40 #ifndef __vtkDirectedGraph_h
41 #define __vtkDirectedGraph_h
#define VTK_DIRECTED_GRAPH
static vtkGraph * GetData(vtkInformation *info)
Base class for graph data types.
a simple class to control print indentation
void PrintSelf(ostream &os, vtkIndent indent)
virtual int GetDataObjectType()
virtual bool IsStructureValid(vtkGraph *g)=0