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Outdoor & topo maps

Explore map catalog

Back

Create maps

Design and customize your own maps

Design custom maps Explore data catalog

Back

Build applications

Create powerful apps with our versatile SDK

Interactive maps Visualize your data Mobile SDK Display weather Generate static maps 3D maps

Back

Location services

Powerful map searching and geocoding services

Search & Geocoding Locate IP addresses Transform coordinates

Back

Bring your data

Enrich maps with your own data

Host & process geodata Georeferencing Edit vector data GeoSplats

Back

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Host and serve mapsserver Get map data Process geodataengine

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News Careers About us Open-source Contacts

Pricing Resources

Documentation JavaScript SDK Mobile SDKs API reference YouTube channel Contact support Connect25 Conference

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MapTiler SDK JS

Function len

len(a: ReadonlyVec4): number
Calculates the length of a vec4
Parameters
- a: ReadonlyVec4
  vector to calculate length of
Returns number
length of a

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len