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ESIP Winter Meeting: Dynamic Tiling for everyone

January 28, 2021

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  • Former geologist
  • Geospatial developer
  • Self taught Python dev
  • Full stack

Vincent Sarago

vincentsarago

@_VincentS_ / @cogeotiff / @remotepixel

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Dynamic What ?

https://developmentseed.org/titiler/concepts/dynamic_tiling/

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Dynamic What ?

COGs

https://github.com/developmentseed/mosaicjson-spec/

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  • Cloud Optimized GeoTIFF support

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  • SpatioTemporal Asset Catalog support

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  • Mosaic support (via MosaicJSON)

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  • OGC WMTS support

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  • Multiple TileMatrixSets via morecantile. By default, output map tiles are in the standard Web Mercator projection used by most mapping libraries, but support for alternative projections is available.

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  • AWS Lambda / ECS deployment options

TiTiler

developmentseed/titiler

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A wrapper around rio-tiler

cogeotiff/rio-tiler

ref: https://github.com/cogeotiff/rio-tiler

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  • Fast: Very high performance, on par with NodeJS and Go (thanks to Starlette and Pydantic). One of the fastest Python frameworks available.
  • Fast to code: Increase the speed to develop features by about 200% to 300%. *
  • Fewer bugs: Reduce about 40% of human (developer) induced errors. *
  • Intuitive: Great editor support. Completion everywhere. Less time debugging.
  • Easy: Designed to be easy to use and learn. Less time reading docs.
  • Short: Minimize code duplication. Multiple features from each parameter declaration. Fewer bugs.
  • Robust: Get production-ready code. With automatic interactive documentation.
  • Standards-based: Based on (and fully compatible with) the open standards for APIs: OpenAPI (previously known as Swagger) and JSON Schema.

Built with FastAPI

tiangolo/fastapi

ref: https://github.com/tiangolo/fastapi

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Install and Use

$ pip install titiler uvicorn

$ uvicorn titiler.main:app --reload

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Demo

COG

https://www.digitalglobe.com/ecosystem/open-data

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Example:

https://opendata.digitalglobe.com/events/beirut-explosion/post-event/2020-08-05/102001009BCC9D00/102001009BCC9D00.tif

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https://opendata.digitalglobe.com/events/hurricane-laura/post-event/2020-08-27/10300100ADB4FD00/10300100ADB4FD00.tif

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https://opendata.digitalglobe.com/events/mauritius-oil-spill/post-event/2020-08-12/105001001F1B5B00/105001001F1B5B00.tif

https://api.cogeo.xyz/cog/docs

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Demo

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STAC

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https://stacindex.org

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Example:

https://canada-spot-ortho.s3.amazonaws.com/canada_spot_orthoimages/canada_spot5_orthoimages/S5_2007/S5_11055_6057_20070622/S5_11055_6057_20070622.json

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https://api.cogeo.xyz/stac/docs

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Customization

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Thanks

Vincent Sarago - @_VincentS_ / @cogeotiff

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