diff options
| author | Pliable Pixels <pliablepixels@gmail.com> | 2016-10-28 13:31:36 -0700 |
|---|---|---|
| committer | Pliable Pixels <pliablepixels@gmail.com> | 2016-10-28 13:31:36 -0700 |
| commit | 05e761abca3ff42dbba371af0560b82707dfe7c0 (patch) | |
| tree | 268cc06b931357a0ffad684961ff6d24eeec3b4b /www/lib/vis/examples/graph3d/playground/datasource.html | |
| parent | 55a9e628760dc31400457099e4aaabc767beed70 (diff) | |
updated vis
Diffstat (limited to 'www/lib/vis/examples/graph3d/playground/datasource.html')
| -rw-r--r-- | www/lib/vis/examples/graph3d/playground/datasource.html | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/www/lib/vis/examples/graph3d/playground/datasource.html b/www/lib/vis/examples/graph3d/playground/datasource.html new file mode 100644 index 00000000..7a593604 --- /dev/null +++ b/www/lib/vis/examples/graph3d/playground/datasource.html @@ -0,0 +1,173 @@ +<html> + +<head> + <title>Graph3d documentation</title> + <link rel='stylesheet' href='default.css' type='text/css'> + + <link href="prettify/prettify.css" type="text/css" rel="stylesheet" /> + <script type="text/javascript" src="prettify/prettify.js"></script> +<script>(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)})(window,document,'script','//www.google-analytics.com/analytics.js','ga');ga('create', 'UA-61231638-1', 'auto');ga('send', 'pageview');</script></head> + +<body onload="prettyPrint();"> + +<pre class="prettyprint lang-php"> +<?php + +/* +This datasource returns a response in the form of a google query response + +USAGE +All parameters are optional +datasource.php?xmin=0&xmax=314&xstepnum=25&ymin=0&ymax=314&ystepnum=25 + +DOCUMENTATION +http://code.google.com/apis/visualization/documentation/dev/implementing_data_source.html + + +EXAMPLE OF A RESPONSE FILE + +Note that the reqId in the response must correspond with the reqId from the +request. +________________________________________________________________________________ + +google.visualization.Query.setResponse({ + version:'0.6', + reqId:'0', + status:'ok', + table:{ + cols:[ + {id:'x', + label:'x', + type:'number'}, + {id:'y', + label:'y', + type:'number'}, + {id:'value', + label:'value', + type:'number'} + ], + rows:[ + {c:[{v:0}, {v:0}, {v:10.0}]}, + {c:[{v:1}, {v:0}, {v:12.0}]}, + {c:[{v:2}, {v:0}, {v:13.0}]}, + {c:[{v:0}, {v:1}, {v:11.0}]}, + {c:[{v:1}, {v:1}, {v:14.0}]}, + {c:[{v:2}, {v:1}, {v:11.0}]} + ] + } +}); +________________________________________________________________________________ + +*/ + + +/** + * A custom function + */ +function custom($x, $y) { + $d = sqrt(pow($x/100, 2) + pow($y/100, 2)); + + return 50 * exp(-5 * $d / 10) * sin($d*5) +} + + + + +// retrieve parameters +$default_stepnum = 25; + +$xmin = isset($_REQUEST['xmin']) ? (float)$_REQUEST['xmin'] : -100; +$xmax = isset($_REQUEST['xmax']) ? (float)$_REQUEST['xmax'] : 100; +$xstepnum = isset($_REQUEST['xstepnum']) ? (int)$_REQUEST['xstepnum'] : $default_stepnum; + +$ymin = isset($_REQUEST['ymin']) ? (float)$_REQUEST['ymin'] : -100; +$ymax = isset($_REQUEST['ymax']) ? (float)$_REQUEST['ymax'] : 100; +$ystepnum = isset($_REQUEST['ystepnum']) ? (int)$_REQUEST['ystepnum'] : $default_stepnum; + +// in the reply we must fill in the request id that came with the request +$reqId = getReqId(); + +// check for a maximum number of datapoints (for safety) +if ($xstepnum * $ystepnum > 10000) { + echo "google.visualization.Query.setResponse({ + version:'0.6', + reqId:'$reqId', + status:'error', + errors:[{reason:'not_supported', message:'Maximum number of datapoints exceeded'}] + });"; + + exit; +} + + +// output the header part of the response +echo "google.visualization.Query.setResponse({ + version:'0.6', + reqId:'$reqId', + status:'ok', + table:{ + cols:[ + {id:'x', + label:'x', + type:'number'}, + {id:'y', + label:'y', + type:'number'}, + {id:'value', + label:'', + type:'number'} + ], + rows:["; + +// output the actual values +$first = true; +$xstep = ($xmax - $xmin) / $xstepnum; +$ystep = ($ymax - $ymin) / $ystepnum; +for ($x = $xmin; $x < $xmax; $x+=$xstep) { + for ($y = $ymin; $y < $ymax; $y+=$ystep) { + $value = custom($x,$y); + + if (!$first) { + echo ",\n"; + } + else { + echo "\n"; + } + echo " {c:[{v:$x}, {v:$y}, {v:$value}]}"; + + $first = false; + } +} + + +// output the end part of the response +echo " + ] + } +}); +"; + + +/** + * Retrieve the request id from the get/post data + * @return {number} $reqId The request id, or 0 if not found + */ +function getReqId() { + $reqId = 0; + + foreach ($_REQUEST as $req) { + if (substr($req, 0,6) == "reqId:") { + $reqId = substr($req, 6); + } + } + + return $reqId; +} + + +?> + +</pre> + +</body> +</html> |