Function eulerFromQuaternion

src/plots/geo/zoom.js:431–437

(q)

    return vectorOut;
}
function eulerFromQuaternion(q) {
    return [
        Math.atan2(2 * (q[0] * q[1] + q[2] * q[3]), 1 - 2 * (q[1] * q[1] + q[2] * q[2])) * degrees,
        Math.asin(Math.max(-1, Math.min(1, 2 * (q[0] * q[2] - q[3] * q[1])))) * degrees,
        Math.atan2(2 * (q[0] * q[3] + q[1] * q[2]), 1 - 2 * (q[2] * q[2] + q[3] * q[3])) * degrees
    ];
}

function cartesian(spherical) {
    var lambda = spherical[0] * radians;