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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············· <[hz?:G"$  
.'lN4x  
macro 正文:········· r\xXU~$9v  
! centroid.zpl >FF1)~  
! ipZHSA  
! Written by Kenneth Moore 9/1/92 %h/! Y<%  
! Added TIMER function 4/18/96 _9kIRmT{  
! *h:kmT  
TIMER RGp'b  
! W4vBf^eC  
! The delta controls how many rays will be traced. A aQ|hi F}  
! delta of .025 will trace a 80 x 80 grid in the pupil. m&Sp1=*Ejy  
! /aOlYqM(>  
delta = .025 F$yeF^\g  
! 9p*-?kPb  
print "This program computes the chief ray coordinates," 9L  HuS  
print "centroid coordinates, and middle coordinates for" :e2X/tl#  
print "the primary wave spot at each field position." N^J*!]|  
maxfield = maxf() &t6Tcy  
if maxfield == 0 then maxfield = 1 ";dU-\3M  
n = nsur() fU ={a2  
f = 1 61:9(*4~!F  
label 1 x'i0KF   
hx = fldx(f)/maxfield MaErx\  
hy = fldy(f)/maxfield P) 1 EA;  
raytrace hx,hy,0,0 b:Dg}  
format 10.4 s0!kwrBsp  
print C #aFc01B  
print "  X Field    = ", fldx(f), >'Hx1;  
print "  Y Field    = ", fldy(f) u[EK#%  
print "  X Chief    = ",rayx(n), B_&^ER5j  
print "  Y Chief    = ",rayy(n) ZNL5({lv  
xraymax = -9e9 } 07r  
yraymax = -9e9 Ja [#[BJ?  
xraymin =  9e9 6b#~;  
yraymin =  9e9 @p]UvqtB@  
xraytot = 0 KN, 4@4  
yraytot = 0 OjATSmZ@@  
numray = 0 +WL  D  
numrayattempt = 0 UkfA}b^@v  
px = -1 - delta Hirr=a3  
label 2 %zflx~  
px = px + delta /7vE>mSY  
py = -1 - delta O 6]u!NqG  
label 3 ^ZVO ql&  
py = py + delta L*^ V5^-  
rad = px*px + py*py !gJzg*{u@  
if rad <= 0.9999999 rKIRNc#d  
        raytrace hx, hy, px, py C P&o%Uc*  
        numrayattempt = numrayattempt+1 LG6I_[  
        if !rayv(n)                                              **************************** `^%@b SE(  
                numray = numray + 1 R@$+t:}  
                x = rayx(n) /.@x 4cdS  
                y = rayy(n) #ovM(Mld  
                if (x < xraymin) then xraymin = x t= *Jg/$  
                if (x > xraymax) then xraymax = x iAHZ0Du  
                if (y < yraymin) then yraymin = y e^WqJ7j  
                if (y > yraymax) then yraymax = y ArX]L$ D  
                xraytot = xraytot + x H &fTh  
                yraytot = yraytot + y L!vWRwZwC  
        endif l7~Pa0qD  
endif |0]YA  
if py < 1.0 then goto 3 >#?iO]).  
if px < 1.0 then goto 2 kQ[Jo%YT?E  
if numray `u=oeM :  
        format 14.8 c/RT0xql*  
        print "  X Centroid = ",xraytot/numray, c_DaNEfaY  
        print "  Y Centroid = ",yraytot/numray G<fS (q  
        print "  X Middle   = ",(xraymax+xraymin)/2, `#p< rfe  
        print "  Y Middle   = ",(yraymax+yraymin)/2 <M305BH  
        format .0 23k)X"5  
        print "  ",numray, " out of ", numrayattempt," rays made it through." q;No"_aAd  
else E4Zxv*  
        print "  No rays made it through!" AoU_;B\b%  
endif '}CN?f|.  
f=f+1 UQnBqkE  
if f<= nfld() then goto 1 PY\W  
print &t_A0z  
print "All field positions done!" yWmrdvL  
FORMAT 0.1 [9J:bD  
print "Elapsed time ", ETIM(), " seconds." ?(>k,[n  
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 nfa_8  
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 )dqR<)  
的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  ' 4,y  
'^e0Ud,  
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 kp'b>&9r  
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