parc #Select the arc output
if arcoutput = zero,
[
#Arc output for IJK
i , j , k ;原i,j,k改为 *i, *j, k ]
else,
[
#Arc output for R
if abs(sweep)<=180 | arcoutput=one, result = nwadrs(srad, arcrad)
else, result = nwadrs(srminus, arcrad)
*arcrad
] |