PDS4 Local Data Dictionaries (LDDs)ΒΆ
The NASA Planetary Data System PDS4 Data Dictionaries Repo is used for managing PDS4 Local Data Dictionaries (LDDs) for the PDS4 Information Model. LDDs are a critical component of the PDS4 Data Standard.
This website is intended to provide a how-to for to developing, managing, and using PDS Local Data Dictionaries.
- LDD Creation Process
- LDD Update Process
- LDD How-To Guides
- Trigger LDD Build
- Generate a Discipline LDD
- Generate a Mission LDD
- Generate a LDD with a specific PDS4 Version
- Specify Enumerated Values for Attributes within Inherited Classes
- Schematron (DD_Rule) Help
- Using Schematron
value-of
functionality - Mission LDD Namespace Formation Guidelines
- Basics For Creating an Ingest LDD
- Reviewing a Pull Request
- Merging an Approved Pull Request
- Generate Human Readable Versions of the LDD
- Use Multiple Files to Define a Single Namespace
- Merge A New Release Branch Into My Current Working Branch
- How to Change PDS4 Build Versions
- TBD
- LDD Build Process
- LDD Release Process
- Mission LDD Processes