/// <summary>
/// Writes the value expressed as a <c>spherical</c>, which is the list of directions specified as spherical values <c>[Clock, Cone, Magnitude, Clock, Cone, Magnitude, ...]</c>, with angles in radians and magnitude in meters. The clock angle is measured in the XY plane from the positive X axis toward the positive Y axis. The cone angle is the angle from the positive Z axis toward the negative Z axis.
/// </summary>
/// <param name="values">The values.</param>
public void WriteSpherical(IEnumerable <Spherical> values)
{
const string PropertyName = SphericalPropertyName;
OpenIntervalIfNecessary();
Output.WritePropertyName(PropertyName);
CesiumWritingHelper.WriteSphericalList(Output, values);
}