[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············· ++}#pl8e  
CasFj9,  
macro 正文：········· 7D4I>N'T  
! centroid.zpl Zk #C!]=  
! s3
)T}52  
! Written by Kenneth Moore 9/1/92 Ucj>gc=  
! Added TIMER function 4/18/96 !_:|mu'  
! ^p~3H  
TIMER sv*xO7D.  
! rzKn5
Z  
! The delta controls how many rays will be traced. A jAD{?/RB}  
! delta of .025 will trace a 80 x 80 grid in the pupil. %U$%x  
! Lw{'mtm  
delta = .025 v
FGVz  
! KkZo|\V  
print "This program computes the chief ray coordinates," q%FXox~b  
print "centroid coordinates, and middle coordinates for" BeM|1pe.  
print "the primary wave spot at each field position." ":^cb =  
maxfield = maxf() jhE3@c@pT  
if maxfield == 0 then maxfield = 1 ACH!Gw~  
n = nsur() SVT'fPm1M  
f = 1 D?cE$P  
label 1 W.<I:q`eO  
hx = fldx(f)/maxfield 4Bq
4d.0  
hy = fldy(f)/maxfield nIqmora  
raytrace hx,hy,0,0 :;Wh!8+j  
format 10.4 ;gW?Fnry;  
print Y.8mgy>   
print "  X Field    = ", fldx(f), j=w`%nh4"f  
print "  Y Field    = ", fldy(f) (
2%z9W  
print "  X Chief    = ",rayx(n), 12yX`9h>  
print "  Y Chief    = ",rayy(n) 2ZFp(e^%  
xraymax = -9e9 96CC5  
yraymax = -9e9 t/:]\|]WB  
xraymin =  9e9 +DP{_x)t  
yraymin =  9e9 q0QB[)AP  
xraytot = 0 Og<UW^VR  
yraytot = 0 xr4kBC t  
numray = 0 5I@2UvV8  
numrayattempt = 0 9@z"~H  
px = -1 - delta nYO4JlNP  
label 2 ,46k8%
WW  
px = px + delta Hh.l,Z7i7D  
py = -1 - delta u:&Lf  
label 3 W RVm^  
py = py + delta [ f`V_1d3  
rad = px*px + py*py j
*N:Kdzvl  
if rad <= 0.9999999 fwi(qx1=}  
        raytrace hx, hy, px, py )~[hf,R5S  
        numrayattempt = numrayattempt+1 }KwL_\>&f  
        if !rayv(n)                                              **************************** fRd^@@,[  
                numray = numray + 1 '#0'_9}  
                x = rayx(n) )}jXC4  
                y = rayy(n) _8"%nV  
                if (x < xraymin) then xraymin = x v}\Nx[}  
                if (x > xraymax) then xraymax = x xA2"i2k9  
                if (y < yraymin) then yraymin = y TwXqk>J  
                if (y > yraymax) then yraymax = y Q#rj>+?  
                xraytot = xraytot + x ln6Hr^@5  
                yraytot = yraytot + y cp
>1b8l6?  
        endif J.QFrIB{]+  
endif KPSHBv-#  
if py < 1.0 then goto 3 X,8]g.<  
if px < 1.0 then goto 2 V}kQXz"9  
if numray mdTCe HX  
        format 14.8 /a!M6:,pX  
        print "  X Centroid = ",xraytot/numray, ~1v5H]T{  
        print "  Y Centroid = ",yraytot/numray 6S#e?>"+  
        print "  X Middle   = ",(xraymax+xraymin)/2, \P|PAU@,  
        print "  Y Middle   = ",(yraymax+yraymin)/2 &I$MV5)u  
        format .0 %^$7z,>;  
        print "  ",numray, " out of ", numrayattempt," rays made it through." 4R/cN'-  
else h+7THMI  
        print "  No rays made it through!" N8^AH8l  
endif [~<X|_LG  
f=f+1 &{c.JDO  
if f<= nfld() then goto 1 kq kj.#u  
print .`3O4]N[  
print "All field positions done!" zg2}R4h  
FORMAT 0.1 a.yCd/  
print "Elapsed time ", ETIM(), " seconds." vC9Qe ]f  

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 uwcm%N;I"  
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 raWs6b4Q  
的影響，因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  MM}lW-q;  

e7m>p\"  
Kimclps兄果然学识过人，受教了·····

不敢當，互相切磋。

受教了 }ZQ)]Mr