Function plot

src/traces/bar/plot.js:91–529

(gd, plotinfo, cdModule, traceLayer, opts, makeOnCompleteCallback)

}

function plot(gd, plotinfo, cdModule, traceLayer, opts, makeOnCompleteCallback) {
    var xa = plotinfo.xaxis;
    var ya = plotinfo.yaxis;
    var fullLayout = gd._fullLayout;
    var isStatic = gd._context.staticPlot;

    if (!opts) {
        opts = {
            mode: fullLayout.barmode,
            norm: fullLayout.barmode,
            gap: fullLayout.bargap,
            groupgap: fullLayout.bargroupgap
        };

        // don't clear bar when this is called from waterfall or funnel
        clearMinTextSize('bar', fullLayout);
    }

    var bartraces = Lib.makeTraceGroups(traceLayer, cdModule, 'trace bars').each(function (cd) {
        var plotGroup = d3.select(this);
        var trace = cd[0].trace;
        var t = cd[0].t;
        var isWaterfall = trace.type === 'waterfall';
        var isFunnel = trace.type === 'funnel';
        var isHistogram = trace.type === 'histogram';
        var isBar = trace.type === 'bar';
        var shouldDisplayZeros = isBar || isFunnel;
        var adjustPixel = 0;
        if (isWaterfall && trace.connector.visible && trace.connector.mode === 'between') {
            adjustPixel = trace.connector.line.width / 2;
        }

        var isHorizontal = trace.orientation === 'h';
        var withTransition = hasTransition(opts);

        var pointGroup = Lib.ensureSingle(plotGroup, 'g', 'points');

        var keyFunc = getKeyFunc(trace);
        var bars = pointGroup.selectAll('g.point').data(Lib.identity, keyFunc);

        bars.enter().append('g').classed('point', true);

        bars.exit().remove();

        bars.each(function (di, i) {
            var bar = d3.select(this);

            // now display the bar
            // clipped xf/yf (2nd arg true): non-positive
            // log values go off-screen by plotwidth
            // so you see them continue if you drag the plot
            var xy = getXY(di, xa, ya, isHorizontal);

            var x0 = xy[0][0];
            var x1 = xy[0][1];
            var y0 = xy[1][0];
            var y1 = xy[1][1];