eradiate.scenes.bsdfs.BSDF

class eradiate.scenes.bsdfs.BSDF(id=None)

Bases: NodeSceneElement, ABC

Abstract base class for all BSDF scene elements.

Parameters:

id (str, optional) – Identifier of the current scene element.

Fields:

id (str or None) – Identifier of the current scene element.

traverse(callback)

Traverse this scene element and collect kernel dictionary template and parameter update map contributions.

Parameters:

callback (SceneTraversal) – Callback data structure storing the collected data.

update()

Enforce internal state consistency. This method should be called when fields are modified. It is automatically called as a post-init step.

property objects

Map of child objects associated with this scene element.

Returns:

dict – A dictionary mapping object names to a corresponding object to be inserted in the Eradiate scene graph.

property params

Returns:

dict[str, UpdateParameter] or None – A dictionary mapping parameter paths, consisting of dot-separated strings, to a corresponding update protocol.

See also

UpdateParameter, UpdateMapTemplate

abstract property template

Kernel dictionary template contents associated with this scene element.

Returns:

dict – A flat dictionary mapping dot-separated strings describing the path of an item in the nested scene dictionary to values. Values may be objects which can be directly used by the mitsuba.load_dict() function, or InitParameter instances which must be rendered.

See also

InitParameter, KernelDictTemplate