The 3D graph view sub-window is the window where the graph is displayed. It can display graph in two or three dimensions and enables to apply the mouse operations selected in the tool bar by directly clicking on the drawing of the graph. If the user lets the mouse during few seconds on a node, a tooltip window displays informations about it. When the drawed graph is huge, the display is splitted in parts, so Tulip only draw thousand nodes and edges each time. This enables to navigate in real time in the graph even if the graphics hardware is slow.