/// <summary>
/// A new alignment by simply shifting offset from A to B.
/// </summary>
/// <param name="offsetA">The source offset.</param>
/// <param name="offsetB">The target offset</param>
/// <returns>An alignment structure.</returns>
public static Alignment ByOffsetChange(XYZ offsetA, XYZ offsetB)
{
return(new Alignment(new IfcAxisAlignment
{
SourceReferenceAxis = new IfcAlignReferenceAxis(offsetA, XYZs.ByAdd(offsetA, 1, 0, 0)),
TargetReferenceAxis = new IfcAlignReferenceAxis(offsetB, XYZs.ByAdd(offsetB, 1, 0, 0))
}));
}
/// <summary>
/// A 2-by-2 point alignment. Given an offset and orientation point of A and of B, an affine aligment
/// will be computed. No scaling will be done. The total distance of offset and orientation point is normalized during
/// calculations.
/// </summary>
/// <param name="offsetA">The offset of A</param>
/// <param name="axisRefA">The orientation point of A (or undefined if simpliy shifted along X)</param>
/// <param name="offsetB">The offset of B</param>
/// <param name="axisRefB">The orientation point of B (or undefined if simpliy shifted along X)</param>
/// <returns>An alignment structure.</returns>
public static Alignment ByPointReference(XYZ offsetA, XYZ axisRefA, XYZ offsetB, XYZ axisRefB)
{
return(new Alignment(new IfcAxisAlignment
{
SourceReferenceAxis = new IfcAlignReferenceAxis(offsetA, axisRefA ?? XYZs.ByAdd(offsetA, 1, 0, 0)),
TargetReferenceAxis = new IfcAlignReferenceAxis(offsetB, axisRefB ?? XYZs.ByAdd(offsetB, 1, 0, 0))
}));
}
