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············· ))KsQJ"V
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macro 正文:········· #&8Opo(
! centroid.zpl WG}QLcP
! 2Q k\}KWs
! Written by Kenneth Moore 9/1/92 0~S<}N
! Added TIMER function 4/18/96 nVM`&azD
! `UJW:qqW
TIMER \U-5&,fP
! ?,8b-U#A1
! The delta controls how many rays will be traced. A x<3vA|o
! delta of .025 will trace a 80 x 80 grid in the pupil. l|up3A3)
! & {/u>,
delta = .025 :<(<tz7dj
! /6.b>|zF
print "This program computes the chief ray coordinates," G?_,(
print "centroid coordinates, and middle coordinates for" 3}gK`1Nq1
print "the primary wave spot at each field position." a #0{tZd
maxfield = maxf() hBqu,A
if maxfield == 0 then maxfield = 1 y(zU:.
n = nsur() Q?;ntzi
f = 1 z"vgwOP su
label 1
<?7~,#AK
hx = fldx(f)/maxfield jXDo!a|4y
hy = fldy(f)/maxfield K*}j1A
raytrace hx,hy,0,0 vVf!XZF
format 10.4 V9bLm,DtT
print ^R$dG[Qf
print " X Field = ", fldx(f), enrmjA&3
print " Y Field = ", fldy(f) .R"L$V$RU.
print " X Chief = ",rayx(n), $.cGRz
print " Y Chief = ",rayy(n) 3gh^a;uC
xraymax = -9e9 ^KF'/9S
yraymax = -9e9 {2Ibd i
xraymin = 9e9 [aC9vEso!
yraymin = 9e9 &tOD
xraytot = 0 bDNd
m-
yraytot = 0 0cbF.Um8
numray = 0 }<S2W\,G
numrayattempt = 0 >dGYZfqD
px = -1 - delta %G
SSy_c
label 2 Lgfr"{C
px = px + delta *Wa u7
py = -1 - delta |Wgab5D>V
label 3 ,'6GG+
py = py + delta ?n+\T'f!
rad = px*px + py*py 6;*(6$;
if rad <= 0.9999999 c2f$:XiM
raytrace hx, hy, px, py `7A@\Ha3
numrayattempt = numrayattempt+1 f*~fslY,o
if !rayv(n) **************************** ,m8*uCf
numray = numray + 1 f5-={lUlIS
x = rayx(n) ~k(Ez pn#
y = rayy(n) DIAP2LR ?
if (x < xraymin) then xraymin = x eH8.O
if (x > xraymax) then xraymax = x k}.nH"AQ
if (y < yraymin) then yraymin = y u2Obb`p S
if (y > yraymax) then yraymax = y q}i87a;m
xraytot = xraytot + x 4\3t5n
yraytot = yraytot + y F)w83[5_d
endif hH/O2
endif `ahXn
if py < 1.0 then goto 3 :JIPF=]fc
if px < 1.0 then goto 2 g-}sVvM
if numray k]iS3+nD
format 14.8 m~eWQ_a]C@
print " X Centroid = ",xraytot/numray, Biy 9jIWI
print " Y Centroid = ",yraytot/numray W!X]t)Ow
print " X Middle = ",(xraymax+xraymin)/2, ^ym{DSx
print " Y Middle = ",(yraymax+yraymin)/2 ;I'/.gW;{
format .0 zY+Et.lg]^
print " ",numray, " out of ", numrayattempt," rays made it through." V1`|j
else 88j
;7
print " No rays made it through!" Gf\_WNrSE+
endif du,-]fF
f=f+1 !X 8R
if f<= nfld() then goto 1 `qz5rPyZ
print eb\`)MI/
print "All field positions done!" bicL%I2h
FORMAT 0.1 [#Vr)\n
print "Elapsed time ", ETIM(), " seconds." UD`Z;F