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············· ?SNacN @r
;}SGJ7
macro 正文：········· &za
}TH m
! centroid.zpl
&# e;`(*
! sbmtx/%U
! Written by Kenneth Moore 9/1/92 H1c8 ]}
! Added TIMER function 4/18/96 X\m\yv}}
! p9)YRLOh.
TIMER q=W.82.U
! oE +P=
! The delta controls how many rays will be traced. A U,W MP<5&
! delta of .025 will trace a 80 x 80 grid in the pupil. S
a +Y/
! HXU #Ux
delta = .025 0;l~B
! NVx>^5QV
print "This program computes the chief ray coordinates," R0qZxoo
print "centroid coordinates, and middle coordinates for" ?xqS#^Z
print "the primary wave spot at each field position." ``CM7|)>`
maxfield = maxf() u:APGR ^
if maxfield == 0 then maxfield = 1 I$.l FQ%(
n = nsur() ]R""L<K%HF
f = 1 .T3N"}7[
label 1 rNk'W, FU
hx = fldx(f)/maxfield eE'P)^KV
hy = fldy(f)/maxfield v)Y)tu>
raytrace hx,hy,0,0 -r U_bnm
format 10.4 p? L %'
print MAYb.>X#>
print " X Field = ", fldx(f), QQW}.> N
print " Y Field = ", fldy(f) S9!KI)
print " X Chief = ",rayx(n), %/ u LyCUZ
print " Y Chief = ",rayy(n) #HgN wM
xraymax = -9e9 q%x i>H.:{
yraymax = -9e9 2L&c91=wE
xraymin = 9e9 aM
$2lR])J
yraymin = 9e9 =p4n @C
xraytot = 0 xmnBG4,f
yraytot = 0 c ?CD;Pk
numray = 0 Ibz9j u Y
numrayattempt = 0 {j$2=0Cec
px = -1 - delta S%MDQTM
label 2 Xr
K29a
px = px + delta T{
@@V
py = -1 - delta &lLk[/b
label 3 zd5=W"Y;]
py = py + delta 2FuV%\p
rad = px*px + py*py i!2k f
if rad <= 0.9999999 }@HgF M"
raytrace hx, hy, px, py \H .Cmm^I
numrayattempt = numrayattempt+1 `"65 _?B i
if !rayv(n) **************************** ^gcB+
numray = numray + 1 32K& IfV
x = rayx(n) X[$h &]
y = rayy(n) YA
pC|R,^
if (x < xraymin) then xraymin = x "9P @bA
if (x > xraymax) then xraymax = x Q`*U U82!
if (y < yraymin) then yraymin = y PR"x&JG@
if (y > yraymax) then yraymax = y sAc1t`
xraytot = xraytot + x UdrgUqq)
yraytot = yraytot + y kS_#8 I
endif )tBz=hy#
endif 9.(|r i
if py < 1.0 then goto 3 b4L7] &
if px < 1.0 then goto 2 9xbT?$^
if numray oIO@ #
format 14.8 E @C.}37R
print " X Centroid = ",xraytot/numray, %!t9)pNc
print " Y Centroid = ",yraytot/numray a2.6 S./
print " X Middle = ",(xraymax+xraymin)/2, 9~`#aQG T
print " Y Middle = ",(yraymax+yraymin)/2 8|@) #:
format .0 }~W/NP_F
print " ",numray, " out of ", numrayattempt," rays made it through." f#&z m}
t
else SLEOc OAmD
print " No rays made it through!" ,iYhD-"'
endif
*eHa4I
f=f+1 lt-3 OcC
if f<= nfld() then goto 1 w>*Jgc@A*
print 'GezIIaH
print "All field positions done!" ]0T*#U/P
FORMAT 0.1 Ee MKo
print "Elapsed time ", ETIM(), " seconds." Z e> R@rK
