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············· >^ zbDU1wT
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macro 正文：········· fm&pxQjg
! centroid.zpl QT7PCHP
! x$=""?dd
! Written by Kenneth Moore 9/1/92 ) @a_|q@V
! Added TIMER function 4/18/96 ZA.i\
;2
! 1cY,)Z%l #
TIMER &~#y-o"
! #Hi$squJ
! The delta controls how many rays will be traced. A N Ah^2X
! delta of .025 will trace a 80 x 80 grid in the pupil. G2 !J`}
! _ 68{
{.
delta = .025 ,BE4z2 a
! E% d3}@
print "This program computes the chief ray coordinates," GLr7sack
print "centroid coordinates, and middle coordinates for" 8N9X1Mb |
print "the primary wave spot at each field position." d .t$V RO
maxfield = maxf() t$-!1jq
if maxfield == 0 then maxfield = 1 ~(K{D
D7[N
n = nsur() #0'%51Jcl
f = 1 ,@0D_&JAl
label 1 \T nRn(Kw
hx = fldx(f)/maxfield F7 IZ;4cp
hy = fldy(f)/maxfield a/dq+
raytrace hx,hy,0,0 l-<EG 9m@
format 10.4 +wxDK A_
print ,f^ ICM
print " X Field = ", fldx(f), w '7=CzfYn
print " Y Field = ", fldy(f) OmLe+,7'
print " X Chief = ",rayx(n), 8ib%CYR
print " Y Chief = ",rayy(n) V2LvE.Kj
xraymax = -9e9 4rrR ;V"}
yraymax = -9e9 ] 3]=RuQK2
xraymin = 9e9 *I9O+/,
yraymin = 9e9 s"B+),J od
xraytot = 0 )>I-j$%=2
yraytot = 0 r>cN,C
numray = 0 njckPpyb@
numrayattempt = 0 {.o@XP,.
px = -1 - delta 9A ?)n<3d
label 2 \h5!u1{ L
px = px + delta <d~si^*\ch
py = -1 - delta S<eB&qT$
label 3 LsO}a;t5
py = py + delta iB#*XJ; q
rad = px*px + py*py t4Pi <m:7
if rad <= 0.9999999 DIF-%X5
raytrace hx, hy, px, py D";@)\jN
numrayattempt = numrayattempt+1 &gsBbQ+ qA
if !rayv(n) **************************** 9nS fFGu
numray = numray + 1 fs0EbVDF
x = rayx(n) ` T3B
y = rayy(n) SVBo0wvz-
if (x < xraymin) then xraymin = x -{A*`.[v
if (x > xraymax) then xraymax = x T,h 9xl9i
if (y < yraymin) then yraymin = y il% u)NN
if (y > yraymax) then yraymax = y M< /
xraytot = xraytot + x A\<W x/
yraytot = yraytot + y pD;fFLvN
endif q5{h@}|M
endif Go(Td++HS
if py < 1.0 then goto 3 %"^8$A?>,k
if px < 1.0 then goto 2 "{[\VsX|c
if numray ym_p 49
format 14.8 H{hzw&dZ<P
print " X Centroid = ",xraytot/numray, }CL7h;5N 3
print " Y Centroid = ",yraytot/numray O i<yT"7
print " X Middle = ",(xraymax+xraymin)/2, G A;h7
print " Y Middle = ",(yraymax+yraymin)/2 ?!y< %&U
format .0 hlmeT9v{
print " ",numray, " out of ", numrayattempt," rays made it through." ($-m}UF\/
else dozC[4mF
print " No rays made it through!" )6(|A$~C+
endif % `* On~
f=f+1 #mkf2Z=t-
if f<= nfld() then goto 1 |W r$5r
print :0Z\-7iK
print "All field positions done!" 2'u%
FORMAT 0.1
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print "Elapsed time ", ETIM(), " seconds." (AZA Q xt
