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············· uC1v^!D
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macro 正文：········· ]&L[]
! centroid.zpl [zl"G^z
! [0n&?<<
! Written by Kenneth Moore 9/1/92 ;#?+i`9'q
! Added TIMER function 4/18/96 =[^_x+x
hE
! <1E* wPm8
TIMER YCB=RT]&`
! $RV'DQO
! The delta controls how many rays will be traced. A iI%"]- 0@1
! delta of .025 will trace a 80 x 80 grid in the pupil. %g%#=a;]q
!
jQ Of+ZE
delta = .025 a ffig
! x BMhk9b^0
print "This program computes the chief ray coordinates," 1)wzSEV@
print "centroid coordinates, and middle coordinates for" zLLe3?8:
print "the primary wave spot at each field position." g \
p;
maxfield = maxf() m/W)IG>
if maxfield == 0 then maxfield = 1 &`[Dl(W
n = nsur() @~<M_63
f = 1 H?axl Rmw3
label 1 "5R8Zl+
hx = fldx(f)/maxfield Y: XxTa*
hy = fldy(f)/maxfield u4[3JI>
raytrace hx,hy,0,0 ryp@<}A]!d
format 10.4 hUy\)GsT
print E6d0YgfD
print " X Field = ", fldx(f), B? r [|
print " Y Field = ", fldy(f) cC6W1K!
print " X Chief = ",rayx(n), )/F1,&/N`e
print " Y Chief = ",rayy(n) ISuye2tExq
xraymax = -9e9 ?gMxGH:B.&
yraymax = -9e9 |PED8K:rU
xraymin = 9e9 438+ zU
yraymin = 9e9 D-BWgK
xraytot = 0 NK+iLXC
yraytot = 0 5M2G ;o
numray = 0 .^S#h
(A
numrayattempt = 0 T.zU erbO
px = -1 - delta =%YU~
label 2 l1\/ `
px = px + delta do9@ 6[{Sv
py = -1 - delta {Ah\ -{]
label 3 b"y][5VE
py = py + delta l k6*?EJ
rad = px*px + py*py q*oUd/F8
if rad <= 0.9999999 z Uqt^_
raytrace hx, hy, px, py zM^ux!T=
numrayattempt = numrayattempt+1 eXI ^9uH
if !rayv(n) **************************** $g55wG F
numray = numray + 1 RbJ,J)C>
x = rayx(n) Pgs^#(^>
y = rayy(n) *ws!8-)fH
if (x < xraymin) then xraymin = x 3r?Bnf:
if (x > xraymax) then xraymax = x fMn7E8.
if (y < yraymin) then yraymin = y EAcJ >
if (y > yraymax) then yraymax = y vIrLG1E K
xraytot = xraytot + x 1q*85 [Y
yraytot = yraytot + y 8W 9%NW3&
endif "PBUyh-Z
endif W;coi4
if py < 1.0 then goto 3 &_
Ewu@4
if px < 1.0 then goto 2 2+Z2`k]AC
if numray <` sVu
format 14.8 Z'PE^ ,
print " X Centroid = ",xraytot/numray, 5@"&%8oeq0
print " Y Centroid = ",yraytot/numray z]> 0A
print " X Middle = ",(xraymax+xraymin)/2, zPU&
}7
print " Y Middle = ",(yraymax+yraymin)/2 I.j`h2
format .0 KUVsCmiT
print " ",numray, " out of ", numrayattempt," rays made it through." |C@)#.nm[
else Y' -BKZv!
print " No rays made it through!" Qw.""MLmN8
endif 4_ J*
0=U
f=f+1 1`2n<qo
if f<= nfld() then goto 1 nI%0u<=d
print FGBPhH% (8
print "All field positions done!" to^ &:
FORMAT 0.1 l/`<iG%
print "Elapsed time ", ETIM(), " seconds." Lw?4xerLsb
