[讨论]macros [复制链接]

       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············· v$
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macro 正文：········· w]<V~
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! centroid.zpl {jdtNtw  
! rywui10x*  
! Written by Kenneth Moore 9/1/92 Q8-;w{%  
! Added TIMER function 4/18/96 %-9?rOr  
! RE)!b  
TIMER E%Tpby}^'  
! Z[9) hGh  
! The delta controls how many rays will be traced. A -_@zyF<G  
! delta of .025 will trace a 80 x 80 grid in the pupil. 4mHR+SZy  
! DpD19)ouy  
delta = .025 Hwb+@'o  
! 80J87\)  
print "This program computes the chief ray coordinates," ]k+XL*]'A  
print "centroid coordinates, and middle coordinates for" &.W,Hh  
print "the primary wave spot at each field position." l-^2
>K[  
maxfield = maxf() lL8
pIcQW  
if maxfield == 0 then maxfield = 1 H(|n,c  
n = nsur() /%&Kbd  
f = 1 =n@"lY u[  
label 1 v@,n]"  
hx = fldx(f)/maxfield 2Xw=kwu  
hy = fldy(f)/maxfield 8M6 Xd]{%  
raytrace hx,hy,0,0 ,s ` y  
format 10.4 {*yFTP"93  
print VrQgn9L  
print "  X Field    = ", fldx(f), |)TI&T;k  
print "  Y Field    = ", fldy(f) h2S!<  
print "  X Chief    = ",rayx(n), FS'|e?WU  
print "  Y Chief    = ",rayy(n) WZ@hP'Zc  
xraymax = -9e9 UTWchh  
yraymax = -9e9 E5;6ks)  
xraymin =  9e9 z6'Cz}%EP'  
yraymin =  9e9 a7Mn/ i.  
xraytot = 0 Ga<U
vr%+  
yraytot = 0 1>yh`Bp\=  
numray = 0 I8x,8}o>V  
numrayattempt = 0 T6ihEb$C  
px = -1 - delta g49G7sk  
label 2 MiK -W  
px = px + delta '@0Z#A  
py = -1 - delta %3%bRP  
label 3
8(3nv[  
py = py + delta d/&W[jJ  
rad = px*px + py*py 
+x!Hc  
if rad <= 0.9999999 cy-o@U"s8  
        raytrace hx, hy, px, py B3^F $6=  
        numrayattempt = numrayattempt+1 AONEUSxJ  
        if !rayv(n)                                              **************************** B}(r>8?dm  
                numray = numray + 1 ?td`*n~,  
                x = rayx(n) 8(zE^W,[8"  
                y = rayy(n) 8l.bT|#O  
                if (x < xraymin) then xraymin = x G+~f  
                if (x > xraymax) then xraymax = x mAM:Q*a'  
                if (y < yraymin) then yraymin = y L
*6R5i>  
                if (y > yraymax) then yraymax = y P.y06^ X}A  
                xraytot = xraytot + x IRknD3LX  
                yraytot = yraytot + y oNEjlV*  
        endif +dG3/vV  
endif T?g%I  
if py < 1.0 then goto 3 tE8aL{<R  
if px < 1.0 then goto 2 \Ota~A  
if numray Z g.La<#  
        format 14.8 h`n) b  
        print "  X Centroid = ",xraytot/numray, WR"?j9y_q  
        print "  Y Centroid = ",yraytot/numray "Cz0r"N  
        print "  X Middle   = ",(xraymax+xraymin)/2, Q2>o+G  
        print "  Y Middle   = ",(yraymax+yraymin)/2 drQI@sPp  
        format .0 `nCVO;B  
        print "  ",numray, " out of ", numrayattempt," rays made it through." f6,?Yex8B  
else =OeL
F  
        print "  No rays made it through!" gs"w 0[$  
endif p:NIRs  
f=f+1 OQ&'3hv{  
if f<= nfld() then goto 1 |}o6N5)  
print im3BQIPR  
print "All field positions done!" $'x#rW>v  
FORMAT 0.1 F{G.dXZZ<  
print "Elapsed time ", ETIM(), " seconds." H?_wsh4J  

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 jdI
AN  
的影響，因此須知道漸暈才能算出chief ray位置。

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 *^w}SE(  
的影響，因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  {9@u:(<X9  

T2n3g|4  
Kimclps兄果然学识过人，受教了·····

不敢當，互相切磋。

受教了 >x3lA0m