---
title: "fromMat3 | 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 fromMat3

-   fromMat3(out: [quat](https://docs.maptiler.com/sdk-js/api-reference/types/Externals.quat/), m: [ReadonlyMat3](https://docs.maptiler.com/sdk-js/api-reference/types/Externals.ReadonlyMat3/)): [quat](https://docs.maptiler.com/sdk-js/api-reference/types/Externals.quat/)[](#frommat3)
    
    Creates a quaternion from the given 3x3 rotation matrix.
    
    NOTE: The resultant quaternion is not normalized, so you should be sure to renormalize the quaternion yourself where necessary.
    
    #### Parameters
    
    -   out: [quat](https://docs.maptiler.com/sdk-js/api-reference/types/Externals.quat/)
        
        the receiving quaternion
        
    -   m: [ReadonlyMat3](https://docs.maptiler.com/sdk-js/api-reference/types/Externals.ReadonlyMat3/)
        
        rotation matrix
        
    
    #### Returns [quat](https://docs.maptiler.com/sdk-js/api-reference/types/Externals.quat/)
    
    out
    
    #### Function[](#function)