function pointOpacity(context, props) {
var p = pointSizeDevicePixels(context, props);
const X = 2.0 / context.view3[0];
const Y = 2.0 / context.view3[4];
const X0 = props.initialAxisDimensions[0];
const Y0 = props.initialAxisDimensions[1];
const W = context.viewportWidth;
const H = context.viewportHeight;
const N = props.N;
return clamp(((rho * W * H) / (N * p * p)) * (X0 / X) * (Y0 / Y), 0, 1);
}