Chapter 164: EXRLoader

Core Idea

A loader for the OpenEXR texture format.

EXRLoader currently supports uncompressed, ZIP(S), RLE, PIZ, B44/A and DWA/B compression. Supports reading as UnsignedByte, HalfFloat and Float type data texture.

Key Concepts

• outputFormat : RGBAFormat | RGFormat | RedFormat: Texture output format.
• part : number: For multi-part EXR files, the index of the part to load.
• type : HalfFloatType | FloatType: The texture type.

Code Examples

const loader = new EXRLoader();
const texture = await loader.loadAsync( 'textures/memorial.exr' );

• What it demonstrates: Typical usage of EXRLoader.

Reference Tables

Constructor

Signature
new EXRLoader( manager : LoadingManager )

Properties

Property	Description
`.outputFormat : RGBAFormat	RGFormat
.part : number	For multi-part EXR files, the index of the part to load.
`.type : HalfFloatType	FloatType`

Methods

Method	Description
.parse( buffer : ArrayBuffer ) : DataTextureLoader~TexData	Parses the given EXR texture data.
`.setDataType( value : HalfFloatType	FloatType ) : EXRLoader`
`.setOutputFormat( value : RGBAFormat	RGFormat
.setPart( value : number ) : EXRLoader	For multi-part EXR files, sets which part to load.

Key Takeaways

1. EXRLoader extends: Loader → DataTextureLoader
2. Most relevant properties: outputFormat, part, type.
3. Key methods: parse, setDataType, setOutputFormat, setPart.

Connects To

• Loader: parent class
• DataTextureLoader: parent class
• Source: examples/jsm/loaders/EXRLoader.js