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············· E Z..^M 3
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macro 正文：········· I J qv w
! centroid.zpl g&q]@m
! ]c5DOv &
! Written by Kenneth Moore 9/1/92 (rAiDRQ[
! Added TIMER function 4/18/96 ss/h[4h4h
! lfXH7jL2~
TIMER Go-wAJ>
!
vlAO z
! The delta controls how many rays will be traced. A hx*HY%\P
! delta of .025 will trace a 80 x 80 grid in the pupil. >'eB2
! lj4%(rB=
delta = .025 *Yj~]E0`1
! 1]_?$)$ T
print "This program computes the chief ray coordinates," C:rRK*
print "centroid coordinates, and middle coordinates for" D~5yj&&T;
print "the primary wave spot at each field position." GSC{F#:z
maxfield = maxf() i5.?g <.H
if maxfield == 0 then maxfield = 1 '`9%'f)
n = nsur() o<Xc,mP
f = 1 >_&~!Y.Z=
label 1 1RCXc> }/
hx = fldx(f)/maxfield
T"n>h
hy = fldy(f)/maxfield RP,A!pa@
raytrace hx,hy,0,0 D8)O4bh
format 10.4 :0WkxEY9
print \s.1R/TyD
print " X Field = ", fldx(f), 0[V&8\S~'T
print " Y Field = ", fldy(f) z\e>DdS
print " X Chief = ",rayx(n), +8Of-ZUx
print " Y Chief = ",rayy(n) )?F $-~7
xraymax = -9e9
o G (0 i
yraymax = -9e9 J"/ JRn
xraymin = 9e9 UedvA9$&;
yraymin = 9e9 I/^q+l.=`{
xraytot = 0 , D exJ1
yraytot = 0 ls [Ls
numray = 0 uo]Hi^r.l
numrayattempt = 0 1y}, 9ym
px = -1 - delta nw~/ ~eM5=
label 2 QpdujtH`
px = px + delta hO^&0?
py = -1 - delta &=v/VRan[
label 3 ;[;)P tFz\
py = py + delta ,Adus M
rad = px*px + py*py di8W2cwz
if rad <= 0.9999999 ]]\)=F`n77
raytrace hx, hy, px, py f %bc64N(
numrayattempt = numrayattempt+1 fKPiRl LS
if !rayv(n) **************************** zWF
5m )-
numray = numray + 1 AeNyZ[40T
x = rayx(n) WpXODk QL
y = rayy(n) Py|H?
, 6=
if (x < xraymin) then xraymin = x bHh C56[M
if (x > xraymax) then xraymax = x aeG#:
Ln+{
if (y < yraymin) then yraymin = y 2>!_B\%) H
if (y > yraymax) then yraymax = y ExN j|*
xraytot = xraytot + x l84h%,
yraytot = yraytot + y "WF(
6z#
endif skk-.9
endif 4a(g<5wfI
if py < 1.0 then goto 3 Z_iAn TT
if px < 1.0 then goto 2 :SpG&\+
if numray u} JQTro
format 14.8 d%}crM-KTL
print " X Centroid = ",xraytot/numray, DePV, .
print " Y Centroid = ",yraytot/numray SRA|7g}7W
print " X Middle = ",(xraymax+xraymin)/2, c*y$bf<
print " Y Middle = ",(yraymax+yraymin)/2 2x)0?N [$O
format .0 NWo7wVwc/c
print " ",numray, " out of ", numrayattempt," rays made it through." * 23m-
else xT_fr,P
print " No rays made it through!" O, bfdc[g4
endif 1$='`@8I
f=f+1 Eg@R[ ^T
if f<= nfld() then goto 1 zznPD%#Sc
print 5 ?V?
print "All field positions done!" Nb ^zkg
FORMAT 0.1 F|]o9&/< ]
print "Elapsed time ", ETIM(), " seconds." r*X}3t*
