Creating the radius dimension of a previously defined arc.
$$
$$ Declarations
$$
ENTITY/CR1,DIM1
$$
$$ Geometry Definition
$$
CR1=CIRCLE/0,0,1,START,0,END,270
&ENSITE=&TOPR
$$
$$ Dimension Definition
$$
DIM1 =RDIM/-1.1,.75,CR1,APPEND,'DIM1'
Arc Radius Dimension