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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············· ;6ecrQMw&  
    `#-P[q<v-  
    macro 正文:········· P^`duZ{T  
    ! centroid.zpl 6]zd.W  
    ! '})0!g<Y  
    ! Written by Kenneth Moore 9/1/92 ?E%ELs_Dl  
    ! Added TIMER function 4/18/96 [+m?G4[  
    ! G` fC/Le  
    TIMER l1U=f]  
    ! D]a<4a 18  
    ! The delta controls how many rays will be traced. A u]+~VT1C,3  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. ml|W~-6l  
    ! [YrHA~=U  
    delta = .025 Rm1A>1a :  
    ! obrl#(\P  
    print "This program computes the chief ray coordinates," mI*[>#q>  
    print "centroid coordinates, and middle coordinates for" &!aAO(g  
    print "the primary wave spot at each field position." [[d(jV=*  
    maxfield = maxf() l!}:|N Yh!  
    if maxfield == 0 then maxfield = 1 p Dx-2:}  
    n = nsur() Ch$*Gm19Z  
    f = 1 4'4\ ,o  
    label 1 3kcTE&1^  
    hx = fldx(f)/maxfield CC\*?BKj"  
    hy = fldy(f)/maxfield n+lOb  
    raytrace hx,hy,0,0 /xGmg`g<#  
    format 10.4 I):!`R.,  
    print joKIrS0y  
    print "  X Field    = ", fldx(f), ~8"8w(CG*I  
    print "  Y Field    = ", fldy(f) G7--v,R1x  
    print "  X Chief    = ",rayx(n), P0H6 mn*  
    print "  Y Chief    = ",rayy(n) <<=WY_m}  
    xraymax = -9e9 ydw)mT44K  
    yraymax = -9e9 ?pgG,=?  
    xraymin =  9e9 ;S0Kh"A  
    yraymin =  9e9 [.RO'>2z  
    xraytot = 0 7\*FEjRM]  
    yraytot = 0 P=3RLL<l  
    numray = 0 MX4]Vpv  
    numrayattempt = 0 PP:(EN1  
    px = -1 - delta r]3'74j:  
    label 2 E*L iM5+I  
    px = px + delta N]KxAttt  
    py = -1 - delta _k8A$s<d  
    label 3 `n$5+a+  
    py = py + delta p.+ho~sC,.  
    rad = px*px + py*py $zB[B;-!$  
    if rad <= 0.9999999 S= _vv)6+4  
            raytrace hx, hy, px, py &>e-(4Xu  
            numrayattempt = numrayattempt+1 yQ#:J9HMJ  
            if !rayv(n)                                              **************************** Og=*R6i  
                    numray = numray + 1 =+ t^f  
                    x = rayx(n) ^c:Fy+fb  
                    y = rayy(n) >pU:Gr  
                    if (x < xraymin) then xraymin = x 6[OzU2nB  
                    if (x > xraymax) then xraymax = x |t; ~:A  
                    if (y < yraymin) then yraymin = y  /'31w9  
                    if (y > yraymax) then yraymax = y 6#IU*  
                    xraytot = xraytot + x JQ4{` =,b  
                    yraytot = yraytot + y &WNf M+  
            endif %Y!Yvw^&P(  
    endif Or !+._3i  
    if py < 1.0 then goto 3 U|g:`v7  
    if px < 1.0 then goto 2 `--TP  
    if numray 6N)!aT9eo  
            format 14.8 ?c0xRO%y  
            print "  X Centroid = ",xraytot/numray, %W@v2  
            print "  Y Centroid = ",yraytot/numray pABs!A`N  
            print "  X Middle   = ",(xraymax+xraymin)/2, ^"J8r W6[  
            print "  Y Middle   = ",(yraymax+yraymin)/2 sP^R/z|Y  
            format .0 2tal  
            print "  ",numray, " out of ", numrayattempt," rays made it through." Sm~l:v0%  
    else a'!zG cT  
            print "  No rays made it through!" 35tu>^_#V  
    endif gY@N~'f;"  
    f=f+1 UI>Y0O  
    if f<= nfld() then goto 1 ~I{n^Q/a  
    print &ZL3{M  
    print "All field positions done!" w`q%#q Rk  
    FORMAT 0.1 H,N)4;F<c  
    print "Elapsed time ", ETIM(), " seconds." r\AyN= y  
     
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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 ve\X3"p#  
    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 -Y='_4s  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  .B\5OI,]  
    3K_A<j:  
    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 |JVk&8 ?8