[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············· QK)){cK  
q:I$EpKf?Q  
macro 正文：········· Wf#VA;d  
! centroid.zpl oM!xz1kVL  
! kb71q:[  
! Written by Kenneth Moore 9/1/92 {~SaRB2<'  
! Added TIMER function 4/18/96 hi ~}  
! "#yJHsu]  
TIMER VYZU eh  
! cHx%Nd\  
! The delta controls how many rays will be traced. A nVE9^')8V  
! delta of .025 will trace a 80 x 80 grid in the pupil. 0Vkl`DmeM.  
! j[I`\"  
delta = .025 (hIF]>,kl  
! `K*b?:0lp  
print "This program computes the chief ray coordinates," X'f.Q  
print "centroid coordinates, and middle coordinates for" ~vHk
&r]|  
print "the primary wave spot at each field position." cvnB!$eji  
maxfield = maxf() y%S1ZTScO  
if maxfield == 0 then maxfield = 1 <3TA>Dz  
n = nsur() >-.e AvD  
f = 1 `:eU.  
label 1 )"Q*G/+2Ie  
hx = fldx(f)/maxfield <A>)[u  
hy = fldy(f)/maxfield pd3,pQ  
raytrace hx,hy,0,0 CS 8jA\  
format 10.4 <[Q3rJ  
print Rx7X_A}  
print "  X Field    = ", fldx(f), l.`u5D  
print "  Y Field    = ", fldy(f) ZrO!L_/  
print "  X Chief    = ",rayx(n), *4S-z&,.c  
print "  Y Chief    = ",rayy(n) Fk"Ee&H)(  
xraymax = -9e9 4[yIOs  
yraymax = -9e9 :u6JjW[a)  
xraymin =  9e9 ]0c+/ \b&  
yraymin =  9e9 VA]e  
xraytot = 0 eg/<[ A:  
yraytot = 0 W=JAq%yd<  
numray = 0 ,HB2hHD  
numrayattempt = 0 =w$tvo/  
px = -1 - delta s&a1y~rv  
label 2 ht=P\E  
px = px + delta E<E3&;qD  
py = -1 - delta J-xS:Ha'l  
label 3 ehNzDr\s  
py = py + delta JhHWu<  
rad = px*px + py*py
iD`d99f8O  
if rad <= 0.9999999 +JRF0T  
        raytrace hx, hy, px, py ~g#r6pzN-  
        numrayattempt = numrayattempt+1 T!RT<&
  
        if !rayv(n)                                              **************************** q[3x2sR  
                numray = numray + 1 -d+aV1n  
                x = rayx(n) 5%zXAQD=<  
                y = rayy(n) mYxyWB  
                if (x < xraymin) then xraymin = x @I`C#~  
                if (x > xraymax) then xraymax = x NTo!'p:s  
                if (y < yraymin) then yraymin = y "9!d]2.-Vk  
                if (y > yraymax) then yraymax = y 1x)ZB~L  
                xraytot = xraytot + x K+*Q@R D  
                yraytot = yraytot + y S4UM|`  
        endif q:\g^_!OGA  
endif =(v^5
 
if py < 1.0 then goto 3 i;/xK
=L  
if px < 1.0 then goto 2 ~y HU^5D  
if numray =U8Ek;Drp  
        format 14.8 tVuWVJ4M  
        print "  X Centroid = ",xraytot/numray, +Hvc_Av''  
        print "  Y Centroid = ",yraytot/numray )s_n  
        print "  X Middle   = ",(xraymax+xraymin)/2, ,`D~py,  
        print "  Y Middle   = ",(yraymax+yraymin)/2 fKH7xu!V4+  
        format .0 1MlUG5  
        print "  ",numray, " out of ", numrayattempt," rays made it through." !Ucjax~  
else 54lu2gD'  
        print "  No rays made it through!" U>Ld~cw  
endif cH' iA.  
f=f+1 N`@NiJ(O;  
if f<= nfld() then goto 1 o?L'Pg  
print N|N3x7=gs  
print "All field positions done!" {7u[1[L1  
FORMAT 0.1 S$)*&46g  
print "Elapsed time ", ETIM(), " seconds." Hy.AyU|L  

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 |4$M]Mf0  
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 %,+leKs  
的影響，因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  H'Yh2a`!o  

n3J53| %v  
Kimclps兄果然学识过人，受教了·····

不敢當，互相切磋。

受教了 ZyE
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