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············· &
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! centroid.zpl Ycspdl+(S$
! l^nvwm`f#:
! Written by Kenneth Moore 9/1/92 c/A?-9
! Added TIMER function 4/18/96 VGD~) z57
! xxvt<J
TIMER CvE^t#Bok
! <tFq^qB
! The delta controls how many rays will be traced. A jIT|Kk&]
! delta of .025 will trace a 80 x 80 grid in the pupil. v$Fz^<Na
! '~K]=JP
delta = .025 {+hABusq
! U(y8nI]
print "This program computes the chief ray coordinates," ,o%by5j"^N
print "centroid coordinates, and middle coordinates for" }bca-|N
print "the primary wave spot at each field position." q%])dZ!lE
maxfield = maxf() Lk,q~
if maxfield == 0 then maxfield = 1 7)jN:+4N
n = nsur() heou\;GI"
f = 1 M' z.d
label 1 CO@G%1#
hx = fldx(f)/maxfield 7`J2/(
hy = fldy(f)/maxfield Slg*[r#
raytrace hx,hy,0,0 c.Sd~k:3
format 10.4 B._YT
print 5aW#zgxXg
print " X Field = ", fldx(f), xRacgny:I
print " Y Field = ", fldy(f) ]VKQm(,0
print " X Chief = ",rayx(n), ub~ t}
print " Y Chief = ",rayy(n) dV38-IfGkl
xraymax = -9e9 -`XS2
yraymax = -9e9 9h\RXVk{tA
xraymin = 9e9 U[x$QG6 m!
yraymin = 9e9 we`BqZV
xraytot = 0 '[liZCg
yraytot = 0 mbkt7. ,P
numray = 0 L5x;#\#p
numrayattempt = 0 %50)?J=zB
px = -1 - delta |8CxMs
label 2 4RVqfD
px = px + delta ;LP3
py = -1 - delta v[ML=pL
label 3 G8+&fn6
py = py + delta yZNG>1N
rad = px*px + py*py VBi gUK4
if rad <= 0.9999999 C\5G43`
raytrace hx, hy, px, py |E?r+]
numrayattempt = numrayattempt+1 ;]grbqXVE
if !rayv(n) **************************** R`<2DC>h9
numray = numray + 1 tE=09J%z
x = rayx(n) !Ea >tQ|
y = rayy(n) hH5~T5?\
if (x < xraymin) then xraymin = x 2mzn{S)nV
if (x > xraymax) then xraymax = x LJ
<pE;`d
if (y < yraymin) then yraymin = y M#o.O?.`
if (y > yraymax) then yraymax = y [k%hl`}
xraytot = xraytot + x ni{'V4A
yraytot = yraytot + y C `_/aR6
endif 2k<#e2
endif \78^ O
if py < 1.0 then goto 3 $Okmurnn
if px < 1.0 then goto 2 WlQCP C
if numray C5V}L
format 14.8 fdKE1,;
print " X Centroid = ",xraytot/numray, 34!.5^T
print " Y Centroid = ",yraytot/numray {p1`[R&n#
print " X Middle = ",(xraymax+xraymin)/2, P
_fCb
print " Y Middle = ",(yraymax+yraymin)/2 ^OQP;5 #K
format .0 w*XM*yJHU
print " ",numray, " out of ", numrayattempt," rays made it through." Q/?`);
else X,VI5$
print " No rays made it through!" k"cMAu.
endif ~xxq.rL"
f=f+1 {7m2vv? Z
if f<= nfld() then goto 1 8a8a:d
print 7<]&pSt=
print "All field positions done!" JR]elRR
FORMAT 0.1 lfM vNv
print "Elapsed time ", ETIM(), " seconds." n~yHt/T