Creating a coordinate system by specifying an existing coordinate system and a new origin.
$$
$$ Declarations
$$
ENTITY/CR1,PT1,CSYS1,CSYS2
$$
$$ Geometry Definition
$$
CR1=CIRCLE/0,0,1
PT1=POINT/1,1
CSYS1=CSYS/CR1
$$
$$ Coordinate System Definition
$$
CSYS2=CSYS/CSYS1,ORIGIN,PT1
Coordinate System Defined by an Existing Coordinate System