Function handleAxisDefaults

src/traces/splom/defaults.js:70–170

(traceIn, traceOut, layout, coerce)

}

function handleAxisDefaults(traceIn, traceOut, layout, coerce) {
    var dimensions = traceOut.dimensions;
    var dimLength = dimensions.length;
    var showUpper = traceOut.showupperhalf;
    var showLower = traceOut.showlowerhalf;
    var showDiag = traceOut.diagonal.visible;
    var i, j;

    var xAxesDflt = new Array(dimLength);
    var yAxesDflt = new Array(dimLength);

    for (i = 0; i < dimLength; i++) {
        var suffix = i ? i + 1 : '';
        xAxesDflt[i] = 'x' + suffix;
        yAxesDflt[i] = 'y' + suffix;
    }

    var xaxes = coerce('xaxes', xAxesDflt);
    var yaxes = coerce('yaxes', yAxesDflt);

    // build list of [x,y] axis corresponding to each dimensions[i],
    // very useful for passing options to regl-splom
    var diag = (traceOut._diag = new Array(dimLength));

    // lookup for 'drawn' x|y axes, to avoid costly indexOf downstream
    traceOut._xaxes = {};
    traceOut._yaxes = {};

    // list of 'drawn' x|y axes, use to generate list of subplots
    var xList = [];
    var yList = [];

    function fillAxisStashes(axId, counterAxId, dim, list) {
        if (!axId) return;

        var axLetter = axId.charAt(0);
        var stash = layout._splomAxes[axLetter];

        traceOut['_' + axLetter + 'axes'][axId] = 1;
        list.push(axId);

        if (!(axId in stash)) {
            var s = (stash[axId] = {});
            if (dim) {
                s.label = dim.label || '';
                if (dim.visible && dim.axis) {
                    if (dim.axis.type) s.type = dim.axis.type;
                    if (dim.axis.matches) s.matches = counterAxId;
                }
            }
        }
    }

    // cases where showDiag and showLower or showUpper are false
    // no special treatment as the 'drawn' x-axes and y-axes no longer match
    // the dimensions items and xaxes|yaxes 1-to-1
    var mustShiftX = !showDiag && !showLower;
    var mustShiftY = !showDiag && !showUpper;