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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············· {TV6eV  
    P*M$^p  
    macro 正文:········· 2wKW17wj,  
    ! centroid.zpl n@"h^-  
    ! E,fG<X{  
    ! Written by Kenneth Moore 9/1/92 L4wKG&  
    ! Added TIMER function 4/18/96 Wdp?<U  
    ! gr%!<2w  
    TIMER "h>B`S  
    ! M1sR+e$"  
    ! The delta controls how many rays will be traced. A 6n}5>GSF  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. }>|!Mf]W?R  
    ! t(,_  
    delta = .025 c(tX761qz  
    ! ecjjCt2S  
    print "This program computes the chief ray coordinates," \4B2%H  
    print "centroid coordinates, and middle coordinates for" bOKgR{i  
    print "the primary wave spot at each field position." {Al}a`da  
    maxfield = maxf() +d=cI  
    if maxfield == 0 then maxfield = 1 E$w2S Q  
    n = nsur() /N'|Vs,X  
    f = 1 |x[zzx# >-  
    label 1 ^/k`URQ  
    hx = fldx(f)/maxfield ==i:*  
    hy = fldy(f)/maxfield No1*~EQ  
    raytrace hx,hy,0,0 U <|h4'(@L  
    format 10.4 ) C?emTih  
    print 1E]|>)$  
    print "  X Field    = ", fldx(f), mF|7:zSo  
    print "  Y Field    = ", fldy(f) ND3(oes+;K  
    print "  X Chief    = ",rayx(n), S<+/Ep 2  
    print "  Y Chief    = ",rayy(n) mnwYv..ePz  
    xraymax = -9e9 f-!A4eKe  
    yraymax = -9e9 H+VKWGmfG  
    xraymin =  9e9 Ki"o0u  
    yraymin =  9e9 q')MKR*  
    xraytot = 0 z 5T_  
    yraytot = 0 X9d~r_2&m<  
    numray = 0 2?)bpp$WZ  
    numrayattempt = 0 rTR4j>Ua~  
    px = -1 - delta 99<0xN(25  
    label 2 cnrS.s=  
    px = px + delta RH+'"f  
    py = -1 - delta `9+>2*k  
    label 3 \8I>^4t'/  
    py = py + delta .Y?/J,Ch  
    rad = px*px + py*py X)tf3M {J@  
    if rad <= 0.9999999 RnA>oKc  
            raytrace hx, hy, px, py axRzn:f  
            numrayattempt = numrayattempt+1 ikSm;.  
            if !rayv(n)                                              **************************** NVTNjDF%s  
                    numray = numray + 1 r dc} e"v  
                    x = rayx(n) 6__#n`  
                    y = rayy(n) jf_0IE  
                    if (x < xraymin) then xraymin = x ~m]sJpW<"  
                    if (x > xraymax) then xraymax = x s?.A $^t  
                    if (y < yraymin) then yraymin = y *=-o0c  
                    if (y > yraymax) then yraymax = y ~"Pu6-\VT  
                    xraytot = xraytot + x x}w"2[fL  
                    yraytot = yraytot + y D~;hIt*  
            endif Pmj]"7Vd[  
    endif 2hjR'6h"Y  
    if py < 1.0 then goto 3 P&ig.Og*  
    if px < 1.0 then goto 2 ed,w-;(n~  
    if numray S<hj6A  
            format 14.8 ]aqHk  
            print "  X Centroid = ",xraytot/numray, <By6%<JTn  
            print "  Y Centroid = ",yraytot/numray :?Xd&u0){  
            print "  X Middle   = ",(xraymax+xraymin)/2, <eObQ[mQ  
            print "  Y Middle   = ",(yraymax+yraymin)/2 +&W%]KEh  
            format .0 kH!I&4d&  
            print "  ",numray, " out of ", numrayattempt," rays made it through." _L6WbRu|  
    else reyN5n~4U  
            print "  No rays made it through!" 8-N8v *0  
    endif nt/+?Sj  
    f=f+1 >bf29tr  
    if f<= nfld() then goto 1 /\%K7\  
    print b6IYo!3  
    print "All field positions done!" ZWC-<QO"<  
    FORMAT 0.1 +TzF*Np  
    print "Elapsed time ", ETIM(), " seconds." )\:cL GM  
     
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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  w' E  
    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 @b\/\\{  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  V6Kw71'9  
    <Q'J=;vV  
    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 ?s[ kUv+=