This example demonstrates the use of the 3D Analysis ARCLEN statement.
$$
$$ Declarations
$$
ENTITY/CR1,CR2,LN1,LN2
NUMBER/LEN(1)
$$
$$ Geometry Definition
$$
CR1=CIRCLE/-.5,0,.5,START,90,END,270
CR2=CIRCLE/.5,0,.5,START,270,END,90
LN1=LINE/-.5,.5,.5,.5
LN2=LINE/-.5,-.5,.5,-.5
$$
$$ Arc Length Analysis
$$
ANLSIS/ARCLEN,CR1,LN1,CR2,LN2,INCHES,LEN
Arc Length Function on Contiguous Geometry
NOTE:
In the example above the objects are contiguous and specified in a
clockwise sequence, starting with arc CR1. The arc length assigned to
the variable LEN is approximately 5.1416 inches.