The SEDRIS Data Representation Model
APPENDIX A - Classes
SM 3D Location

Class Name: SM 3D Location

Superclass - <Location 3D>

Subclasses

This DRM class is concrete and has no subclasses.

Definition

An instance of this DRM class specifies a coordinate for an SRF based on the Solar Magnetic Dipole SRFT.

See ISO/IEC 18026 for a complete definition.

Primary Page in DRM Diagram:

Secondary Pages in DRM Diagram:

This class appears on only one page of the DRM class diagram.

Example

  1. SMD is a convenient SRF for ordering data controlled more strongly by the Earth's dipole field than by solar wind. It is used for representing magnetopause cross-sections and magnetospheric magnetic fields.

FAQs

Is SMD inertial?

SMD is quasi-inertial in that it rotates with both a yearly and daily period.

Where can users obtain further information on SMD?

See the SRM for additional details.

Constraints

Component of (two-way) (inherited)

Inherited Field Elements

This class has no inherited field elements.

Field Elements

SRM_Spherical_3D_Coordinate coordinate; (notes)

Notes

Fields Notes

coordinate

The coordinate field specifies the set of coordinate component values.


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Last updated: August 23, 2005 Copyright © 2005 SEDRIS