www.pudn.com > work.rar > print.m

p=fopen('gridme.txt','r'); 
lightpoint=fscanf(p,'%f'); 
n=length(lightpoint); 
p=fopen('gridme.txt','r'); 
lightpoint=fscanf(p,'%f %f',[2,n/2]); 
lightpoint=lightpoint'; 
x=lightpoint(:,1); 
y=lightpoint(:,2); 
plot(x,y,'.','markersize',4,'color','g')