Executing SNAP Graphs using CWL and docker

Hey there!

Let me share with the SNAP community a different approach when using SNAP Graphs to process EO data.

This approach is based on the Common Workflow Language (CWL):

The Common Workflow Language (CWL) is an open standard for describing analysis workflows and tools in a way that makes them portable and scalable across a variety of software and hardware environments, from workstations to cluster, cloud, and high performance computing (HPC) environments.

And relies on a container (docker) to run gpt against a set of EO data available on the local computer and a SNAP graph also available locally.

The idea is to rely on:

  • CWL to orchestrate the volume mounts for the EO input data and generated results
  • a docker container to avoid installing SNAP on the local machine

The execution environment could be a VM on the cloud with docker.

There are two examples:

The READMEs provide guidance and Iā€™m happy to support users willing to give a go either here or via GitHub issues


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