Overview
Comment:Added causal stroke information to ibg.m
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SHA3-256: 99a7320daf3784935a207d12407a0c5792b5e8c20234338dd5e0070311b5c011
User & Date: geraint@users.sourceforge.net on 2003-01-07 21:47:35
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Context
2003-01-09
09:57:42
Added dummy first argument (comp_type) to cr check-in: c76c510fa6 user: gawthrop@users.sourceforge.net tags: origin/master, trunk
2003-01-07
21:47:35
Added causal stroke information to ibg.m check-in: 99a7320daf user: geraint@users.sourceforge.net tags: origin/master, trunk
18:09:21
More informative error message. check-in: d2cfe6e011 user: geraint@users.sourceforge.net tags: origin/master, trunk
Changes
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Modified mttroot/mtt/bin/trans/m/rbg2ibg.m from [5558cbb136] to [4291baf4d9].

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	     port_coord(i,1)/scale, port_coord(i,2)/scale, \
	     deblank(port_name(i,:))));
    endif
    
    ## The (signed) bond corresponding to the ith port label
    port_bond(i) = near_bond(1) * sign(1.5 - near_bond(2));
  endfor
  
  port_bond

  ## Now have (signed) bond (port_bond(i)) corresponding to the ith port
  ## Create inverse mapping
  for i = 1:n_bonds
    eval(sprintf('bond_port_head%i = "[]"', i))
    eval(sprintf('bond_port_tail%i = "[]"', i))
  endfor  
  for i = 1:n_ports








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	     port_coord(i,1)/scale, port_coord(i,2)/scale, \
	     deblank(port_name(i,:))));
    endif
    
    ## The (signed) bond corresponding to the ith port label
    port_bond(i) = near_bond(1) * sign(1.5 - near_bond(2));
  endfor

  port_bond

  ## Now have (signed) bond (port_bond(i)) corresponding to the ith port
  ## Create inverse mapping
  for i = 1:n_bonds
    eval(sprintf('bond_port_head%i = "[]"', i))
    eval(sprintf('bond_port_tail%i = "[]"', i))
  endfor  
  for i = 1:n_ports
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  ## Locate the components at the ends of each bond
  ## col 1 of comp_near_bond contains component nearest to the arrow end
  ## col 2 of comp_near_bond contains component nearest other end
  for i = 1:n_bonds
    comp_near_bond(i,:) = adjcomp(arrow_end(i,:), other_end(i,:), \
				  rcomponents);
    [hc_type, hc_name] = eval([name, '_cmp(comp_near_bond(i,1))']);
    [tc_type, tc_name] = eval([name, '_cmp(comp_near_bond(i,2))']);
  endfor


  ## Deduce causality from the strokes (if any)
  causality = zeros(n_bonds,2);
  if (n_strokes > 0)
    ## Find location of centre and ends of stroke
    stroke_end_1	= [rstrokes(:,1), rstrokes(:,2)];
    stroke_end_2	= [rstrokes(:,3), rstrokes(:,4)];








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  ## Locate the components at the ends of each bond
  ## col 1 of comp_near_bond contains component nearest to the arrow end
  ## col 2 of comp_near_bond contains component nearest other end
  for i = 1:n_bonds
    comp_near_bond(i,:) = adjcomp(arrow_end(i,:), other_end(i,:), \
				  rcomponents);


  endfor
  comp_near_bond

  ## Deduce causality from the strokes (if any)
  causality = zeros(n_bonds,2);
  if (n_strokes > 0)
    ## Find location of centre and ends of stroke
    stroke_end_1	= [rstrokes(:,1), rstrokes(:,2)];
    stroke_end_2	= [rstrokes(:,3), rstrokes(:,4)];
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      else			# bi-causal stroke
	stroke_direction = stroke(1,:) - stroke(stroke_index(1),:);
	flow_side = stroke_direction * arrow_vector(j,:)' > 0;
	causality(j,1+flow_side) = 2 * which_end - 1;
      endif
    endfor
  endif


  ## Return data
  for i = 1:n_bonds



    eval(sprintf("bonds.bond%i.head.component\t= '%s:%s'", i, hc_type, \
		 hc_name));
    eval(sprintf("bonds.bond%i.tail.component\t= '%s:%s'", i, tc_type, \
		 tc_name));

    eval(sprintf("bonds.bond%i.head.ports\t= bond_port_head%i", i, i));
    eval(sprintf("bonds.bond%i.tail.ports\t= bond_port_tail%i", i, i));







  endfor
  







  



  
endfunction








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      else			# bi-causal stroke
	stroke_direction = stroke(1,:) - stroke(stroke_index(1),:);
	flow_side = stroke_direction * arrow_vector(j,:)' > 0;
	causality(j,1+flow_side) = 2 * which_end - 1;
      endif
    endfor
  endif
  causality

  ## Write data
  for i = 1:n_bonds
    [hc_type, hc_name] = eval([name, '_cmp(comp_near_bond(i,1))']);
    [tc_type, tc_name] = eval([name, '_cmp(comp_near_bond(i,2))']);
    ## components
    eval(sprintf("bonds.bond%i.head.component\t= '%s:%s'", i, hc_type, \
		 hc_name));
    eval(sprintf("bonds.bond%i.tail.component\t= '%s:%s'", i, tc_type, \
		 tc_name));
    ## ports
    eval(sprintf("bonds.bond%i.head.ports\t= bond_port_head%i", i, i));
    eval(sprintf("bonds.bond%i.tail.ports\t= bond_port_tail%i", i, i));
    ## causality
    if (causality(i,1) == 1)
      effort_causality = "head"
    elseif (causality(i,1) == -1)
      effort_causality = "tail"
    else
      effort_causality = "none"
    endif

    if (causality(i,2) == 1)
      flow_causality = "tail"
    elseif (causality(i,2) == -1)
      flow_causality = "head"
    else
      flow_causality = "none"
    endif
    
    eval(sprintf("bonds.bond%i.causality.effort\t= '%s'", i, effort_causality));
    eval(sprintf("bonds.bond%i.causality.flow\t= '%s'", i, flow_causality));
  endfor

endfunction

Modified mttroot/mtt/bin/trans/m/write_ibg.m from [8fcc691ebd] to [65712522f3].

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  format_hp = "  %s.bonds.b%i.head.ports\t= \"%s\";\n";
  format_tp = "  %s.bonds.b%i.tail.ports\t= \"%s\";\n";
  format_ce = "  %s.bonds.b%i.causality.effort\t= \"%s\";\n";
  format_cf = "  %s.bonds.b%i.causality.flow\t= \"%s\";\n";

  fprintf(fid, "## -*-octave-*-\n\n");
  fprintf(fid, "function [%s] = %s_ibg\n\n", system_name, system_name);
  fprintf(fid, "## Intermediate bond graph representation of %s\n", \
	  system_name);

  fprintf(fid, "## Generated by MTT on %s\n", ctime(time));




  for i=1:nbonds
    fprintf(fid, "\n  ## bond %i\n", i);
    fprintf(fid, format_hc, system_name, i, \
	    eval(sprintf("bonds.bond%i.head.component", i)));
    fprintf(fid, format_tc, system_name, i, \
	    eval(sprintf("bonds.bond%i.tail.component", i)));
    fprintf(fid, format_hp, system_name, i, \
	    eval(sprintf("bonds.bond%i.head.ports", i)));
    fprintf(fid, format_tp, system_name, i, \
	    eval(sprintf("bonds.bond%i.tail.ports", i)));
    fprintf(fid, format_ce, system_name, i, "FIXME");

    fprintf(fid, format_cf, system_name, i, "FIXME");

  endfor;

  fprintf(fid, "\nendfunction\n");
  fclose(fid);

endfunction;








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  format_hp = "  %s.bonds.b%i.head.ports\t= \"%s\";\n";
  format_tp = "  %s.bonds.b%i.tail.ports\t= \"%s\";\n";
  format_ce = "  %s.bonds.b%i.causality.effort\t= \"%s\";\n";
  format_cf = "  %s.bonds.b%i.causality.flow\t= \"%s\";\n";

  fprintf(fid, "## -*-octave-*-\n\n");
  fprintf(fid, "function [%s] = %s_ibg\n\n", system_name, system_name);
  fprintf(fid, "  ## Intermediate bond graph representation of %s\n", \
	  system_name);

  fprintf(fid, "  ## Generated by MTT on %s\n", ctime(time));
  fprintf(fid, "  ## head refers to the harpoon end of a bond\n");
  fprintf(fid, "  ## tail refers to the other end of a bond\n");
  fprintf(fid, "  ## causality.? is the end at which ? is imposed\n\n");

  for i=1:nbonds
    fprintf(fid, "\n  ## bond %i\n", i);
    fprintf(fid, format_hc, system_name, i, \
	    eval(sprintf("bonds.bond%i.head.component", i)));
    fprintf(fid, format_tc, system_name, i, \
	    eval(sprintf("bonds.bond%i.tail.component", i)));
    fprintf(fid, format_hp, system_name, i, \
	    eval(sprintf("bonds.bond%i.head.ports", i)));
    fprintf(fid, format_tp, system_name, i, \
	    eval(sprintf("bonds.bond%i.tail.ports", i)));
    fprintf(fid, format_ce, system_name, i, \
	    eval(sprintf("bonds.bond%i.causality.effort", i)));
    fprintf(fid, format_cf, system_name, i, \
	    eval(sprintf("bonds.bond%i.causality.flow", i)));
  endfor;

  fprintf(fid, "\nendfunction\n");
  fclose(fid);

endfunction;

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