GB/T 41468-2022 English PDF

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GB/T 41468-2022: Graphic technology - Prepress data exchange - Tone adjustment curves exchange
Status: Valid

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Basic data

Standard ID: GB/T 41468-2022 (GB/T41468-2022)
Description (Translated English): Graphic technology - Prepress data exchange - Tone adjustment curves exchange
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: A17
Word Count Estimation: 14,130
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 41468-2022: Graphic technology - Prepress data exchange - Tone adjustment curves exchange

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Graphic technology -- Prepress data exchange -- Tone adjustment curves exchange ICS 37.100.01 CCSA17 National Standards of People's Republic of China Printing technology prepress data exchange Tone adjustment curve (ISO 18620.2016, IDT) Published on 2022-04-15 2022-11-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration directory Preface III Introduction IV 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Symbols and Abbreviations 1 4.1 Text style 1 4.2 Data Type 1 5 Requirements 1 5.1 XML namespaces 1 5.2 File Structure 2 5.2.1 Overview 2 5.2.2 TransferCurveSet Element 2 5.2.4 PrintingCondition element 3 5.2.5 TransferCurve Element 3 5.3 Interpretation of TransferCurve 4 5.4 Example 4 5.4.1 Example 1 4 5.4.2 Example 2 5 Appendix A (Informative) Framework 7 Reference 9

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" drafted. This document is equivalent to ISO 18620.2016 "Tonal Adjustment Curve for Prepress Data Exchange in Printing Technology". Please note that some content of this document may be patented. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed and managed by the National Printing Standardization Technical Committee (SAC/TC170). This document is drafted by. Dongguan Vocational and Technical College, Shenzhen Yutong Packaging Technology Co., Ltd., China Commercial Joint Printing (Guangzhou) East) Co., Ltd., Huaxin (Foshan) Color Printing Co., Ltd., Shenzhen Vocational and Technical College, Golden Eagle (Fujian) Printing Co., Ltd., Xi'an Xizheng Printing Co., Ltd., Shenzhen Printing Industry Association, Beijing Printing Group Co., Ltd., Hongbo Co., Ltd., Beijing Shengtong Printing Co., Ltd. Co., Ltd., Beijing Shangtang Printing and Packaging Co., Ltd., Beijing Hualian Printing Co., Ltd., Shandong Wanwei Printing Co., Ltd., Hangzhou Electronics Co., Ltd. Technical University, Printing Industry (Qingdao) Internet Technology Co., Ltd., South China University of Technology. The main drafters of this document. Li Xiaodong, Zhang Xuliang, Chen Chen, Wang Xiaochun, Chen Qiusheng, Zhang Chunhua, Wang Lijie, Yang Guoqiang, Yan Tingting, Zhang Yongdong, Li Shikai, Li Honglei, Yang Yong, Liao Zhenli, Wang Xudong, Liu Depeng, Wang Qiang, Dai Junping, Zhang Yanfen, Chen Xiulan, Zhao Gang, Wu Li, Xu Xiangyang, Chen Qisha, Gong Xiuduan, Guo Rui, Zhong Wei, Yang Bo, Wang Lifen, Liu Zhihong, Wang Xuhong, Li Wei, Xie Yulin, He Wenqiong, Liu Xia, Liu Haoxue.

Introduction

The purpose of this document is to define a simple format to enable application of intertone adjustment curves (also known as transfer functions and platemaking curves) data Exchange, these applications include but are not limited to color management, calibration and raster image processor systems. In many cases, it is beneficial to provide the plates with calibration data in a standard format to ensure easy and accurate data exchange. In printing technology, all raster image processor suppliers provide support for plate calibration and tone curve adjustment for digital printing presses, so The data used is essentially the same, but each vendor uses a proprietary format. As a result, companies that provide tools to support print certification Many different file formats need to be supported. More and more printers realize the importance of calibration and want to provide a single and often centralized solutions, it will become increasingly difficult to continue to use a siloed format. There is no business reason for each vendor to adopt a different standard, but if there is a standard format, it has the potential to be adopted by the industry. This article The software aims to define the minimum data set required by all current applications, and to provide an easily extensible format that can be agreed upon by both parties When seen, additional metadata may be included. Printing technology prepress data exchange Tone adjustment curve

1 Scope

This document specifies a simple extensible file format for use including but not limited to color management, calibration and raster image processors (RIP) exchange of tone adjustment curves between applications of the system.

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document.

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 transfer curve transfercurve A curve that defines the relationship between the input code value and the imaged or printed output value.

4 Symbols and Abbreviations

4.1 Text style Text styles in this document use the following conventions. XML element names in bold, such as. TransferCurve. XML attribute names are italicized, such as. SpotColorName. 4.2 Data Types All datatype definitions used in this document are derived from the XML Framework Part 2.Datatypes (Second Edition).

5 Requirements

5.1 XML namespaces This document uses XML at its core to ensure accurate communication between metadata. It is likely that different systems will need to be added beyond the scope of this document ......

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