Function getCoord

src/components/fx/hover.js:2505–2542

(axLetter, winningPoint, fullLayout)

}

function getCoord(axLetter, winningPoint, fullLayout) {
    var ax = winningPoint[axLetter + 'a'];
    var val = winningPoint[axLetter + 'Val'];

    var cd0 = winningPoint.cd[0];

    if (ax.type === 'category' || ax.type === 'multicategory') val = ax._categoriesMap[val];
    else if (ax.type === 'date') {
        var periodalignment = winningPoint.trace[axLetter + 'periodalignment'];
        if (periodalignment) {
            var d = winningPoint.cd[winningPoint.index];

            var start = d[axLetter + 'Start'];
            if (start === undefined) start = d[axLetter];

            var end = d[axLetter + 'End'];
            if (end === undefined) end = d[axLetter];

            var diff = end - start;

            if (periodalignment === 'end') {
                val += diff;
            } else if (periodalignment === 'middle') {
                val += diff / 2;
            }
        }

        val = ax.d2c(val);
    }

    if (cd0 && cd0.t && cd0.t.posLetter === ax._id) {
        if (fullLayout.boxmode === 'group' || fullLayout.violinmode === 'group') {
            val += cd0.t.dPos;
        }
    }

    return val;
}

// Top/left hover offsets relative to graph div. As long as hover content is
// a sibling of the graph div, it will be positioned correctly relative to