/// <summary>
/// Orient this coordinate system to GCS as if this coordinate system was constrained as an edge (i.e x' is constrained by the edge)
/// </summary>
public void OrientEdgeTypeLcsToGcs()
{
if (this.IsComplete())
{
// if LocalX is parallell to UnitZ set (rotate) LocalY to UnitY
int par = this.LocalX.Parallel(Geometry.FdVector3d.UnitZ());
if (par == 1 || par == -1)
{
this.SetYAroundX(FdVector3d.UnitY());
}
// else set (rotate) LocalY to UnitZ cross LocalX
else
{
this.SetYAroundX(FdVector3d.UnitZ().Cross(this.LocalX).Normalize());
}
}
else
{
throw new System.ArgumentException("Impossible to orient axes as the passed coordinate system is incomplete.");
}
}
/// <summary>
/// Global coordinate system
/// </summary>
public static FdCoordinateSystem Global()
{
return(new FdCoordinateSystem(FdPoint3d.Origin(), FdVector3d.UnitX(), FdVector3d.UnitY()));
}
