/// <summary>
/// Add a circle of center (`x', `y', `z') and radius `r'. If `tag' is
/// positive, set the tag explicitly; otherwise a new tag is selected
/// automatically. If `angle1' and `angle2' are specified, create a circle arc
/// between the two angles. Return the tag of the circle.
/// </summary>
public int AddCircle(int startTag, int centerTag, int endTag, double angle1 = 0, double angle2 = 2 *Math.PI, int tag = -1)
{
var api = GMshNativeMethods.gmshModelOccAddCircleArc(startTag, centerTag, endTag, tag, ref ierr);
if (ierr != 0)
{
throw new GMshException(ierr);
}
return(api);
}
