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············· `%e|$pK
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macro 正文：········· ymYBm: "
! centroid.zpl Pb#P`L7OB
! "?35C
!
! Written by Kenneth Moore 9/1/92 i0>] CJG
! Added TIMER function 4/18/96 O $^xkv5.
! 5$kdgFq(
TIMER ; +a2\j+
! w8p8 ; @
! The delta controls how many rays will be traced. A UbO4%YHt
! delta of .025 will trace a 80 x 80 grid in the pupil. dN< , %}R
! \8{\;L C
delta = .025 5MR,UgT
! 7\Co`J>p2
print "This program computes the chief ray coordinates," h$`#YNd'
print "centroid coordinates, and middle coordinates for" )hBE11,PB
print "the primary wave spot at each field position." ?^}_j
vT
maxfield = maxf() S(
if maxfield == 0 then maxfield = 1 2Q@Y^t
n = nsur() py
@(
<
f = 1 vQ1 v# Z
label 1 Be2lMC
hx = fldx(f)/maxfield .t =
hy = fldy(f)/maxfield x6 W `hpL
raytrace hx,hy,0,0 2%]Z
Kd
format 10.4 2: SO_O4C
print 6KRO{ QK
print " X Field = ", fldx(f), mV)+qXC
print " Y Field = ", fldy(f) ,eRQu.
print " X Chief = ",rayx(n), S\*`lJzPM
print " Y Chief = ",rayy(n) iOCqE 5d3
xraymax = -9e9 jQ+sn/ROp
yraymax = -9e9 tU :EN;H
xraymin = 9e9 KOh A)
yraymin = 9e9 ;+/o?:AH
xraytot = 0 _zMg oc7
yraytot = 0 'e!J06
numray = 0 Fmr}o(q 1
numrayattempt = 0 ._PzYE|m2
px = -1 - delta t0)<$At6J
label 2 g(|{')8?d
px = px + delta n6<V+G)T
py = -1 - delta t2BL( yB
label 3 _O"mfXl6
py = py + delta >znRyQ~bM
rad = px*px + py*py ZJ*g)) k7
if rad <= 0.9999999 ]#2Y e7+
raytrace hx, hy, px, py qIMA6u/
numrayattempt = numrayattempt+1 Ch \&GzQ
if !rayv(n) **************************** kwpK1R4zs
numray = numray + 1 "Wo,'8{v
x = rayx(n) Z\}K{#
y = rayy(n) :'iYxhM.V
if (x < xraymin) then xraymin = x 'T<iH V&
if (x > xraymax) then xraymax = x Q'O[R+YT ,
if (y < yraymin) then yraymin = y QPt Gdd
if (y > yraymax) then yraymax = y sarq`%zrk
xraytot = xraytot + x %zk$}}ti.
yraytot = yraytot + y re?s.dj T
endif :Bu2,EL*O
endif f"1>bW>R+
if py < 1.0 then goto 3 e]=lKxFh&l
if px < 1.0 then goto 2 !V 2/A1?
if numray ?L&|Uw+
format 14.8 rgmF: C
print " X Centroid = ",xraytot/numray, Xce0~\_ A
print " Y Centroid = ",yraytot/numray qt% D'
print " X Middle = ",(xraymax+xraymin)/2, N-
H^lqD
print " Y Middle = ",(yraymax+yraymin)/2 29CINC
format .0 91> fqe
print " ",numray, " out of ", numrayattempt," rays made it through." fjk\L\1
else ?`zXLY9q7
print " No rays made it through!" kVK/9dy-F
endif ';Zi@f"
f=f+1 w@JKl5
if f<= nfld() then goto 1 4lhw3,5
print evkH05+;W
print "All field positions done!" D%6;^^WyUx
FORMAT 0.1 )9l^O
print "Elapsed time ", ETIM(), " seconds." !$N<ds.
