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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············· TWo.c _l  
hG lRf_{  
macro 正文:········· 9i/VvW  
! centroid.zpl )+ 12r6W  
! cR/z;*wr7  
! Written by Kenneth Moore 9/1/92 Tyt1a>! qA  
! Added TIMER function 4/18/96 >Gi* BB  
! .V\: )\<|  
TIMER . I#dR*  
! 'mU7N<Q$qQ  
! The delta controls how many rays will be traced. A |s*tRag  
! delta of .025 will trace a 80 x 80 grid in the pupil. {N 0i 3e s  
! (eF "[,z  
delta = .025 j+Q E~L  
! f|-%.,  
print "This program computes the chief ray coordinates," ZH8Oidj`  
print "centroid coordinates, and middle coordinates for" xBK is\b  
print "the primary wave spot at each field position." gC \^"m  
maxfield = maxf() s2iL5N|"Q  
if maxfield == 0 then maxfield = 1 8d*W7>rq  
n = nsur() Dro2R_j{  
f = 1 =@0/.oSD  
label 1 2]f?c%)I  
hx = fldx(f)/maxfield zkmfu~_)  
hy = fldy(f)/maxfield CWS&f g%o{  
raytrace hx,hy,0,0 -@yu 9=DT  
format 10.4 ,)7y? *D}  
print dSw%Qv*y  
print "  X Field    = ", fldx(f), qB44;!(  
print "  Y Field    = ", fldy(f) m #}%l3$  
print "  X Chief    = ",rayx(n), =s$UU15  
print "  Y Chief    = ",rayy(n) x#,nR]C  
xraymax = -9e9 $kCLS7 *  
yraymax = -9e9 S 0L"5B@  
xraymin =  9e9 /$?7L(  
yraymin =  9e9 c6f[^Q%#j  
xraytot = 0 KJ;NcUq  
yraytot = 0 0z:BSdno  
numray = 0 3lD1G~  
numrayattempt = 0 qJf=f3  
px = -1 - delta {|ChwM\x  
label 2 qJPEq%'Q  
px = px + delta (n3MbVi3LU  
py = -1 - delta j9]H~:g$d  
label 3 .cA'6J"Bm\  
py = py + delta 47 *,  
rad = px*px + py*py /$,~|X;&  
if rad <= 0.9999999 La#otuw+?  
        raytrace hx, hy, px, py AEr8^6  
        numrayattempt = numrayattempt+1 @Ap~Wok  
        if !rayv(n)                                              **************************** l&LrcM  
                numray = numray + 1 ?RVY%s;g  
                x = rayx(n) rLzN #Zoi  
                y = rayy(n) /agX! E4s  
                if (x < xraymin) then xraymin = x 6e.?L  
                if (x > xraymax) then xraymax = x {Mx3G*hr  
                if (y < yraymin) then yraymin = y 22gk1'~dO  
                if (y > yraymax) then yraymax = y 7 G<v<&  
                xraytot = xraytot + x ~Dz`O"X3  
                yraytot = yraytot + y gV-x1s+  
        endif 8#&axg?a  
endif WC<K(PP  
if py < 1.0 then goto 3 fF*{\  
if px < 1.0 then goto 2 N! N>/9  
if numray mFdj+ &2\  
        format 14.8 rfVHPMD0  
        print "  X Centroid = ",xraytot/numray, .uGvmD <;x  
        print "  Y Centroid = ",yraytot/numray Q4vl  
        print "  X Middle   = ",(xraymax+xraymin)/2, /9..hEq^  
        print "  Y Middle   = ",(yraymax+yraymin)/2 h<8.0  
        format .0 ++)3*+N+  
        print "  ",numray, " out of ", numrayattempt," rays made it through." ;mw$(ZKa#  
else d5O_~x f&  
        print "  No rays made it through!" {j{H@rHuy  
endif =Pu;wx9  
f=f+1 'ixu+.ZL/  
if f<= nfld() then goto 1 jR[3{ Reo  
print 6*]g~)7`Q~  
print "All field positions done!" sWc_,[b  
FORMAT 0.1 (+^z9p7/!  
print "Elapsed time ", ETIM(), " seconds." ;@R=CQ6  
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 zj9)vr`7  
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 Yi5^# G  
的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  ~g|Z6-?4Jj  
Pd"=&Az|  
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 C2[* $ 1U  
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