tests/zoom.html

   1 <html>
   2   <head>
   3     <title>noise</title>
   4     <!--[if IE]>
   5     <script type="text/javascript" src="excanvas.js"></script>
   6     <![endif]-->
   7     <script type="text/javascript" src="../strftime/strftime-min.js"></script>
   8     <script type="text/javascript" src="../rgbcolor/rgbcolor.js"></script>
   9     <script type="text/javascript" src="../dygraph-canvas.js"></script>
  10     <script type="text/javascript" src="../dygraph.js"></script>
  11     <script type="text/javascript" src="data.js"></script>
  12   </head>
  13   <body>
  14     <h3>Click the buttons to change the zoom level or just use the normal
  15     click-and drag.</h3>
  16     <h4>Window coordinates (in dates and values):</h4>
  17     <div id = "dimensions"></div>
  18     <div id="div_g" style="width:600px; height:300px;"></div>
  19
  20     <p><b>Zoom operations:</b></p>
  21     <p>
  22       <input type="button" value="Y (3,5)" onclick="zoomGraphY(3,5)">&nbsp;
  23       <input type="button" value="Y (0,4)" onclick="zoomGraphY(0,4)">&nbsp;
  24       <input type="button" value="Y (2,4)" onclick="zoomGraphY(2,4)">&nbsp;
  25       <input type="button" value="Y (0,2)" onclick="zoomGraphY(0,2)">&nbsp;
  26       <input type="button" value="Y (1,0)" onclick="zoomGraphY(1,0)">&nbsp;
  27       <br>
  28       <input type="button" value="Oct 8-13" onclick="zoomGraphX(1160261979962, 1163905694248)">&nbsp;
  29       <input type="button" value="Oct 22-28" onclick="zoomGraphX(1161489164461 , 1162008465957)">&nbsp;
  30       <input type="button" value="Oct 23-24" onclick="zoomGraphX(1161575878860, 1161660991675)">&nbsp;
  31       <input type="button" value="Oct 26 6AM-noon" onclick="zoomGraphX(1161770537840, 1161792063332)">&nbsp;
  32       <br>
  33       <input type="button" value="Unzoom" onclick="unzoomGraph()">&nbsp;
  34       </p>
  35
  36
  37     <script type="text/javascript">
  38       g = new Dygraph(
  39             document.getElementById("div_g"),
  40             NoisyData, {
  41               zoomCallback : function(a,b,c,d) { showDimensions(a,b,c,d); }
  42             }
  43           );
  44
  45       // TODO(konigsberg): Implement a visualization that verifies that initial
  46       // displays also show correctly.
  47
  48       // Pull an initial value for logging.
  49       var minDate = g.xAxisRange()[0];
  50       var maxDate = g.xAxisRange()[1];
  51       var minValue = g.yAxisRange()[0];
  52       var maxValue = g.yAxisRange()[1];
  53       showDimensions(minDate, maxDate, minValue, maxValue);
  54
  55       function showDimensions(minDate, maxDate, minValue, maxValue) {
  56         var elem = document.getElementById("dimensions");
  57         elem.innerHTML =
  58           "dateWindow : [" + minDate + " , "+ maxDate + "],<br>" +
  59           "valueRange : [" + minValue + " , "+ maxValue + "],";
  60       }
  61
  62       function zoomGraphX(minDate, maxDate) {
  63         g.doZoomXDates_(minDate, maxDate);
  64       }
  65
  66       function zoomGraphY(minValue, maxValue) {
  67         g.doZoomYValues_(minValue, maxValue);
  68       }
  69
  70       function unzoomGraph() {
  71         g.doUnzoom_();
  72       }
  73     </script>
  74
  75   </body>
  76 </html>