/// <summary>
/// Writes a value for the <c>direction</c> property as a <c>unitCartesian</c> value. The <c>direction</c> property specifies the direction of the vector.
/// </summary>
/// <param name="value">The value.</param>
public void WriteDirectionPropertyUnitCartesian(UnitCartesian value)
{
using (var writer = OpenDirectionProperty())
{
writer.WriteUnitCartesian(value);
}
}
/// <summary>
/// Writes the value expressed as a <code>unitCartesian</code>, which is the axis specified as a three-dimensional unit magnitude Cartesian value `[X, Y, Z]`, in world coordinates.
/// </summary>
/// <param name="value">The value.</param>
public void WriteUnitCartesian(UnitCartesian value)
{
const string PropertyName = UnitCartesianPropertyName;
OpenIntervalIfNecessary();
Output.WritePropertyName(PropertyName);
CesiumWritingHelper.WriteUnitCartesian3(Output, value);
}
/// <summary>
/// Initializes a set of <see cref="UnitSpherical"/> coordinates from the provided set of <see cref="UnitCartesian"/> coordinates.
/// </summary>
/// <param name="coordinates">The set of UnitCartesian coordinates.</param>
public UnitSpherical(UnitCartesian coordinates)
{
double x = coordinates.X;
double y = coordinates.Y;
double z = coordinates.Z;
double radialSquared = x * x + y * y;
m_clock = Math.Atan2(y, x);
m_cone = Math.Atan2(Math.Sqrt(radialSquared), z);
}
/// <summary>
/// Forms a diagonal matrix from the input unit vector.
/// </summary>
/// <param name="vector">The vector.</param>
/// <returns>The diagonal matrix.</returns>
public static Matrix3By3 DiagonalMatrix(UnitCartesian vector)
{
return(DiagonalMatrix(vector.X, vector.Y, vector.Z));
}
/// <summary>
/// Forms a <see cref="Matrix3By3"/> from the input vector such that the result of the cross product of the input unit vector
/// with another vector is equivalent to pre-multiplying the other vector by the returned matrix.
/// </summary>
/// <param name="vector">The unit vector for which the cross product equivalent matrix is desired.</param>
/// <returns>The cross product equivalent matrix.</returns>
public static Matrix3By3 CrossProductEquivalentMatrix(UnitCartesian vector)
{
return(new Matrix3By3(0.0, -vector.Z, vector.Y, vector.Z, 0.0, -vector.X, -vector.Y, vector.X, 0.0));
}
