---
title: "SpatialReferenceSystem | Weather SDK | JavaScript maps SDK"
description: "Documentation for Weather JS"
---

> For AI agents: a documentation index is available at [/llms.txt](https://docs-qmgv.pages.dev/llms.txt). Markdown versions of all pages are available by appending .md to any URL.

# Type Alias SpatialReferenceSystem

type SpatialReferenceSystem \= {  
    [auth\_name](#auth_name): string;  
    [auth\_srid](#auth_srid): string;  
    [wkt](#wkt): string;  
}

##### Index

### Properties

[auth\_name](#auth_name) [auth\_srid](#auth_srid) [wkt](#wkt)

## Properties

### auth\_name[](#auth_name)

auth\_name: string

Name of the defining authority, eg. `"EPSG"`

### auth\_srid[](#auth_srid)

auth\_srid: string

ID given by the defining authority, eg. `"3587"`

### wkt[](#wkt)

wkt: string

"Well Known Text" to describe the current spatial reference system (aka. CRS)