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diff --git a/schall/static/RGraph/docs/zoom.html b/schall/static/RGraph/docs/zoom.html new file mode 100644 index 0000000..bda5490 --- /dev/null +++ b/schall/static/RGraph/docs/zoom.html @@ -0,0 +1,332 @@ +<!DOCTYPE html> +<html> +<head> + <meta http-equiv="X-UA-Compatible" content="chrome=1"> + <!-- + /** + * o------------------------------------------------------------------------------o + * | This file is part of the RGraph package - you can learn more at: | + * | | + * | http://www.rgraph.net | + * | | + * | This package is licensed under the RGraph license. For all kinds of business | + * | purposes there is a small one-time licensing fee to pay and for non | + * | commercial purposes it is free to use. You can read the full license here: | + * | | + * | http://www.rgraph.net/LICENSE.txt | + * o------------------------------------------------------------------------------o + */ + --> + <title>RGraph: HTML5 Javascript charts library - Zooming your charts</title> + + <meta name="keywords" content="rgraph html5 canvas chart docs zoom" /> + <meta name="description" content="RGraph: HTML5 Javascript charts library - Documentation about zooming your charts" /> + + <meta property="og:title" content="RGraph: HTML5 Javascript charts library" /> + <meta property="og:description" content="A charts library based on the HTML5 canvas tag" /> + <meta property="og:image" content="http://www.rgraph.net/images/logo.jpg"/> + + <link rel="stylesheet" href="../css/website.css" type="text/css" media="screen" /> + <link rel="icon" type="image/png" href="../images/favicon.png"> + + <!-- Place this tag in your head or just before your close body tag --> + <script type="text/javascript" src="https://apis.google.com/js/plusone.js"></script> + + <script src="../libraries/RGraph.common.core.js" ></script> + <script src="../libraries/RGraph.common.annotate.js" ></script> + <script src="../libraries/RGraph.common.context.js" ></script> + <script src="../libraries/RGraph.common.zoom.js" ></script> + <script src="../libraries/RGraph.bar.js" ></script> + <script src="../libraries/RGraph.line.js" ></script> + <!--[if IE 8]><script src="../excanvas/excanvas.original.js"></script><![endif]--> + + <style> + .RGraph_zoom_window { + border: 2px solid #ccc ! important; + box-shadow: 0 0 15px #aaa ! important;; + -moz-box-shadow: 0 0 15px #aaa ! important; + -webkit-box-shadow: 0 0 15px #aaa ! important; + } + </style> + + <script> + var _gaq = _gaq || []; + _gaq.push(['_setAccount', 'UA-54706-2']); + _gaq.push(['_trackPageview']); + + (function() { + var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; + ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js'; + var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); + })(); + </script> + +</head> + +<body> + + + <!-- Social networking buttons --> + <div id="social_icons" class="warning" style="border-radius: 10px; top: 1px; position: fixed; width: 120px; height: 20px"> + <!-- <a title="Bookmark with delicious" href="http://delicious.com/save?jump=close&v=4&noui&jump=close&url=http://www.rgraph.net¬es=RGraph%20is%20a%20HTML5%20based%20javascript%20charts%20library%20supporting%20a%20wide%20range%20of%20different%20chart%20types&title=RGraph:%20Javascript%20charts%20%26%20graph%20library" target="_blank"><img src="../images/delicious.png" alt="Bookmark with delicious" width="22" height="22" border="0" style="position: relative; top: 1px" /></a> --> + <a href="http://twitter.com/home/?status=RGraph%3A%20Javascript+charts+library+http%3A%2F%2Fwww.rgraph.net+%23rgraph+%23html5+%23canvas+%23javascript+%23charts+@_rgraph" target="_blank" title="Mention RGraph on Twitter"><img src="../images/twitter.png" alt="Mention RGraph on Twitter"/></a> + <iframe src="http://www.facebook.com/plugins/like.php?app_id=253862424642173&href=http%3A%2F%2Fwww.rgraph.net&send=false&layout=button_count&width=450&show_faces=false&action=like&colorscheme=light&font=arial&height=21" scrolling="no" frameborder="0" style="width: 80px; height:21px; position: relative; top: 1px"></iframe> + </div> + + <script> + // Opera fix + if (navigator.userAgent.indexOf('Opera') == -1) { + document.getElementById("social_icons").style.position = 'fixed'; + } + </script> + + <div id="google_plusone"> + <!-- Place this tag where you want the +1 button to render --> + <g:plusone href="http://www.rgraph.net"></g:plusone> + </div> + <!-- Social networking buttons --> + + <div id="breadcrumb"> + <a href="../index.html">RGraph: HTML5 Javascript charts library</a> + > + <a href="index.html">Documentation</a> + > + Zooming your charts + </div> + + <h1>RGraph: <span>HTML5 Javascript charts library</span> - Zooming your charts</h1> + + <script> + if (RGraph.isIE8()) { + 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.</div>'); + } + </script> + + + <ul> + <li><a href="#canvas">Canvas mode</a></li> + <li><a href="#thumbnail">Thumbnail mode</a></li> + <li><a href="#area">Area mode</a></li> + </ul> + + + <a name="canvas"></a> + <h2>Canvas mode</h2> + + <table border="0" width="100%"> + <tr> + <td> + <p> + As of November 2009 RGraph has had the ability to provide a zoom facility. It's designed to be used in + conjunction with a context menu as in the example to the right. + </p> + + <p> + You can control the zoom using these properties: + </p> + + <ul> + <li>chart.zoom.mode<i>Default: canvas</i></li> + <li>chart.zoom.factor<i>Default: 1.5</i></li> + <li>chart.zoom.fade.in <i>Default: true</i></li> + <li>chart.zoom.fade.out <i>Default: true</i></li> + <li>chart.zoom.hdir <i>Default: right</i></li> + <li>chart.zoom.vdir <i>Default: down</i></li> + <li>chart.zoom.delay <i>Default: 50</i></li> + <li>chart.zoom.frames <i>Default: 10</i></li> + <li>chart.zoom.shadow <i>Default: true</i></li> + <li>chart.zoom.mode <i>Default: canvas</i></li> + <li>chart.zoom.thumbnail.width <i>Default: 75</i></li> + <li>chart.zoom.thumbnail.height <i>Default: 75</i></li> + <li>chart.zoom.background <i>Default: true</i></li> + </ul> + </td> + + <td style="text-align: center"> + <canvas width="600" height="250" id="myc">[No canvas support]</canvas> + </td> + </tr> + + <tr> + <td colspan="2"> + The possible values of <i>chart.zoom.hdir</i> are: <i>left</i>, <i>center</i>, <i>right</i>. + The possible values of <i>chart.zoom.vdir</i> are: <i>up</i>, <i>center</i>, <i>down</i>. <i>chart.zoom.delay</i> + is the delay in between frames (in milliseconds) and <i>chart.zoom.frames</i> is the number of frames in the zoom. <i>chart.zoom.shadow</i> + is whether the zoomed canvas has a shadow or not. The possible values of <i>chart.zoom.mode</i> are <i>canvas</i> (default) + and <i>thumbnail</i>. + </td> + </tr> + </table> + + <script> + window.onload = function () + { + var graph = new RGraph.Bar('myc', [[4,6],[6, 8],[8,6],[7,5],[9,4],[4,7],[3,5],[8,6],[7,6],[4,7],[5,4],[5,6],[6,4]]); + graph.Set('chart.colors', ['#f66', '#66f']); + graph.Set('chart.strokecolor', 'rgba(0,0,0,0)'); + graph.Set('chart.labels', ['Fry','Hav','Jim','Moo','Io','Olga','Tim','Gaz','Jake','Pippa','Lou','Fred','John']); + + if (!RGraph.isIE8()) { + graph.Set('chart.contextmenu', [ + ['Clear annotations', function () {RGraph.Clear(graph.canvas); graph.Draw();}], + ['Zoom in', RGraph.Zoom] + ]); + graph.Set('chart.annotatable', true); + graph.Set('chart.zoom.hdir', 'left'); + graph.Set('chart.zoom.factor', 1.5); + graph.Set('chart.zoom.vdir', 'center'); + graph.Set('chart.zoom.frames', 50); // Number of frames + graph.Set('chart.zoom.delay', 5); // Delay between each frame + graph.Set('chart.zoom.shadow', 'rgba(0,0,0,0.7)'); // Show a shadow on the zoomed chart + graph.Set('chart.zoom.background', true); + } + + graph.Set('chart.title', 'Chart with zoom (context, annotatable)'); + graph.Set('chart.shadow', true); + graph.Set('chart.shadow.color', '#999'); + graph.Draw(); + + var myLine = new RGraph.Line('myc2', [40,48,45,64,34,22,23,56,56,54,84,44], [4,5,6,7,20,21,1,9,9,8,5,4]); + myLine.Set('chart.labels', ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']); + myLine.Set('chart.hmargin', 10); + myLine.Set('chart.linewidth', 3); + myLine.Set('chart.title', 'A sample line chart'); + myLine.Set('chart.colors', ['red', 'black']); + myLine.Set('chart.shadow', true); + + if (!RGraph.isIE8()) { + myLine.Set('chart.contextmenu', [['Zoom entire chart', RGraph.Zoom]]); + myLine.Set('chart.zoom.delay', 15); + myLine.Set('chart.zoom.factor', 1.5); + myLine.Set('chart.zoom.mode', 'thumbnail'); + myLine.Set('chart.zoom.vdir', 'center'); + myLine.Set('chart.zoom.thumbnail.width', 100); + myLine.Set('chart.zoom.thumbnail.height', 100); + } + myLine.Draw(); + + myLine2 = new RGraph.Line('myc3', [15,30,62,26,46,86,48,51,51,35,32, 35]); + myLine2.Set('chart.background.grid.width', 0.5); + myLine2.Set('chart.shadow.offsetx', 1); + myLine2.Set('chart.shadow.offsety', 1); + myLine2.Set('chart.shadow.blur', 2); + myLine2.Set('chart.shadow', true); + myLine2.Set('chart.zoom.mode', 'area'); + myLine2.Set('chart.hmargin', 10); + myLine2.Set('chart.linewidth', 2); + myLine2.Set('chart.title', 'A chart with zoom in area mode'); + myLine2.Set('chart.tickmarks', 'endcircle'); + myLine2.Set('chart.labels', ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']); + myLine2.Draw(); + } + </script> + + <br clear="all" /> + + <pre class="code"> +<script> + var graph = new RGraph.Line('myc', [4,6,8,7,9,4,3,8,7,4,5,5,5]); + graph.Set('chart.labels', ['Fry','Hav','Jim','Moo','Io','Olga','Tim','Gaz','Jake','Pippa','Lou','Fred','John']); + graph.Set('chart.contextmenu', [ + ['Clear annotations', function () {RGraph.Clear(graph.canvas); graph.Draw();}], + ['Zoom in', RGraph.Zoom] + ]); + graph.Set('chart.title', 'Chart with zoom (context, annotatable)'); + graph.Set('chart.shadow', true); + graph.Set('chart.annotatable', true); + graph.Draw(); +</script> +</pre> + + + <a name="thumbnail"></a> + <h2>Thumbnail mode</h2> + + <canvas id="myc2" width="600" height="250" style="float: left">[No canvas support]</canvas> + + <p> + The zoom has an alternative thumbnail mode, which displays a small thumbnail zoom instead of zooming the entire canvas. + The chart to the left shows an example of this. + </p> + + <p> + It uses some of the same properties as the regular zoom, eg <i>chart.fade.in</i>, <i>chart.fade.out</i>, <i>chart.zoom.shadow</i> + </p> + + <br clear="all" /> + + <pre class="code"> +<script> + var myLine = new RGraph.Line('myc2', [40,48,45,64,34,22,23,56,56,54,84,44], [4,5,6,7,20,21,1,9,9,8,5,4]); + myLine.Set('chart.labels', ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']); + myLine.Set('chart.hmargin', 10); + myLine.Set('chart.linewidth', 3); + myLine.Set('chart.title', 'A sample line chart'); + myLine.Set('chart.zoom.mode', 'thumbnail'); + myLine.Set('chart.zoom.vdir', 'center'); + myLine.Set('chart.zoom.thumbnail.width', 100); + myLine.Set('chart.zoom.thumbnail.height', 100); + myLine.Set('chart.colors', ['red', 'black']); + myLine.Set('chart.shadow', true); + myLine.Set('chart.contextmenu', [['Zoom entire chart', RGraph.Zoom]]); +</script> +</pre> + + <p> + <b>Making the zoom circular</b><br /><br /> + <img src="../images/border-radius.png" width="171" height="159" alt="A circular zoom window" style="float: right; border: 1px gray solid" /> + It is possible to make the zoom in area mode circular by utilising the <i>border-radius</i> CSS property. Currently support for + this is limited to FireFox 4b7+ and MSIE9, so it's not part of the main RGraph software. The CSS ncessary to achieve this is + thus: + </p> + + <pre class="code" style="width: 700px" /> +<style> + .RGraph_zoom_window { + border-radius: 50px ! important; + } +</style> +</pre> + + This a chart demonstrating this technique <a href="zoom_thumbnail.html">here</a>. Note that browser support for this technique is limited. + + <br clear="all" /> + + + <a name="area"></a> + <h2>Area mode</h2> + + <canvas id="myc3" width="600" height="250" style="float: right">[No canvas support]</canvas> + + <p> + Another type of zoom available is <i>area</i>. This is somewhat similar to thumbnail, but allows you to draw a rectangle around + the specific area that you want to zoom. + </p> + + <p> + Again, this uses some common zoom properties, such as <i>chart.zoom.factor</i>. + </p> + + <p> + Once visible, you can drag the zoomed area around with the left mouse button (a left drag), and drag the zoomed canvas around + within the zoom by using the right mouse button (a right-drag). And a double click will expand the zoomed area to cover the + whole canvas. + </p> + + <br clear="all" /> + + <pre class="code"> +<script> + var myLine = new RGraph.Line('myc3', [15,30,62,26,46,86,48,51,51,35,32, 35]); + myLine.Set('chart.zoom.mode', 'area'); + myLine.Set('chart.hmargin', 10); + myLine.Set('chart.linewidth', 1); + myLine.Set('chart.title', 'A chart with zoom in area mode'); + myLine.Set('chart.tickmarks', 'endcircle'); + myLine.Set('chart.labels', ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']); + myLine.Draw(); +<script> +</pre> + +</body> +</html>
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