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    只看楼主 倒序阅读 楼主  发表于: 2013-01-19
           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············· SwH#=hg  
    9\r5&#<(I  
    macro 正文:········· z)&&Ym#  
    ! centroid.zpl [}l 1`>  
    ! taSYR$VJ  
    ! Written by Kenneth Moore 9/1/92 w 3L+7V,!  
    ! Added TIMER function 4/18/96 k~1{|HxrE  
    ! i?F~]8  
    TIMER m`,h nDp  
    ! xAf?E%_pi  
    ! The delta controls how many rays will be traced. A ;p( Doy)i  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. i+Xb3+R  
    ! _lOyT$DN  
    delta = .025 {f>e~o  
    ! VB+y9$Y'  
    print "This program computes the chief ray coordinates," WZ@$bf}f0  
    print "centroid coordinates, and middle coordinates for" )5U7w  
    print "the primary wave spot at each field position." {'zs4)vw  
    maxfield = maxf() ZN`I4Ak  
    if maxfield == 0 then maxfield = 1 qS[nf>"  
    n = nsur() IkLcL8P^  
    f = 1 @%As>X<3t  
    label 1 ^+dL7g?+  
    hx = fldx(f)/maxfield )}\J    
    hy = fldy(f)/maxfield M0MvOO*ad  
    raytrace hx,hy,0,0 W%}zwQ  
    format 10.4 Kx,<-]4  
    print ^<e(3S:  
    print "  X Field    = ", fldx(f), z`y^o*qc]  
    print "  Y Field    = ", fldy(f) R?kyJ4S  
    print "  X Chief    = ",rayx(n), ]*AQT7PH  
    print "  Y Chief    = ",rayy(n) v}"DW?  
    xraymax = -9e9 TP)}1 @  
    yraymax = -9e9 hzy#%FaB  
    xraymin =  9e9 @yn1#E,  
    yraymin =  9e9 k Rp$[^ma  
    xraytot = 0 <3b Ft[  
    yraytot = 0 zAd%dbU|  
    numray = 0 0qo :M3  
    numrayattempt = 0 p w`YMk  
    px = -1 - delta #6Fc-ysk:  
    label 2 $)M 5@KT  
    px = px + delta yUFT9bD  
    py = -1 - delta D3;#:  
    label 3 kCU (Hi`Q  
    py = py + delta $+[ v17lF  
    rad = px*px + py*py 8}!WJ2[R  
    if rad <= 0.9999999 [`|gj  
            raytrace hx, hy, px, py ;XGO@*V5T  
            numrayattempt = numrayattempt+1 e:RgCDWL  
            if !rayv(n)                                              **************************** FO xZkU\e=  
                    numray = numray + 1 kR;Hb3hb  
                    x = rayx(n) (%iCP/E3  
                    y = rayy(n) 'u4TI=[6  
                    if (x < xraymin) then xraymin = x #?RT$L>n  
                    if (x > xraymax) then xraymax = x B["C~aF  
                    if (y < yraymin) then yraymin = y 6n$g73u<=3  
                    if (y > yraymax) then yraymax = y %8g1h)F"S  
                    xraytot = xraytot + x O/PO?>@-/  
                    yraytot = yraytot + y h2m@Q={  
            endif \zyvu7YA  
    endif 77p8|63  
    if py < 1.0 then goto 3 ]F*fQ Ncjy  
    if px < 1.0 then goto 2 S/7?6y~  
    if numray o0F&,|'  
            format 14.8 - 1tiy.^$F  
            print "  X Centroid = ",xraytot/numray, /}$D&KwYg  
            print "  Y Centroid = ",yraytot/numray 4:Id8r zz  
            print "  X Middle   = ",(xraymax+xraymin)/2, $~<]G)*Z  
            print "  Y Middle   = ",(yraymax+yraymin)/2 ._US8  
            format .0 Hn!13+fS  
            print "  ",numray, " out of ", numrayattempt," rays made it through." 4,qhWe`/  
    else FWDAG$K@0  
            print "  No rays made it through!" 9._owKj  
    endif 0}I aWd^4  
    f=f+1 4b :q84  
    if f<= nfld() then goto 1 3/ 0E9'  
    print ])NQzgS  
    print "All field positions done!" q2~@z-q)b  
    FORMAT 0.1 xy[aZr  
    print "Elapsed time ", ETIM(), " seconds." *32hIiCm  
     
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    离线kimclps
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    只看该作者 1楼 发表于: 2013-01-24
    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 EN;s 8sC!  
    的影響,因此須知道漸暈才能算出chief ray位置。
    离线moth
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    只看该作者 2楼 发表于: 2013-01-27
    回 kimclps 的帖子
    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 Z5|BwM  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  T:Nc^QP|tm  
    Kk`Lu S?  
    Kimclps兄果然学识过人,受教了·····
    离线kimclps
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    只看该作者 3楼 发表于: 2013-01-29
    不敢當,互相切磋。
    离线junel
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    只看该作者 4楼 发表于: 2014-06-21
    受教了 S5V:HRj{?