%Disk Image
%{
%Imaging ToolBox method
r=14;
A=zeros(70,70);  %(fIntsc(refPtR:(refPtRExt),refPtC:(refPtCExt)))
m= {40,40};
A(m{:})=1;
B= imdilate(A,strel('disk',r,0) );
imshow(B)

area=pi*r^2

clear all
%}

%without Image Proc. Toolbox
%r=14;
%A=zeros(70,70);
%A=zeros(r,r);
%P=[40,40];
%center= [refPtR+ round(.5*width), refPtC+ round(.5*width)];
%A=zeros(70,70);
%---------------------------------------------------------------------
%radius=14;
diaExt=2*(radius+1);
circBoxA=zeros(diaExt,diaExt);
center= [radius+2, radius+2];
[m n ]=size(circBoxA);
X = bsxfun(@plus,(1:m)', zeros(1,n));
Y = bsxfun(@plus,(1:n), zeros(m,1));
cirMask= sqrt(sum(bsxfun(@minus,cat(3,X,Y),reshape(center,1,1,[])) .^2,3))<=radius;
area=pi*radius^2;

cirPixA= nnz(cirMask);

optCirMask= double(cirMask);
optCirMask(optCirMask==0)= 0.8;

%+++++++++++Foto Circle Fram(e)+++++++++++++++++++++
expansion=2;
radExpan= radius+expansion;
FdiaExt=2*(radExpan);
circBoxA=zeros(FdiaExt,FdiaExt);
center= [radExpan+1, radExpan+1];
[m n ]=size(circBoxA);
X = bsxfun(@plus,(1:m)', zeros(1,n));
Y = bsxfun(@plus,(1:n), zeros(m,1));
FcirMask= sqrt(sum(bsxfun(@minus,cat(3,X,Y),reshape(center,1,1,[])) .^2,3))<=radExpan;

%FcirPixA= nnz(cirMask);
FoptCirMask= double(FcirMask);
FoptCirMask(FoptCirMask==1)= 2;
%FoptCirMask(FoptCirMask==0)= 1;
%********Combine Masks to create circular boundry************
padOptCirMask= padarray(optCirMask,[expansion-1 expansion-1],0.8);
FoptCirMask= FoptCirMask .* padOptCirMask;
FoptCirMask(FoptCirMask==1.6)= 0.8;
FoptCirMask(FoptCirMask==0)= 1;
FoptCirMask(FoptCirMask==2)= 1;

%---------------------------------------------------
%imagesc(cirMask)