function [bonds,components] = rbg2abg(name,rbonds,rstrokes,rcomponents,port_coord,port_name,infofile)

% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% Version control history
% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %% $Id$
% %% $Log$
% %% Revision 1.20  1997/08/18  19:39:48  peterg
% %% Now generates (exampaded) port_bond list correctely
% %%
% %% Revision 1.19  1997/08/14  11:59:47  peterg
% %% Vector ports added!!
% %%
% %% Revision 1.18  1997/08/14  11:01:42  peterg
% %% Reordered algorithms as follows:
% %% bond end coordinates
% %% associate port labels with bonds (port_bond)

% We now have a list (comp_near_bond) of the component(s) at each end
% of each bond

% Now do a list of the bonds on each component - unsorted at this stage.
components = [];
for i = 1:n_components
  %Get component type
  eval(['[comp_type, comp_name] = ', name, '_cmp(i)']);

  % There are n_comp_bonds bonds on this component with corresponding index
  [index,n_comp_bonds] = getindex(comp_near_bond,i);

  if index(1,1)==0
    mtt_info(sprintf("Component %s (%s) has no bonds", comp_name,
    comp_type),infofile);
  end;
  
  % Create the signed list of bonds on this component
  one = ones(n_comp_bonds,1);
  bond_list = index(:,1); %  bond at component
  bond_end = index(:,2);  % which end of bond at component?
  direction = -sign(bond_end-1.5*one);
  signed_bond_list = bond_list.*direction;