The SEDRIS Data Representation Model
APPENDIX A - Classes
M Surface Location

Class Name: M Surface Location

Superclass - <Location Surface>

Subclasses

This DRM class is concrete and has no subclasses.

Definition

An instance of this DRM class specifies a surface coordinate for an SRF based on the Mercator SRFT.

See 8.5.19 Mercator SRFT of 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. An SRF derived from the Mercator SRFT is used by the modelling and simulation community to represent METOC environmental data.

  2. Many navigational maps are based on SRFs derived from the Mercator SRFT.

FAQs

Where can users obtain further information on M?

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_Map_Projection_Surface_Coordinate coordinate; 1

Notes

Fields Notes

coordinate

The coordinate field specifies the set of coordinate-component values.


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Last updated: July 26, 2006 Copyright © 2006 SEDRIS