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·············
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macro 正文：········· VW@ x=m
! centroid.zpl kax\h
! U@Tj B
! Written by Kenneth Moore 9/1/92 JR9$. fGJ
! Added TIMER function 4/18/96 C;Ic
! Y-~~,Yl~
TIMER td{O}\s7D
! .5> 20\b2
! The delta controls how many rays will be traced. A wP"q<W
g
! delta of .025 will trace a 80 x 80 grid in the pupil. 6<Hu8$G|
! ?@R")$
delta = .025 u-DK_^v4M
! HFo-4 "
print "This program computes the chief ray coordinates," LS.r%:$mb
print "centroid coordinates, and middle coordinates for" -Dzsa
print "the primary wave spot at each field position." 99OD= pxQ
maxfield = maxf() 0{^H]Y
if maxfield == 0 then maxfield = 1 VY+>=!
n = nsur() #\4 b:dv
f = 1 jU=<r
label 1 wH"kk4^
hx = fldx(f)/maxfield kGN||h
hy = fldy(f)/maxfield F9XT
lA
raytrace hx,hy,0,0 r;iV$Rq !
format 10.4 TSL9ax4j
print cs_}&!c{
print " X Field = ", fldx(f), uD>z@J-v
print " Y Field = ", fldy(f) beZ(o ?uK
print " X Chief = ",rayx(n), oP,9#FC|(
print " Y Chief = ",rayy(n)
N< JHjq
xraymax = -9e9 ,
fb(
WY
yraymax = -9e9 Vm8D "I5i
xraymin = 9e9 W"hcaa,&
yraymin = 9e9 L>Jd7; =
xraytot = 0 . p^xS6e{
yraytot = 0 S7n" 3.k
numray = 0 zW4 O4b$T
numrayattempt = 0 gbOCR1PBg
px = -1 - delta *j*Du+
label 2 `Y3( ~~YGn
px = px + delta ~!+h?[miV
py = -1 - delta b; 9n'UX\
label 3 i (HByI
py = py + delta m/USC'U%
rad = px*px + py*py -!*p*3|03|
if rad <= 0.9999999 K%{ad1$c
raytrace hx, hy, px, py 0^_MN~s(X
numrayattempt = numrayattempt+1 ;Gm>O7"|@
if !rayv(n) **************************** w;yx<1f
numray = numray + 1 ]1fZupM^6
x = rayx(n) EIX\O6*
y = rayy(n) V,QwN&
if (x < xraymin) then xraymin = x 6 w#n kF
if (x > xraymax) then xraymax = x rS~qi}4X
if (y < yraymin) then yraymin = y izt^Wi|
if (y > yraymax) then yraymax = y /jrY %C
xraytot = xraytot + x hWGZd~L
yraytot = yraytot + y 2m J: c
endif boQ)fV"
endif fwmLJ5o
N
if py < 1.0 then goto 3 /)1v9<vM"
if px < 1.0 then goto 2 Y"> 4Qx4W
if numray /GsrGX8
format 14.8 r7X D&Y
print " X Centroid = ",xraytot/numray, ^eTZn[qH>w
print " Y Centroid = ",yraytot/numray SWoEt1w
print " X Middle = ",(xraymax+xraymin)/2, G.VYp6)5
print " Y Middle = ",(yraymax+yraymin)/2 t* z'c
format .0 :{CFTc5:A
print " ",numray, " out of ", numrayattempt," rays made it through." J%r7<y\
else xw%)rm<t
print " No rays made it through!" J'7 y
endif ec?1c&E
f=f+1 )y\BY8
if f<= nfld() then goto 1 5 LMj!)3
print A c:\c7M;
print "All field positions done!" 75(W(V(q
FORMAT 0.1 {( HxG4~
print "Elapsed time ", ETIM(), " seconds." </w 7W3F
