70 G4VVisManager* pVVisManager = G4VVisManager::GetConcreteInstance();
73 G4Circle circle( pos );
74 circle.SetScreenSize( 2. );
75 circle.SetFillStyle( G4Circle::filled );
76 G4Colour colour( 1., 0., 0. );
77 G4VisAttributes attribs( colour );
78 circle.SetVisAttributes( attribs );
79 pVVisManager->Draw( circle );