Creating a full circular centerline using the CENTER minor word.
$$
$$ Declarations
$$
ENTITY/LN1,P1,P2,CR1,CTRLN1
$$
$$ Geometry Definitions
$$
LN1 = LINE/-2,-1,-2,1
P2 = POINT/-1,1
CR1 = CIRCLE/CENTER,P2,RADIUS,.2
$$
$$ Center Point Definition
$$
P1 = POINT/ENDOF,YLARGE,LN1
$$
$$ Centerline Definition
$$
CTRLN1 = CLINE/FCIRC,CENTER,P1,CR1
$$
$$ Program continues
$$
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CLINE Statement to Create a Full Circular Centerline Using CENTER Minor Word