clear;

%%%%%%%%%%%%%%%%%%%%%%%%%% Reading input %%%%%%%%%%%%%%%%%%%
myfid=-1;
while(myfid<0)
	myfile=input('Please enter input file name: ','s');
	myfid=fopen(myfile,'r');
end
mybuf=fscanf(myfid,'%f,%f');
fclose(myfid);
for i=1:size(mybuf)/2
	p(i,1)=mybuf(2*i-1);p(i,2)=mybuf(2*i);
end

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%%%%%%%%%%%%%%%%%%%%%%%%%% Let's assume p %%%%%%%%%%%%%%%%%%%
%for j=1:10
%for i=1:10
%	p(i+(j-1)*10,1)=i*0.1;p(i+(j-1)*10,2)=j*0.1;
%end
%end
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%%%%%%%%%%%%%%%%%%%%%%% Initializing %%%%%%%%%%%%%%%%%%%%%%%%

mysize=size(p);mysize=mysize(1);
n=input('Enter size of the network: ');
mytotal=input('Enter total number of epoch: ');
mypause=input('Enter number of epoch between frame: ');
disp(n);disp(mytotal);disp(mypause);
%pause;
%mypause=100;
%mytotal=1000;
mycount=1;
M=moviein(mytotal/mypause);
minmin=min(min(p));maxmax=max(max(p));
%%%%%%%%%% initialize weights
%n=3;


A=rand(n);
B=rand(n);	%%% w1=(A11,B11)
	figure;hold;
	%%%%%%%% Ploting First frame...
	for i=1:n
		temp1=A(i,:);
		temp2=B(i,:);
		plot(temp1,temp2);
	end
	for i=1:n
		temp1=A(:,i);
		temp2=B(:,i);
		plot(temp1,temp2);
	end
	plot(A,B,'o');
	axis([minmin,maxmax,minmin,maxmax]);
	M(:,mycount)=getframe;
	clf;
%%%%%%%%%%%%%%%%%%%%%% Start Simulation %%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%% Main loop

for m=1:mytotal

%%%%%%%%%%%%%%%%%%%% One epoch
for s=1:mysize

%%%%%%%%% Competing (using distance)
compete=(p(s,1)-A).*(p(s,1)-A)+(p(s,2)-B).*(p(s,2)-B);
mymin=min(min(compete));
for x=1:n
	for y=1:n
		if compete(x,y)==mymin	break; end
	end
	if compete(x,y)==mymin	break;	end	%%now min is at x,y
end

%%%%%%%%% Adjusting (winning node at x,y)
for i=1:n
	for j=1:n
		mymax=sqrt((i-x)^2+(j-y)^2);
		myalpha=(0.001)*exp(-m/mytotal)/exp(mymax^2/2);
		A(i,j)=A(i,j)+myalpha*(p(s,1)-A(i,j));
		B(i,j)=B(i,j)+myalpha*(p(s,2)-B(i,j));
	end
end

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% End one epoch
end
disp(m);
if m==mycount*mypause
	clf;hold;
	%%%%%%%% Ploting
	for i=1:n
		temp1=A(i,:);
		temp2=B(i,:);
		plot(temp1,temp2);
	end
	for i=1:n
		temp1=A(:,i);
		temp2=B(:,i);
		plot(temp1,temp2);
	end
	plot(A,B,'o');axis([minmin,maxmax,minmin,maxmax]);
	M(:,mycount)=getframe;
	mycount=mycount+1;
end
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
end
movie(M,2,2);