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············· xZ6~Ma 2z Zn
''_fjh macro 正文：········· S-k8jm ! centroid.zpl W7 Cc ! xL{a ! Written by Kenneth Moore 9/1/92 9\/xOw R ! Added TIMER function 4/18/96 8ELCs<xI ! MrDc$p W G TIMER i (iXD ! u /M+u; ! The delta controls how many rays will be traced. A T;,cN7>>O ! delta of .025 will trace a 80 x 80 grid in the pupil. (CsD*U`h ! !Cr(P e] delta = .025 %@.v2 cT ! Y8o)FVcyNy print "This program computes the chief ray coordinates," Fxm$9(Y print "centroid coordinates, and middle coordinates for" E=>FjCsu<- print "the primary wave spot at each field position." <-[wd.M_ maxfield = maxf() 4"(<X if maxfield == 0 then maxfield = 1 * g 6n n = nsur() a'2$nbp} f = 1 | h;0H` label 1 m^b Nuo hx = fldx(f)/maxfield ^R# E:3e hy = fldy(f)/maxfield ptU \[Tq raytrace hx,hy,0,0 CE/Xfh'44 format 10.4 =zKhz8B( print .
koYHq print " X Field = ", fldx(f), MBqt &_?K print " Y Field = ", fldy(f) PK0%g$0 print " X Chief = ",rayx(n), ;* :Pw?' print " Y Chief = ",rayy(n) n
p\TlUc xraymax = -9e9 go'-5 in( yraymax = -9e9 MM (xk xraymin = 9e9 )pq;*~ IBI yraymin = 9e9 T[j#M+p xraytot = 0 MP!d 4 yraytot = 0 UE$UR#T'w numray = 0 ~c %hWt numrayattempt = 0 @Ub"5Fl4 px = -1 - delta )i !o 8YB label 2 'H
\9:7 px = px + delta @te!Jgu{ py = -1 - delta Yy)tmq label 3 .
r[Hu40p py = py + delta :9^;Qv* rad = px*px + py*py 0V'nK V"| if rad <= 0.9999999 {T X]\ufG raytrace hx, hy, px, py ug+io mZ numrayattempt = numrayattempt+1 K 95p>E`9e if !rayv(n) **************************** ]%?YZn<{ numray = numray + 1 E0MGRI"me x = rayx(n) a2
Y;xe y = rayy(n) 9J9) AV if (x < xraymin) then xraymin = x
@I_8T$N= if (x > xraymax) then xraymax = x %*`J k#W: if (y < yraymin) then yraymin = y !f&Kf,#b` if (y > yraymax) then yraymax = y @U3Vc|
xraytot = xraytot + x qoj$ ]
yraytot = yraytot + y B [Zjfc endif `kZ @Zmj# endif l i0i" if py < 1.0 then goto 3 }Ub6eXf(2 if px < 1.0 then goto 2 =
c>Qx"Sw if numray oAP b*;} format 14.8 /+\uq F8F print " X Centroid = ",xraytot/numray, &!/}Qp print " Y Centroid = ",yraytot/numray &Ncz v"TM print " X Middle = ",(xraymax+xraymin)/2, n#wI@W >%+ print " Y Middle = ",(yraymax+yraymin)/2 ;uw Ryd format .0 %2XHNW print " ",numray, " out of ", numrayattempt," rays made it through." Y6Lf@}2(i else f"u%J/e & print " No rays made it through!" jF =gr$ endif 6y6<JR-V2k f=f+1 -lhLA`6_R if f<= nfld() then goto 1 'J6
M*vO print \hM|(*DL print "All field positions done!" Z(Bp 0a FORMAT 0.1 t5#rps\; print "Elapsed time ", ETIM(), " seconds." DR c)iE>@
