IMAS Data Dictionary documentation

Contents
Contents
- Introduction
- Glossary
  Glossary
  - Data types
  - Coordinates and time handling
  - Units Units
    Table of contents
    
    Dimensionless units
    
    Use case dependent units
  - Quantities with error bars
  - Non-backwards compatible changes
  - Identifiers
  - Coordinate conventions
- IDS migration guide
Advanced search
Advanced search
- Query tool
Data dictionary reference
Data dictionary reference
GGD guide
GGD guide
- Introduction to the GGD structure
- Examples
Developer documentation
Developer documentation
- DD developer documentation

Units¶

The Data Dictionary specifies units for floating point and complex data nodes. On the reference pages, units are indicated between square brackets.

Dimensionless units¶

Dimensionless quantities have 1 indicated as their unit.

Use case dependent units¶

Some quantities have use case dependent units, for example controllers/linear_controller/pid/p. The units for these quantities are indicated as mixed.