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············· pX]21&F
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macro 正文：········· [D9 :A
! centroid.zpl ylim/`u}6
! P' FK k<
! Written by Kenneth Moore 9/1/92 x~(y "^ph
! Added TIMER function 4/18/96 X8.y4 {5
! kpT>G$s~gy
TIMER <[5#c*A
! - #Jj-t_Fe
! The delta controls how many rays will be traced. A ] j1
vbk
! delta of .025 will trace a 80 x 80 grid in the pupil. TPqvp|~2
! s?+fPOF
delta = .025 Q
%y,;N"ro
! M/)B" q
print "This program computes the chief ray coordinates," f~v"zT
print "centroid coordinates, and middle coordinates for" TRCI\
print "the primary wave spot at each field position." j #es2;
maxfield = maxf() X=#It&m%s
if maxfield == 0 then maxfield = 1 P09,P
n = nsur() w?/f Z x
f = 1 G)4SWu0<t
label 1 `
Rsl]
GB
hx = fldx(f)/maxfield t}c v2S
hy = fldy(f)/maxfield K
/8qB~J*
raytrace hx,hy,0,0 y\z*p&I
format 10.4 >OTl2F}4 !
print E7gL~4I
print " X Field = ", fldx(f), tUrNp~ve,
print " Y Field = ", fldy(f) 1zR/HT
print " X Chief = ",rayx(n), Y kVRl [
print " Y Chief = ",rayy(n) ofl'G] /$+
xraymax = -9e9 @%% bRY
yraymax = -9e9 ` +Xe'ey
xraymin = 9e9 J[MVE4&
yraymin = 9e9 }eI`Qg
xraytot = 0 ifd}]UMQ
yraytot = 0 h\2}875
numray = 0 oM2|]ew)
numrayattempt = 0 >waN;&> /
px = -1 - delta -@#Pc#
label 2 O68 b zi]
px = px + delta WySNL#>a
py = -1 - delta %d b3f
z
label 3 p ^](3Vi(
py = py + delta h2AGEg'g2[
rad = px*px + py*py :K: f^o]s
if rad <= 0.9999999 -#daBx
?
raytrace hx, hy, px, py t+jIHo
numrayattempt = numrayattempt+1 u9 %;{:]h
if !rayv(n) **************************** #Af)n(
numray = numray + 1 T 4vogoy
x = rayx(n) >
Z] P]e
y = rayy(n) 7
s7}?l9
if (x < xraymin) then xraymin = x 3 L*+ 8a
if (x > xraymax) then xraymax = x ~.FnpMDY
if (y < yraymin) then yraymin = y rAL1TU(vm
if (y > yraymax) then yraymax = y &Q<EfB
xraytot = xraytot + x \3L$I-]m
yraytot = yraytot + y #0jSZ g^,"
endif h<G yplG
endif G]at{(^Vz
if py < 1.0 then goto 3 "Jf4N
if px < 1.0 then goto 2 k"0%' Y
if numray 9x4wk*z
format 14.8 JXlTN[O
print " X Centroid = ",xraytot/numray, )Kxs@F
print " Y Centroid = ",yraytot/numray RFh U#
print " X Middle = ",(xraymax+xraymin)/2, ;B*L1'FF%t
print " Y Middle = ",(yraymax+yraymin)/2 \f6lT3"VN
format .0 <\+Po<)3 j
print " ",numray, " out of ", numrayattempt," rays made it through." b_q! >&c
else 8 f|9W%jt
print " No rays made it through!" %f_FGh
endif ]~$c~*0g
f=f+1 md.*
if f<= nfld() then goto 1 ?`z a-+<r<
print L ,f^mX0<
print "All field positions done!" fF\*v
FORMAT 0.1 GOUY _&}tL
print "Elapsed time ", ETIM(), " seconds." ="/R5fp
