---
title: "fromScaling | 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 fromScaling

-   fromScaling(out: [mat2](https://docs.maptiler.com/sdk-js/api-reference/types/Externals.mat2/), v: [ReadonlyVec2](https://docs.maptiler.com/sdk-js/api-reference/types/Externals.ReadonlyVec2/)): [mat2](https://docs.maptiler.com/sdk-js/api-reference/types/Externals.mat2/)[](#fromscaling)
    
    Creates a matrix from a vector scaling This is equivalent to (but much faster than):
    
    ```typescript
    mat2.identity(dest);
    mat2.scale(dest, dest, vec);
    ```
    
    #### Parameters
    
    -   out: [mat2](https://docs.maptiler.com/sdk-js/api-reference/types/Externals.mat2/)
        
        mat2 receiving operation result
        
    -   v: [ReadonlyVec2](https://docs.maptiler.com/sdk-js/api-reference/types/Externals.ReadonlyVec2/)
        
        Scaling vector
        
    
    #### Returns [mat2](https://docs.maptiler.com/sdk-js/api-reference/types/Externals.mat2/)
    
    out