lambda-tiler

AWS Lambda + rio-tiler to serve tiles from any web hosted files

An online service is available for anyone to use with Cloud Optimized GeoTIFF's

Sample Bounds Request:

https://bstlgagxwg.execute-api.us-east-1.amazonaws.com/production/bounds?url=http://oin-hotosm.s3.amazonaws.com/593ee29de407d7001138613d/0/d42dec6e-3682-4d49-8d01-5755483671eb.tif

Sample Tile Request:

https://bstlgagxwg.execute-api.us-east-1.amazonaws.com/production/tiles/21/1087689/1046434.png?url=http://oin-hotosm.s3.amazonaws.com/593ee29de407d7001138613d/0/d42dec6e-3682-4d49-8d01-5755483671eb.tif

Info

---

Installation

Requirement

• AWS Account
• Docker
• node + npm

Create the package

# Build Amazon linux AMI docker container + Install Python modules + create package
git clone https://github.com/vincentsarago/lambda-tiler.git
cd lambda-tiler/
make all

Deploy to AWS

#configure serverless (https://serverless.com/framework/docs/providers/aws/guide/credentials/)
npm install
sls deploy

Endpoint

/bounds

Inputs:

• url: any valid url

example:

$ curl {you-endpoint}/bounds?url=https://any-file.on/the-internet.tif

  {"url": "https://any-file.on/the-internet.tif", "bounds": [90.47546096087822, 23.803014490532913, 90.48441996322644, 23.80577697976369]}

/tiles/z/x/y.png

Inputs:

• url: any valid url

Options:

• rgb: select bands indexes to return (e.g: (1,2,3), (4,1,2))
• nodata: nodata value to create mask
• linearStretch: boolean field. This field will linearly stretch the tile for resizing to (1,255) example:

$ curl {you-endpoint}/tiles/7/10/10.png?url=https://any-file.on/the-internet.tif