---
title: "TerrainPreludeUniformsType | 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 TerrainPreludeUniformsType

type TerrainPreludeUniformsType \= {  
    [u\_depth](#u_depth): [Uniform1i](https://docs.maptiler.com/sdk-js/api-reference/classes/Externals.Uniform1i/);  
    [u\_terrain](#u_terrain): [Uniform1i](https://docs.maptiler.com/sdk-js/api-reference/classes/Externals.Uniform1i/);  
    [u\_terrain\_dim](#u_terrain_dim): [Uniform1f](https://docs.maptiler.com/sdk-js/api-reference/classes/Externals.Uniform1f/);  
    [u\_terrain\_exaggeration](#u_terrain_exaggeration): [Uniform1f](https://docs.maptiler.com/sdk-js/api-reference/classes/Externals.Uniform1f/);  
    [u\_terrain\_matrix](#u_terrain_matrix): [UniformMatrix4f](https://docs.maptiler.com/sdk-js/api-reference/classes/Externals.UniformMatrix4f/);  
    [u\_terrain\_unpack](#u_terrain_unpack): [Uniform4f](https://docs.maptiler.com/sdk-js/api-reference/classes/Externals.Uniform4f/);  
}

##### Index

### Properties[](#properties)

[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)

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

u\_depth: [Uniform1i](https://docs.maptiler.com/sdk-js/api-reference/classes/Externals.Uniform1i/)

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

u\_terrain: [Uniform1i](https://docs.maptiler.com/sdk-js/api-reference/classes/Externals.Uniform1i/)

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

u\_terrain\_dim: [Uniform1f](https://docs.maptiler.com/sdk-js/api-reference/classes/Externals.Uniform1f/)

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

u\_terrain\_exaggeration: [Uniform1f](https://docs.maptiler.com/sdk-js/api-reference/classes/Externals.Uniform1f/)

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

u\_terrain\_matrix: [UniformMatrix4f](https://docs.maptiler.com/sdk-js/api-reference/classes/Externals.UniformMatrix4f/)

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

u\_terrain\_unpack: [Uniform4f](https://docs.maptiler.com/sdk-js/api-reference/classes/Externals.Uniform4f/)