/// <summary>
/// Scales the segment from the provided reference point.
/// </summary>
/// <param name="scale">The amount to scale relative to the reference point.</param>
/// <param name="referencePoint">The reference point.</param>
/// <returns>IPathSegment.</returns>
public virtual IPathSegment ScaleFromPoint(double scale, CartesianCoordinate referencePoint)
{
CartesianOffset offsetJ = scale * (J.OffsetFrom(referencePoint));
CartesianOffset offsetI = scale * (I.OffsetFrom(referencePoint));
return(new LineSegment(
referencePoint + offsetI.ToCartesianCoordinate(),
referencePoint + offsetJ.ToCartesianCoordinate()));
}
public static void ToCartesianCoordinate_Returns_Cartesian_Coordinate_Offset_from_Orgin(
double xI, double yI, double xJ, double yJ,
double xNew, double yNew)
{
CartesianOffset offset = new CartesianOffset(
new CartesianCoordinate(xI, yI),
new CartesianCoordinate(xJ, yJ));
CartesianCoordinate newCoordinate = offset.ToCartesianCoordinate();
Assert.AreEqual(xNew, newCoordinate.X, Tolerance);
Assert.AreEqual(yNew, newCoordinate.Y, Tolerance);
}
/// <summary>
/// The component first differentical as a function of the supplied parameter.
/// </summary>
/// <param name="parameter">The parameter, such as relative position between 0 & 1, or the angle in radians.</param>
/// <returns>System.Double.</returns>
public override CartesianCoordinate PrimeByParameter(double parameter)
{
return(_offset.ToCartesianCoordinate());
}