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············· "a6
wd
2anx]QV4
macro 正文：········· 7^Jszd:c08
! centroid.zpl I
[0od+K
! n\.K:t[:
! Written by Kenneth Moore 9/1/92 C&3#'/&
! Added TIMER function 4/18/96 ev#d1s|<S
! @
MNL
TIMER VE6T&fz`
! \y:
0+s/
! The delta controls how many rays will be traced. A @iy ^a
! delta of .025 will trace a 80 x 80 grid in the pupil. ^Q4w<s X'
! lVXgp'!#j
delta = .025 net Kt_
! I1&Z@ [
print "This program computes the chief ray coordinates," n@5pS3qZ
print "centroid coordinates, and middle coordinates for" M,t8<y4 W/
print "the primary wave spot at each field position." .?_wcp=
maxfield = maxf() JXGIVH?Rpu
if maxfield == 0 then maxfield = 1 rc*&K# ? B
n = nsur() (Y'rEc#H&z
f = 1 Q{H88g^=J
label 1 ~5`rv1$
hx = fldx(f)/maxfield Yiu)0\ o
hy = fldy(f)/maxfield R?>a UFM
raytrace hx,hy,0,0 u|WX?@\
format 10.4 +fAAkO*GP
print x7l)i!/$
print " X Field = ", fldx(f), vf~q %+UqK
print " Y Field = ", fldy(f) C\.? 3
print " X Chief = ",rayx(n), S]9:3~
print " Y Chief = ",rayy(n) ]BP/KCjAI<
xraymax = -9e9 Nb#E +\q
yraymax = -9e9 @+ Berb
xraymin = 9e9 5 & -fX:/
yraymin = 9e9 E[nW B"pxE
xraytot = 0 rd0BvQ9TK
yraytot = 0 23pHB |X
numray = 0 vp4!p~C{
numrayattempt = 0 A]BG*
px = -1 - delta 5xLuu KG
label 2 7SXi#{
px = px + delta
?O\n!c
py = -1 - delta t{!}^{
"5
label 3 %9-).k
py = py + delta -G;4['p
rad = px*px + py*py {^" c>'R
if rad <= 0.9999999 i <bFF03*S
raytrace hx, hy, px, py C
n\'sb{
numrayattempt = numrayattempt+1 r&1N8o
if !rayv(n) **************************** A:p7\Kp;5}
numray = numray + 1 sTeL4g|%{
x = rayx(n) ^%#v
A S
y = rayy(n) 6rt .ec (
if (x < xraymin) then xraymin = x ;r^8In@6
if (x > xraymax) then xraymax = x ~Rk6@&ZS}
if (y < yraymin) then yraymin = y =o{zw+|% %
if (y > yraymax) then yraymax = y h k(2,z
xraytot = xraytot + x @w,-T@nAW
yraytot = yraytot + y /Kwo^Q{
endif SG8|xoL
endif BA A) IQF
if py < 1.0 then goto 3
@5acTY Q
if px < 1.0 then goto 2 7,j }]
if numray Nypa, _9}
format 14.8 ~6k Epa
print " X Centroid = ",xraytot/numray, zg)Z2?K|;u
print " Y Centroid = ",yraytot/numray C% }FVO\c
print " X Middle = ",(xraymax+xraymin)/2, -7' >Rw
print " Y Middle = ",(yraymax+yraymin)/2 rbO9NRg>
format .0 Cj _cu
print " ",numray, " out of ", numrayattempt," rays made it through." PM 7*@~.
else 1f~unb\Gg
print " No rays made it through!" T1M4@j
endif .FqbX5\p,
f=f+1 wcsUb 9(
if f<= nfld() then goto 1 ="d}:Jl
print 1W$ @ V!
print "All field positions done!" %:N5k +}
FORMAT 0.1 r<UZ\ d -
print "Elapsed time ", ETIM(), " seconds." >e=tem~/
