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············· h {}mBQl
D -IR!js ]
macro 正文：········· ?-OPX_i_
! centroid.zpl -fgC" 2H
! F_ 7H!F
! Written by Kenneth Moore 9/1/92 85 |fyX
! Added TIMER function 4/18/96 CKlL~f EL
! WlV
z,t'if
TIMER 6 P`)%zj
! !r+IXuqV,!
! The delta controls how many rays will be traced. A ukuo:P<a
! delta of .025 will trace a 80 x 80 grid in the pupil. ~~ F2Ij
! -6=<#9R
delta = .025 D H^T x
! oge L[7
print "This program computes the chief ray coordinates," 64j|}wJ$
print "centroid coordinates, and middle coordinates for" Y &*x4&Lb
print "the primary wave spot at each field position." wU`!B<,j
maxfield = maxf() `nJu? 5
if maxfield == 0 then maxfield = 1 PT9v*3Bq~
n = nsur() YC y2 2@C
f = 1 MS<SAD>w
label 1 u>. y:>
hx = fldx(f)/maxfield 'GJVWpvUU
hy = fldy(f)/maxfield w 7-WUvxl
raytrace hx,hy,0,0 ~VTs:h
format 10.4 Qbeeq6
print 5IqQ |/m<6
print " X Field = ", fldx(f),
BRbV7 &
print " Y Field = ", fldy(f) $R^ AEa7
print " X Chief = ",rayx(n), h4fLl3%H
print " Y Chief = ",rayy(n) :Gh~fm3}
xraymax = -9e9 I<h=Cj[[
yraymax = -9e9 $v} <'
xraymin = 9e9 fP%Fyg^k
yraymin = 9e9 :DkAQ-<~
xraytot = 0 _qWC4NM F(
yraytot = 0 hPdx(E)8!d
numray = 0 zPZF|%|
numrayattempt = 0 0y %L-:/c|
px = -1 - delta 8Ni mZ(
label 2 8
#oR/Nt
px = px + delta
FA>1x*;c
py = -1 - delta =qoRS0Qa
label 3 (U87}}/l
py = py + delta SFjU0*B$
rad = px*px + py*py Y?Vz(udD
if rad <= 0.9999999 GVd48 *
raytrace hx, hy, px, py j%& IL0
numrayattempt = numrayattempt+1 b; 9n'UX\
if !rayv(n) **************************** i (HByI
numray = numray + 1 'I/h(
x = rayx(n) CJNG) p
y = rayy(n) ;R[&pDx
if (x < xraymin) then xraymin = x +T_ p8W+j
if (x > xraymax) then xraymax = x ,EhVSrh)_4
if (y < yraymin) then yraymin = y K5 vNhA
if (y > yraymax) then yraymax = y t 6u-G+}
xraytot = xraytot + x 6 ,N6jaW
yraytot = yraytot + y pb B2wt
endif a0d
,
endif t]m!ee8*X<
if py < 1.0 then goto 3 d c^Vc{26Z
if px < 1.0 then goto 2 aqQ o,5U>
if numray
<jd/t19DB
format 14.8 rFXSO=P?Z
print " X Centroid = ",xraytot/numray, n@B{vyy
print " Y Centroid = ",yraytot/numray rveVCT bC
print " X Middle = ",(xraymax+xraymin)/2, (iDBhC;/B
print " Y Middle = ",(yraymax+yraymin)/2 0#|7U_n
format .0 yS ruAkw%
print " ",numray, " out of ", numrayattempt," rays made it through." LZ& uj{ <
else k@q Wig
print " No rays made it through!" l]vohLz
3!
endif %yw=[]Vjze
f=f+1 ;?im(9h"v!
if f<= nfld() then goto 1 pv$tT Wk
print 1 *R_"#
print "All field positions done!" 4%bTj,H#
FORMAT 0.1 \JU ~k5j
print "Elapsed time ", ETIM(), " seconds." _'* DT=H'U
