/// <summary>
/// Add an ellipse of center (`x', `y', `z') and radii `r1' and `r2' along the
/// x- and y-axes respectively. If `tag' is positive, set the tag explicitly;
/// otherwise a new tag is selected automatically. If `angle1' and `angle2'
/// are specified, create an ellipse arc between the two angles. Return the
/// tag of the ellipse. Note that OpenCASCADE does not allow creating ellipses
/// with the major radius (along the x-axis) smaller than or equal to the
/// minor radius (along the y-axis): rotate the shape or use `addCircle' in
/// such cases.
/// </summary>
public int AddEllipse(double x, double y, double z, double r1, double r2, double angle1 = 0, double angle2 = 2 *Math.PI, int tag = -1)
{
var api = GMshNativeMethods.gmshModelOccAddEllipse(x, y, z, r1, r2, tag, angle1, angle2, ref ierr);
if (ierr != 0)
{
throw new GMshException(ierr);
}
return(api);
}
