[kgraphviewer-devel] Re: Using libkgraphviz

[Gaël (aka Kleag)]

Hi again,

Well, I solved the problem: I was not initializing the application like needed 
and thus I solved the debug output problem. With it, I saw that the ids of the 
nodes I created were not valid...

Regards,

Gaël
Le jeudi 24 février 2011 16:30:32, kleag at free.fr a écrit :
> 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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KGraphViewer - a GraphViz dot graphs viewer and editor based on a reusable 
part
http://extragear.kde.org/apps/kgraphviewer