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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············· UH&1c8y}  
U{uWk3I_b  
macro 正文:········· X3L[y\  
! centroid.zpl 4m[C-NB!g  
! '# IuY  
! Written by Kenneth Moore 9/1/92 JX$NEq(  
! Added TIMER function 4/18/96 G|oB'~ {&  
! @j2*.ee  
TIMER )/ T$H|  
! Q*&aC|b&  
! The delta controls how many rays will be traced. A ( WtE`f;Q  
! delta of .025 will trace a 80 x 80 grid in the pupil. 4\SBf\ c  
! 2n;;Tso"  
delta = .025 CSqb)\8Oi*  
! K-k.=6mS  
print "This program computes the chief ray coordinates," V&j.>Y  
print "centroid coordinates, and middle coordinates for" {G1aAM\Hz  
print "the primary wave spot at each field position." D)ne *},  
maxfield = maxf() xnuv4Z}]t  
if maxfield == 0 then maxfield = 1 cU5"c)$'  
n = nsur() *5_ 8\7d  
f = 1 QDgEJ%U-  
label 1 9_A0:S9Z  
hx = fldx(f)/maxfield vWi. []  
hy = fldy(f)/maxfield ivUsMhx>S,  
raytrace hx,hy,0,0 .6 ?>t!&W  
format 10.4 #[0\=B -  
print VfA5r`^  
print "  X Field    = ", fldx(f), 9H, &nET  
print "  Y Field    = ", fldy(f) <AAZ8#^  
print "  X Chief    = ",rayx(n), nL(%&z \4  
print "  Y Chief    = ",rayy(n) )\D40,p  
xraymax = -9e9 /mB Beg^a  
yraymax = -9e9 PVS<QN%  
xraymin =  9e9 fByh";<`P  
yraymin =  9e9 BUA6(  
xraytot = 0 Sd<@X@iU8D  
yraytot = 0 JfP\7  
numray = 0 c<h!QnJ  
numrayattempt = 0 L^ #<HQ  
px = -1 - delta Xlqz8cI  
label 2 tC@zM.v%  
px = px + delta 'D0X?2  
py = -1 - delta {Sr=SE  
label 3 _[{:!?-?  
py = py + delta `k}l$ih`X  
rad = px*px + py*py S-LZ(o{ZL  
if rad <= 0.9999999 #?$'nya*u  
        raytrace hx, hy, px, py <` p75B  
        numrayattempt = numrayattempt+1 iy.%kHC  
        if !rayv(n)                                              **************************** Q+!0)pG5#  
                numray = numray + 1 <jRFN&"h}  
                x = rayx(n) e:GgA  
                y = rayy(n) 3b?OW7H  
                if (x < xraymin) then xraymin = x Mi/ &$" =  
                if (x > xraymax) then xraymax = x H ?`)[#  
                if (y < yraymin) then yraymin = y 3?*M{Y|  
                if (y > yraymax) then yraymax = y >NH4A_  
                xraytot = xraytot + x jqX@&}3@  
                yraytot = yraytot + y Nr]8P/[~  
        endif 1t\b a1x  
endif x'M^4{4[  
if py < 1.0 then goto 3 C'8!cPFVv  
if px < 1.0 then goto 2 2i7i\?<.  
if numray =,AC%S_D~  
        format 14.8 &weY8\HD  
        print "  X Centroid = ",xraytot/numray, DD@)z0W  
        print "  Y Centroid = ",yraytot/numray ~ gfA](N  
        print "  X Middle   = ",(xraymax+xraymin)/2, }dd k}wga  
        print "  Y Middle   = ",(yraymax+yraymin)/2 @Ge>i5q  
        format .0 \=w'HZH#+  
        print "  ",numray, " out of ", numrayattempt," rays made it through." ,XeyE;||  
else yWv<A^C &  
        print "  No rays made it through!" S7UZGGjTk  
endif )H;pGM:  
f=f+1 L8bI0a]r"*  
if f<= nfld() then goto 1 Y3P.|  
print t":W.q<  
print "All field positions done!" T}n}.JwU  
FORMAT 0.1 zmB31' _  
print "Elapsed time ", ETIM(), " seconds." && DD  
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 N ;Z`%&  
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 H-eEhI(;O  
的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  ],;D2]<s  
J0^{,eY<  
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 z 0~j  
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