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