[讨论]macros [复制链接]

       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············· BI,]pf;GWv  
EHf,VIC8  
macro 正文：········· j96}E/gF  
! centroid.zpl m5N,
[^-  
! r7_%t_O|IL  
! Written by Kenneth Moore 9/1/92 mUP!jTF  
! Added TIMER function 4/18/96 :PN%'~}n  
! PbvA~gm  
TIMER [c1Gq)ht  
! yZp/P%y  
! The delta controls how many rays will be traced. A )ej1)RU"  
! delta of .025 will trace a 80 x 80 grid in the pupil. %$o[,13=  
! ]5a3
e+  
delta = .025 jGkDD8K [  
! !'# D~  
print "This program computes the chief ray coordinates," '#=n>  
print "centroid coordinates, and middle coordinates for" ZEDvY=@a   
print "the primary wave spot at each field position." F?a 63,r  
maxfield = maxf() c9jS !uDMK  
if maxfield == 0 then maxfield = 1 jf;n*  
n = nsur() 0%&}wUjV  
f = 1 x
WY\,'+Q  
label 1 pO)EYla9  
hx = fldx(f)/maxfield Dl0{pGK~  
hy = fldy(f)/maxfield
(m!kg  
raytrace hx,hy,0,0 5 S
lz^@n  
format 10.4 i qxMTH#!  
print ;(}~m&p  
print "  X Field    = ", fldx(f), F~rl24F  
print "  Y Field    = ", fldy(f) &gT@oS{  
print "  X Chief    = ",rayx(n), ^.@%n1I"5y  
print "  Y Chief    = ",rayy(n) V+lS\E.  
xraymax = -9e9 #=)>,6Zw  
yraymax = -9e9 `IBNBJy
 
xraymin =  9e9 +$>aT(q  
yraymin =  9e9 /=za m3kd  
xraytot = 0 58HAl_8W  
yraytot = 0 ,37<FXX,  
numray = 0 kFkI[WKyZ  
numrayattempt = 0 32aI0CT  
px = -1 - delta l-c:'n  
label 2 eF7I5k4  
px = px + delta d:A'|;']  
py = -1 - delta t~ I;IB  
label 3 ~$^>Vo  
py = py + delta ?ZC!E0]  
rad = px*px + py*py }JQy&V%  
if rad <= 0.9999999 vY.VFEP/  
        raytrace hx, hy, px, py e#}Fm;|d  
        numrayattempt = numrayattempt+1 b=sY%(2s  
        if !rayv(n)                                              **************************** +{;wOQ.  
                numray = numray + 1 $A,YQH+  
                x = rayx(n) [h B$%i]\<  
                y = rayy(n) 3jW&S  
                if (x < xraymin) then xraymin = x Au)~"N~p?  
                if (x > xraymax) then xraymax = x vAop#V  
                if (y < yraymin) then yraymin = y znWB.H  
                if (y > yraymax) then yraymax = y s}UJv\*  
                xraytot = xraytot + x FY)]yz  
                yraytot = yraytot + y F}[!OYyg  
        endif zNo"P[J8  
endif :}#)ipr  
if py < 1.0 then goto 3 BaP'y8dVN  
if px < 1.0 then goto 2 bxO/FrwTj{  
if numray 1VG]|6f  
        format 14.8 d+]=l+&  
        print "  X Centroid = ",xraytot/numray, _~umE/tz  
        print "  Y Centroid = ",yraytot/numray `?l /HUw  
        print "  X Middle   = ",(xraymax+xraymin)/2, qW4\t  
        print "  Y Middle   = ",(yraymax+yraymin)/2 sieC7raO  
        format .0 >e-0A  
        print "  ",numray, " out of ", numrayattempt," rays made it through." (w"(RM~  
else sEfT#$ a^8  
        print "  No rays made it through!" !or_CJ8%  
endif z"QtP[_m  
f=f+1 L|s\IM1g  
if f<= nfld() then goto 1 Pq{p\Qkj  
print vy={ziJ  
print "All field positions done!" ]D,_<Kk  
FORMAT 0.1 PMb
q5  
print "Elapsed time ", ETIM(), " seconds." (igB'S5wf  

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 <|G!Qn?2-  
的影響，因此須知道漸暈才能算出chief ray位置。

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 K@Q%NK,  
的影響，因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  OqF8KJnO;  

i-@V  
Kimclps兄果然学识过人，受教了·····

不敢當，互相切磋。

受教了 OP-{76vE&b