Information technology — User interface — Gesture-based interfaces across devices and methods — Part 5: Gesture Interface Markup Language (GIML)

This document defines GIML (Gesture Interface Markup Language). The syntax and the structure of GIML are described in this document.

Technologies de l'information — Interface utilisateur — Interfaces fondées sur la gestuelle entre dispositifs et méthodes — Partie 5: Langage de balisage de l'interface gestuelle (GIML)

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Publication Date
08-May-2019
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6060 - International Standard published
Start Date
09-May-2019
Completion Date
09-May-2019
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INTERNATIONAL ISO/IEC
STANDARD 30113-5
First edition
2019-05
Information technology — User
interface — Gesture-based interfaces
across devices and methods —
Part 5:
Gesture Interface Markup Language
(GIML)
Technologies de l'information — Interface utilisateur — Interfaces
fondées sur la gestuelle entre dispositifs et méthodes —
Partie 5: Langage de balisage de l'interface gestuelle (GIML)
Reference number
ISO/IEC 30113-5:2019(E)
ISO/IEC 2019
---------------------- Page: 1 ----------------------
ISO/IEC 30113-5:2019(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO/IEC 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
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Email: copyright@iso.org
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Published in Switzerland
ii © ISO/IEC 2019 – All rights reserved
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ISO/IEC 30113-5:2019(E)
Contents Page

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

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

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

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

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

4 General ............................................................................................................................................................................................................................ 1

5 Syntax and structure ........................................................................................................................................................................................ 2

5.1 General ........................................................................................................................................................................................................... 2

5.2 Elements ....................................................................................................................................................................................................... 2

5.2.1 General...................................................................................................................................................................................... 2

5.2.2 The element .................................................................................................................................................... 2

5.2.3 The element. ............................................................................................................................................. 3

5.2.4 The element ..................................................................................................................................... 3

5.2.5 The element ...................................................................................................................................... 4

5.2.6 The element .......................................................................................................................................... 4

5.2.7 The element ................................................................................................................................................. 5

5.2.8 The element ................................................................................................................................................... 5

5.2.9 The element ............................................................................................................................. 6

5.2.10 The element ........................................................................................................................................ 6

5.2.11 The element................................................................................................................................. 7

5.2.12 The element .................................................................................................................................... 7

5.2.13 The element .................................................................................................................................... 7

5.2.14 The element .................................................................................................................................... 8

5.2.15 The element ................................................................................................................... 8

5.3 Attributes ..................................................................................................................................................................................................... 8

5.3.1 General...................................................................................................................................................................................... 8

5.3.2 The “id” attribute ............................................................................................................................................................. 9

5.3.3 The “name” attribute .................................................................................................................................................... 9

5.3.4 The “desc” attribute ...................................................................................................................................................... 9

5.3.5 The “figure” attribute ................................................................................................................................................10

Annex A (normative) XML schema of GIML ................................................................................................................................................11

Annex B (informative) Examples of GIML .....................................................................................................................................................13

Bibliography .............................................................................................................................................................................................................................17

© ISO/IEC 2019 – All rights reserved iii
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ISO/IEC 30113-5:2019(E)
Foreword

ISO (the International Organization for Standardization) and IEC (the International Electrotechnical

Commission) form the specialized system for worldwide standardization. National bodies that are

members of ISO or IEC participate in the development of International Standards through technical

committees established by the respective organization to deal with particular fields of technical

activity. ISO and IEC technical committees collaborate in fields of mutual interest. Other international

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

work. In the field of information technology, ISO and IEC have established a joint technical committee,

ISO/IEC JTC 1.

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 document 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 and IEC 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.o rg/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 of 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 www. iso

.org/iso/foreword. html.

This document was prepared by Technical Committee ISO/IEC JTC 1, Information technology,

Subcommittee SC 35, User interfaces.
A list of all parts in the ISO/IEC 30113 series can be found on the ISO website.

Any feedback or questions on this document should be directed to the user’s national standards body. A

complete listing of these bodies can be found at www. iso. org/members. html.
iv © ISO/IEC 2019 – All rights reserved
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ISO/IEC 30113-5:2019(E)
Introduction

This document provides definition, syntax, structure and explanation of GIML (Gesture Interface

Markup Language) which is used to formally describe gestures for gesture-based interfaces of ICT

products, systems and services. The gestures are recognized by the gesture software for the gesture-

based interfaces and translated into corresponding gesture commands of the ICT products, systems and

services. Some examples of the gestures are defined in international standards such as ISO/IEC 30113-

1 and ISO/IEC 30113-11.

GIML is defined in terms of XML (Extensible Markup Language) which is a special subset of SGML

(Standard Generalized Markup Language). It is useful in exchanging data in various ICT products and

services and used to describe syntax and features of the standard gestures.
GIML is designed to achieve the following goals:

— The standard gestures are formally and consistently defined in a well-formed format.

— The standard gestures are concretely expressed as both human-readable and machine-readable.

— The information of the standard gestures is exchanged and shared among ICT products, systems

and services.

This document focuses on the syntax and the structure of GIML. The XML schema of GIML is presented

in Annex A. Some examples of GIML are listed in Annex B.
© ISO/IEC 2019 – All rights reserved v
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INTERNATIONAL STANDARD ISO/IEC 30113-5:2019(E)
Information technology — User interface — Gesture-based
interfaces across devices and methods —
Part 5:
Gesture Interface Markup Language(GIML)
1 Scope

This document defines GIML (Gesture Interface Markup Language). The syntax and the structure of

GIML are described in this document.
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/IEC 30113-1, Information technology — User interface — Gesture-based interfaces across devices and

methods — Part 1: Framework

ISO/IEC 30113-11, Information technology — Gesture-based interfaces across devices and methods —

Part 11: Single-point gestures for common system actions
3 Terms and definitions
No terms and definitions are listed in this document.

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
4 General

GIML is used to describe syntax and features of gestures which support interactions between human

users and gesture interfaces of ICT product, systems and services. The gesture interfaces provide

information and controls for the users to accomplish specific tasks as defined in ISO/IEC 30113-1. They

include mice, touch screens, 3D mice, joysticks, game controllers, wired gloves, depth-aware cameras,

stereo cameras, etc.

The gestures of the users are translated into gesture commands for the ICT product, systems and

services. According to ISO/IEC 30113-1, gesture software implements functionalities of the gesture

interfaces including gesture recognition, command processing and feedback generation. Some of the

standard gestures are single-point gestures for common system actions as defined in ISO/IEC 30113-11.

Since GIML is used to describe syntax, structure and schema (as specified in Annex A) of the standard

gestures in a well-formed format, the GIML-based descriptions are used in developing gestures,

gesture interfaces, gesture software, etc. The GIML-based descriptions of the standard gestures can be

understood by human and machines. Also, the description of the standard gestures can be utilized in

exchanging and sharing information about the gestures.
© ISO/IEC 2019 – All rights reserved 1
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ISO/IEC 30113-5:2019(E)
5 Syntax and structure
5.1 General

The syntax and the structure of GIML are defined in this Clause. The GIML elements and the GIML

attributes are defined. The elements are used to define gestures in a formal way. The attribute is used

to present additional and more detailed information of its associated element.
5.2 Elements
5.2.1 General
The GIML element shall be defined using a start tag, an end tag and its content.

A start tag shall be defined as a string which is a concatenation of the symbol “<”, the name of the

element, optional attributes of the element, and the symbol “>”.

An end tag shall be defined as a string which is a concatenation of the symbol “

element, and the symbol “>”. Every element with a start tag should end with an end tag.

The content of the element shall be located between a start tag and an end tag.

A GIML element with no content is termed as an empty element. An empty element can be represented

in two ways as follows:
EXAMPLE 1 A start tag is immediately followed by an end tag.

EXAMPLE 2 A complete empty tag is expressed without an end tag.

The following elements are defined in this document: , , , ,

, , , , , , ,

, , and .
5.2.2 The element

The root element of GIML is annotated as “”. The element holds a single type of a child

element, i.e. the element. The root element, , shall not need any attribute. It shall not

be a child of any other elements.
Annotation GIML
Definition The root element of a GIML document
Children
Attributes None
Occurrence 1
This is the root element
EXAMPLE The root element, , in the example contains the element.



2 © ISO/IEC 2019 – All rights reserved
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ISO/IEC 30113-5:2019(E)
5.2.3 The element.

The element defines a specific gesture and contains one or more children elements, i.e.,

, , , , and .
Annotation gesture
Definition Specific gesture

Children , , , ,

Attributes Required:
"id", "name"
Occurrence 1 or more
in the element

EXAMPLE The “Left” gesture is specified using the element. As defined in ISO/IEC 30113-11, its

name is "Left" and its "id" is "G11-1".


5.2.4 The element

The element explains the characteristics of the gesture. The element shall not have any

child element. It has two attributes: the “desc” attribute and the “figure” attribute.

Annotation description
Definition Explanation of the characteristics of the gesture
Children None
Attributes Required:
"desc"
Optional:
"figure"
Occurrence 1 or more
in the element

EXAMPLE The element is used to explain feature of the “Left” gesture. It is explained in the

“desc” attribute of the element. The term, "POI" in the example, stands for a "point of interest" as

defined in ISO/IEC 30113-11. The "figure" attribute is optional and specifies that the "Left" gesture is illustrated

using a figure in the file named “left.png” as shown in Figure 1.

figure="left.png" />

Figure 1 — "Left" gesture stored in a file named as "left.png"
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ISO/IEC 30113-5:2019(E)
5.2.5 The element

Most standard gestures are naturally performed using a touch screen, a pen, a finger or a hand. There

exist alternative ways to formulate the gestures using a different input device and/or a different

method. A gesture command which is associated with a standard gesture shall be as same as the gesture

command which is associated with the gesture generated by the alternative way. The

element describes the alternative way of performing a gesture using conventional input devices such as

a mouse or a keyboard. The element should contain the element or the element.

Annotation Alternative
Definition Alternative way of generating the gesture using a mouse or a keyboard
Children ,
Attributes None
Occurrence 1 or more
in the element

EXAMPLE The “Left” gesture is alternatively performed using a “left arrow key” of a keyboard.



left arrow key


5.2.6 The element

The element describes an alternative way of creating a standard gesture using a keyboard

which is regarded as a correspondence of the standard gesture.
Annotation Keyboard

Definition Alternative activity of generating the standard gesture using a keyboard

Children None
Attributes None
Occurrence 0 or more
in the element

EXAMPLE The “Up” gesture is alternatively performed by pressing an “up arrow” key of a keyboard.



u
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