[kgraphviewer-devel] Using libkgraphviz

kleag at free.fr kleag at free.fr
Thu Feb 24 16:30:32 CET 2011


Hi Kevin,

I'm trying to use you branch in a new application (an ontology viewer) including directly the dotgraphview. It will start from an empty graph and programatically add its content.

Here is how I try to do:

  Q_FOREACH( Soprano::Statement s, it.allElements() )
  {
    qDebug() << s.predicate().toString();
    
    KGraphViz::GraphNode* node = m_primaryGraph->graph()->addNewNode(s.predicate().toString());
    node->setShape("box");
  }

  m_primaryGraph->graph()->update();
  m_primaryGraph->slotUpdate();
  m_primaryGraph->displayGraph();


But all what I get is the qDebug output (I get no output from kDebug even if configured with fulldebug and kdebugdialog activated, but that'is another issue) and:

(4235) Dot2QtConsts::qtFont: Unknown dot font ' "" '. returning Qt default. 
(4235): "http://www.w3.org/1999/02/22-rdf-syntax-ns#type" : no render operation. This should not happen. 
(4235): "http://www.w3.org/2000/01/rdf-schema#comment" : no render operation. This should not happen. 
(4235): "http://www.w3.org/2000/01/rdf-schema#domain" : no render operation. This should not happen. 
(4235): "http://www.w3.org/2000/01/rdf-schema#label" : no render operation. This should not happen. 
(4235): "http://www.w3.org/2000/01/rdf-schema#range" : no render operation. This should not happen. 
(4235): "http://www.w3.org/2000/01/rdf-schema#subClassOf" : no render operation. This should not happen. 
(4235): "http://www.w3.org/2002/07/owl#versionInfo" : no render operation. This should not happen. 
(4235): "http://www.w3.org/1999/02/22-rdf-syntax-ns#type" : no render operation. This should not happen. 
(4235): "http://www.w3.org/2000/01/rdf-schema#comment" : no render operation. This should not happen. 
....


Something must be badly initialized but I cannot find what. 

Any idea ?

Regards,

Gaël


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