// Choose a valid 3D interactor
vtkRenderWindowInteractor* iren = NULL;
+ /* TODO
auto iIt = this->m_Interactors.begin( );
for( ; iIt != this->m_Interactors.end( ) && iren == NULL; ++iIt )
{
iren = *iIt;
} // rof
+ */
if( iren == NULL )
return( false );