Ordering pie chart slices based on Month

[SMJ]

Hi All,

I would like to order the slices of the pie chart by the month order ( it is now ordering alphabetically).

Please let me know how to go about it.

Below is my code:

var monthPosted = ndx.dimension(function(d) { 

var format=d3.time.format("%b");

    var dateConvert = format(new Date(d.date));

    return dateConvert;

    });

var reviewsByMon = monthPosted.group();

    monthPieChart

        .dimension(monthPosted)

        .group(reviewsByMon)

        //.width(200)

        .height(200)

        .innerRadius(50)

[Gordon Woodhull]

I'd suggest making your group keys be the numbers of months and then mapping them to month names in chart.label:

http://dc-js.github.io/dc.js/docs/html/dc.baseMixin.html#label

You could also do something with chart.ordering, but that would be more complicated:

http://dc-js.github.io/dc.js/docs/html/dc.baseMixin.html#ordering

Please note, in dc.js 2.0.* and below, there is a weird interaction between crossfilter's group.order and chart.ordering, so if you're using capping they had better agree. As of 2.1.*, group.order is not used, just chart.ordering.

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