Function domainScale

src/traces/parcoords/parcoords.js:80–95

(height, padding, dimension, tickvals, ticktext)

}

function domainScale(height, padding, dimension, tickvals, ticktext) {
    var extent = dimensionExtent(dimension);
    if(tickvals) {
        return d3.scale.ordinal()
            .domain(tickvals.map(toText(numberFormat(dimension.tickformat), ticktext)))
            .range(tickvals
                .map(function(d) {
                    var unitVal = (d - extent[0]) / (extent[1] - extent[0]);
                    return (height - padding + unitVal * (2 * padding - height));
                })
            );
    }
    return d3.scale.linear()
        .domain(extent)
        .range([height - padding, padding]);
}

function unitToPaddedPx(height, padding) {
    return d3.scale.linear().range([padding, height - padding]);