function D = gridsize(N,H)
% GRIDSIZE Grid dimensions from data matrices
%
%  D = GRIDSIZE(N,H) where N is the node data matrix and H is the
%  horizontal edge data matrix.

% Jerod Weinman
% jerod@acm.org
    
% $Id%
 
% Jerod Weinman
% jerod@acm.org
% Copyright 2004, 2008, 2009
 
%    This file is part of Matlab GridCRF.
%
%    Matlab GridCRF is free software: you can redistribute it and/or modify
%    it under the terms of the GNU General Public License as published by
%    the Free Software Foundation, either version 3 of the License, or
%    (at your option) any later version.
%
%    Matlab GridCRF is distributed in the hope that it will be useful,
%    but WITHOUT ANY WARRANTY; without even the implied warranty of
%    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
%    GNU General Public License for more details.
%
%    You should have received a copy of the GNU General Public License
%    along with Matlab GridCRF.  If not, see <http://www.gnu.org/licenses/>.

  rc = size(N,1);
  rcm1 = size(H,1);
  
  D = [rc-rcm1 rc/(rc-rcm1)];
