Function drawNumbers

src/traces/indicator/plot.js:518–786

(gd, plotGroup, cd, opts)

}

function drawNumbers(gd, plotGroup, cd, opts) {
    var trace = cd[0].trace;

    var numbersX = opts.numbersX;
    var numbersY = opts.numbersY;
    var numbersAlign = trace.align || 'center';
    var numbersAnchor = anchor[numbersAlign];

    var transitionOpts = opts.transitionOpts;
    var onComplete = opts.onComplete;

    var numbers = Lib.ensureSingle(plotGroup, 'g', 'numbers');
    var bignumberbBox, deltabBox;
    var numbersbBox;

    var data = [];
    if(trace._hasNumber) data.push('number');
    if(trace._hasDelta) {
        data.push('delta');
        if(trace.delta.position === 'left') data.reverse();
    }
    var sel = numbers.selectAll('text').data(data);
    sel.enter().append('text');
    sel
        .attr('text-anchor', function() {return numbersAnchor;})
        .attr('class', function(d) { return d;})
        .attr('x', null)
        .attr('y', null)
        .attr('dx', null)
        .attr('dy', null);
    sel.exit().remove();

    // Function to override the number formatting used during transitions
    function transitionFormat(valueformat, fmt, from, to) {
        // For now, do not display SI prefix if start and end value do not have any
        if(valueformat.match('s') && // If using SI prefix
            (from >= 0 !== to >= 0) && // If sign change
            (!fmt(from).slice(-1).match(SI_PREFIX) && !fmt(to).slice(-1).match(SI_PREFIX)) // Has no SI prefix
        ) {
            var transitionValueFormat = valueformat.slice().replace('s', 'f').replace(/\d+/, function(m) { return parseInt(m) - 1;});
            var transitionAx = mockAxis(gd, {tickformat: transitionValueFormat});
            return function(v) {
                // Switch to fixed precision if number is smaller than one
                if(Math.abs(v) < 1) return Axes.tickText(transitionAx, v).text;
                return fmt(v);
            };
        } else {
            return fmt;
        }
    }

    function drawBignumber() {
        var bignumberAx = mockAxis(gd, {tickformat: trace.number.valueformat}, trace._range);
        bignumberAx.setScale();
        Axes.prepTicks(bignumberAx);

        var bignumberFmt = function(v) { return Axes.tickText(bignumberAx, v).text;};
        var bignumberSuffix = trace.number.suffix;