---
title: "EXT_texture_filter_anisotropic | JavaScript maps SDK"
description: "Documentation for MapTiler SDK"
---

> For AI agents: a documentation index is available at [/llms.txt](https://docs.maptiler.com/llms.txt). Markdown versions of all pages are available by appending .md to any URL.

# Interface EXT\_texture\_filter\_anisotropic

The **`EXT_texture_filter_anisotropic`** extension is part of the WebGL API and exposes two constants for anisotropic filtering (AF).

[MDN Reference](https://developer.mozilla.org/docs/Web/API/EXT_texture_filter_anisotropic)

interface EXT\_texture\_filter\_anisotropic {  
    [MAX\_TEXTURE\_MAX\_ANISOTROPY\_EXT](#max_texture_max_anisotropy_ext): 34047;  
    [TEXTURE\_MAX\_ANISOTROPY\_EXT](#texture_max_anisotropy_ext): 34046;  
}

##### Index

### Properties[](#properties)

[MAX\_TEXTURE\_MAX\_ANISOTROPY\_EXT](#max_texture_max_anisotropy_ext) [TEXTURE\_MAX\_ANISOTROPY\_EXT](#texture_max_anisotropy_ext)

## Properties[](#properties-1)

### `Readonly`MAX\_TEXTURE\_MAX\_ANISOTROPY\_EXT[](#max_texture_max_anisotropy_ext)

MAX\_TEXTURE\_MAX\_ANISOTROPY\_EXT: 34047

### `Readonly`TEXTURE\_MAX\_ANISOTROPY\_EXT[](#texture_max_anisotropy_ext)

TEXTURE\_MAX\_ANISOTROPY\_EXT: 34046