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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············· mC92J@m/L!  
IviQ)h p  
macro 正文:········· 2]=I'U<E!  
! centroid.zpl p)xI5,b$9  
! :* b4/qpYv  
! Written by Kenneth Moore 9/1/92 VAGMI+ -  
! Added TIMER function 4/18/96 ZnLk :6'  
! X:&p9_O@  
TIMER ]bb}[#AY  
! 3ohcHQ/a  
! The delta controls how many rays will be traced. A yuEOQ\!(u  
! delta of .025 will trace a 80 x 80 grid in the pupil. P1stL,  
! ^]&{"!  
delta = .025 [[h)4H{T  
! -i5g 8t'  
print "This program computes the chief ray coordinates," u 7Y< ~  
print "centroid coordinates, and middle coordinates for" 92VX5?Cyg  
print "the primary wave spot at each field position." Gc z@ze  
maxfield = maxf() :b*`hWnQ  
if maxfield == 0 then maxfield = 1 _PUm Pom.  
n = nsur() Cnci%e o  
f = 1 j%jd@z ]@  
label 1 i03}f%JnuO  
hx = fldx(f)/maxfield FNCLGAiZ  
hy = fldy(f)/maxfield `yX+NRi(s  
raytrace hx,hy,0,0 E(kpK5h{  
format 10.4 e.|RC  
print vx}Z  
print "  X Field    = ", fldx(f), ESjJHZoD(  
print "  Y Field    = ", fldy(f) =^y{@[p`(  
print "  X Chief    = ",rayx(n), 1[g!^5W  
print "  Y Chief    = ",rayy(n) umZ g}|C_  
xraymax = -9e9 /3 Ix,7  
yraymax = -9e9  Cmx2/N  
xraymin =  9e9 XW_xNkpL5c  
yraymin =  9e9 Bi :wP/>v  
xraytot = 0 ^@lg5d3F  
yraytot = 0 0gD59N'C  
numray = 0 `W$0T;MPF  
numrayattempt = 0 ]!G>8Rc  
px = -1 - delta G4%M$LJ h  
label 2 dIa(</ }  
px = px + delta )  v5n "W  
py = -1 - delta w+q;dc8  
label 3 m2q;^o:J  
py = py + delta fwv T2G4  
rad = px*px + py*py *R\/#Y|  
if rad <= 0.9999999 C1B3VG  
        raytrace hx, hy, px, py gq_7_Y/  
        numrayattempt = numrayattempt+1 8<wuH#2<y  
        if !rayv(n)                                              **************************** d3=6MX[c  
                numray = numray + 1  vs])%l%t  
                x = rayx(n) p/WH#4Xdr  
                y = rayy(n) Jv^cOc  
                if (x < xraymin) then xraymin = x @W\4UX3dK  
                if (x > xraymax) then xraymax = x &#PBww  
                if (y < yraymin) then yraymin = y Ms'TC; &PS  
                if (y > yraymax) then yraymax = y gLSG:7m@  
                xraytot = xraytot + x v7<S F  
                yraytot = yraytot + y 5 (21gW9  
        endif Q@W|GOH3  
endif x #X#V\w=  
if py < 1.0 then goto 3 #"p1Qea$  
if px < 1.0 then goto 2 )Z8"uRTb0  
if numray k CW!m  
        format 14.8 ^o6)[_L  
        print "  X Centroid = ",xraytot/numray, iPY vePQ  
        print "  Y Centroid = ",yraytot/numray 9p\Hx#^  
        print "  X Middle   = ",(xraymax+xraymin)/2, yEpN,A  
        print "  Y Middle   = ",(yraymax+yraymin)/2 Pm#x?1rAj  
        format .0 (\mulj  
        print "  ",numray, " out of ", numrayattempt," rays made it through." Ih-3t*L  
else /x:(SR2,  
        print "  No rays made it through!" bg1"v a#2  
endif ,hTwNVWI9  
f=f+1 n:*_uc^C  
if f<= nfld() then goto 1 ?dKa;0\  
print /,Dwu?Lcqp  
print "All field positions done!" N5f0| U&  
FORMAT 0.1 v(Bp1~PPZM  
print "Elapsed time ", ETIM(), " seconds." )`s;~_ZZ  
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 Q k;Kn  
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 rV8(ia  
的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  ";)r*UgR{B  
I"8d5a}  
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 ,_.@l+BM.  
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