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moth 2013-01-19 10:26

macros

       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············· xnuv4Z}]t  
2T(,H.O  
macro 正文:········· QDgEJ%U-  
! centroid.zpl 9_A0:S9Z  
! vWi. []  
! Written by Kenneth Moore 9/1/92 X)iWb(@k"7  
! Added TIMER function 4/18/96 .6 ?>t!&W  
! a.&#dxgW[  
TIMER 7}tZ?vD  
! 9H, &nET  
! The delta controls how many rays will be traced. A +V+*7s%fL  
! delta of .025 will trace a 80 x 80 grid in the pupil. ZDkD%SCy  
! :UDn^ (#  
delta = .025 &;h~JS=  
! EfBVu  
print "This program computes the chief ray coordinates," : Nj`_2  
print "centroid coordinates, and middle coordinates for" & kjwIg{  
print "the primary wave spot at each field position." n:^"[Le  
maxfield = maxf() Fx[A8G  
if maxfield == 0 then maxfield = 1 [' OCw {<  
n = nsur() bu"68A;>  
f = 1 O *J_+6  
label 1 'f?&EsIV?  
hx = fldx(f)/maxfield ~Ri u*<  
hy = fldy(f)/maxfield T:g4D z*2\  
raytrace hx,hy,0,0 w^'?4M!  
format 10.4 [ 4Y `O  
print 97]a-)SA  
print "  X Field    = ", fldx(f), C/CfjRzd  
print "  Y Field    = ", fldy(f) BvZ^^IUb  
print "  X Chief    = ",rayx(n), m]=oaj@9  
print "  Y Chief    = ",rayy(n) u_6BHsU  
xraymax = -9e9 ueE?"Hk  
yraymax = -9e9 DNW2;i<hsz  
xraymin =  9e9 +>!B(j\gx  
yraymin =  9e9 \Ul.K!b7  
xraytot = 0 lR@i`)'?U  
yraytot = 0 ZH;y>Z  
numray = 0 QLB1:O>  
numrayattempt = 0 `Ge+(1x  
px = -1 - delta 8G5) o`  
label 2 i#]aV]IT  
px = px + delta pe!dm}!h[  
py = -1 - delta .?i-rTF:  
label 3 AJ#m6`M+EK  
py = py + delta s=nVoc{Yt  
rad = px*px + py*py m,@1LwBH  
if rad <= 0.9999999 g* \P6  
        raytrace hx, hy, px, py znQ'm^h  
        numrayattempt = numrayattempt+1 ;X$q#qzN#  
        if !rayv(n)                                              **************************** hSkc9jBF  
                numray = numray + 1 1A?\BJ"  
                x = rayx(n) `dgM|.w5=  
                y = rayy(n) &'huS?g A9  
                if (x < xraymin) then xraymin = x 9b"9m*gC  
                if (x > xraymax) then xraymax = x 4#@W;'  
                if (y < yraymin) then yraymin = y )H;pGM:  
                if (y > yraymax) then yraymax = y L8bI0a]r"*  
                xraytot = xraytot + x Y3P.|  
                yraytot = yraytot + y t":W.q<  
        endif T}n}.JwU  
endif zmB31' _  
if py < 1.0 then goto 3 && DD  
if px < 1.0 then goto 2 o9m  
if numray Q$|^~  
        format 14.8 2<[ eD`u  
        print "  X Centroid = ",xraytot/numray, (Pk"NEP   
        print "  Y Centroid = ",yraytot/numray Ue{vg$5||  
        print "  X Middle   = ",(xraymax+xraymin)/2, 3C rQBIj1  
        print "  Y Middle   = ",(yraymax+yraymin)/2 Wa[x`:cT?u  
        format .0 4-7kS85  
        print "  ",numray, " out of ", numrayattempt," rays made it through." +9CEC1-l  
else <$ i"zb  
        print "  No rays made it through!" >Lw}KO`  
endif @,x_i8  
f=f+1 YH)Opk  
if f<= nfld() then goto 1 jFuC=6aF  
print Pv/Pww \  
print "All field positions done!" \Y!T>nWn)I  
FORMAT 0.1 k]SAJ~bS|  
print "Elapsed time ", ETIM(), " seconds." & Fg|%,fv]  
kimclps 2013-01-24 14:06
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 -ajM5S=d*  
的影響,因此須知道漸暈才能算出chief ray位置。
moth 2013-01-27 19:43
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 n!GWqle  
的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  *;<e '[Y7f  
12idM*  
Kimclps兄果然学识过人,受教了·····
kimclps 2013-01-29 17:48
不敢當,互相切磋。
junel 2014-06-21 20:48
受教了 l`SK*Bm~<  
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