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moth 2013-01-19 10:26

macros

       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············· }+Ne)B E  
W bW@V_rr  
macro 正文:········· c3$h-M(jVJ  
! centroid.zpl :;(zA_-  
! R"`7aa6  
! Written by Kenneth Moore 9/1/92 pk0C x  
! Added TIMER function 4/18/96 i-`n5,  
! /?wH1 ,  
TIMER <_~>YJ  
! io{uN/!X_J  
! The delta controls how many rays will be traced. A 1^4z/<ZWm  
! delta of .025 will trace a 80 x 80 grid in the pupil.  8DsXw@o  
! ,AO]4Ec  
delta = .025 rG*Zp7{  
! U ,wJ8  
print "This program computes the chief ray coordinates," ZfYva(zP{Q  
print "centroid coordinates, and middle coordinates for" 7jL3mI;n%;  
print "the primary wave spot at each field position." "\9!9U#!  
maxfield = maxf() `pzXh0}|  
if maxfield == 0 then maxfield = 1 `Z:5E  
n = nsur() v8>?,N#  
f = 1 a*Oc:$  
label 1 dE[nPtstb  
hx = fldx(f)/maxfield 6cV -iDOH  
hy = fldy(f)/maxfield ?4 fXCb]7  
raytrace hx,hy,0,0 D+ )R_  
format 10.4 Qwm#6{5  
print 8 ;C_@  
print "  X Field    = ", fldx(f), LK1 r@  
print "  Y Field    = ", fldy(f) }yfSF|\  
print "  X Chief    = ",rayx(n), 1dy>a=W  
print "  Y Chief    = ",rayy(n) V{j>09u  
xraymax = -9e9 Gw5j6  
yraymax = -9e9 gfPht 5  
xraymin =  9e9 {{WA=\N8C  
yraymin =  9e9 o`8dqP  
xraytot = 0 cx(aMcX6  
yraytot = 0 &Q85Bq  
numray = 0 +v`?j+6z  
numrayattempt = 0 'F- wC!  
px = -1 - delta K38A;=t9  
label 2 KAucSd`  
px = px + delta >J]^Rgn>  
py = -1 - delta El}."}l&  
label 3 l#W9J.q(  
py = py + delta AI|8E8h+D  
rad = px*px + py*py LXIQpD,M  
if rad <= 0.9999999 %ifq4'?Z   
        raytrace hx, hy, px, py &{Zt(%\ '  
        numrayattempt = numrayattempt+1 YB^[HE\#y  
        if !rayv(n)                                              **************************** $&@L[[xl  
                numray = numray + 1 Z*}5M4  
                x = rayx(n) ]+SVQ|v0  
                y = rayy(n) YM idSfi  
                if (x < xraymin) then xraymin = x =-r[ s%t &  
                if (x > xraymax) then xraymax = x UUf-G0/P  
                if (y < yraymin) then yraymin = y V?a+u7*U&  
                if (y > yraymax) then yraymax = y @C]Q;>^|  
                xraytot = xraytot + x ~qG`~/7  
                yraytot = yraytot + y L@"1d.k_  
        endif Yy$GfjJtL]  
endif {g:I5 A#  
if py < 1.0 then goto 3 -\b$5oa(  
if px < 1.0 then goto 2 $\0%"S  
if numray ^=H. .pr  
        format 14.8 &vf%E@<  
        print "  X Centroid = ",xraytot/numray, "pDwN$c  
        print "  Y Centroid = ",yraytot/numray cH&-/|N  
        print "  X Middle   = ",(xraymax+xraymin)/2, G\y:O9(  
        print "  Y Middle   = ",(yraymax+yraymin)/2 pohA??t2:  
        format .0 ~VRt 6C  
        print "  ",numray, " out of ", numrayattempt," rays made it through." n( |~z   
else TV~ <1vj  
        print "  No rays made it through!" V'XmMn)!  
endif G d".zsn  
f=f+1 kj o,?$r %  
if f<= nfld() then goto 1 yEnurq%J  
print =@ '>|-w|  
print "All field positions done!" wF +9Iu  
FORMAT 0.1 FCC9Ht8U?  
print "Elapsed time ", ETIM(), " seconds." X}~5%B(  
kimclps 2013-01-24 14:06
centroid的chief ray定義為通過光束中心(而非stop中心)的光線,其位置會受漸暈 }=1#ANM1  
的影響,因此須知道漸暈才能算出chief ray位置。
moth 2013-01-27 19:43
kimclps:centroid的chief ray定義為通過光束中心(而非stop中心)的光線,其位置會受漸暈 huMNt6P[  
的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  L/2{}l>D  
{fwA=J9%KS  
Kimclps兄果然学识过人,受教了·····
kimclps 2013-01-29 17:48
不敢當,互相切磋。
junel 2014-06-21 20:48
受教了 F\' ^DtB  
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