[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············· BPtU]Bv-  
N(6|TE2  
macro 正文：········· L~CwL  
! centroid.zpl DCFYpkR%  
! 0vf2wBK'T  
! Written by Kenneth Moore 9/1/92 sYgpK92  
! Added TIMER function 4/18/96 N'3Vt8o,  
! Dtt[a  
TIMER cC b'z1  
! ^DM^HSm  
! The delta controls how many rays will be traced. A tBp dKJn##  
! delta of .025 will trace a 80 x 80 grid in the pupil. J_<ENs-  
! 6xvyhg#B  
delta = .025 _.yBX\tf[  
! 8?J\  
print "This program computes the chief ray coordinates," e%u1O-*  
print "centroid coordinates, and middle coordinates for" \k;*Ej~.  
print "the primary wave spot at each field position." `gSqwN<x%  
maxfield = maxf() 3I@j=:(%Y  
if maxfield == 0 then maxfield = 1 vSX71  
n = nsur() L1 O\PEeT  
f = 1 aU4v-9@U8  
label 1 rq:R6e  
hx = fldx(f)/maxfield d*4fl.
 
hy = fldy(f)/maxfield q!t_qX7u  
raytrace hx,hy,0,0 58ev (f  
format 10.4 -[^aWNqyJ  
print uF/l,[0v  
print "  X Field    = ", fldx(f), E0o=  
print "  Y Field    = ", fldy(f) L?23Av0W  
print "  X Chief    = ",rayx(n), %nSLe~b  
print "  Y Chief    = ",rayy(n) YP5V~-O/  
xraymax = -9e9 gR )xw)!  
yraymax = -9e9 37Q9goMov  
xraymin =  9e9 %lF}!  
yraymin =  9e9 ^`!5!|  
xraytot = 0 /n"Ib)M  
yraytot = 0 KD11<&4_x  
numray = 0 4en[!*  
numrayattempt = 0 6av]LYK  
px = -1 - delta 0sD"Hu  
label 2 ep>*]'  
px = px + delta y 4j0nF  
py = -1 - delta sL[&y'+  
label 3 FZ)_WaqGf  
py = py + delta / q*n*j  
rad = px*px + py*py Y&6vTU  
if rad <= 0.9999999 tF}Vs}  
        raytrace hx, hy, px, py 87.b7 b.  
        numrayattempt = numrayattempt+1 wi-O}*O   
        if !rayv(n)                                              **************************** T:p,!?kc7  
                numray = numray + 1 kC"lO'  
                x = rayx(n) t2Q40' `  
                y = rayy(n)  ky0Fm W  
                if (x < xraymin) then xraymin = x G}<%%U D  
                if (x > xraymax) then xraymax = x I<PKwT/?  
                if (y < yraymin) then yraymin = y V<A_c^unO  
                if (y > yraymax) then yraymax = y !#wd~: H  
                xraytot = xraytot + x cOkjeHs 5  
                yraytot = yraytot + y )4q0(O)d  
        endif kGR5!8$z  
endif V4@HIM  
if py < 1.0 then goto 3 {ULyB$\-  
if px < 1.0 then goto 2 2mg4*Y
s  
if numray 1iyd{r7|  
        format 14.8 %%5K%z,R#  
        print "  X Centroid = ",xraytot/numray, #z$FxZT<b  
        print "  Y Centroid = ",yraytot/numray 4
Y2l]86  
        print "  X Middle   = ",(xraymax+xraymin)/2, MLf,5f;e  
        print "  Y Middle   = ",(yraymax+yraymin)/2 ig(dGKD\=9  
        format .0 >T: Yp<  
        print "  ",numray, " out of ", numrayattempt," rays made it through." Z:7X=t=  
else = zJY5@^'7  
        print "  No rays made it through!" K89 AZxH  
endif m/vwM
"  
f=f+1 |O =Fz3)  
if f<= nfld() then goto 1 1<g,1TR  
print 7v\K,P8  
print "All field positions done!" |a/1mUxQ&  
FORMAT 0.1 Sg;c|u  
print "Elapsed time ", ETIM(), " seconds." "_dh6naZX  

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 cu&tdg^q  
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 v&:R{  
的影響，因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  lqC a%V  

kzs}U'U  
Kimclps兄果然学识过人，受教了·····

不敢當，互相切磋。

受教了 @:DS/#!