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············· G 3x1w/L
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macro 正文：········· E ORAx
! centroid.zpl _E 8SX
v
! \FM- FQK
! Written by Kenneth Moore 9/1/92 U h}yHD`K
! Added TIMER function 4/18/96 R[" 7%|RV
! &c !-C_L 2
TIMER n40 Z
! <WmCH+>?r
! The delta controls how many rays will be traced. A AE Jm/8,T
! delta of .025 will trace a 80 x 80 grid in the pupil. Sy55w={
! q fe#k F9
delta = .025 r~t7Z+PXF
! `V bG%y&I
print "This program computes the chief ray coordinates," 19DW~kvYk
print "centroid coordinates, and middle coordinates for" Ky|0IKE8Z
print "the primary wave spot at each field position." <k1gc,*
maxfield = maxf() `XP Tf#9j
if maxfield == 0 then maxfield = 1 )c/BD C7g
n = nsur() 4#uoPkLK
f = 1 cm<3'#~Q?
label 1 p cG q
hx = fldx(f)/maxfield k[m-"I%ZFX
hy = fldy(f)/maxfield }Q_i#e(S
raytrace hx,hy,0,0 P{ o/F
format 10.4 G_@H:4$3
print u8QX2|
print " X Field = ", fldx(f), ^S @b*
print " Y Field = ", fldy(f) d 0d2QRX
print " X Chief = ",rayx(n), #c_ZU\" h"
print " Y Chief = ",rayy(n) & iivSc;#
xraymax = -9e9 i\b2P2
`B
yraymax = -9e9 7 y&`H
xraymin = 9e9 FE.:h'^h
yraymin = 9e9 wim}}^H
xraytot = 0 G.8ZISN/
yraytot = 0 k,J?L-F
numray = 0 $ hapSrS
numrayattempt = 0 X-)6.[9f
px = -1 - delta c2QC`h(Wb
label 2 SV >EB;<
px = px + delta f QdQ[
py = -1 - delta |{(ynZ]R
label 3 f32n O
py = py + delta Rh|&{Tf
rad = px*px + py*py S_zE+f+
2
if rad <= 0.9999999 V Puzu|
raytrace hx, hy, px, py IZGty=Q_
numrayattempt = numrayattempt+1 "A7tb39*
if !rayv(n) **************************** C b<\
numray = numray + 1 }j
x{C w
x = rayx(n) FK>r c3 q
y = rayy(n) n$>H } #q
if (x < xraymin) then xraymin = x 1x] G/I*
if (x > xraymax) then xraymax = x Im2 g2 ]
if (y < yraymin) then yraymin = y _kfApO )O
if (y > yraymax) then yraymax = y !#QD;,SE+
xraytot = xraytot + x BTB,a$P/
yraytot = yraytot + y :h r%iu
endif vhKD_}}aP
endif 98l#+4 +
if py < 1.0 then goto 3 F -m1GG0s
if px < 1.0 then goto 2 h4U .wk
if numray umci P
format 14.8 zT@vji%Y
print " X Centroid = ",xraytot/numray, LYT0 XB)A
print " Y Centroid = ",yraytot/numray V'8
(}(s/
print " X Middle = ",(xraymax+xraymin)/2, Ty>`r n
print " Y Middle = ",(yraymax+yraymin)/2 `C3F?Lch
format .0 iIg_S13
print " ",numray, " out of ", numrayattempt," rays made it through." 5}f$O
else vjW S35i
print " No rays made it through!" i^yQ;
2 -
endif Xo
P]PR`cQ
f=f+1 Xa36O5$4]9
if f<= nfld() then goto 1 L i}yK[\]
print |yS4um(w
print "All field positions done!" u >x2
FORMAT 0.1 Q-AN~k8+)[
print "Elapsed time ", ETIM(), " seconds." U`D"L4},.
