Exhibit/BarChart View

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To add bar charts to your exhibit, you must include the chart extension (after you include exhibit-api.js):

 <script src="http://api.simile-widgets.org/exhibit/2.2.0/extensions/chart/chart-extension.js"></script>

To include a barchar view, add to your HTML

 <div ex:role="view"
   ex:viewClass="Exhibit.BarChartView"
   ex:itemTypes=".type"
   ex:label="Bar Chart Title"
   ex:x=".aggregation_expression"
   ex:xLabel="X Axe Label"
   ex:y=".aggregation_expression"
   ex:yLabel="Y Axe Label">
 </div>

The aggregation_expression can be any valid expression, e.g. typically value or count(!attribute).

For an example see the Nobelist Exhibit.