AreaChart.js

loadJSON: function( json )

Loads JSON data into the visualization.

Parameters

Example

var areaChart = new $jit.AreaChart(options);
areaChart.loadJSON(json);

updateJSON: function( json, onComplete )

Use this method when updating values for the current JSON data.  If the items specified by the JSON data already exist in the graph then their values will be updated.

Parameters

Example

areaChart.updateJSON(json, {
  onComplete: function() {
    alert('update complete!');
  }
});

filter: function( filters, callback )

Filter selected stacks, collapsing all other stacks.  You can filter multiple stacks at the same time.

Parameters

Example

areaChart.filter(['label A', 'label C'], {
    onComplete: function() {
        console.log('done!');
    }
});

See also

AreaChart.restore.

restore: function( callback )

Sets all stacks that could have been filtered visible.

Example

areaChart.restore();

See also

AreaChart.filter.

getLegend: function()

Returns an object containing as keys the legend names and as values hex strings with color values.

Example

var legend = areaChart.getLegend();

getMaxValue: function()

Returns the maximum accumulated value for the stacks.  This method is used for normalizing the graph heights according to the canvas height.

Example

var ans = areaChart.getMaxValue();

In some cases it could be useful to override this method to normalize heights for a group of AreaCharts, like when doing small multiples.

Example

//will return 100 for all AreaChart instances,
//displaying all of them with the same scale
$jit.AreaChart.implement({
  'getMaxValue': function() {
    return 100;
  }
});