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············· y] D\i5Xv
% R25, V
macro 正文：········· r /a@ x9
! centroid.zpl @S}j=k
! w`f66*@Q1
! Written by Kenneth Moore 9/1/92
lqL5V"2Y
! Added TIMER function 4/18/96 z[QDJ Mt>
! JkT!X
TIMER ov,
! -p)`o b-
! The delta controls how many rays will be traced. A \-6y#R-B
! delta of .025 will trace a 80 x 80 grid in the pupil. Sq_.RU
! (Uj aL @G
delta = .025 \ 9 #f:8Q
! =CD6x=
l6
print "This program computes the chief ray coordinates," /]Y#*r8jRi
print "centroid coordinates, and middle coordinates for" 3I( n];
print "the primary wave spot at each field position." ^$O(oE(D
maxfield = maxf() ),B/NZ/-
if maxfield == 0 then maxfield = 1 vvxD}p =y
n = nsur() *kK +Nvt8s
f = 1 /N*<Fq7w~
label 1 L3wj vq^
hx = fldx(f)/maxfield ';Nc ;9
hy = fldy(f)/maxfield HP[B%
raytrace hx,hy,0,0 wk8fa
format 10.4 R"O%##Ws
print 4To$!=
print " X Field = ", fldx(f), 4C_1wk('
print " Y Field = ", fldy(f) SWI\;:k
print " X Chief = ",rayx(n), ,pTZ/#vP#
print " Y Chief = ",rayy(n) tyW[i8)O}
xraymax = -9e9 2D"my]FnF
yraymax = -9e9 'h6G"=+
xraymin = 9e9 86-R m
yraymin = 9e9 + ,)k@OI
xraytot = 0 ,JK0N_=
yraytot = 0 af>i
numray = 0 z5iCQ4C<
numrayattempt = 0 !BkE-9v?w
px = -1 - delta vW*Mf}=
label 2 R-Lpgi<a"
px = px + delta
=
E_i
py = -1 - delta t6KKfb
label 3 +<xQF
py = py + delta diM*jN#
rad = px*px + py*py ?_AX;z
if rad <= 0.9999999 } #e=*8F7
raytrace hx, hy, px, py V(ww
F
numrayattempt = numrayattempt+1 Y iuV\al
if !rayv(n) **************************** ]Bf1p
numray = numray + 1 DPW^OgL;
x = rayx(n) 2Q@n a @s
y = rayy(n) X 4hz\={
if (x < xraymin) then xraymin = x x<!]#**;
if (x > xraymax) then xraymax = x -w C}JVVcK
if (y < yraymin) then yraymin = y ~ $4(|Fq/
if (y > yraymax) then yraymax = y ]JGq{I>%+6
xraytot = xraytot + x g_l -@
yraytot = yraytot + y }E(w@&
endif cyWb*Wv
endif !+@70|gFF
if py < 1.0 then goto 3 C ,> n
if px < 1.0 then goto 2 u?SwGXi~8
if numray Y9#dAI[Gce
format 14.8 !0zcS7&P
print " X Centroid = ",xraytot/numray, 3)=ix. wW
print " Y Centroid = ",yraytot/numray O_2o/
print " X Middle = ",(xraymax+xraymin)/2, 58#nY t
print " Y Middle = ",(yraymax+yraymin)/2
P6> C+T1
format .0
g fAWN
print " ",numray, " out of ", numrayattempt," rays made it through." _,K[kVn
else 3A"TpR4f`
print " No rays made it through!" Jg'#IM
endif Q/Z>w+zh#
f=f+1 mpwh=
if f<= nfld() then goto 1 5X];?(VTsb
print u| $HA>F[
print "All field positions done!" Er@xrhH
FORMAT 0.1 { GCp5
print "Elapsed time ", ETIM(), " seconds." I' {Ctc
