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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············· ]Z#=w  
:;u?TFCRx  
macro 正文:········· ELqpIXq#  
! centroid.zpl C6cEt5  
! NY9\a[[^[8  
! Written by Kenneth Moore 9/1/92 @?\[M9yK  
! Added TIMER function 4/18/96 >{huaN B  
! jj8h>"d  
TIMER  2/v9  
! 6 s1lf!  
! The delta controls how many rays will be traced. A 1Wy0#?L  
! delta of .025 will trace a 80 x 80 grid in the pupil. #gd`X|<Ch  
! wJKP=$6n_  
delta = .025 @ob4y  
! |Wzdu2T  
print "This program computes the chief ray coordinates," t>izcO  
print "centroid coordinates, and middle coordinates for" v6q oH)n  
print "the primary wave spot at each field position." ^-GzWT  
maxfield = maxf() Uel^rfE`  
if maxfield == 0 then maxfield = 1 BT8L'qEj  
n = nsur() wYIlp  
f = 1 \c.MIDp"  
label 1 X23#y7:  
hx = fldx(f)/maxfield cas5  
hy = fldy(f)/maxfield sAec*Q(R  
raytrace hx,hy,0,0 Uc<j{U ,  
format 10.4 9et%Hn.K'  
print x\MzMQ#Bf  
print "  X Field    = ", fldx(f), }:2GD0Ru  
print "  Y Field    = ", fldy(f) ,/ bv3pE  
print "  X Chief    = ",rayx(n), l'0fRQc  
print "  Y Chief    = ",rayy(n) sp'f>F2]  
xraymax = -9e9 m"y_@Jk  
yraymax = -9e9 9C2DW,?  
xraymin =  9e9 1 /dy@'  
yraymin =  9e9 8) 1+j>OQ  
xraytot = 0 / >q?H)6  
yraytot = 0 heN?lmC  
numray = 0 <1(j&U  
numrayattempt = 0 b6y/o48  
px = -1 - delta u~y0H  
label 2 IGC:zZ~z  
px = px + delta m^M sp:T,  
py = -1 - delta /$NZj" #  
label 3 qe{:9  
py = py + delta PH]/*LEj  
rad = px*px + py*py XFv)]_G  
if rad <= 0.9999999 aH!2zC\:T  
        raytrace hx, hy, px, py oPCtLz}z  
        numrayattempt = numrayattempt+1 WQ>y;fi5/{  
        if !rayv(n)                                              **************************** ;#jE??E/:  
                numray = numray + 1 S%t*!  
                x = rayx(n) ? f\ ~:Gm/  
                y = rayy(n) z;#]xCV  
                if (x < xraymin) then xraymin = x gc KXda(  
                if (x > xraymax) then xraymax = x :t8?!9g  
                if (y < yraymin) then yraymin = y 1U(P0$C  
                if (y > yraymax) then yraymax = y #Z)8,N  
                xraytot = xraytot + x NplWF\5y  
                yraytot = yraytot + y -h?ed'e/zz  
        endif ?7]UbtW[  
endif ft" t  
if py < 1.0 then goto 3 Z>t,B%v  
if px < 1.0 then goto 2 v3 q.,I_  
if numray `1fNB1c  
        format 14.8 [W#M(`}D  
        print "  X Centroid = ",xraytot/numray, }mx>3G{d  
        print "  Y Centroid = ",yraytot/numray n |e=7?H8  
        print "  X Middle   = ",(xraymax+xraymin)/2, \J0fr'(S  
        print "  Y Middle   = ",(yraymax+yraymin)/2 &}q;,"  
        format .0 rOyKugHe  
        print "  ",numray, " out of ", numrayattempt," rays made it through." ~As/cd>9  
else W#@Mx  
        print "  No rays made it through!" 9ER!K  
endif _ a`J>~$  
f=f+1 jM%8h$&E  
if f<= nfld() then goto 1 {`>;I  
print {^jk_G\ys  
print "All field positions done!" Q`{2 yU:r  
FORMAT 0.1 %c"t`  
print "Elapsed time ", ETIM(), " seconds." WH6Bs=G\}  
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 ~( ~ y=M  
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 U3OXO 1  
的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  E~K5n2CI  
H5X.CcI&}  
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 FwaYp\z  
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