light tools模拟时都是中心暗,周围有亮圆环。
模拟光源为朗伯点光源。
6:$+"@ps Qi?xx') k'b'Ay(< z!>
H^v 是根据这篇
论文编的matlab代码。
\[MQJX,dn >/eV4ma" YI!@,t HgfeSH 哪位大神指点一下
oD?c]}3 clear;
PEIf)**0N H=20;
xTV3U9 v a=100;
ZBcT@hxm itheta=0;
9 U!-Zn! i=1;
?jy6%Y#,i for theta=0:0.0001:pi/2
`^#V1kRmH if abs(integral(@(y)cos(y),itheta(i),theta)-1/a)<=0.00005
i<>zN^zn itheta(i+1)=theta;
;VlA~tv i=i+1;
l$mfsm|{: end
`Ir{ax&H.e end
rJ 7yq|^Z R=30;
HAOl&\)7"_ r=0;
>|!s7.H/J/ for i=1:a
v$_YZm{!< r(i+1)=sqrt(R^2/a+r(i)^2);
;wF 0s end
NL7CeHs5 I(:,1)=sin(itheta);
6OOdVS3\J I(:,2)=cos(itheta);
xfsf N=[0,1];
XzV:q!e- P=[0,5];
|^! O=[0,1];
jXCSD@?]K n=1.5896;
[ _Nw5_ for i=1:a;
E Qn4+ P(i+1,1)=( N(i,1)*P(i,1) + N(i,2)*P(i,2) ) / ( N(i,1) + N(i,2)*I(i+1,2)/I(i+1,1) );
/rQ[Ik$| P(i+1,2)= P(i+1,1) * I(i+1,2) / I(i+1,1);
kl/eJN'S O(i+1,1)=( r(i) - P(i+1,1) ) / sqrt( (r(i)-P(i+1,1))^2 + (H-P(i+1,2))^2);
8a}et8df: O(i+1,2)=(H-P(i+1,2)) / sqrt( (r(i)-P(i+1,1))^2 + (H-P(i+1,2))^2 );
-Nn@c|fz N(i+1,=( O(i+1, - n*I(i+1,) / sqrt( 1 + n^2 - 2*n*dot(O(i+1,,I(i+1,) );
rm"C|T4:V end
-<MA\iSP P(:,3)=0;
vC1D}=Fp plot(P(:,1),P(:,2));
g$P <`. :1/K$A)^{