Geographic information - Metadata - Part 2: Extensions for acquisition and processing (ISO 19115-2:2019)

This document extends ISO 19115-1:2014 by defining the schema required for an enhanced description
of the acquisition and processing of geographic information, including imagery. Included are the
properties of measuring systems and the numerical methods and computational procedures used to
derive geographic information from the data acquired by them. This document also provides the XML
encoding for acquisition and processing metadata thereby extending the XML schemas defined in ISO/
TS 19115-3.

Geoinformation - Metadaten - Teil 2: Erweiterungen für Bild- und Rasterdaten (ISO 19115-2:2019)

Information géographique - Métadonnées - Partie 2: Extensions pour l'acquisition et le traitement (ISO 19115-2:2019)

Geografske informacije - Metapodatki - 2. del: Razširitev za zajemanje in obdelavo geografskih informacij (ISO 19115-2:2019)

Ta dokument razširja področje uporabe standarda ISO 19115-1:2014 z opredelitvijo sheme, ki je potrebna za izboljšan opis zajemanja in obdelave geografskih informacij, vključno s posnetki. Vključene so lastnosti merilnih sistemov ter računske metode in postopki, ki se uporabljajo za pridobivanje geografskih informacij iz podatkov, zajetih z merilnimi sistemi. Ta dokument vključuje tudi kodiranje XML za zajemanje in obdelavo metapodatkov, s čimer razširja sheme XML, opredeljene v standardu ISO/TS 19115-3.

General Information

Status
Published
Public Enquiry End Date
30-May-2017
Publication Date
09-Apr-2019
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
26-Mar-2019
Due Date
31-May-2019
Completion Date
10-Apr-2019

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SLOVENSKI STANDARD
SIST EN ISO 19115-2:2019
01-maj-2019
Nadomešča:
SIST EN ISO 19115-2:2010

Geografske informacije - Metapodatki - 2. del: Razširitev za zajemanje in obdelavo

geografskih informacij (ISO 19115-2:2019)

Geographic information - Metadata - Part 2: Extensions for acquisition and processing

(ISO 19115-2:2019)

Geoinformation - Metadaten - Teil 2: Erweiterungen für Bild- und Rasterdaten (ISO

19115-2:2019)

Information géographique - Métadonnées - Partie 2: Extensions pour l'acquisition et le

traitement (ISO 19115-2:2019)
Ta slovenski standard je istoveten z: EN ISO 19115-2:2019
ICS:
07.040 Astronomija. Geodezija. Astronomy. Geodesy.
Geografija Geography
35.240.70 Uporabniške rešitve IT v IT applications in science
znanosti
SIST EN ISO 19115-2:2019 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN ISO 19115-2:2019
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SIST EN ISO 19115-2:2019
EN ISO 19115-2
EUROPEAN STANDARD
NORME EUROPÉENNE
February 2019
EUROPÄISCHE NORM
ICS 35.240.70 Supersedes EN ISO 19115-2:2010
English Version
Geographic information - Metadata - Part 2: Extensions for
acquisition and processing (ISO 19115-2:2019)

Information géographique - Métadonnées - Partie 2: Geoinformation - Metadaten - Teil 2: Erweiterungen

Extensions pour l'acquisition et le traitement (ISO für Erhebung und Verarbeitung (ISO 19115-2:2019)

19115-2:2019)
This European Standard was approved by CEN on 24 February 2018.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this

European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references

concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN

member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by

translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management

Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,

Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,

Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,

Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels

© 2019 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 19115-2:2019 E

worldwide for CEN national Members.
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SIST EN ISO 19115-2:2019
EN ISO 19115-2:2019 (E)
Contents Page

European foreword ....................................................................................................................................................... 3

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SIST EN ISO 19115-2:2019
EN ISO 19115-2:2019 (E)
European foreword

This document (EN ISO 19115-2:2019) has been prepared by Technical Committee ISO/TC 211

"Geographic information/Geomatics" in collaboration with Technical Committee CEN/TC 287

“Geographic Information” the secretariat of which is held by BSI.

This European Standard shall be given the status of a national standard, either by publication of an

identical text or by endorsement, at the latest by August 2019, and conflicting national standards shall

be withdrawn at the latest by August 2019.

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. CEN shall not be held responsible for identifying any or all such patent rights.

This document supersedes EN ISO 19115-2:2010.

According to the CEN-CENELEC Internal Regulations, the national standards organizations of the

following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,

Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia,

France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,

Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,

Turkey and the United Kingdom.
Endorsement notice

The text of ISO 19115-2:2019 has been approved by CEN as EN ISO 19115-2:2019 without any

modification.
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SIST EN ISO 19115-2:2019
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SIST EN ISO 19115-2:2019
INTERNATIONAL ISO
STANDARD 19115-2
Second edition
2019-01
Geographic information —
Metadata —
Part 2:
Extensions for acquisition and
processing
Information géographique — Métadonnées —
Partie 2: Extensions pour l'acquisition et le traitement
Reference number
ISO 19115-2:2019(E)
ISO 2019
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SIST EN ISO 19115-2:2019
ISO 19115-2:2019(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2019

All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may

be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting

on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address

below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2019 – All rights reserved
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SIST EN ISO 19115-2:2019
ISO 19115-2:2019(E)
Contents Page

Foreword ........................................................................................................................................................................................................................................iv

Introduction ..................................................................................................................................................................................................................................v

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ...................................................................................................................................................................................... 1

3 Terms and definitions ..................................................................................................................................................................................... 1

4 Symbols and abbreviated terms ........................................................................................................................................................... 4

4.1 Abbreviated terms ............................................................................................................................................................................... 4

5 Conformance ............................................................................................................................................................................................................. 5

5.1 Conformance requirements ......................................................................................................................................................... 5

5.2 Metadata profiles .................................................................................................................................................................................. 5

6 Acquisition and processing metadata ............................................................................................................................................ 5

6.1 Metadata for acquisition and processing requirements ..................................................................................... 5

6.2 Acquisition and processing metadata packages and dependencies ......................................................... 5

6.3 Acquisition and processing metadata class diagrams by package ............................................................. 6

6.3.1 Introduction ......................................................................................................................................................................... 6

6.3.2 Acquisition Information ............................................................................................................................................ 7

6.3.3 Extended Lineage information .........................................................................................................................10

6.3.4 Extended spatial representation information — Geolocation information ...............11

6.3.5 Extended Content information — Imagery ...........................................................................................13

Annex A (normative) Conformance ....................................................................................................................................................................15

Annex B (normative) Acquisition and processing metadata data dictionary .........................................................18

Annex C (informative) XML schema implementation ......................................................................................................................56

Bibliography .............................................................................................................................................................................................................................57

© ISO 2019 – All rights reserved iii
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SIST EN ISO 19115-2:2019
ISO 19115-2:2019(E)
Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national standards

bodies (ISO member bodies). The work of preparing International Standards is normally carried out

through ISO technical committees. Each member body interested in a subject for which a technical

committee has been established has the right to be represented on that committee. International

organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.

ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of

electrotechnical standardization.

The procedures used to develop this document and those intended for its further maintenance are

described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the

different types of ISO documents should be noted. This document was drafted in accordance with the

editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/directives).

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of

any patent rights identified during the development of the document will be in the Introduction and/or

on the ISO list of patent declarations received (see www .iso .org/patents).

Any trade name used in this document is information given for the convenience of users and does not

constitute an endorsement.

For an explanation on the voluntary nature of standards, the meaning of ISO specific terms and

expressions related to conformity assessment, as well as information about ISO's adherence to the

World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following

URL: www .iso .org/iso/foreword .html.
This document was prepared by ISO/TC 211, Geographic information/Geomatics.

This second edition cancels and replaces the first edition (ISO 19115-2:2009), which has been technically

revised.

The following is a summary of major changes to this document during the revision process:

— The name and scope were changed to better describe the purpose of the document;

— QE_CoverageResult and QE_Useability were moved to ISO 19157;
— All extended classes now extend ISO 19115-1:2014;

— Whereas the XML Schema encoding for ISO 19115-2:2009 was provided in ISO/TS 19139-2; the link

and information about the XML schema for this revision is provided in Annex C of this document;

— A specified class of MI_Instrument – MI_Sensor was defined. A list of all the parts in the ISO 19115

series, can be found on the ISO website.
iv © ISO 2019 – All rights reserved
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SIST EN ISO 19115-2:2019
ISO 19115-2:2019(E)
Introduction

This document replaces the previous edition (ISO 19115-2:2009) Geographic information — Metadata

— Extension for imagery and gridded data, which focused on metadata for imagery and gridded data

as they are important information sources and products used within a geospatial environment by

geographic information systems. During the revision process it was noted that this metadata applied

to the acquisition and processing of geographic information from all sources not just imagery and

gridded data. Hence, the new title Geographic information — Metadata — Extensions for acquisition and

processing. The production of all geographic information, including imagery and gridded data, follows

one or more process chains that begins with remote sensing data, scanned maps, field data collection

or other sensing methods and ends with the creation of the end data products. The production process

needs to be documented to maintain quality control over the end products. In addition, metadata about

the geometry of the measuring process and the properties of the measuring equipment need to be

retained with the raw data to support the production process.

The object of this document is to provide the additional structure needed to more extensively describe

the acquisition and processing of geographic information from all sources. This structure is intended

to augment ISO 19115-1. This document also provides an XML schema for implementing this document

using ISO/TS 19115-3.
© ISO 2019 – All rights reserved v
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SIST EN ISO 19115-2:2019
INTERNATIONAL STANDARD ISO 19115-2:2019(E)
Geographic information — Metadata —
Part 2:
Extensions for acquisition and processing
1 Scope

This document extends ISO 19115-1:2014 by defining the schema required for an enhanced description

of the acquisition and processing of geographic information, including imagery. Included are the

properties of measuring systems and the numerical methods and computational procedures used to

derive geographic information from the data acquired by them. This document also provides the XML

encoding for acquisition and processing metadata thereby extending the XML schemas defined in ISO/

TS 19115-3.
2 Normative references

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements of this document. For dated references, only the edition cited applies. For

undated references, the latest edition of the referenced document (including any amendments) applies.

ISO 19103:2015, Geographic information — Conceptual schema language
ISO 19115-1:2014, Geographic information — Metadata — Part 1: Fundamentals
ISO 19157:2013, Geographic information — Data quality

ISO/IEC 19501:2005, Information technology — Open Distributed Processing — Unified Modeling

Language (UML) Version 1.4.2
3 Terms and definitions

For the purposes of this document, the terms and definitions given in ISO 19115-1:2014 and the

following apply.

ISO and IEC maintain terminological databases for use in standardization at the following addresses:

— IEC Electropedia: available at https: //www .electropedia .org/
— ISO Online browsing platform: available at https: //www .iso .org/obp
3.1
attribute
named property of an entity

Note 1 to entry: Describes a geometrical, topological, thematic, or other characteristic of an entity.

[SOURCE: ISO/IEC 2382:2015, 2121440, modified — Note 1 to entry replaces Notes 1 and 2 to entry.]

3.2
band

range of wavelengths of electromagnetic radiation that produce a single response by a sensing device

[SOURCE: ISO/TS 19101-2:2008, 4.1]
© ISO 2019 – All rights reserved 1
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ISO 19115-2:2019(E)
3.3
class

description of a set of objects that share the same attributes (3.1), operations, methods, relationships,

and semantics
[SOURCE: ISO 19103:2015, 4.7]
3.4
coverage

feature that acts as a function to return values (3.29) from its range for any direct position within its

spatial, temporal or spatiotemporal domain (3.8)
EXAMPLE Raster image (3.18), polygon overlay, or digital elevation matrix.
[SOURCE: ISO 19123:2005, 4.1.7, modified — NOTE deleted.]
3.5
data type

specification of a value domain (3.30) with operations allowed on values (3.29) in this domain (3.8)

[SOURCE: ISO 19103:2015, 4.14, modified — EXAMPLE and Note 1 to entry deleted.]
3.6
dataset
identifiable collection of data
[SOURCE: ISO 19115-1:2014, 4.3, modified — Note 1 to entry deleted.]
3.7
dataset series
collection of datasets (3.6) sharing common characteristics
[SOURCE: ISO 19115-1:2014, 4.4]
3.8
domain
well-defined set
[SOURCE: ISO 19109:2015, 4.8, modified — Note 1 to entry deleted.]
3.9
event
action which occurs at an instant
[SOURCE: ISO 19108:2002, 4.1.6]
3.10
geolocation information

information used to determine geographic location corresponding to image (3.18) location

3.11
georectified
corrected for positional displacement with respect to the surface of the Earth
3.12
georeferencing

geopositioning an object using a Correspondence Model derived from a set of points for which both

ground and image (3.18) coordinates are known
[SOURCE: ISO/TS 19130:2010, 4.37]
2 © ISO 2019 – All rights reserved
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SIST EN ISO 19115-2:2019
ISO 19115-2:2019(E)
3.13
grid

network composed of two or more sets of curves in which the members of each set intersect the

members of the other sets in an algorithmic way
Note 1 to entry: The curves partition a space into grid cells.
[SOURCE: ISO 19123:2005, 4.1.23]
3.14
grid coordinate system

coordinate system in which a position is specified relative to the intersection of curves

3.15
grid coordinates

sequence of two or more numbers specifying a position with respect to its location on a grid (3.13)

3.16
gridded data

data whose attribute (3.1) values (3.29) are associated with positions on a grid coordinate system (3.14)

3.17
ground control point
point on the earth that has an accurately known geographic position
3.18
image

gridded coverage (3.4) whose attribute (3.1) values (3.29) are a numerical representation of a physical

parameter

Note 1 to entry: The physical parameters are the result of measurement by a sensor (3.27) or a prediction from

a model.
3.19
imagery

representation of phenomena as images (3.18) produced by electronic and/or optical techniques

Note 1 to entry: In this document, it is assumed that the objects and phenomena have been sensed or detected by

radar, cameras, photometers, and infrared and multispectral scanners, or similar devices.

[SOURCE: ISO 19101-2:2008, 4.14]
3.20
metadata
information about a resource
[SOURCE: ISO 19115-1:2014, 4.10]
3.21
pass

single instance of a remote, mobile measuring system going by a target of interest

Note 1 to entry: In this document, the measuring system will usually be a remote sensing (3.25) platform (3.23).

In a navigation context, the measuring system might be a GPS satellite.
3.22
pixel

smallest element of a digital image (3.18) to which attributes (3.1) are assigned

Note 1 to entry: It is the smallest unit of display for a visible image.

[SOURCE: ISO/TS 19101-2:2008, 4.28, modified — Note 1 to entry replaces NOTES 1 and 2.]

© ISO 2019 – All rights reserved 3
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3.23
platform
structure which supports a sensor (3.27) or sensors
3.24
polarization
restricting radiation, especially light, vibrations to a single plane
3.25
remote sensing

collection and interpretation of information about an object without being in physical contact with

the object
[SOURCE: ISO/TS 19101-2:2008, 4.33]
3.26
resolution (of a sensor)

smallest difference between indications of a sensor (3.27) that can be meaningfully distinguished

Note 1 to entry: For imagery (3.19), resolution refers to radiometric, spectral, spatial and temporal resolutions.

[SOURCE: ISO/TS 19101-2:2008, 4.34]
3.27
sensor

element of a measuring system that is directly affected by a phenomenon, body, or substance carrying a

quantity to be measured
[SOURCE: ISO/IEC Guide 99:2007, 3.8, modified — EXAMPLES and NOTE deleted.]
3.28
spectral width
specific wavelength interval within the electromagnetic spectrum

EXAMPLE Band (3.2) 1 of Landsat TM lies between 0,45 μm and 0,52 μm in the visible part of the spectrum.

3.29
value
element of a type domain (3.8)
[SOURCE: ISO/IEC 19501:2005, 0000_5]
3.30
value domain
set of accepted values (3.29)

EXAMPLE The range 3-28, all integers, any ASCII character, enumeration of all accepted values (green,

blue, white).
[SOURCE: ISO 19103:2015, 4.37]
4 Symbols and abbreviated terms
4.1 Abbreviated terms
IDL Interface Definition Language
OCL Object Constraint Language
UML Unified Modelling Language
4 © ISO 2019 – All rights reserved
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ISO 19115-2:2019(E)
5 Conformance
5.1 Conformance requirements

Metadata shall be provided as specified in Clause 6 and Annex B of this document and ISO 19115-1:2014,

Clause 6 and Annex B.

User-defined metadata extensions to this document shall be defined and provided as specified in

ISO 19115-1:2014, Annex C.

Any metadata claiming conformance with this document shall pass the requirements described in

Annex A of this document and the abstract test suite presented in ISO 19115-1:2014, Annex A.

5.2 Metadata profiles

Any profile conforming to this document shall conform to the rules for creating a profile given in

ISO 19115-1:2014, C.6.
6 Acquisition and processing metadata
6.1 Metadata for acquisition and processing requirements

ISO 19115-1 identifies the metadata required to describe digital geographic resources. This document

extends the metadata identified in ISO 19115-1 and identifies additional metadata required to describe

the acquisition and processing of geographic resources.
6.2 Acquisition and processing metadata packages and dependencies

The ISO geographic information series of standards are defined using one or more UML packages and

are maintained in a single integrated UML model. This document utilizes and extends concepts defined

in several of these other standards’ packages. Figure 1 illustrates the UML packages upon which

this document is dependent. Dependencies between packages not defined in this document are not

displayed. Metadata for acquisition and processing are defined and provided by one or more packages;

each package provides a separate component of metadata information. There are four packages that

are used to define and provide the metadata that is defined in this document: Acquisition information,

Extended lineage information, Extended spatial representation information, and Extended content

information.
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ISO 19115-2:2019(E)
Figure 1 — Metadata packages
6.3 Acquisition and processing metadata class diagrams by package
6.3.1 Introduction

Metadata are composed of one or more metadata packages containing one or more metadata classes

containing attributes. The relationships between metadata packages and between metadata classes

are specified by composition and aggregation relationship symbols. Class attributes and relationships

are referred to collectively as metadata elements. The diagrams in 6.3.2 through 6.3.5 provide “views”,

which are portions of the total abstract model for metadata. Each diagram defines a metadata UML

package of related classes, elements, data types, and code lists. Related external classes are shown

with attributes relevant for this document and the package where they are fully specified identified

by the package name proceeding a double colon (::). In some cases, this package may be from another

standard identified by a labelled boxed outline. Since the classes in ISO 19115-1 being extended

cannot be modified the class being modified is redefined in this document using a similar name. To

differentiate between ISO 19115-1 and entities of this document, this part uses different prefixes.

The prefixes used are MI (to denote an extended MD class), LE (LI extended) and CE (CI_Extended).

6 © ISO 2019 – All rights reserved
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SIST EN ISO 19115-2:2019
ISO 19115-2:2019(E)

The classes from ISO 19115-1, being extended, are contained in a box labelled as such. The metadata

are fully specified by the UML model diagrams and an associated data dictionary for each package in

Annex B. Abstract classes (which are classes that are defined for schematic organization purposes, i.e.

only their subclasses are implemented) are identified with their names in italic. Codelists and their

values provided in this document are normative. User extensions to codelists shall follow the rules as

described in ISO 19115-1:2014, Annex C.

NOTE In some cases, optional classes can have mandatory elements; those elements become mandatory

only if the optional element is used.
6.3.2 Acquisition Information
6.3.2.1 Acquisition overview

This package extends MD_Metadata in ISO 19115-1 and provides details specific to the acquisition of

geospatial data using imagery, sensors, and other acquisition methods. MI_AcquisitionInformation is

an aggregate of the following entities:

— MI_Instrument, designations of the measuring instruments used to acquire the data;

— MI_Sensor, a specific type of MI_Instrument;

— MI_Operation, designations of the overall data gathering program to which the data contribute;

— MI_Platform, designations of the platform from which the data were taken;

— MI_InstrumentEventList, which lists events affecting MI_Platform and MI_Instrument;

— MI_InstrumentEvent which identifies events affecting MI_Platform and MI_Instrument;

— MI_Revision which identifies the revision history of events;

— MI_Objective, the characteristics and geometry of the intended object to be observed;

— MI_Requirement, the user requirements used to derive the acquisition plan;
— MI_Plan, the acquisition plan that was implemented to acquire the data.

Two additional classes are required to provide information on the acquisition of the data. These are:

— MI_Event, describes a significant event that occurred during data acquisition. An event can be

associated with an operation, objective, or platform pass, and

— MI_PlatformPass, identifies a particular pass made by the platform during data acquisition.

A platform pass is used to provide supporting identifying information for an event and for data

acquisition of a particular objective.

Figure 2 defines an overview of the metadata classes required to define the acquisition of data. The

data dictionary for this diagram is provided in B.2.1.
© ISO 2019 – All rights reserved 7
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SIST EN ISO 19115-2:2019
ISO 19115-2:2019(E)
Figure 2 — Acquisition Overview
6.3.2.2 Acquisition Details

Figure 3 defines, in additional detail, the metadata classes necessary to define the acquisition of data.

The data dictionary for this diagram is provided in B.2.1.
8 © ISO 2019 – All rights reserved
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SIST EN ISO 19115-2:2019
ISO 19115-2:2019(E)
Figure 3 — Acquisition Details
© ISO 2019 – All rights reserved 9
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ISO 19115-2:2019(E)
6.3.3 Extended Lineage information

This package extends Lineage information (LI_Lineage) defined in ISO 19115-1; it supports the

provision of additional information about the sources and production processes used in producing

geospatial data.

— LE_ProcessStep is a specified subclass of LI_ProcessStep and contains additional information on

the history of the algorithms used and processing performed to produce the data. LE_ProcessStep

aggregates the following entities:

— LE_Processing, describes the procedure (such as software used, parameters, and processing

documentation) by which the algorithm is applied to generate the data from the source data.

LE_Processing aggregates LE_Algorithm, which describes the methodology used to derive the

data from the source data and LE_Proces
...

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