JavaScript must be enabled in order to use this site.Please enable JavaScript in your browser and refresh the page. Graph Window The graph is a fundamental component of the OpenBuildingsā¢ GenerativeComponents model because it is where nodes, the basic building blocks of a model, are created, managed, and altered. The graph window. Arranging the Graph Window Using the Graph Toolbar Controls Element Selection Zoom In tool Zoom Out tool Fit View Fit View to Selection Window Area tool Reset View tool Parent topic: Using the Graph