ISO/IEC JTC 1/SC 24 N 2367
ISO/IEC JTC 1/SC 24 WG 8 N 260

Environmental Data Coding Specification

Final Committee 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 (EDCS).

Background	Clauses	Annexes
Foreword	1 Scope	A Relationship to other information coding systems
Introduction	2 Normative references	B Deprecated EDCS dictionary entries
	3 Terms, definitions, symbols and abbreviated terms	C Groups and references for EDCS classifications
	4 Concepts	D Groups and references for EDCS attributes
	5 EDCS classifications	E References for EDCS attribute enumerants
	6 EDCS attributes	F References for the groups in EO GENERAL
	7 EDCS units	G Change and deprecation plan
	8 EDCS organizational schema	H Abbreviations and acronyms used in the construction of labels
	9 EDCS application program interface	I Relationship to ISO/IEC 18023
	10 Registration	J Templates for registration proposals
	11 Conformance	Bibliography
		EDCS dictionary index

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.
Terms, definitions, symbols and abbreviated terms contains the glossary of terminology and a list of acronyms and initialisms.
Concepts specifies the fundamentals of this International Standard.
EDCS classifications defines classifications used to specify environmental data.
EDCS attributes defines attributes used to specify environmental data.
EDCS units specifies how the SI system of units of measure and scale is applied to specify environmental data.
EDCS organizational schema specifies a set of groups that are useful for locating classifications and attributes sharing a common context.
EDCS application program interface is an abstract specification of data types and functions to convert between values given in different units of measure and scales.
Registration specifies requirements for the registration of items conforming to this International Standard.
Conformance specifies 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 specifies those dictionary entries whose use is 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.
References for EDCS attribute enumerants provides 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 specifies how this International Standard and its registered items will evolve.
Abbreviations used in the construction of labels specifies lists of abbreviations used in defining labels.
Relationship to ISO/IEC 18023 describes how this International Standard relates to the Data Representation Model of ISO/IEC 18023-1.
Templates for registration proposals provides a set of forms for submitting new items for registration.

The Bibliography lists informative documents referenced by this International Standard.

The EDCS dictionary index provides quick access to EDCS dictionaries.

http://www.iso.ch/iso/en/ittf/PubliclyAvailableStandards/ISO_IEC_18025_Ed1.html