viewer The viewer accepts renderable objects from all modules with red output ports to include their output in the view. Module Input Ports Objects [Renderable]: Receives renderable objects from any number of modules Module Output Ports View [View / minor] Outputs the view information used by other modules to provide all model extents or interactivity viewer Properties: The user interfaces for the viewer are arranged in 10 categories which cover interaction with the scene, the characteristics of the viewer as well as various output options.