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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············· 3=#<X-);  
VO5#Qgen  
macro 正文:········· $V;i '(&7  
! centroid.zpl _{ue8kGt  
! Mc lkEfn  
! Written by Kenneth Moore 9/1/92 !"e5h`/ADM  
! Added TIMER function 4/18/96 Ng&%o  
! AD> e?u  
TIMER ;._ l 0Jw  
! &$BjV{,/zc  
! The delta controls how many rays will be traced. A !vi> U|rh  
! delta of .025 will trace a 80 x 80 grid in the pupil. te`$%NRl  
! J`Q>3] wL  
delta = .025 AOZP*\k  
! PN%zIkbo  
print "This program computes the chief ray coordinates," OG~gFZr)6  
print "centroid coordinates, and middle coordinates for" 5&g@3j]  
print "the primary wave spot at each field position." o)|flI'vT  
maxfield = maxf() W-f=]eWg  
if maxfield == 0 then maxfield = 1 f^ZRT@`O  
n = nsur() ,]C;sN%~}  
f = 1 "s-"<&>a(  
label 1 3d8L6GJ  
hx = fldx(f)/maxfield nUr5Qn?  
hy = fldy(f)/maxfield &3>)qul  
raytrace hx,hy,0,0 hF?1y`20  
format 10.4 KM0ru  
print ;LfXi 8)  
print "  X Field    = ", fldx(f), OdbEq?3S/?  
print "  Y Field    = ", fldy(f) ~G p [_ %K  
print "  X Chief    = ",rayx(n), B4/>H|  
print "  Y Chief    = ",rayy(n) *"2+B&Y  
xraymax = -9e9 Tb}4wLu  
yraymax = -9e9 >{ ]%F*p4  
xraymin =  9e9 ^#-l q)  
yraymin =  9e9 o 11jca|  
xraytot = 0 # +>oZWVc  
yraytot = 0 >=lC4Tu  
numray = 0 mUC)gA/  
numrayattempt = 0 H'5)UX@LP  
px = -1 - delta G't$Qx,IC  
label 2 yN0Vr\r2  
px = px + delta y1D L,%j  
py = -1 - delta 5ta `%R_  
label 3 pad*oPH,  
py = py + delta %Xg4b6<9  
rad = px*px + py*py ;;Y! ^^g  
if rad <= 0.9999999 9=M$AB  
        raytrace hx, hy, px, py g/_5unI}u  
        numrayattempt = numrayattempt+1 ]%SH>  
        if !rayv(n)                                              **************************** m 0C@G5  
                numray = numray + 1 \\ij(>CI  
                x = rayx(n) @7c?xQVd$  
                y = rayy(n) \7eUw,~Q>  
                if (x < xraymin) then xraymin = x "cGk)s  
                if (x > xraymax) then xraymax = x 7WqH&vU|  
                if (y < yraymin) then yraymin = y VCfl`Aq'l  
                if (y > yraymax) then yraymax = y m~ABC#,2  
                xraytot = xraytot + x <}Vrl`?h  
                yraytot = yraytot + y ?<,l3pwqa  
        endif E~T-=ocKE  
endif ?81c 4w  
if py < 1.0 then goto 3 3*bU6$|5FP  
if px < 1.0 then goto 2 >uB?rGcM  
if numray zk+9'r`-D  
        format 14.8 (m}'4et~L  
        print "  X Centroid = ",xraytot/numray, Q*cf(  
        print "  Y Centroid = ",yraytot/numray 2.y-48Nz  
        print "  X Middle   = ",(xraymax+xraymin)/2, {WS;dX4  
        print "  Y Middle   = ",(yraymax+yraymin)/2 ^CH=O|8j  
        format .0 4@gG<QJW  
        print "  ",numray, " out of ", numrayattempt," rays made it through." 3`?7 <YJ  
else S+6.ZZ9c  
        print "  No rays made it through!" G _tCmu\  
endif :,7hWs  
f=f+1 fbvL7* (  
if f<= nfld() then goto 1 D) P._?  
print On?v|10r'  
print "All field positions done!" ^ +\dz  
FORMAT 0.1 hfB%`x#akQ  
print "Elapsed time ", ETIM(), " seconds." 6_;icpN]  
kimclps 2013-01-24 14:06
centroid的chief ray定義為通過光束中心(而非stop中心)的光線,其位置會受漸暈 2[yd> (`  
的影響,因此須知道漸暈才能算出chief ray位置。
moth 2013-01-27 19:43
kimclps:centroid的chief ray定義為通過光束中心(而非stop中心)的光線,其位置會受漸暈 q;CiV  
的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  `h\j99  
]m<$}  
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 /~?*=}c^m  
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