[讨论]macros [复制链接]

       最近闲的无聊，看zemax的macro 下面有个宏里自带的macro，原样附下，讨论下标记为 ****************************的作用，为什么要以渐晕为判断标准，这个渐晕的真正作用是干什么的？附下RAYV（）->如果无渐晕则为0，否则为渐晕面的编号。(0 if ray was not vignetted,else vignetted surface number.valid only after a RAYTRACE or RAYTRACEEX call)。若大神赐教，小弟感激流涕············· .#}A/V.-Y  
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macro 正文：········· 3Mq%3jX  
! centroid.zpl zm mkmTp  
! H6hhU'Kxf8  
! Written by Kenneth Moore 9/1/92 A_Y5{6@  
! Added TIMER function 4/18/96 quS]26wQz  
! 7l4}b^>/`  
TIMER &ZL4/e  
! *z^Au7,&  
! The delta controls how many rays will be traced. A ?_d3
|]N  
! delta of .025 will trace a 80 x 80 grid in the pupil. |$Cfm}  
! \c1>15  
delta = .025 {^?:-#~h  
! >FS}{O2c  
print "This program computes the chief ray coordinates," @<yYMo7  
print "centroid coordinates, and middle coordinates for" m^ /s}WEqp  
print "the primary wave spot at each field position." dKY#Tl]  
maxfield = maxf() 7NkMr8[}F  
if maxfield == 0 then maxfield = 1 a4mRu|x  
n = nsur() OQVo4yl"  
f = 1 C@g/{?\  
label 1 aTkMg  
hx = fldx(f)/maxfield 0J6* U[  
hy = fldy(f)/maxfield IP^1ca#<  
raytrace hx,hy,0,0 P?@o?  
format 10.4 vDyGxU!#\  
print ,/"0tP&_;  
print "  X Field    = ", fldx(f), Mp(;PbVD  
print "  Y Field    = ", fldy(f) +F~B"a  
print "  X Chief    = ",rayx(n), 3bT?4  
print "  Y Chief    = ",rayy(n) :jJ0 +Q  
xraymax = -9e9 U|b)Bw<P  
yraymax = -9e9 ==S^IBG  
xraymin =  9e9  tYG6Gl  
yraymin =  9e9 !DD4Bqez  
xraytot = 0 `O!yt  
yraytot = 0 `Ue5;<K-/  
numray = 0 g>g*1oS  
numrayattempt = 0 U?ZWDr"*`w  
px = -1 - delta yH9&HFDp  
label 2 $wbIe
"|  
px = px + delta !b$]D?=}  
py = -1 - delta iu$Y0.H@  
label 3 Lj/  
py = py + delta ZH`(n5  
rad = px*px + py*py `/9I` <y  
if rad <= 0.9999999 C=bQ2t=Z  
        raytrace hx, hy, px, py 4>/i,_&K K  
        numrayattempt = numrayattempt+1 LP/SblE  
        if !rayv(n)                                              **************************** Sbeq%Iwm.  
                numray = numray + 1 4y!GFhMh  
                x = rayx(n) ?J-D6;  
                y = rayy(n) 30<_`  
                if (x < xraymin) then xraymin = x :(
4q\~  
                if (x > xraymax) then xraymax = x ""m/?TZq'  
                if (y < yraymin) then yraymin = y `~\8fN  
                if (y > yraymax) then yraymax = y R+2~%|{d  
                xraytot = xraytot + x oi8M6l  
                yraytot = yraytot + y Ua4P@#cU  
        endif m
ex@~VK  
endif L* ScSxw  
if py < 1.0 then goto 3 .HRd6O;  
if px < 1.0 then goto 2 e7tio!  
if numray "1`w>(=  
        format 14.8 D&pp <  
        print "  X Centroid = ",xraytot/numray, .KtK<Ps[S  
        print "  Y Centroid = ",yraytot/numray I:0dz:T7*  
        print "  X Middle   = ",(xraymax+xraymin)/2, k5*Z@a  
        print "  Y Middle   = ",(yraymax+yraymin)/2 ~6+Um_A_L  
        format .0 SjIDzNI5  
        print "  ",numray, " out of ", numrayattempt," rays made it through." I}m>t}QRI_  
else `R!2N4|;  
        print "  No rays made it through!" shO4>Ha  
endif Cq3Au%7  
f=f+1 1~j,A[&|<  
if f<= nfld() then goto 1 @jq H8  
print MZqHL4<|  
print "All field positions done!" J% ZM V  
FORMAT 0.1 mo,"3YW  
print "Elapsed time ", ETIM(), " seconds." 1:_}`x=hM  

centroid的chief ray定義為通過光束中心(而非stop中心)的光線，其位置會受漸暈 lE!.$L*k  
的影響，因此須知道漸暈才能算出chief ray位置。

kimclps:centroid的chief ray定義為通過光束中心(而非stop中心)的光線，其位置會受漸暈 JqEo~]E]  
的影響，因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  B<~BX[  

8P&z@E{y  
Kimclps兄果然学识过人，受教了·····

不敢當，互相切磋。

受教了 yQC8Gt8