ISO/IEC JTC 1/SC 24 WG 8 N 0139
Fifth Working Draft ISO/IEC 18025
This document is ISO/IEC 18025, the Environmental Data Coding Specification (EDCS) The full title of this International Standard is: Information technology -- Computer graphics and image processing -- Environmental Data Coding Specification.
The Foreword provides background on the standards process for this International Standard. The Introduction describes the purpose, design criteria, and characteristics of this International Standard. The following clauses define this International Standard:
Scope defines the problem area that this International Standard addresses.
Normative references lists the normative references.
Definitions and acronyms contains the glossary of terminology and a list of acronyms.
Concepts describes various fundamentals of this International Standard.
EDCS classifications defines classes used to describe environmental data.
EDCS attributes defines attributes used to describe environmental data.
EDCS Units specifies how the SI system of units of measure and scale is applied to specify environmental data.
EDCS Organizational Schema defines a set of groups that are useful for locating classifications and attributes with similar meanings.
EDCS Unit Conversions is a abstract specification of data types and functions to convert between values given in different units of measure and scales.
Conformance states requirements for conforming to this International Standard.
There are several annexes included in this International Standard:
Relationship to other information coding systems explains how this International Standard relates to some other information coding systems.
Deprecated EDCS Dictionary Entries defines those entries whose use is now deprecated.
Groups and references for EDCS Classifications provides groups and references for definitions of classifications.
Groups and references for EDCS Attributes provides groups and references for definitions of attributes.
Groups and references for EDCS Attribute Enumerants provides groups and references for definitions of attribute enumerants.
References for groups in the EDCS General Organizational Schema provides references for definitions of groups in the General Organizational Schema.
Change and deprecation plan defines how this International Standard and its registered items will evolve.
Abbreviations used in the construction of labels provides lists of abbreviations and for use in defining new labels.
Relationship to ISO/IEC 18023 describes how this International Standard relates to the Data Representation Model of ISO/IEC 18023-1.
The Bibliography lists informative documents referenced by this International Standard.
