Chapter 497: ToneMappingNode

Core Idea

This node represents a tone mapping operation.

Key Concepts

• colorNode : Node: Represents the color to process.
• exposureNode : Node: The tone mapping exposure.

Reference Tables

Constructor

Signature
new ToneMappingNode( toneMapping : number, exposureNode : Node, colorNode : Node )

Properties

Property	Description
.colorNode : Node	Represents the color to process.
.exposureNode : Node	The tone mapping exposure.

Methods

Method	Description
.customCacheKey() : number	Overwrites the default customCacheKey() implementation by including the tone mapping type into the cache key.
.getToneMapping() : number	Gets the tone mapping type.
.setToneMapping( value : number ) : ToneMappingNode	Sets the tone mapping type.

Key Takeaways

1. ToneMappingNode extends: EventDispatcher → Node → TempNode
2. Most relevant properties: colorNode, exposureNode.
3. Key methods: customCacheKey, getToneMapping, setToneMapping.

Connects To

• EventDispatcher: parent class
• Node: parent class
• TempNode: parent class
• Source: src/nodes/display/ToneMappingNode.js