Function centroidPointCartesian

docs/app/js/sanddance-app.js:132307–132312

(x, y, z)

    centroidPointCartesian(cosPhi * (0, _mathJs.cos)(lambda), cosPhi * (0, _mathJs.sin)(lambda), (0, _mathJs.sin)(phi));
}
function centroidPointCartesian(x, y, z) {
    ++W0;
    X0 += (x - X0) / W0;
    Y0 += (y - Y0) / W0;
    Z0 += (z - Z0) / W0;
}
function centroidLineStart() {
    centroidStream.point = centroidLinePointFirst;
}