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.