The default rosette is horizontal. The default normal to the base plane is therefore 000,90 indicating a line of sight directed down from above the plane.
An arbitrary sight line normal can be specified in the Rosette Options dialog. The orientation input is the direction of sight – the base plane is positioned normal to this line. The top of the rosette will correspond to the top of the user's view.
A vertical base plane will have a normal orientation in the form of ###,00, where ### is the azimuth of the sight line normal. A horizontal rosette will have NORTH positioned at the top of the rosette. The sight line normal can be specified with a negative plunge if the rosette is to be viewed from below, looking up.