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Welcome to the evo-odas wiki!

Links to the internal documentation

• Ingestion documentation on google doc this document contains most of the technical information required to the development of the ingestion system.

  • Most relevant python libraries used and examples
  • Details about the data formats for Sentinel 1 & 2
  • Explanation about some of the technical choices

• Sentinel1 ingestion flow diagram this diagram shows the various steps of the Sentinel1 Ingestion flow, here is the related chapter on the ingestion document

• Workflow engine comparison This document contains a comparison among several workflow engines.

We first decided to choose Airflow comparing it at the last decisional step with mistral . Then a new product called Apache NiFi entered in the radar after a presentation at an OGC event it's written in java and we were mostly focused on searching for python products. The final decision is still pending.

• Airflow Deploy diagram This deployment diagram shows the architecture of the Airflow environment.

Sentinel 1 and 2 important resources

• Sentinel1

  • official ESA website of the mission
  • Product description for sentinel 1 radar data

  The objective of this project regarding Sentinel1 data is to ingest data of level1 both SLC and GRD products

• Sentinel2

  • official ESA website of the mission
  • Product description for sentinel 2 optical data

  The objective of this project regarding Sentinel2 data is to ingest data from level-1C