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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············· 5>aK4: S/  
_Oy;:XN  
macro 正文:········· F[]6U/g n  
! centroid.zpl /&zlC{:G92  
! VI?kbq jo  
! Written by Kenneth Moore 9/1/92 +nL#c{  
! Added TIMER function 4/18/96 %#E$wz  
! 6bT>x5?  
TIMER UHBMl>~z  
! u]& +TR  
! The delta controls how many rays will be traced. A OuyO_DSI  
! delta of .025 will trace a 80 x 80 grid in the pupil. S%jFH4#  
! DSK?7F$_oE  
delta = .025 u4ZOHy_O^  
! g1)ZjABV  
print "This program computes the chief ray coordinates," piXL6V@c  
print "centroid coordinates, and middle coordinates for" 3;3 cTXR?=  
print "the primary wave spot at each field position." +HlZ ?1g  
maxfield = maxf() )C0d*T0i  
if maxfield == 0 then maxfield = 1 \w)ddc!ZS  
n = nsur() ym'!f|9AA  
f = 1 XC4wm#R  
label 1 5),&{k!  
hx = fldx(f)/maxfield LR3>_t  
hy = fldy(f)/maxfield HJt '@t=Ak  
raytrace hx,hy,0,0 5aNvGI1  
format 10.4 /4KHf3Nr  
print D/+l$aBz  
print "  X Field    = ", fldx(f), f( <O~D  
print "  Y Field    = ", fldy(f) gi$'x^]#  
print "  X Chief    = ",rayx(n), %JI*)K1WI  
print "  Y Chief    = ",rayy(n) <7`U1DR=  
xraymax = -9e9 Hp[i8PJ  
yraymax = -9e9 ,JfP$HJ  
xraymin =  9e9 Q+s2S>U{v  
yraymin =  9e9 +3Z+#nGtk  
xraytot = 0 S }qGf%  
yraytot = 0 k+~2 vmS  
numray = 0 3 6t^iV*3  
numrayattempt = 0 g!^mewtd  
px = -1 - delta 2?:'p[z"]  
label 2 ,s/laZ)V  
px = px + delta U^]@0vR  
py = -1 - delta &a)d,4e<M  
label 3 2a*+mw  
py = py + delta l[C_vUg  
rad = px*px + py*py yQf(/Uxk*x  
if rad <= 0.9999999 H3( @Q^9  
        raytrace hx, hy, px, py )>@%;\qV  
        numrayattempt = numrayattempt+1 tl`x/   
        if !rayv(n)                                              **************************** q>.C5t'Qx  
                numray = numray + 1 -Ua&/Yd/}  
                x = rayx(n) =MwR)CI#  
                y = rayy(n) W j`f^^\HJ  
                if (x < xraymin) then xraymin = x $i1:--~2\  
                if (x > xraymax) then xraymax = x u#NX`_  
                if (y < yraymin) then yraymin = y wj5,_d)  
                if (y > yraymax) then yraymax = y dVZ~n4  
                xraytot = xraytot + x wCu!dxT|,  
                yraytot = yraytot + y D[)_ f  
        endif  btBu[;  
endif bz.sWBugR  
if py < 1.0 then goto 3 +.zX?}  
if px < 1.0 then goto 2 p{+F{e  
if numray PcjeuJZ  
        format 14.8 X"7x_ yOZ  
        print "  X Centroid = ",xraytot/numray, x+b.9f4xJ  
        print "  Y Centroid = ",yraytot/numray n3j_=(  
        print "  X Middle   = ",(xraymax+xraymin)/2, =`UFg >-  
        print "  Y Middle   = ",(yraymax+yraymin)/2 kSEgq<i!  
        format .0 I'[;E.KU  
        print "  ",numray, " out of ", numrayattempt," rays made it through." }<&?t;  
else .[Qi4jm>`  
        print "  No rays made it through!" CeM%?fr5  
endif tH#t8Tq5x  
f=f+1 { ft |*  
if f<= nfld() then goto 1 }$g"|;<ha  
print \:+ NVIN  
print "All field positions done!" fIJX5)D  
FORMAT 0.1 F>GPi!O  
print "Elapsed time ", ETIM(), " seconds." db&!t!#,  
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 W|"bV 6d3  
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 C'{B  
的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  g9NE>n(3  
xg8R>j  
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 N U+PG`Vb  
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