最近閑的無聊，看zemax的macro 下面有個宏里自帶的macro，原樣附下，討論下標記為 ****************************的作用，為什么要以漸暈為判斷標準，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············· <^"0A  
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macro 正文：········· -9yWf8;  
! centroid.zpl PjkjUP  
! e89IT*  
! Written by Kenneth Moore 9/1/92 dwz{Yw(  
! Added TIMER function 4/18/96 %$=}ePD  
! ?}<Wmy2A  
TIMER 6B@{X^6y  
! cLm{gd4 W  
! The delta controls how many rays will be traced. A yD(v_J*  
! delta of .025 will trace a 80 x 80 grid in the pupil. p"QV| `  
! 8[d6 s  
delta = .025 \"l/D?+Q  
! L lVE5f?  
print "This program computes the chief ray coordinates," ..yLtqos  
print "centroid coordinates, and middle coordinates for" vR'rYDtU@  
print "the primary wave spot at each field position." ju(QSZ|;  
maxfield = maxf() ::!{f+Up  
if maxfield == 0 then maxfield = 1 &I?d(Z=:\  
n = nsur() :{x   
f = 1 Df0m  
label 1 PZhpp"  
hx = fldx(f)/maxfield WGI4DzKa  
hy = fldy(f)/maxfield RaAvPIJa |  
raytrace hx,hy,0,0 ux1SQ8C