---
title: "ProjectionTypes | 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 ProjectionTypes

ProjectionTypes: "mercator" | "globe" | undefined

The type of projection, `undefined` means it's decided by the style and if the style does not contain any projection info, if falls back to the default Mercator