Size of Letters Required for Visibility as a Function of Viewing Distance and Observer Visual Acuity - Softcover

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9781527841406: Size of Letters Required for Visibility as a Function of Viewing Distance and Observer Visual Acuity

Softcover

ISBN 10: 1527841405 ISBN 13: 9781527841406

Publisher: Forgotten Books, 2024

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This book explores the crucial link between letter size and visibility in signage, providing practical guidance for designers and specifiers. Drawing on a wealth of empirical research, the author presents a simple formula that determines the optimal letter size for any given viewing distance and observer visual acuity. The formula is based on the assumption that beyond a few meters, a person's visual acuity is primarily determined by the visual angle subtended by an object. By incorporating allowances for variations in contrast and background luminance, the book equips readers with the tools to compensate for non-standard conditions. The author emphasizes that letter size should not be a one-size-fits-all approach but rather customized to accommodate different viewing distances and individual visual abilities. Proper consideration of these factors ensures effective communication and safety, particularly in situations where signs convey critical information or warnings.

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Publisher: Forgotten Books
Publication date: 2024
Language: English
ISBN 10: 1527841405
ISBN 13: 9781527841406
Binding: Paperback
Number of pages: 78

Other Popular Editions of the Same Title

9780265803226: Size of Letters Required for Visibility as a Function of Viewing Distance and Observer Visual Acuity (Classic Reprint)

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ISBN 10: 0265803225 ISBN 13: 9780265803226
Publisher: Forgotten Books, 2018
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Size of Letters Required for Visibility as a Function of Viewing Distance and

Gerald L. Howett

Published by Forgotten Books, 2024

ISBN 10: 1527841405 ISBN 13: 9781527841406

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Seller: Forgotten Books, London, United Kingdom

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Paperback. Condition: New. Print on Demand. This book explores the crucial link between letter size and visibility in signage, providing practical guidance for designers and specifiers. Drawing on a wealth of empirical research, the author presents a simple formula that determines the optimal letter size for any given viewing distance and observer visual acuity. The formula is based on the assumption that beyond a few meters, a person's visual acuity is primarily determined by the visual angle subtended by an object. By incorporating allowances for variations in contrast and background luminance, the book equips readers with the tools to compensate for non-standard conditions. The author emphasizes that letter size should not be a one-size-fits-all approach but rather customized to accommodate different viewing distances and individual visual abilities. Proper consideration of these factors ensures effective communication and safety, particularly in situations where signs convey critical information or warnings. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Seller Inventory # 9781527841406_0

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