[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············· (bsywM  
Ki:t!vAO  
macro 正文：········· 6yUThv.G#  
! centroid.zpl W,,3@:  
! $s ,g&7*-  
! Written by Kenneth Moore 9/1/92 0FL'8!e<  
! Added TIMER function 4/18/96 ~x4]p|)</  
! 9 4bDJy1  
TIMER dg*xo9Xi`  
! hN0h
'JJ[7  
! The delta controls how many rays will be traced. A v; ewMiK@E  
! delta of .025 will trace a 80 x 80 grid in the pupil. R$IsP,Uw  
! O5:U2o-  
delta = .025 SJc*Rl>
 
! !"/"Mqs3$  
print "This program computes the chief ray coordinates," /W f.Gt9[  
print "centroid coordinates, and middle coordinates for" "WmsBdO  
print "the primary wave spot at each field position." &)Zv>P8z`  
maxfield = maxf() Nk%$;
Si  
if maxfield == 0 then maxfield = 1 ]!1HN3  
n = nsur() 3HR)H-@6@7  
f = 1 Fsq)co  
label 1 opn
6 C )  
hx = fldx(f)/maxfield (6H7?nv  
hy = fldy(f)/maxfield 8?'=Aeo  
raytrace hx,hy,0,0 !.iFU+?V  
format 10.4 |'o<w ]hc  
print iM9k!u FE  
print "  X Field    = ", fldx(f), dEkST[Y3  
print "  Y Field    = ", fldy(f) Q;y4yJ$wI  
print "  X Chief    = ",rayx(n), U+ Yu_=o{  
print "  Y Chief    = ",rayy(n) )BaGY  
xraymax = -9e9 %RwWyzm#\  
yraymax = -9e9 ? YIe<  
xraymin =  9e9 pE+:tMH;  
yraymin =  9e9 Zs0;92WL  
xraytot = 0 #ax% n  
yraytot = 0 )B-[Q#*A-  
numray = 0 MYxuQ|w  
numrayattempt = 0 rK;<-RE<[:  
px = -1 - delta yO
\bVu5V  
label 2 ,G?Kb#  
px = px + delta .bV^u  
py = -1 - delta xrNe:Aj  
label 3 L`Ys`7  
py = py + delta %@aC5^Ovy+  
rad = px*px + py*py 'tQp&pj  
if rad <= 0.9999999 {pre|r\  
        raytrace hx, hy, px, py E)
p[^1WC  
        numrayattempt = numrayattempt+1 K'E)?NW69  
        if !rayv(n)                                              **************************** wwR}h I(  
                numray = numray + 1 X$t!g`  
                x = rayx(n) A'u]z\&%c  
                y = rayy(n) c\szy&W  
                if (x < xraymin) then xraymin = x xu]Kt+QnSk  
                if (x > xraymax) then xraymax = x jgEYlZ  
                if (y < yraymin) then yraymin = y NYxL7:9  
                if (y > yraymax) then yraymax = y 5[*8CY  
                xraytot = xraytot + x h<CRW-  
                yraytot = yraytot + y #4nBov3d  
        endif _x$Eq: i  
endif Mbly-l{|  
if py < 1.0 then goto 3 Y)GU{  
if px < 1.0 then goto 2 ,k@iNid  
if numray weGsjy(b]N  
        format 14.8 Z)3oiLmD  
        print "  X Centroid = ",xraytot/numray, l\m7~  
        print "  Y Centroid = ",yraytot/numray 
X$%W&:  
        print "  X Middle   = ",(xraymax+xraymin)/2, 3RlNEc%)  
        print "  Y Middle   = ",(yraymax+yraymin)/2 ycIcM~<4  
        format .0 Sq2 8=1%  
        print "  ",numray, " out of ", numrayattempt," rays made it through." vQoZk,  
else p]s)Xys  
        print "  No rays made it through!" i}
|jHlv  
endif pma=
*  
f=f+1 Q!AGalP z  
if f<= nfld() then goto 1 ]R09-s 0$7  
print 5VVU%STP  
print "All field positions done!" uXA}" f2  
FORMAT 0.1 &I{5f-o*  
print "Elapsed time ", ETIM(), " seconds." Oq}7q!H  

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 (2RuQgO  
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 J8&0l&~6  
的影響，因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  LO%OH u}]  

%^u e  
Kimclps兄果然学识过人，受教了·····

不敢當，互相切磋。

受教了 ~yY5pnJ