/// <summary>
/// Writes the value expressed as a <c>unitCartesian</c>, which is the list of directions specified as three-dimensional unit magnitude Cartesian values, <c>[X, Y, Z, X, Y, Z, ...]</c>, in world coordinates in meters.
/// </summary>
/// <param name="values">The values.</param>
public void WriteUnitCartesian(IEnumerable <UnitCartesian> values)
{
const string PropertyName = UnitCartesianPropertyName;
OpenIntervalIfNecessary();
Output.WritePropertyName(PropertyName);
CesiumWritingHelper.WriteUnitCartesian3List(Output, values);
}