public/javascripts/jqplot/examples/bubbleChart.html

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  31   <a href="bubble-plots.html">Previous</a> <a href="./">Examples</a> <a href="candlestick-charts.html">Next</a></div>
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  36   <style type="text/css">
  37     .jqplot-target {
  38         margin-bottom: 2em;
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  41     .note {
  42         font-size: 0.8em;
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  45     #tooltip1b {
  46         font-size: 12px;
  47         color: rgb(15%, 15%, 15%);
  48         padding:2px;
  49         background-color: rgba(95%, 95%, 95%, 0.8);
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  52     #legend1b {
  53         font-size: 12px;
  54         border: 1px solid #cdcdcd;
  55         border-collapse: collapse;
  56     }
  57     #legend1b td, #legend1b th {
  58         border: 1px solid #cdcdcd;
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  63
  64  <p>Bubble charts represent 3 dimensional data.  Data is passed in to a bubble chart as a series of [x, y, radius, &lt;label or object&gt;].  The optional fourth element of the data point can either be either a label string or an object having 'label' and/or 'color' properties to assign to the bubble.</p>
  65
  66 <p>By default, all bubbles are scaled according to the size of the plot area.  The radius value in the data point will be adjusted to fit the bubbles in the chart.  If the "autoscaleBubbles" option is set to false, the radius value in the data will be taken as a literal pixel value for the radius of the points.</p>
  67
  68 <p>The below chart show basic customization of bubble appearance with the "bubbleAlpha" and "highlightAlpha" options.</p>
  69
  70 <div id="chart1" class="plot" style="width:460px;height:340px;"></div>
  71 <pre class="code brush:js"></pre>
  72
  73 <div style="position:absolute;z-index:99;display:none;" id="tooltip1b"></div>
  74
  75 <table><tr>
  76     <td><div id="chart1b" class="plot" style="width:460px;height:340px;"></div></td>
  77     <td><div style="height:340px;"><table id="legend1b"><tr><th>Company</th><th>R Value</th></tr></table></div></td>
  78 </tr></table>
  79 <pre class="code brush:js"></pre>
  80
  81 <p>Below is a basic bubble chart showing usage of the optional label and color properties passed in with the data.</p>
  82
  83 <div id="chart1c" class="plot" style="width:460px;height:340px;"></div>
  84 <pre class="code brush:js"></pre>
  85
  86 <p>The next chart uses the "bubbleGradients: true" option to specify gradient fills on the bubbles.  Radial gradients are not supported in IE<sup>*</sup> and will be automatically disabled.</p>
  87
  88 <div id="chart2" class="plot" style="width:460px;height:340px;"></div>
  89
  90 <p class="note"><sup>*</sup>Radial gradients are not supported in IE 7 and IE 8 because they are not supported in the excanvas emulation layer used by jqPlot to render charts in IE 7 and IE 8.  jqPlot renders charts using the HTML canvas element which is supported by nearly every browser including IE 9.  Excanvas translates the canvas rendering to VML rendering for IE 7 and 8, but unfortunately does not properly handle radial gradients.</p>
  91
  92 <pre class="code brush:js"></pre>
  93
  94 <p>The following bubble chart shows the "autoscalePointsFactor" and "autoscaleMultiplier" options which can be used to control bubble scaling.  The "autoscalePointsFactor" options controls bubble scaling with the number of points on the plot.  A negative value will decrease bubble size and number of bubbles increases.  The "autoscaleMultiplier" will makes all bubbles larger or smaller for values greater  or less than 1.0.</p>
  95
  96 <p>This chart also demonstrates some of the highlighting options.  Bubble highlighting is controlled with the "highlightMouseOver" and "highlightMouseDown" boolean options.  Here the "highlightMouseDown: true" option is set which causes the plot to highlight on mousedown (click).  This automatically sets the "highlightMouseOver" option to false.</p>
  97
  98 <p>Events are also trigger with plot interaction.  Specifically, "jqplotDataHighlight", "jqplotDataUnhighlight", "jqplotDataClick" and "jqplotDataRightClick" events are triggered.  Handlers are passed an event object, the series index, the point index, and the bubble data.</p>
  99
 100 <div id="chart3" class="plot" style="width:600px;height:400px;"></div>
 101 <pre class="code brush:js"></pre>
 102
 103 <script class="code" language="javascript" type="text/javascript">$(document).ready(function(){
 104
 105     var arr = [[11, 123, 1236, "Acura"], [45, 92, 1067, "Alfa Romeo"],
 106     [24, 104, 1176, "AM General"], [50, 23, 610, "Aston Martin Lagonda"],
 107     [18, 17, 539, "Audi"], [7, 89, 864, "BMW"], [2, 13, 1026, "Bugatti"]];
 108
 109     plot1 = $.jqplot('chart1',[arr],{
 110         title: 'Transparent Bubbles',
 111         seriesDefaults:{
 112             renderer: $.jqplot.BubbleRenderer,
 113             rendererOptions: {
 114                 bubbleAlpha: 0.6,
 115                 highlightAlpha: 0.8
 116             },
 117             shadow: true,
 118             shadowAlpha: 0.05
 119         }
 120     });
 121 });</script>
 122
 123 <script class="code" language="javascript" type="text/javascript">$(document).ready(function(){
 124
 125     var arr = [[11, 123, 1236, "Acura"], [45, 92, 1067, "Alfa Romeo"],
 126     [24, 104, 1176, "AM General"], [50, 23, 610, "Aston Martin Lagonda"],
 127     [18, 17, 539, "Audi"], [7, 89, 864, "BMW"], [2, 13, 1026, "Bugatti"]];
 128
 129     plot1b = $.jqplot('chart1b',[arr],{
 130         title: 'Tooltip and Custom Legend Highlighting',
 131         seriesDefaults:{
 132             renderer: $.jqplot.BubbleRenderer,
 133             rendererOptions: {
 134                 bubbleAlpha: 0.6,
 135                 highlightAlpha: 0.8,
 136                 showLabels: false
 137             },
 138             shadow: true,
 139             shadowAlpha: 0.05
 140         }
 141     });
 142
 143     // Legend is a simple table in the html.
 144     // Now populate it with the labels from each data value.
 145     $.each(arr, function(index, val) {
 146         $('#legend1b').append('<tr><td>'+val[3]+'</td><td>'+val[2]+'</td></tr>');
 147     });
 148
 149     // Now bind function to the highlight event to show the tooltip
 150     // and highlight the row in the legend.
 151     $('#chart1b').bind('jqplotDataHighlight',
 152         function (ev, seriesIndex, pointIndex, data, radius) {
 153             var chart_left = $('#chart1b').offset().left,
 154                 chart_top = $('#chart1b').offset().top,
 155                 x = plot1b.axes.xaxis.u2p(data[0]),  // convert x axis unita to pixels on grid
 156                 y = plot1b.axes.yaxis.u2p(data[1]);  // convert y axis units to pixels on grid
 157             var color = 'rgb(50%,50%,100%)';
 158             $('#tooltip1b').css({left:chart_left+x+radius+5, top:chart_top+y});
 159             $('#tooltip1b').html('<span style="font-size:14px;font-weight:bold;color:'+color+';">' +
 160             data[3] + '</span><br />' + 'x: '+data[0] + '<br />' + 'y: ' +
 161             data[1] + '<br />' + 'r: ' + data[2]);
 162             $('#tooltip1b').show();
 163             $('#legend1b tr').css('background-color', '#ffffff');
 164             $('#legend1b tr').eq(pointIndex+1).css('background-color', color);
 165         });
 166
 167     // Bind a function to the unhighlight event to clean up after highlighting.
 168     $('#chart1b').bind('jqplotDataUnhighlight',
 169         function (ev, seriesIndex, pointIndex, data) {
 170             $('#tooltip1b').empty();
 171             $('#tooltip1b').hide();
 172             $('#legend1b tr').css('background-color', '#ffffff');
 173         });
 174 });</script>
 175
 176 <script class="code" language="javascript" type="text/javascript">$(document).ready(function(){
 177
 178     var arr = [[11, 123, 1236, {label:"Acura", color:'sandybrown'}],
 179     [45, 92, 1067, {label:"Alfa Romeo", color:'skyblue'}],
 180     [24, 104, 1176, {label:"AM General", color:"salmon"}], [50, 23, 610, {color:"papayawhip"}],
 181     [18, 17, 539, "Audi"], [7, 89, 864], [2, 13, 1026, "Bugatti"]];
 182
 183     plot1c = $.jqplot('chart1c',[arr],{
 184         title: 'Bubble Data Customizations',
 185         seriesDefaults:{
 186             renderer: $.jqplot.BubbleRenderer
 187         }
 188     });
 189
 190 });</script>
 191
 192 <script class="code" language="javascript" type="text/javascript">$(document).ready(function(){
 193
 194     var arr = [[11, 123, 1236, "Acura"], [45, 92, 1067, "Alfa Romeo"],
 195     [24, 104, 1176, "AM General"], [50, 23, 610, "Aston Martin Lagonda"],
 196     [18, 17, 539, "Audi"], [7, 89, 864, "BMW"], [2, 13, 1026, "Bugatti"]];
 197
 198     plot2 = $.jqplot('chart2',[arr],{
 199         title: 'Bubble Gradient Fills*',
 200         seriesDefaults:{
 201             renderer: $.jqplot.BubbleRenderer,
 202             rendererOptions: {
 203                 bubbleGradients: true
 204             },
 205             shadow: true
 206         }
 207     });
 208
 209 });</script>
 210
 211 <script class="code" language="javascript" type="text/javascript">$(document).ready(function(){
 212
 213     var arr = [[44, 66, 897, "Acura"], [25, 40, 1119, "Alfa Romeo"], [2, 33, 1197, "AM General"],
 214     [4, 132, 896, "Aston Martin Lagonda"], [2, 129, 314, "Audi"], [14, 47, 612, "BMW"],
 215     [45, 112, 719, "Bugatti"], [11, 38, 785, "Buick"], [15, 39, 367, "Cadillac"],
 216     [6, 133, 726, "Chevrolet"], [48, 84, 1082, "Citroen"], [40, 18, 1047, "DaimlerChrysler Corporation"],
 217     [24, 107, 1065, "Daewoo Motor Co."], [27, 92, 792, "Delorean Motor Company"], [1, 78, 803, "Dodge"],
 218     [5, 149, 320, "Ferrari"], [11, 127, 497, "Fiat"], [14, 18, 805, "Ford Motor Company"],
 219     [9, 101, 394, "General Motors"], [16, 57, 338, "GMC"], [19, 89, 977, "Holden"],
 220     [35, 78, 464, "Honda"], [18, 130, 364, "Hummer"], [37, 20, 699, "Hyundai"],
 221     [33, 140, 457, "Infiniti"], [12, 122, 533, "Isuzu"], [25, 67, 767, "Jaguar Cars"],
 222     [0, 7, 481, "Jeep"], [38, 36, 611, "Jensen Motors"], [43, 91, 943, "Kia"], [45, 21, 569, "Laforza"]];
 223
 224     plot3 = $.jqplot('chart3',[arr],{
 225         title: 'Bubble Auto Scaling Options',
 226         seriesDefaults:{
 227             renderer: $.jqplot.BubbleRenderer,
 228             rendererOptions: {
 229                 autoscalePointsFactor: -0.15,
 230                 autoscaleMultiplier: 0.85,
 231                 highlightMouseDown: true,
 232                 bubbleAlpha: 0.7
 233             },
 234             shadow: true,
 235             shadowAlpha: 0.05
 236         }
 237     });
 238
 239 });</script>
 240
 241
 242 <!-- End example scripts -->
 243
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 245
 246
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