最近閑的無聊，看zemax的macro 下面有個宏里自帶的macro，原樣附下，討論下標(biāo)記為 ****************************的作用，為什么要以漸暈為判斷標(biāo)準(zhǔn)，這個漸暈的真正作用是干什么的？附下RAYV（）->如果無漸暈則為0，否則為漸暈面的編號。(0 if ray was not vignetted,else vignetted surface number.valid only after a RAYTRACE or RAYTRACEEX call)。若大神賜教，小弟感激流涕············· 6.45^'t]  
@|ZUyat  
macro 正文：········· G='`*_$  
! centroid.zpl 1z2v[S&pk  
! G] tT=X[  
! Written by Kenneth Moore 9/1/92 \j)c?1*$  
! Added TIMER function 4/18/96 g]44|9x(W  
! ZT/
f  
TIMER buzpmRoN)  
! *1b0IQ$g  
! The delta controls how many rays will be traced. A ? B|i  
! delta of .025 will trace a 80 x 80 grid in the pupil. Dn#5H{D-d  
! x7l}u`N4  
delta = .025 tQ'R(H`  
! 3kGg;z6  
print "This program computes the chief ray coordinates," h \`(  
print "centroid coordinates, and middle coordinates for" .uX(-8n ~  
print "the primary wave spot at each field position." L&NpC&>wD  
maxfield = maxf() Ux" ^3D  
if maxfield == 0 then maxfield = 1 u}R|q  
n = nsur() gV