/[ascend]/trunk/pygtk/incidencematrix.cpp
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revision 1109 by johnpye, Thu Jan 11 04:07:02 2007 UTC revision 1110 by johnpye, Thu Jan 11 04:23:27 2007 UTC
# Line 4  Line 4 
4  #include <iostream>  #include <iostream>
5  using namespace std;  using namespace std;
6    
 #ifdef ASC_WITH_MFGRAPH  
 # include <mfg_draw_graph.h>  
 # include <mfg_graph_drawer.h>  
 #endif  
   
7  #include "variable.h"  #include "variable.h"
8  #include "relation.h"  #include "relation.h"
9    
# Line 227  IncidenceMatrix::getNumBlocks(){ Line 222  IncidenceMatrix::getNumBlocks(){
222      return bb->nblocks;      return bb->nblocks;
223  }  }
224    
225  #if ASC_WITH_MFGRAPH  #ifdef ASC_WITH_MFGRAPH
226  void  /**
227  IncidenceMatrix::writeBlockGraph(ostream &os, const int &block){      Return an MFGRAPH object containing the incidence information for the
228        local block. It is intended that this should be passed back to the python
229        layer as a SWIGed object that Python can decode. It might prove easier
230        just to write a .dot from this C++ layer however.
231    */
232    mfg::DrawGraph
233    IncidenceMatrix::getBlockGraph(const int &block) const{
234      using namespace mfg;      using namespace mfg;
235    
236      DrawGraph g;      DrawGraph g;
237      Node* a = g.CreateNode();      Node *a = g.CreateNode();
238      Node* x = g.CreateNode();      Node *x = g.CreateNode();
239      Edge* ax = g.CreateEdge(a, x);      Edge *ax = g.CreateEdge(a, x);
240      ax->Attribs()["color"] = "red";      ax->Attribs()["color"] = "red";
241      Subgraph* s = g.CreateSubgraph();      Subgraph *s = g.CreateSubgraph();
242      Node* b = g.CreateNode(s);      Node *b = g.CreateNode(s);
243      b->Attribs()["style"] = "filled";      b->Attribs()["style"] = "filled";
244      b->Attribs()["fillcolor"] = "green";      b->Attribs()["fillcolor"] = "green";
245      Edge* ab = g.CreateEdge(a, b);      Edge *ab = g.CreateEdge(a, b);
246        return g;
     g.PrintAsDot(os);  
247  }  }
248  #endif  #endif
249    
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john.pye@anu.edu.au
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