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············· D\ :dn
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macro 正文：········· ,(u-q]8
! centroid.zpl "D\>oFu
! j gvz p
! Written by Kenneth Moore 9/1/92 awXK9}.
! Added TIMER function 4/18/96 ol0i^d*9F
! e{EC# %x_
TIMER A%[e<vj9
! 4,,DA2^!
! The delta controls how many rays will be traced. A ]OSq}ul
! delta of .025 will trace a 80 x 80 grid in the pupil. qX[{_$^Q
! -Oi8]Xw^@y
delta = .025 {MRXK nm;e
! 9^L{)t>
print "This program computes the chief ray coordinates," Pz^C3h$5_
print "centroid coordinates, and middle coordinates for" ') Q
print "the primary wave spot at each field position." ~'V&[]nh8
maxfield = maxf() T_)g/,5>
if maxfield == 0 then maxfield = 1 hv
n = nsur() y
Nc@K|
f = 1 $:?Dyu(Il
label 1 xTU;rJV
hx = fldx(f)/maxfield q+znb'i-x
hy = fldy(f)/maxfield &6^ --cc
raytrace hx,hy,0,0 $`A{-0=x\U
format 10.4 qzj.N$9]
print " MvSF1
print " X Field = ", fldx(f), vbD""
print " Y Field = ", fldy(f) {#.<h PXn
print " X Chief = ",rayx(n), +CVB[r#hu
print " Y Chief = ",rayy(n) "Xg~1)%
xraymax = -9e9 XU`ly3 !
yraymax = -9e9 'fs
tfk
xraymin = 9e9 Jc7}z:U B
yraymin = 9e9 O$n W
xraytot = 0 NXk~o! D
yraytot = 0 p[O\}MAd#
numray = 0 v X7U|zy
numrayattempt = 0 5DpvMhc_
px = -1 - delta }4g$ aTc
label 2 ih|;H:"^
px = px + delta R XCj Yzt
py = -1 - delta 3ey.r%n
label 3 q@G}Hjn
py = py + delta VbDk44X.W
rad = px*px + py*py 1V wcJd
if rad <= 0.9999999 Pl. y9g~
raytrace hx, hy, px, py !4a#);`G
numrayattempt = numrayattempt+1 C2aA])7 D
if !rayv(n) **************************** EKD#s,(V*X
numray = numray + 1 Ma'#5)D
x = rayx(n) K.=5p/^a
y = rayy(n) 0 h~{ K
if (x < xraymin) then xraymin = x '6kD6o_p 1
if (x > xraymax) then xraymax = x ZC%;5O`
if (y < yraymin) then yraymin = y {!j)j6(NY
if (y > yraymax) then yraymax = y Kx?.g#>U;
xraytot = xraytot + x y^e3Gyk
yraytot = yraytot + y it-]-=mqb
endif V.9p4k`
endif K_AdMXF9
if py < 1.0 then goto 3 $|g
;
if px < 1.0 then goto 2 .EPv4[2%F8
if numray v8WT?%
format 14.8 g${JdxR:
print " X Centroid = ",xraytot/numray, ?yxQs=&-q~
print " Y Centroid = ",yraytot/numray hH9~.4+*`g
print " X Middle = ",(xraymax+xraymin)/2, ,J '_Vi
print " Y Middle = ",(yraymax+yraymin)/2 obGhO
format .0 1 +s;a]-C
print " ",numray, " out of ", numrayattempt," rays made it through." Go!{@ xx>
else '7pzw>E=:
print " No rays made it through!" c5| sda{
endif x#5vdBf
f=f+1 fJP *RVz
if f<= nfld() then goto 1 HYmUD74FR
print [!>9K}z,=
print "All field positions done!" c:52pYf+
FORMAT 0.1 {n&n^`Em
print "Elapsed time ", ETIM(), " seconds." 8{]nS8i
