title: Matlab Zooming Using Pixel Replication
body: <p>I was trying to zoom an image using pixel replication method. The code below has a "Warning: Image is too big to fit on screen;". I don't know if this is the problem with the output. The output is totally displaying something else. Here is a link to the output... <a href="https://www.dropbox.com/s/ixl80jwutra8e1a/Q.PNG" rel="nofollow">https://www.dropbox.com/s/ixl80jwutra8e1a/Q.PNG</a></p>
  
  <pre><code>Img = handles.Image;
  temp = double(imread(Img));
  b=temp;
  [m,n,colormap]=size(b);
  
  %If RGB Image is given at Input 
  if colormap==3
  x=b(:,:,1);
  y=b(:,:,2);
  z=b(:,:,3);
  end
  
  k=1; %Counter for Row and
  l=1; %Column replication
  f=2; %Replica factor
  
  for i=1:m %Loop for reading row and
      for t=1:f %Row replication
  
          for j=1:n %Loop for reading column and
              for t=1:f %Column replication
  
                  if colormap==3 %If Image is RGB
                  c1(k,l)= x(i,j);
                  c2(k,l)= y(i,j);
                  c3(k,l)= z(i,j);
                  else %If Image is grayscale
                  c(k,l)=b(i,j);
                  end
                  l=l+1;
              end
          end
          l=1;
          k=k+1;
  
      end
  end
  
  if colormap==3 %If Image is RGB
      c(:,:,1)=c1;
      c(:,:,2)=c2;
      c(:,:,3)=c3;
  end
  axes(handles.axes2);
  imshow(c);
  </code></pre>
  
  <p>What exactly is the problem, is there any way out? </p>