---
title: "TerrainData | 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.

# Type Alias TerrainData

type TerrainData \= {  
    [depthTexture](#depthtexture): [WebGLTexture](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.WebGLTexture/);  
    [texture](#texture): [WebGLTexture](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.WebGLTexture/);  
    [tile](#tile): [Tile](https://docs.maptiler.com/sdk-js/api-reference/classes/Tile/);  
    [u\_depth](#u_depth): number;  
    [u\_terrain](#u_terrain): number;  
    [u\_terrain\_dim](#u_terrain_dim): number;  
    [u\_terrain\_exaggeration](#u_terrain_exaggeration): number;  
    [u\_terrain\_matrix](#u_terrain_matrix): [mat4](https://docs.maptiler.com/sdk-js/api-reference/types/Externals.mat4/);  
    [u\_terrain\_unpack](#u_terrain_unpack): number\[\];  
}

##### Index

### Properties[](#properties)

[depthTexture](#depthtexture) [texture](#texture) [tile](#tile) [u\_depth](#u_depth) [u\_terrain](#u_terrain) [u\_terrain\_dim](#u_terrain_dim) [u\_terrain\_exaggeration](#u_terrain_exaggeration) [u\_terrain\_matrix](#u_terrain_matrix) [u\_terrain\_unpack](#u_terrain_unpack)

## Properties[](#properties-1)

### depthTexture[](#depthtexture)

depthTexture: [WebGLTexture](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.WebGLTexture/)

### texture[](#texture)

texture: [WebGLTexture](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.WebGLTexture/)

### tile[](#tile)

tile: [Tile](https://docs.maptiler.com/sdk-js/api-reference/classes/Tile/)

### u\_depth[](#u_depth)

u\_depth: number

### u\_terrain[](#u_terrain)

u\_terrain: number

### u\_terrain\_dim[](#u_terrain_dim)

u\_terrain\_dim: number

### u\_terrain\_exaggeration[](#u_terrain_exaggeration)

u\_terrain\_exaggeration: number

### u\_terrain\_matrix[](#u_terrain_matrix)

u\_terrain\_matrix: [mat4](https://docs.maptiler.com/sdk-js/api-reference/types/Externals.mat4/)

### u\_terrain\_unpack[](#u_terrain_unpack)

u\_terrain\_unpack: number\[\]