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············· r _$*euh@
GD.Ss9_h1
macro 正文：········· *Igb3 xK%
! centroid.zpl W.[!Q`
! Ez |NQ:o
! Written by Kenneth Moore 9/1/92 jdJT OT
! Added TIMER function 4/18/96 ;LP3
! ) dk|S\
TIMER vO2WZ7E!
! <`pNdy4
! The delta controls how many rays will be traced. A !xck
~EAS
! delta of .025 will trace a 80 x 80 grid in the pupil. p2 1 |
! K9Mz4K_
delta = .025 C\5G43`
! YT+b{
print "This program computes the chief ray coordinates," )TiM>{
print "centroid coordinates, and middle coordinates for" Og% Y._
print "the primary wave spot at each field position." @!dIa1Q"
maxfield = maxf() o-H?q!
if maxfield == 0 then maxfield = 1 aBReIK o
n = nsur() tE=09J%z
f = 1 EB!ne)X
label 1 x D&n'M]
hx = fldx(f)/maxfield Wx]Xa]-
hy = fldy(f)/maxfield g?"QahH G
raytrace hx,hy,0,0 o 7kg.w|
format 10.4 SZe55mK `
print K\9 CW%W
print " X Field = ", fldx(f), m_0y ]RfG
print " Y Field = ", fldy(f) ``jNj1t{}
print " X Chief = ",rayx(n), [k%hl`}
print " Y Chief = ",rayy(n) YOLzCnI4
xraymax = -9e9 +U<YM 94?
yraymax = -9e9 $| g1 _;(G
xraymin = 9e9 Wr b[\
?-
yraymin = 9e9 Lq>lj`>
xraytot = 0 \7 8^ O
yraytot = 0 }Z Vond$y4
numray = 0 4@fv%LOQo
numrayattempt = 0 RKzty=j4
px = -1 - delta nC,QvV
label 2 W{'hn&vU
px = px + delta {Cm!5Q Yy
py = -1 - delta 'k\j[fk/K
label 3 Z cjLv
py = py + delta YRV h[Bqg`
rad = px*px + py*py EQlb:;j
if rad <= 0.9999999 o+{,>t
raytrace hx, hy, px, py RBf#5VjOG!
numrayattempt = numrayattempt+1 bT 42G [x
if !rayv(n) **************************** ' F.^ 8/>
numray = numray + 1 Q /?`);
x = rayx(n) gNP1UH4m
y = rayy(n) (n7xY GfYS
if (x < xraymin) then xraymin = x 9R8q+2
if (x > xraymax) then xraymax = x ,zx{ RDI
if (y < yraymin) then yraymin = y <rgK}&q
if (y > yraymax) then yraymax = y 6 agG*x
xraytot = xraytot + x +
GQ{{B
yraytot = yraytot + y HL"c yxe
endif 9Zl4NV&B
endif 7<]&pSt=
if py < 1.0 then goto 3 G@ ot^n3
if px < 1.0 then goto 2 UZs '[pm)
if numray T2Z$*;,>T
format 14.8 ,V
52Fj
print " X Centroid = ",xraytot/numray, n~ yHt/T
print " Y Centroid = ",yraytot/numray -(TC'
print " X Middle = ",(xraymax+xraymin)/2, L @T/4e./
print " Y Middle = ",(yraymax+yraymin)/2 9*I[q[>9
format .0 ? aTH<
print " ",numray, " out of ", numrayattempt," rays made it through." 3E d
else 4_-& PZ,d
print " No rays made it through!" /~'C!so[v
endif DDkN3\w
f=f+1 + 3. 9)w
if f<= nfld() then goto 1 QDY uJ&!h
print V.`hk^V,
print "All field positions done!" Q +l {> sL
FORMAT 0.1 j7&#R+f
print "Elapsed time ", ETIM(), " seconds." )x\%*ewY
