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moth 2013-01-19 10:26

macros

       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············· I|#1u7X%]  
fZ*LxL  
macro 正文:········· \~:Uj~  
! centroid.zpl > (.V(]{3y  
! =QiVcw,G#  
! Written by Kenneth Moore 9/1/92 %SX)Z i=O  
! Added TIMER function 4/18/96 #s-^4znv9  
! L`M.Htm8  
TIMER 4R~f   
! %bp8VR sY  
! The delta controls how many rays will be traced. A Hik :Sqpox  
! delta of .025 will trace a 80 x 80 grid in the pupil. 5:o$]LkOWC  
! ;hsem,C h7  
delta = .025 ,>^6ztM  
! p? dXs^ c  
print "This program computes the chief ray coordinates," opKk#40  
print "centroid coordinates, and middle coordinates for" EPZ^I)  
print "the primary wave spot at each field position." ![{>$Q?5  
maxfield = maxf() `a!:-.:v  
if maxfield == 0 then maxfield = 1 %L\buwjy$  
n = nsur() dHtbl\6  
f = 1 g@<E0 q&`$  
label 1 Ev R6^n/  
hx = fldx(f)/maxfield sU/R$Nbr  
hy = fldy(f)/maxfield 1%;o-F@  
raytrace hx,hy,0,0 (61_=,jv\h  
format 10.4 0x-58i0  
print ,.cNs5 [t  
print "  X Field    = ", fldx(f), h#o3qY  
print "  Y Field    = ", fldy(f) wQ4IQ!  
print "  X Chief    = ",rayx(n), (L{Kg U&{$  
print "  Y Chief    = ",rayy(n) ~is$Onf99#  
xraymax = -9e9 D?v)Xqw=  
yraymax = -9e9 h27awO Q  
xraymin =  9e9 Z]1=nSv  
yraymin =  9e9 Gl1Qbd0  
xraytot = 0 (\Iz(N["G  
yraytot = 0 q]-CTx$  
numray = 0 Zewx*Y|  
numrayattempt = 0 Y SvZ7G(m>  
px = -1 - delta VPKoBJ&  
label 2 +EmT+$>J  
px = px + delta y}fF<qih'>  
py = -1 - delta j &#A 9!  
label 3 Q}a,+*N.  
py = py + delta <*g!R!  
rad = px*px + py*py jL|y4  
if rad <= 0.9999999 8fn7!  
        raytrace hx, hy, px, py zH1pW(  
        numrayattempt = numrayattempt+1 Koi  
        if !rayv(n)                                              **************************** 3 e19l!B  
                numray = numray + 1 LEq"g7YH  
                x = rayx(n) W;Rx(o>  
                y = rayy(n) T,Bu5:@#  
                if (x < xraymin) then xraymin = x C)7T'[  
                if (x > xraymax) then xraymax = x t3#My2=  
                if (y < yraymin) then yraymin = y oBA]qI  
                if (y > yraymax) then yraymax = y X"hoDg  
                xraytot = xraytot + x 9(9+h]h+3  
                yraytot = yraytot + y X}Ey6*D:  
        endif Y: ~A-_  
endif +s*OZ6i [  
if py < 1.0 then goto 3 vZgV/?'z  
if px < 1.0 then goto 2 o]&w"3vOP0  
if numray $=x1_  
        format 14.8 >q'xW=Y j\  
        print "  X Centroid = ",xraytot/numray, _f~(g1sE  
        print "  Y Centroid = ",yraytot/numray 2(-J9y|  
        print "  X Middle   = ",(xraymax+xraymin)/2, ^4+ew>BLSv  
        print "  Y Middle   = ",(yraymax+yraymin)/2 -xJ_5  
        format .0 B?Vr9H7n  
        print "  ",numray, " out of ", numrayattempt," rays made it through." 3'd(=hJ45$  
else *^BW[C/CTR  
        print "  No rays made it through!" uhyw?#f  
endif -8L 22t  
f=f+1 A`=;yD  
if f<= nfld() then goto 1 uCc.dluU  
print %idn7STJ}  
print "All field positions done!" /Hox]r]'e  
FORMAT 0.1 j>2Jw'l;?  
print "Elapsed time ", ETIM(), " seconds." Qy)+YhE  
kimclps 2013-01-24 14:06
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 Q9(J$_:  
的影響,因此須知道漸暈才能算出chief ray位置。
moth 2013-01-27 19:43
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 tEz6B}  
的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  mhp&; Q9  
ya81z4?  
Kimclps兄果然学识过人,受教了·····
kimclps 2013-01-29 17:48
不敢當,互相切磋。
junel 2014-06-21 20:48
受教了 ]!>ThBMa  
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