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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············· $S _VR  
-{'WIGm  
macro 正文:········· -v7O*xm"  
! centroid.zpl ' Zmslijf  
! kan4P@XVS  
! Written by Kenneth Moore 9/1/92 8o4?mhqV  
! Added TIMER function 4/18/96 c- {;P>L  
! RTR@p =ck  
TIMER X0QLT:J b  
! c_YP#U  
! The delta controls how many rays will be traced. A Us*"g{PQ  
! delta of .025 will trace a 80 x 80 grid in the pupil. 4(FEfde=  
! >m;*Zk`  
delta = .025 urK[v  
! RRH[$jk  
print "This program computes the chief ray coordinates," /}=Bi-  
print "centroid coordinates, and middle coordinates for" d*{NAq'9X  
print "the primary wave spot at each field position." F ak"u'~  
maxfield = maxf() 2XN];,{  
if maxfield == 0 then maxfield = 1 ,:1_I`d>#X  
n = nsur() QirS=H+~  
f = 1 #^ cmh  
label 1 Y]R;>E5o|  
hx = fldx(f)/maxfield @ s2<y@  
hy = fldy(f)/maxfield rFPfTpS  
raytrace hx,hy,0,0  ,m-/R  
format 10.4 ^Gs=U[**  
print ] oh.w  
print "  X Field    = ", fldx(f), PLmf.hD\  
print "  Y Field    = ", fldy(f) 4dwG6-  
print "  X Chief    = ",rayx(n), lZa L=HS#L  
print "  Y Chief    = ",rayy(n) wUbs9y<  
xraymax = -9e9 M)1? $'Aq  
yraymax = -9e9 $WV N4fg  
xraymin =  9e9 fq2t^c|$  
yraymin =  9e9 L~])?d  
xraytot = 0 e:&(y){n(  
yraytot = 0  h7h[! >  
numray = 0 MSw:Ay [9  
numrayattempt = 0 If*t$f>y4N  
px = -1 - delta ~20O&2  
label 2 sZ!/uN!6  
px = px + delta jK{)gO  
py = -1 - delta  %wYGI  
label 3 eZ^-gk?  
py = py + delta J|z>5Z  
rad = px*px + py*py e+t2F |xDh  
if rad <= 0.9999999 z` :uvEX0  
        raytrace hx, hy, px, py j5yxdjx9  
        numrayattempt = numrayattempt+1 ~A5MzrvIO2  
        if !rayv(n)                                              **************************** )K0BH q7r  
                numray = numray + 1 LmKG6>Q1#1  
                x = rayx(n) _ IqUp Y  
                y = rayy(n) ma<+!*|   
                if (x < xraymin) then xraymin = x pg.z `k  
                if (x > xraymax) then xraymax = x $O/@bh1@p  
                if (y < yraymin) then yraymin = y _m+64qG_8'  
                if (y > yraymax) then yraymax = y G/*0*&fW  
                xraytot = xraytot + x )Bq~1M 2  
                yraytot = yraytot + y IC6}s  
        endif }LaRa.3  
endif nz=X/J6  
if py < 1.0 then goto 3 ^\X-eeA  
if px < 1.0 then goto 2 -R[ *S "  
if numray  3O:gZRxK  
        format 14.8 `6.rTs $<  
        print "  X Centroid = ",xraytot/numray, $1h,<$5H  
        print "  Y Centroid = ",yraytot/numray _Co*"hl>2  
        print "  X Middle   = ",(xraymax+xraymin)/2, BN?OvQ  
        print "  Y Middle   = ",(yraymax+yraymin)/2 UoLvc~n7  
        format .0 =psX2?%L  
        print "  ",numray, " out of ", numrayattempt," rays made it through." BmRk|b  
else \Ami-<T  
        print "  No rays made it through!" i5>]$j1/  
endif AC$:.KLI  
f=f+1 @@,l0/  
if f<= nfld() then goto 1 )rTV}Hk  
print _dT,%q  
print "All field positions done!" >^8=_i !  
FORMAT 0.1 ctv=8SFv(  
print "Elapsed time ", ETIM(), " seconds." b|cUKsL5  
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 c({V[eGY  
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 n+Ia@ $|m  
的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  "t4$%7L]  
<q V<dK&W  
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 ""GeO%J8  
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