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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············· f.D?sHAn  
    :flx6,7D  
    macro 正文:········· \y97W&AN  
    ! centroid.zpl 8<X#f !  
    ! h;p>o75O  
    ! Written by Kenneth Moore 9/1/92 ,]|#[8  
    ! Added TIMER function 4/18/96 Vc 1\i  
    ! fz|cnU  
    TIMER T -.%  
    ! CyJEY-  
    ! The delta controls how many rays will be traced. A ;Y 00TGU  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. 6</xL9#/  
    ! U;YC}r  
    delta = .025 N-G1h?e4  
    ! * aN  
    print "This program computes the chief ray coordinates," 8[a=OP  
    print "centroid coordinates, and middle coordinates for" "sS}N%!  
    print "the primary wave spot at each field position." j]{_s"O  
    maxfield = maxf() F0GxH?  
    if maxfield == 0 then maxfield = 1 p*< 0"0  
    n = nsur() N(; 1o.~  
    f = 1 $Ipg&`S"  
    label 1 yQ U{ zY  
    hx = fldx(f)/maxfield C^O VB-  
    hy = fldy(f)/maxfield Pr3qo4t.L  
    raytrace hx,hy,0,0 =#;3Q~:Jl^  
    format 10.4 urbp#G/>  
    print @P#N2:jwj  
    print "  X Field    = ", fldx(f), )F}F_Y  
    print "  Y Field    = ", fldy(f) N:S/SZI  
    print "  X Chief    = ",rayx(n), =b%MXT  
    print "  Y Chief    = ",rayy(n) Yrb{ByO&  
    xraymax = -9e9  DGRXd#  
    yraymax = -9e9 $:8x(&+/@  
    xraymin =  9e9 \z>fb%YW  
    yraymin =  9e9 \.0^n3y  
    xraytot = 0 vUN22;Z\  
    yraytot = 0 r)lEofX,g+  
    numray = 0 SzAJ2:qhl  
    numrayattempt = 0 :y+2*lV  
    px = -1 - delta Hkk/xNP  
    label 2 ?iw!OoZ`  
    px = px + delta !<j'Ea  
    py = -1 - delta 02f~En}>6  
    label 3 :G [|CPm-  
    py = py + delta UxbjA- U[  
    rad = px*px + py*py t#V!8EpBg  
    if rad <= 0.9999999 &:;:"{t}Do  
            raytrace hx, hy, px, py hB "fhX  
            numrayattempt = numrayattempt+1 AS!?q  
            if !rayv(n)                                              **************************** &b.=M>\9Q  
                    numray = numray + 1 v:f}XK<  
                    x = rayx(n) jfP*"uUK  
                    y = rayy(n) .~)q};Z  
                    if (x < xraymin) then xraymin = x ],>@";9u"  
                    if (x > xraymax) then xraymax = x 4qO+_!x{)  
                    if (y < yraymin) then yraymin = y "~#3&3HVS  
                    if (y > yraymax) then yraymax = y SOs:]U-T3  
                    xraytot = xraytot + x EOIN^4V"  
                    yraytot = yraytot + y :WjpzgPuN  
            endif \MsTB|Z  
    endif +Jlay1U&  
    if py < 1.0 then goto 3 yg `j-9[8  
    if px < 1.0 then goto 2 /@wg>&L]  
    if numray X@'u y<tI-  
            format 14.8 Qk0R a_  
            print "  X Centroid = ",xraytot/numray, ~,d,#)VE2q  
            print "  Y Centroid = ",yraytot/numray c-x,fS"&W  
            print "  X Middle   = ",(xraymax+xraymin)/2, &SIq2>QA  
            print "  Y Middle   = ",(yraymax+yraymin)/2 tGD6AI1"I  
            format .0 tnV/xk#!  
            print "  ",numray, " out of ", numrayattempt," rays made it through." 8Ry3`ct  
    else ++bf#qS<8D  
            print "  No rays made it through!" j5QuAU8  
    endif zbXI%  
    f=f+1 0Be< X  
    if f<= nfld() then goto 1 }v@dL3{f  
    print bo,_&4?  
    print "All field positions done!" 0m7Y>0wC6T  
    FORMAT 0.1 QMA%$  
    print "Elapsed time ", ETIM(), " seconds." S$f9m  
     
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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 Hj'xAtx5  
    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 :#2Bw]z&z  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  /{|EAd{  
    |].pDwgt  
    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 9F6F~::l}