Function getConnectedHistograms

src/traces/histogram/calc.js:519–538

(gd, trace)

 * would have tons of edge cases and value judgments to make.
 */
function getConnectedHistograms(gd, trace) {
    var xid = trace.xaxis;
    var yid = trace.yaxis;
    var orientation = trace.orientation;

    var out = [];
    var fullData = gd._fullData;
    for(var i = 0; i < fullData.length; i++) {
        var tracei = fullData[i];
        if(tracei.type === 'histogram' &&
            tracei.visible === true &&
            tracei.orientation === orientation &&
            tracei.xaxis === xid && tracei.yaxis === yid
        ) {
            out.push(tracei);
        }
    }

    return out;
}

function cdf(size, direction, currentBin) {
    var i, vi, prevSum;