---
title: "fromQuat | 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.

# Function fromQuat

-   fromQuat(out: [mat4](https://docs.maptiler.com/sdk-js/api-reference/types/Externals.mat4/), q: [ReadonlyQuat](https://docs.maptiler.com/sdk-js/api-reference/types/Externals.ReadonlyQuat/)): [mat4](https://docs.maptiler.com/sdk-js/api-reference/types/Externals.mat4/)[](#fromquat)
    
    Calculates a 4x4 matrix from the given quaternion
    
    #### Parameters
    
    -   out: [mat4](https://docs.maptiler.com/sdk-js/api-reference/types/Externals.mat4/)
        
        mat4 receiving operation result
        
    -   q: [ReadonlyQuat](https://docs.maptiler.com/sdk-js/api-reference/types/Externals.ReadonlyQuat/)
        
        Quaternion to create matrix from
        
    
    #### Returns [mat4](https://docs.maptiler.com/sdk-js/api-reference/types/Externals.mat4/)
    
    out