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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············· f5yd2wKy6  
    r[?rwc^  
    macro 正文:········· &bL1G(}  
    ! centroid.zpl C&;'Pw9H  
    ! )*_YeT&w.  
    ! Written by Kenneth Moore 9/1/92 @*_K#3  
    ! Added TIMER function 4/18/96 9:kb0oBa?l  
    ! > PYe"  
    TIMER d[S!e`,iD  
    ! lRO8}XSI  
    ! The delta controls how many rays will be traced. A pa\]@;P1  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. ^|x{E20  
    ! _>aesp%  
    delta = .025 JN8k x;@  
    ! zcNV<tx  
    print "This program computes the chief ray coordinates," 9j,zaGD0  
    print "centroid coordinates, and middle coordinates for" AG9U2x  
    print "the primary wave spot at each field position." =-q)I[4#  
    maxfield = maxf() p,4z;.s$  
    if maxfield == 0 then maxfield = 1 D~%cf  
    n = nsur() W5x]bl#  
    f = 1 (Q'XjN\#  
    label 1 pH*L8tT  
    hx = fldx(f)/maxfield *%fOE;-?  
    hy = fldy(f)/maxfield 2HTZ, W  
    raytrace hx,hy,0,0 -,i1T(p1  
    format 10.4 /stED{j,  
    print |FNP~5v  
    print "  X Field    = ", fldx(f), nnE@1X3  
    print "  Y Field    = ", fldy(f) l,/5$JGnk  
    print "  X Chief    = ",rayx(n), |fJ,+)_(  
    print "  Y Chief    = ",rayy(n) .:;i*  
    xraymax = -9e9 -meKaQv  
    yraymax = -9e9 {-E{.7  
    xraymin =  9e9 T[7DJNdG6  
    yraymin =  9e9 e@q[Dv'mu  
    xraytot = 0 Fj5^_2MU:  
    yraytot = 0 %\^x3wP&o\  
    numray = 0 *i\7dJ Dj  
    numrayattempt = 0 1XZ&X]  
    px = -1 - delta U{R*WB b  
    label 2 )V>FU=  
    px = px + delta D!-zQ`^  
    py = -1 - delta =X1$K_cN  
    label 3 &3^40s/+  
    py = py + delta @&~BGh  
    rad = px*px + py*py *;}!WDr  
    if rad <= 0.9999999 yy>4`_  
            raytrace hx, hy, px, py {66vdAu&h<  
            numrayattempt = numrayattempt+1 H ,?MG  
            if !rayv(n)                                              **************************** &{ f5F7E@  
                    numray = numray + 1 XkNi 'GJf  
                    x = rayx(n) ']dTW#i  
                    y = rayy(n) 8+!$k!=X  
                    if (x < xraymin) then xraymin = x lz>5bR'  
                    if (x > xraymax) then xraymax = x G)putk@   
                    if (y < yraymin) then yraymin = y ^6`R:SV4Gx  
                    if (y > yraymax) then yraymax = y x7/2e{p uu  
                    xraytot = xraytot + x l >O]Cpt  
                    yraytot = yraytot + y I,#U _  
            endif 2.x3^/  
    endif p*N+B o  
    if py < 1.0 then goto 3 [OT@gp:  
    if px < 1.0 then goto 2 ZNx{7]=a  
    if numray w|M?t{  
            format 14.8 Ii K&v<(]  
            print "  X Centroid = ",xraytot/numray, d-  ]%  
            print "  Y Centroid = ",yraytot/numray VVf~ULZ-  
            print "  X Middle   = ",(xraymax+xraymin)/2, 5i#B?+Y  
            print "  Y Middle   = ",(yraymax+yraymin)/2 M'g4alS  
            format .0 adxJA}K}  
            print "  ",numray, " out of ", numrayattempt," rays made it through." -x RsYYw  
    else &B3kzs  
            print "  No rays made it through!" kTnvD|3_!P  
    endif M 35}5+  
    f=f+1 0)84Z.k  
    if f<= nfld() then goto 1 4o|~KX8Qz  
    print /bw-*  
    print "All field positions done!" 't>Qj7vh0  
    FORMAT 0.1 ))MP]j9 T  
    print "Elapsed time ", ETIM(), " seconds." * T~sR'K+|  
     
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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 rDSt ~ l  
    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 m]%cNxS  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  =];FojC6I  
    J d`NS3;*p  
    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 #(A>yW702