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············· L#Y;a
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macro 正文：········· dDbC0} x/
! centroid.zpl :nUsC+oBS
! ! .$P`wKr
! Written by Kenneth Moore 9/1/92 +GU16+w~E
! Added TIMER function 4/18/96 |plo65
! I+t38 un%
TIMER ,?6m"ov4(
! ""^BW Re D
! The delta controls how many rays will be traced. A }8:
-I Nj4
! delta of .025 will trace a 80 x 80 grid in the pupil. y3]"H(
! -Wk"o?} q
delta = .025 iXRt9)M T{
! %Qz`SO 8x?
print "This program computes the chief ray coordinates," EIQy?ig86
print "centroid coordinates, and middle coordinates for" Zr;=p"cXr
print "the primary wave spot at each field position." ;@
X
maxfield = maxf() 1 I_q3 {
if maxfield == 0 then maxfield = 1 ]#.&f]6l
n = nsur() t| QMS M?s
f = 1 b.*4RL
label 1 K<JP9t6Qd
hx = fldx(f)/maxfield 3y B6]U
hy = fldy(f)/maxfield i6 ?JX@I
raytrace hx,hy,0,0 <h 51KPo^P
format 10.4 M&c1iK\E8
print Aq'E:/
print " X Field = ", fldx(f), l:yAgm `
print " Y Field = ", fldy(f) ^3o8F
print " X Chief = ",rayx(n), m (:qZW
print " Y Chief = ",rayy(n) K0=E4>z,`q
xraymax = -9e9 <9 tG_
yraymax = -9e9 \<x_96jt!\
xraymin = 9e9 xH#a|iT?(
yraymin = 9e9 @zF:{=+]+
xraytot = 0 R mV/ wY
yraytot = 0 d|+jCTKS
numray = 0 4 S9,
tc&
numrayattempt = 0 TbAdTm W
px = -1 - delta A!Ct,%
label 2 U2lC !j%K
px = px + delta V9+"CB^
py = -1 - delta bk9~63tN+>
label 3 N: jiZ)
py = py + delta .r %|RWs6W
rad = px*px + py*py <?Izfl6
if rad <= 0.9999999 .x?zky^
raytrace hx, hy, px, py N/{Yi
_n
numrayattempt = numrayattempt+1 ~LW%lMy;^|
if !rayv(n) **************************** A""*vqA
numray = numray + 1 ixHZX<6zYT
x = rayx(n) vP)~j1
y = rayy(n) gJ8 c]2c
if (x < xraymin) then xraymin = x LNx E-Dp
if (x > xraymax) then xraymax = x :f Kz^@mY4
if (y < yraymin) then yraymin = y h]DE Cd{
if (y > yraymax) then yraymax = y xj q7%R_,
xraytot = xraytot + x ~2DV{dyj
yraytot = yraytot + y Q < -%jBP
endif TIWLp
endif aa%&&
if py < 1.0 then goto 3 =,8Eo"~\
if px < 1.0 then goto 2 VD&3%G!
if numray 't?7.#, 6O
format 14.8 !Fg4Au
print " X Centroid = ",xraytot/numray, {2gd4[:
print " Y Centroid = ",yraytot/numray [67E5rk-
print " X Middle = ",(xraymax+xraymin)/2, }%FuL5Tx
print " Y Middle = ",(yraymax+yraymin)/2 +ls * //R
format .0 7O9hn2?e
print " ",numray, " out of ", numrayattempt," rays made it through." #iU8hUbo
else bd
P,Zqd
print " No rays made it through!" !5SQN5K
endif <eFAI} =s
f=f+1 po2[uJ
if f<= nfld() then goto 1 D6 2
NU
print [gns8F#H\
print "All field positions done!" b
hr E
FORMAT 0.1 ytV)!xe
print "Elapsed time ", ETIM(), " seconds." QUZQY` ' @
