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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············· FBfyW- 7  
    -u6`B -T  
    macro 正文:········· [&mYW.O<  
    ! centroid.zpl i2<dn)K[~-  
    ! ^%|(dMo4  
    ! Written by Kenneth Moore 9/1/92 E3N4(V\*  
    ! Added TIMER function 4/18/96 <fY<.X  
    ! ebF},Q(48  
    TIMER wA`A+Z2*?  
    ! WFBg3#p  
    ! The delta controls how many rays will be traced. A 8'+XR`g:ax  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. x Hw$  
    ! ]# hT!VOd  
    delta = .025 G:qkk(6_#  
    ! XK:KWqW  
    print "This program computes the chief ray coordinates," Jt4T)c9  
    print "centroid coordinates, and middle coordinates for" l\8 l.xP  
    print "the primary wave spot at each field position." h#bpog  
    maxfield = maxf() IQK__)  
    if maxfield == 0 then maxfield = 1 B8'(3&)My  
    n = nsur() 64s9Dy@%F  
    f = 1 lyzMKla"  
    label 1 fT.5@RR7^  
    hx = fldx(f)/maxfield GXaCH))TO  
    hy = fldy(f)/maxfield 6ju+#]T  
    raytrace hx,hy,0,0 !:3NPjhf1Y  
    format 10.4 ;D_6u(IC4:  
    print ~Ra1Zc$o:  
    print "  X Field    = ", fldx(f), 'Mjbvh4  
    print "  Y Field    = ", fldy(f) 8xUmg&  
    print "  X Chief    = ",rayx(n), * wN+Ak q  
    print "  Y Chief    = ",rayy(n) LQYT/  
    xraymax = -9e9 Fs:l"5~>1  
    yraymax = -9e9 WU1 I>i  
    xraymin =  9e9 6.tppAO+  
    yraymin =  9e9 (E)/' sEb  
    xraytot = 0 Ch ` Omq  
    yraytot = 0 UC*<]  
    numray = 0 st36xS  
    numrayattempt = 0 IsO'aFK)ln  
    px = -1 - delta %>cc%(POO  
    label 2 g#=^U`y  
    px = px + delta 'w.:I TJf  
    py = -1 - delta /= P!9d {  
    label 3 %@(6,^3%i  
    py = py + delta {rOz[E9vm  
    rad = px*px + py*py \@4QG.3&  
    if rad <= 0.9999999 $i@5'[jA  
            raytrace hx, hy, px, py e*vSGT$KgL  
            numrayattempt = numrayattempt+1 ihH!"HH+  
            if !rayv(n)                                              **************************** kYs2AzS{d  
                    numray = numray + 1 "/hs@4{u9  
                    x = rayx(n)  6" 3!9JC  
                    y = rayy(n) RCNqHYR  
                    if (x < xraymin) then xraymin = x URR| Q!D  
                    if (x > xraymax) then xraymax = x R4}G@&Q  
                    if (y < yraymin) then yraymin = y =}7wpTc,  
                    if (y > yraymax) then yraymax = y @6.1EK0  
                    xraytot = xraytot + x XuHJy  
                    yraytot = yraytot + y #.}Su+XF  
            endif =]7|*-  
    endif ~;m~)D  
    if py < 1.0 then goto 3 0*:]eM};P  
    if px < 1.0 then goto 2 pM[UC{  
    if numray 4$.UVW\  
            format 14.8 A@'):V8_%C  
            print "  X Centroid = ",xraytot/numray, {b/60xl?  
            print "  Y Centroid = ",yraytot/numray c<JJuG  
            print "  X Middle   = ",(xraymax+xraymin)/2, nC`#Hm.V%  
            print "  Y Middle   = ",(yraymax+yraymin)/2 *goi^ Xp  
            format .0 iG!MIt*  
            print "  ",numray, " out of ", numrayattempt," rays made it through." }Sp MHR`  
    else )X\3bPDJR  
            print "  No rays made it through!" TQ@*eoJj  
    endif n2 ,b~S\e  
    f=f+1 XrSqU D  
    if f<= nfld() then goto 1 a((5_8SX5  
    print E_?3<)l)RI  
    print "All field positions done!" *JO"8iLw  
    FORMAT 0.1 {yVi/*;f^  
    print "Elapsed time ", ETIM(), " seconds." nEOhN  
     
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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 "c\T  
    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 e[e2X<&0RT  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  HmX (= Y  
    ^jCkM29eu  
    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 zR`]8E]