Function initBase

src/traces/bar/cross_trace_calc.js:181–225

(sa, calcTraces)

}

function initBase(sa, calcTraces) {
    var i, j;

    for (i = 0; i < calcTraces.length; i++) {
        var cd = calcTraces[i];
        var trace = cd[0].trace;
        var base = trace.type === 'funnel' ? trace._base : trace.base;
        var b;

        // not sure if it really makes sense to have dates for bar size data...
        // ideally if we want to make gantt charts or something we'd treat
        // the actual size (trace.x or y) as time delta but base as absolute
        // time. But included here for completeness.
        var scalendar = trace.orientation === 'h' ? trace.xcalendar : trace.ycalendar;

        // 'base' on categorical axes makes no sense
        var d2c =
            sa.type === 'category' || sa.type === 'multicategory'
                ? function () {
                      return null;
                  }
                : sa.d2c;

        if (isArrayOrTypedArray(base)) {
            for (j = 0; j < Math.min(base.length, cd.length); j++) {
                b = d2c(base[j], 0, scalendar);
                if (isNumeric(b)) {
                    cd[j].b = +b;
                    cd[j].hasB = 1;
                } else cd[j].b = 0;
            }
            for (; j < cd.length; j++) {
                cd[j].b = 0;
            }
        } else {
            b = d2c(base, 0, scalendar);
            var hasBase = isNumeric(b);
            b = hasBase ? b : 0;
            for (j = 0; j < cd.length; j++) {
                cd[j].b = b;
                if (hasBase) cd[j].hasB = 1;
            }
        }
    }
}

function setGroupPositionsInOverlayMode(gd, pa, sa, calcTraces, opts) {
    // update position axis and set bar offsets and widths