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············· 7l~^KsX
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macro 正文:········· "Jg.)1Jw
! centroid.zpl lQvgq
! B'`25u_e<
! Written by Kenneth Moore 9/1/92 W3\E;C-g0
! Added TIMER function 4/18/96 4m"0R\
! #<Xq\yC51
TIMER e5n]@mu%
! "+wkruC
! The delta controls how many rays will be traced. A Di4GaKa/
! delta of .025 will trace a 80 x 80 grid in the pupil. n00J21
! 6-)WXJ@V
delta = .025 I.T?A9Z
! i^ |G
print "This program computes the chief ray coordinates," !IO\g"y~|%
print "centroid coordinates, and middle coordinates for" Y Q.Xl_
print "the primary wave spot at each field position." i'"#{4I
maxfield = maxf() j6XHH&ZEb
if maxfield == 0 then maxfield = 1 ?_A[E]/H
n = nsur() /93z3o7D>
f = 1 -38"S;M8
label 1 ;Oqf{em];
hx = fldx(f)/maxfield P3Lsfi.
hy = fldy(f)/maxfield xa<KF
raytrace hx,hy,0,0 1TR+p? "
format 10.4 M"/Jn[
print Yg,b
;H
print " X Field = ", fldx(f), :D-D+x
print " Y Field = ", fldy(f) rBi<Yy$z
print " X Chief = ",rayx(n), L=EkY O%\"
print " Y Chief = ",rayy(n) )z18:C3
xraymax = -9e9 XBkaum4j
yraymax = -9e9 KF1iYo>p
xraymin = 9e9 $;Iz7:#jN
yraymin = 9e9 c ^.^5@
xraytot = 0 <g;,or#$
yraytot = 0 h$6'9rL&i
numray = 0 Haekr*1%
numrayattempt = 0 dg|x(p#
px = -1 - delta J@E]Fl
label 2 *i:8g(
px = px + delta 3\
Mt+!1{
py = -1 - delta 8#Z)qQWi_t
label 3 t&=bW<6
py = py + delta ]Sa#g&}T>
rad = px*px + py*py }zsIp,
if rad <= 0.9999999 9lR6:}L7
raytrace hx, hy, px, py HR8YPU5
numrayattempt = numrayattempt+1 a3\~AO H%
if !rayv(n) **************************** c$2kR:
numray = numray + 1 <PuY"-`/Oc
x = rayx(n) &y=OZ
!M
y = rayy(n) I]+
zG
if (x < xraymin) then xraymin = x 1Td`S1'#yg
if (x > xraymax) then xraymax = x &dmIv[LU
if (y < yraymin) then yraymin = y 8~R.iqLoX
if (y > yraymax) then yraymax = y f:&JKB)N
xraytot = xraytot + x r"h09suZBW
yraytot = yraytot + y 1+N'cB!y
endif nAl
\9#M
endif
aY(s
&
if py < 1.0 then goto 3 [ij) k@.
if px < 1.0 then goto 2 ,\P|%yv
if numray gWa0x-
format 14.8 Ao` e{
print " X Centroid = ",xraytot/numray, jLI1Ed
print " Y Centroid = ",yraytot/numray /*Q3=Dse]
print " X Middle = ",(xraymax+xraymin)/2, wzwv>@}
print " Y Middle = ",(yraymax+yraymin)/2 ;w"h n*
format .0 P![ZO6`:W'
print " ",numray, " out of ", numrayattempt," rays made it through." 8~-TN1H
else CkNR{?S
print " No rays made it through!" .[]S!@+%
endif _rIo
@v
f=f+1 I5l%X{u"N
if f<= nfld() then goto 1 4_j_!QH87
print :'C?uk ?
print "All field positions done!" UR_Ty59
FORMAT 0.1 Zn
r4^i&(
print "Elapsed time ", ETIM(), " seconds." "i/GzD7 `n