,1]);
 189         myGraph.Set('chart.colors', ['#fcc']);
 190         myGraph.Set('chart.title', 'Bar chart with in-graph labels');
 191         myGraph.Set('chart.labels', ['Jim','Gail','Hoolio','Kev','Olga','Jimmy','Paul','Jake','John','Fred', 'Jobe']);
 192         myGraph.Set('chart.labels.ingraph', [,,['Hoolio', 'red', 'yellow', -1, 60],,'Olga']);
 193         myGraph.Draw();
 194     </script>
 195
 196     <h4>Example bar chart (arrow variant)</h4>
 197
 198     <canvas id="bar1" width="600" height="250">[No canvas support]</canvas>
 199     <script>
 200         myGraph = new RGraph.Bar('bar1', [4,5,6,3,2,5,6,4,2,4,1]);
 201         myGraph.Set('chart.colors', ['#fcc']);
 202         myGraph.Set('chart.title', 'Bar chart with in-graph labels (arrow variant)');
 203         myGraph.Set('chart.labels', ['Jim','Gail','Hoolio','Kev','Olga','Jimmy','Paul','Jake','John','Fred', 'Jobe']);
 204         myGraph.Set('chart.variant', 'arrow');
 205         myGraph.Set('chart.labels.ingraph', [,,['Hoolio', 'red', 'yellow', -1, 60],,'Olga']);
 206         myGraph.Draw();
 207     </script>
 208
 209
 210     <h4>Example bar chart (dot variant)</h4>
 211     <canvas id="bar2" width="600" height="250">[No canvas support]</canvas>
 212     <script>
 213         myGraph = new RGraph.Bar('bar2', [4,5,6,3,2,5,6,4,2,4,1]);
 214         myGraph.Set('chart.colors', ['#fcc']);
 215         myGraph.Set('chart.title', 'Bar chart with in-graph labels (dot variant)');
 216         myGraph.Set('chart.labels', ['Jim','Gail','Hoolio','Kev','Olga','Jimmy','Paul','Jake','John','Fred', 'Jobe']);
 217         myGraph.Set('chart.labels.ingraph', [6,['Foo', 'red', 'yellow', null, 75],3,'Bar']);
 218         myGraph.Set('chart.variant', 'dot');
 219         myGraph.Set('chart.labels.ingraph', [,,['Hoolio', 'red', 'yellow', -1, 60],,'Olga']);
 220         myGraph.Draw();
 221     </script>
 222
 223 </body>
 224 </html>