Detail Style-Dimensioning - Single Parts tab

Setting	Description
Radius	Circle radii of component contours are dimensioned. If defined, the subordinate radius style of the selected dimensioning style (e.g. 2D arc outer line segment) is used.
Reference point Assignment	At selection of ‘Standard’ option for the reference to the component part, the dimensioning is related to the reference point of the component part. Otherwise, it is related to the outside edges.