Earth-Based Telescope Local Data Dictionary (LDD)

The Earth-Based Telescope dictionary provides observing parameters, provenance, and geometry relevant to ground-based telescopes on Earth and for Earth-orbiting (or Lagrange point) telescopes.

LDD Steward: SBN Node

Releases

• Stable Release (the latest released LDDs) - https://pds.nasa.gov/datastandards/dictionaries/
• Unstable Release (the latest working, unstable build) - See the build/development

Documentation

• User Guide: TBD
• Other PDS Data Dictionaries Documentation: https://pds-data-dictionaries.github.io/

Propose Updates

See the LDD Update Process

Implement

To implement changes the LDD, simply update the IngestLDD under the src/ directory, commit to a branch, push the branch to Github, and create a Pull Request. The Github Action CI/CD will take care of the auto-generation of the schemas and schematrons.

For more information see the LDD Build Process

Notes

Each build is auto-generated using Github Actions, PDS4 LDDTool, and Validate Tool.

You can manually run LDDTool on the IngestLDD using the following command:

lddtool -lpsnJ MY_IngestLDD.xml

Contribute

Have a bug or feature request? Create one in the PDS4 Issue Repo.

Support

See the PDS Data Dictionaries Support page for more Support information.