GB/T 40142-2021Tactile graphics designing and symbols (English PDF)
触摸图形设计及图例
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
May 21, 2021
Implementation date
May 21, 2021
Scope
GB/T 40142-2021 is the English-translated version of 触摸图形设计及图例.
GB/T 40142-2021 deals with tactile graphics, the raised maps and pictures designed for blind and visually impaired readers, who read them by touch together with Braille.
It defines the basic vocabulary, including tactile graphics, Braille, the Braille cell and the dot, and describes the elements that make up a tactile graphic.
The standard then gives rules for designing tactile graphics, for proofreading them and for the legends that explain their symbols, and an informative annex collects a large set of tactile graphic symbols.
It applies to the design, production and use of tactile graphics. It has no normative references. It was issued on 21 May 2021 and has applied since the same day.
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Document preview — GB/T 40142-2021
National Standard of the People's Republic of China
- ICS
- 01.080.99
- Classification
- A 22
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Touching the elements of graphics
- 5 Touch graphic design
- 6 Touch graphic proofreading
- 7 Touch the graphic legend
- Appendix A (informative) Touch graphic legend
- Reference
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules of Standardization Documents" Drafting.
1 Scope
This document specifies the constituent elements, design, proofreading and legends of touch graphics.
This document is suitable for the design, production and application of touch graphics.
2 Normative references
There are no normative references in this document.
3 Terms and definitions
The following terms and definitions apply to this document.
3.1 Tactile graphics; tactile map; blind picture
A specially designed and made for the visually impaired, according to the actual needs and tactile characteristics of the visually impaired, specially designed concave and convex symbols And Braille system to reveal the spatial distribution and interconnection of objective entities.
Note 1. Touch graphics are mainly used for work, study and daily life of the visually impaired. Through the touchable graphics, the visually impaired can understand the various aspects related to the graphics. Kind of information.
Note 2. Touching the graphics is to obtain the information expressed by the image by touching.
Note 3. Touch graphics convey graphic information through touch symbols that are easy to read and understand.
Note 4. The touch graphic is neither a product directly converted from a printed graphic, nor is it derived from a simple copy of the original image.
Note 5. Touch graphics is an important part of Braille materials in education and professional fields.
Note 6. Only visually impaired persons with picture-reading skills can understand touch patterns.
3.2 Braille
The text is based on the basic structure of six bumps, arranged according to certain rules, and is felt by touch.
3.3 Cell
The rectangular position occupied by a blind symbol.
3.4 Dot
Each raised part that constitutes the blind symbol.
Note: It is the convex point in the blind symbol.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 44 pages — is available in the English PDF.
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