Function axisGrid

docs/app/js/sanddance-app.js:148973–149039

(spec, config, userEncode, dataRef, band)

    };
}
function axisGrid(spec, config, userEncode, dataRef, band) {
    const _ = lookup(spec, config), orient = spec.orient, vscale = spec.gridScale, sign = getSign(orient, 1, -1), offset = offsetValue(spec.offset, sign);
    let enter, exit, update;
    const encode = {
        enter: enter = {
            opacity: zero
        },
        update: update = {
            opacity: one
        },
        exit: exit = {
            opacity: zero
        }
    };
    addEncoders(encode, {
        stroke: _("gridColor"),
        strokeCap: _("gridCap"),
        strokeDash: _("gridDash"),
        strokeDashOffset: _("gridDashOffset"),
        strokeOpacity: _("gridOpacity"),
        strokeWidth: _("gridWidth")
    });
    const tickPos = {
        scale: spec.scale,
        field: Value,
        band: band.band,
        extra: band.extra,
        offset: band.offset,
        round: _("tickRound")
    };
    const sz = ifX(orient, {
        signal: "height"
    }, {
        signal: "width"
    });
    const gridStart = vscale ? {
        scale: vscale,
        range: 0,
        mult: sign,
        offset: offset
    } : {
        value: 0,
        offset: offset
    };
    const gridEnd = vscale ? {
        scale: vscale,
        range: 1,
        mult: sign,
        offset: offset
    } : (0, _vegaUtil.extend)(sz, {
        mult: sign,
        offset: offset
    });
    enter.x = update.x = ifX(orient, tickPos, gridStart);
    enter.y = update.y = ifY(orient, tickPos, gridStart);
    enter.x2 = update.x2 = ifY(orient, gridEnd);
    enter.y2 = update.y2 = ifX(orient, gridEnd);
    exit.x = ifX(orient, tickPos);