[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············· `%S#XJU  
O4fl$egQU  
macro 正文：········· K';x2ffj  
! centroid.zpl $fl+l5?9  
! C{8(ew  
! Written by Kenneth Moore 9/1/92 uiIS4S_  
! Added TIMER function 4/18/96 El#"vIg(\  
! &i
?>mt  
TIMER x 2Cp{+}  
! %T'<vw0  
! The delta controls how many rays will be traced. A r:Rk!z*  
! delta of .025 will trace a 80 x 80 grid in the pupil. jQrw^6C  
! sW]fPa(cn,  
delta = .025 v)J(@>CZ[  
! :J6lJ8w ?  
print "This program computes the chief ray coordinates," zy
i;vu  
print "centroid coordinates, and middle coordinates for" !U8n=A#,-  
print "the primary wave spot at each field position." |Y&&g=7  
maxfield = maxf() .-HwT3  
if maxfield == 0 then maxfield = 1 UCVdR<<Z  
n = nsur() p?XVO#  
f = 1 o6T'U#7P  
label 1 3r-oZ8/n  
hx = fldx(f)/maxfield UY$Lqe~  
hy = fldy(f)/maxfield x|lX1Mh$  
raytrace hx,hy,0,0 ,37\8y?o\  
format 10.4 's_[#a;Vp  
print 38l 8n.  
print "  X Field    = ", fldx(f), ;2jH;$HZ  
print "  Y Field    = ", fldy(f) GjH$!P=.  
print "  X Chief    = ",rayx(n), GP{$w_'!J0  
print "  Y Chief    = ",rayy(n)
Usz O--.C  
xraymax = -9e9 R7ze~[oF  
yraymax = -9e9 e'0BP,\f_}  
xraymin =  9e9 * faG0le  
yraymin =  9e9 @K=C`N_22  
xraytot = 0 -#<AbT  
yraytot = 0 KO3X)D<3  
numray = 0 zqt{oN_  
numrayattempt = 0 Q.Xs%{B  
px = -1 - delta w9]HJ3qi  
label 2 qbD>)}:1  
px = px + delta BH\
!yxK  
py = -1 - delta [H5BIM@{  
label 3 PEDV9u[A  
py = py + delta L| K8  
rad = px*px + py*py Zb}U 4  
if rad <= 0.9999999 VtnVl`/]  
        raytrace hx, hy, px, py RBOg;EJ  
        numrayattempt = numrayattempt+1 !M@jW[s  
        if !rayv(n)                                              **************************** $@^*lUw  
                numray = numray + 1 g?E8zf `  
                x = rayx(n) 2D)B%nM[  
                y = rayy(n) @P@{%I  
                if (x < xraymin) then xraymin = x <@H`5[
R  
                if (x > xraymax) then xraymax = x 4U>g0  
                if (y < yraymin) then yraymin = y h
h7unHt-  
                if (y > yraymax) then yraymax = y ( we)0AxF'  
                xraytot = xraytot + x +*L<"@  
                yraytot = yraytot + y []b= xRJM  
        endif =M`Xu#eRk  
endif #sM`>KG6T1  
if py < 1.0 then goto 3 $q*hE&x Qd  
if px < 1.0 then goto 2 jT=fq'RK  
if numray Xb2.t^ ]f  
        format 14.8 TY;%nT  
        print "  X Centroid = ",xraytot/numray, _|VF^\i  
        print "  Y Centroid = ",yraytot/numray %Hu?syo  
        print "  X Middle   = ",(xraymax+xraymin)/2, ex6QHUQ  
        print "  Y Middle   = ",(yraymax+yraymin)/2 F4DJM
L-(  
        format .0 ,{2= nb[  
        print "  ",numray, " out of ", numrayattempt," rays made it through." QERj`/
g  
else ;u;_\k<qK  
        print "  No rays made it through!" sT'j36Nc<,  
endif pS+hE4D  
f=f+1 +$$5Cv5#<&  
if f<= nfld() then goto 1 +vt?3i\^.  
print D6,Ol4d  
print "All field positions done!" Qv6-,6<  
FORMAT 0.1 i5cK5MaD  
print "Elapsed time ", ETIM(), " seconds." of8 >xvE|  

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 08+\fT [  
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 N<b~,[yCd>  
的影響，因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  SLRF\mh!L  

eV~"T2!Sb  
Kimclps兄果然学识过人，受教了·····

不敢當，互相切磋。

受教了 xkU8(=