Concept and Use Cases

Scoping: Concept 
 The scope concept supplies selects only specific parts of the scene graph for rendering, depending on the specific situation. 
 
 
 
 
 Scope forms conceptual groups independent of the scene graph. 
 Node part of the scene tree can be assigned to several scopes. 
 
 
 
 
 Scopes are logical entities defined as bit fields, whereby each scope corresponds to a bit field. The set of scopes associated to a node is called scope mask. By default, the scope mask of all nodes including cameras contains all of the 32 scopes. 
 Scoping: Use Cases 
 The scope concept is used for: 
 
 
 
 
 Light culling: Only objects part of the scope of a given light will be illuminated 
 Visibility culling: Only objects part of the scope of a given camera will be rendered 
 
 
 
 
 Scope Mask 
 This option "Show scope mask in hexadecimal format" is available in the Preferences dialog opened from "File" > "Preferences" menu, section Editor. It ensures that the values for Scope property will be displayed in hex in the Properties panel.