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 A<F{n.Z:
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macro 正文：········· !dU9sB2
! centroid.zpl : a_BD
! \#4m@
! Written by Kenneth Moore 9/1/92 Tub1S v>J
! Added TIMER function 4/18/96 q,[k7&HS
! J>rka]*
TIMER E,{GU
! :ozV3`%$(
! The delta controls how many rays will be traced. A T
n" e
! delta of .025 will trace a 80 x 80 grid in the pupil. NH7`5mF$
! FJP< bREQ
delta = .025 @ Ii-NmOr
! 21r= =
H$
print "This program computes the chief ray coordinates," j|:dYt`WM
print "centroid coordinates, and middle coordinates for" 4p.^'2m
print "the primary wave spot at each field position." '
|&>/dyq
maxfield = maxf() :.*HQt9N
if maxfield == 0 then maxfield = 1 `NBbTQtgO
n = nsur() K&=D-50%
f = 1 ! Eq#[Gs
label 1 6X/wd k
hx = fldx(f)/maxfield "jMqt9ysN
hy = fldy(f)/maxfield C:]s;0$3'9
raytrace hx,hy,0,0 KQ&Y2l1*>>
format 10.4 "`pN H'
print aF!E x
print " X Field = ", fldx(f), 'It?wB W
print " Y Field = ", fldy(f) et=7}K]l
print " X Chief = ",rayx(n), GL1 'Zo
print " Y Chief = ",rayy(n) kw*)/ $5]
xraymax = -9e9 P?kx
yraymax = -9e9 a 6%@d_A
xraymin = 9e9 S}[l*7
yraymin = 9e9 xq}-m !nX
xraytot = 0 "!O 1j
r;
yraytot = 0 oL]mjo=jN
numray = 0 i3#'*7f%j
numrayattempt = 0 Y9F)`1 7
px = -1 - delta Hkdf $$\
label 2 H@GE)I>^@
px = px + delta OTj,O77k
py = -1 - delta tJNIr5o
label 3 YutQ ]zYA.
py = py + delta H$! +A
rad = px*px + py*py GF8 -_X
if rad <= 0.9999999 ;B~P>n}}_]
raytrace hx, hy, px, py (&jW}1D
numrayattempt = numrayattempt+1 zJ+3g!
if !rayv(n) **************************** s=D f `
numray = numray + 1 u:@U
$:sZ
x = rayx(n) i31<].|kA*
y = rayy(n) iK#/w1`
if (x < xraymin) then xraymin = x 8V9 [a*9
if (x > xraymax) then xraymax = x Oe51PE qn
if (y < yraymin) then yraymin = y C-m*?))go
if (y > yraymax) then yraymax = y %%%S"$t
xraytot = xraytot + x `1Zhq+s
yraytot = yraytot + y >c4/ ?YV
endif [:iv4>Z Z
endif 44 \cI]!{
if py < 1.0 then goto 3 4U=75!>
if px < 1.0 then goto 2 54{q.I@n
if numray @Y}uZ'jt'
format 14.8 mk!Dozb/
print " X Centroid = ",xraytot/numray, 8Hi!kc;f6>
print " Y Centroid = ",yraytot/numray 7\ypW $O t
print " X Middle = ",(xraymax+xraymin)/2, a8pY[)^c
print " Y Middle = ",(yraymax+yraymin)/2 [ %}u= }@
format .0 7G< t"'
print " ",numray, " out of ", numrayattempt," rays made it through." =>|C~@C?
else ]5'
d&f
print " No rays made it through!" ( CJ.BHu]
endif "7,FXTaer
f=f+1 N>|XS
,
if f<= nfld() then goto 1 +pf5\#l?
print H6K`\8/SeN
print "All field positions done!" !lTda<;]
FORMAT 0.1 V5mlJml2(
print "Elapsed time ", ETIM(), " seconds." wJeG (h
