tests/zoom.html

   1 <!DOCTYPE html>
   2 <html>
   3   <head>
   4     <meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7; IE=EmulateIE9">
   5     <title>zoom</title>
   6     <!--[if IE]>
   7     <script type="text/javascript" src="../excanvas.js"></script>
   8     <![endif]-->
   9     <script type="text/javascript" src="../strftime/strftime-min.js"></script>
  10     <script type="text/javascript" src="../rgbcolor/rgbcolor.js"></script>
  11     <script type="text/javascript" src="../dygraph-canvas.js"></script>
  12     <script type="text/javascript" src="../dygraph.js"></script>
  13     <script type="text/javascript" src="data.js"></script>
  14   </head>
  15   <body>
  16     <h3>Click the buttons to change the zoom level or just use the normal
  17     click-and drag. While zoom typically works by click-and-drag, the
  18     buttons are useful for testing.</h3>
  19     <h4>Window coordinates (in dates and values):</h4>
  20     <div id="xdimensions"></div> <div id="ydimensions"></div>
  21     <div style="float: right">
  22         <p>Zoomed: <span id="zoomed">False</span><p/>
  23         <p>Zoomed X: <span id="zoomedX">False</span><p/>
  24         <p>Zoomed Y: <span id="zoomedY">False</span><p/>
  25     </div>
  26     <div id="div_g" style="width:600px; height:300px;"></div>
  27
  28
  29     <p><b>Zoom operations:</b></p>
  30     <p>
  31       <input type="button" value="Y (3,5)" onclick="zoomGraphY(3,5)">&nbsp;
  32       <input type="button" value="Y (0,4)" onclick="zoomGraphY(0,4)">&nbsp;
  33       <input type="button" value="Y (2,4)" onclick="zoomGraphY(2,4)">&nbsp;
  34       <input type="button" value="Y (0,2)" onclick="zoomGraphY(0,2)">&nbsp;
  35       <input type="button" value="Y (0,1)" onclick="zoomGraphY(0,1)">&nbsp;
  36       <br> <br>
  37       <input type="button" value="Oct 8-13" onclick="zoomGraphX(1160261979962, 1163905694248)">&nbsp;
  38       <input type="button" value="Oct 22-28" onclick="zoomGraphX(1161489164461 , 1162008465957)">&nbsp;
  39       <input type="button" value="Oct 23-24" onclick="zoomGraphX(1161575878860, 1161660991675)">&nbsp;
  40       <input type="button" value="Oct 26 6AM-noon" onclick="zoomGraphX(1161770537840, 1161792063332)">&nbsp;
  41       <br> <br>
  42       <input type="button" value="Unzoom" onclick="unzoomGraph()">&nbsp;
  43       <br> <br>
  44       <input type="button" value="pan frame null" onclick="panEdgeFraction(null)">&nbsp;
  45       <input type="button" value="pan frame 0.1" onclick="panEdgeFraction(0.1)">&nbsp;
  46       <input type="button" value="pan frame 0.5" onclick="panEdgeFraction(0.5)">&nbsp;
  47       </p>
  48
  49
  50     <script type="text/javascript">
  51       g = new Dygraph(
  52             document.getElementById("div_g"),
  53             NoisyData, {
  54               errorBars: true,
  55               zoomCallback : function(minDate, maxDate, yRange) {
  56                 showDimensions(minDate, maxDate, yRange);
  57               },
  58               drawCallback: function(me, initial) {
  59                 document.getElementById("zoomed").innerHTML = "" + me.isZoomed();
  60                 document.getElementById("zoomedX").innerHTML = "" + me.isZoomed("x");
  61                 document.getElementById("zoomedY").innerHTML = "" + me.isZoomed("y");
  62               }
  63             }
  64           );
  65
  66       // TODO(konigsberg): Implement a visualization that verifies that initial
  67       // displays also show correctly.
  68
  69       // Pull an initial value for logging.
  70       var minDate = g.xAxisRange()[0];
  71       var maxDate = g.xAxisRange()[1];
  72       var minValue = g.yAxisRange()[0];
  73       var maxValue = g.yAxisRange()[1];
  74       showDimensions(minDate, maxDate, [minValue, maxValue]);
  75
  76       function showDimensions(minDate, maxDate, yRanges) {
  77         showXDimensions(minDate, maxDate);
  78         showYDimensions(yRanges);
  79       }
  80
  81       function showXDimensions(first, second) {
  82         var elem = document.getElementById("xdimensions");
  83         elem.innerHTML = "dateWindow : [" + first + ", "+ second + "]";
  84       }
  85
  86       function showYDimensions(ranges) {
  87         var elem = document.getElementById("ydimensions");
  88         elem.innerHTML = "valueRange : [" + ranges + "]";
  89       }
  90
  91       function zoomGraphX(minDate, maxDate) {
  92         g.updateOptions({
  93           dateWindow: [minDate, maxDate]
  94         });
  95         showXDimensions(minDate, maxDate);
  96       }
  97
  98       function zoomGraphY(minValue, maxValue) {
  99         g.updateOptions({
 100           valueRange: [minValue, maxValue]
 101         });
 102         showYDimensions(g.yAxisRanges());
 103       }
 104
 105       function unzoomGraph() {
 106         g.updateOptions({
 107           dateWindow: null,
 108           valueRange: null
 109         });
 110       }
 111
 112       function panEdgeFraction(value) {
 113         g.updateOptions({ panEdgeFraction : value });
 114       }
 115     </script>
 116
 117   </body>
 118 </html>