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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············· h,u, ^ r  
}I+E\ <  
macro 正文:········· Xv5wJlc!d  
! centroid.zpl 17%,7P9pg  
! Pe_W;q.  
! Written by Kenneth Moore 9/1/92 Olt?~}  
! Added TIMER function 4/18/96 qdJ=lhHM}  
! M>xK+q?O  
TIMER F3[T.sf  
! TTX5EDCrC  
! The delta controls how many rays will be traced. A W fN2bsx>  
! delta of .025 will trace a 80 x 80 grid in the pupil.  j|DsG,  
! #?aPisV X>  
delta = .025 r4b 6 c  
! O-0x8O^B  
print "This program computes the chief ray coordinates," #_ ;lf1x!  
print "centroid coordinates, and middle coordinates for" .]Y$o^mf  
print "the primary wave spot at each field position." ouvA~/5  
maxfield = maxf() x*\Y)9Vgy  
if maxfield == 0 then maxfield = 1 #>("CAB02T  
n = nsur() b;B%q$sntC  
f = 1 iJI }TVep#  
label 1 $u6"*|  
hx = fldx(f)/maxfield $t'MSlF  
hy = fldy(f)/maxfield 2G & a{  
raytrace hx,hy,0,0 }<0BX\@I  
format 10.4 j;+b0(53  
print 7FP*oN?  
print "  X Field    = ", fldx(f), hn7# L  
print "  Y Field    = ", fldy(f) + /4A  
print "  X Chief    = ",rayx(n), @ p9i  
print "  Y Chief    = ",rayy(n) [: n'k  
xraymax = -9e9 x}wG:K  
yraymax = -9e9 xA2YG|RU=b  
xraymin =  9e9 kr^P6}'  
yraymin =  9e9 htO +z7  
xraytot = 0 r..iko]T  
yraytot = 0 |#v7/$!  
numray = 0 r!|6:G+Q  
numrayattempt = 0 :DK {Vg6  
px = -1 - delta ]!W=^!  
label 2 )` SrfGp8  
px = px + delta r Xt}6[S  
py = -1 - delta m^!Z_]A![  
label 3 T8?Ghbn  
py = py + delta imhwY#D  
rad = px*px + py*py j1Y~_  
if rad <= 0.9999999 P8OaoPj  
        raytrace hx, hy, px, py wQ:)KjhHH  
        numrayattempt = numrayattempt+1 v|)4ocFK  
        if !rayv(n)                                              **************************** H*?t^  
                numray = numray + 1 @(EAq<5{  
                x = rayx(n) 9d0@wq.  
                y = rayy(n) wyH[x!QX  
                if (x < xraymin) then xraymin = x r(>@qGN  
                if (x > xraymax) then xraymax = x *?@?f&E/  
                if (y < yraymin) then yraymin = y NR$3%0 nC6  
                if (y > yraymax) then yraymax = y <`8n^m*  
                xraytot = xraytot + x p%up)]?0  
                yraytot = yraytot + y ]#i igPZ7  
        endif nmee 'oEw  
endif \Gef \   
if py < 1.0 then goto 3 5ORo3T%  
if px < 1.0 then goto 2 @Myo'{3vF  
if numray Ye%~I`@?  
        format 14.8 '0;l]/i.  
        print "  X Centroid = ",xraytot/numray, gi3F` m  
        print "  Y Centroid = ",yraytot/numray sU<Wnz\[  
        print "  X Middle   = ",(xraymax+xraymin)/2, >.Pnkx*  
        print "  Y Middle   = ",(yraymax+yraymin)/2 ^`i#$  
        format .0 LRxZcxmy  
        print "  ",numray, " out of ", numrayattempt," rays made it through." '?{OZXg  
else ~Py`P'+  
        print "  No rays made it through!" B6+khuG(  
endif B B{$&Oh  
f=f+1 q_:4w$>  
if f<= nfld() then goto 1 3oj' ytxN  
print 4!{KWL`A  
print "All field positions done!" -u+vJ6EY  
FORMAT 0.1 Gq)]s'r2  
print "Elapsed time ", ETIM(), " seconds." u=*FI  
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 R`5.[?Dt  
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 \A#41  
的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  l~q\3UKlt  
@l5"nBs<_:  
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 DH!~ BB;  
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