GB 12320-2022 English PDF

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GB 12320-2022: Compilation specifications for Chinese nautical charts
Status: Valid

GB 12320: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB 12320-2022	689	Add to Cart	6 days	Compilation specifications for Chinese nautical charts	Valid
GB 12320-1998	1019	Add to Cart	5 days	Specifications for Chinese nautical charts	Obsolete
GB 12320-1990	RFQ	ASK	3 days	Specifications for Chinese nautical charts	Obsolete

Similar standards

GB/T 12898   GB/T 18314   GB/T 14950   GB/T 17943   GB 12327   

Basic data

Standard ID: GB 12320-2022 (GB12320-2022)
Description (Translated English): Compilation specifications for Chinese nautical charts
Sector / Industry: National Standard
Classification of Chinese Standard: A76
Word Count Estimation: 37,325
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB 12320-2022: Compilation specifications for Chinese nautical charts

---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.
Compilation specifications for Chinese nautical charts ICS 07.040 CCSA76 National Standards of People's Republic of China Replacing GB 12320-1998 China's Navigational Chart Compilation Specifications Published on 2022-07-13 2023-08-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration directory Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 General Requirements 2 5 Category 3 6 Mathematical Fundamentals 3 7 framing 4 8 number 5 9 Editorial Design 5 10 Method of editing and drawing work 9 11 Compilation of each element 10 12 Notes 21 13 Corrections in editing 23 14 Quality Control 24 15 Color printing and prepress 25 16 Update 26 Appendix A (Normative) Nautical Chart Numbering Regulations 27

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 replaces GB 12320-1998 "Code for Compilation and Drawing of Chinese Nautical Charts". Compared with GB 12320-1998, except for structural adjustment and editing In addition to the modification, the main technical changes are as follows. --- Delete the content and indicators that are incompatible with the current nautical chart production technology, such as exhibition points, editing methods, etc. (see 4.2); --- Modify the coordinate system to.2000 National Geodetic Coordinate System (see 6.1.1); --- Adjusted the water depth density index and basic iso-altitude requirements (see 11.5.2.2, 11.14.1, 9.13.1 of the.1998 edition); --- Added the representation requirements of some new elements, such as logarithmic scale, linear scale, VTS report line, etc. (see 9.4.7, 11.22.5.3); --- Modify the projection requirements, delete the Gaussian projection, and add the polar spherical projection (see 6.3, 6.1.3.2, 6.1.3.3 of the.1998 edition); --- Added the requirements for navigating charts in foreign regions (including polar regions) (see 9.3.3.3, 9.4.3, 9.4.6.4); --- Modified the requirements for the layout of the drawing, reducing the cover of the navigation elements on the drawing by elements such as drawing names and charts (see 9.4.2.2,.1998 edition) 7.4.1.2); --- Delete the old operation methods and related requirements, and add the editing operation methods and technical requirements based on digital drawing technology (see 8.2.2, 8.3.2, 8.1 of the.1998 edition); --- Increase the requirements for the adoption, analysis and use of digital data (see 10.2.2, 10.3.2, 8.3.1, 8.3.2, 8.3.3,.1998 edition 8.3.4, 8.4); --- Increase the processing of specific elements at the overlapping width (see 10.4.3); --- Appropriate revisions and adjustments have been made to the representation methods and comprehensive indicators of some elements; --- Adjust the national borders to indicate the requirements, the scale is adjusted from 1.2000000 to 1.1000000, and the requirements to indicate foreign national borders (see 11.12.1, 9.11.1 of the.1998 edition); --- Delete the requirements for administrative approval (see 9.11.3 of the.1998 edition); --- Revised the requirements for element omission, reducing the representation of coastal elements in small-scale maps (see 11.25, 9.24 of the.1998 edition); ---Deleted the concept of original drawing and printing original drawing, added the concept of incoming factory sample drawing and pre-press sample drawing, modified the nautical chart in the process of drawing Correction, proofreading, review and acceptance regulations (see 3.12, 3.13, Chapter 13, Chapter 14, Chapter 11 of the.1998 edition); ---Modified the blue general dyeing range of the scale chart less than 1.100000 in the layered color range table; deleted the production of color separation sample map, Revised to make prepress proofs (see 15.1.2, 15.2, 12.1.2, 12.2 of the.1998 edition); --- Modified the representation of scale and scale range; --- Adjusted the number of world ocean divisions (see Figure A.1). Please note that some content in 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 Naval Staff of the Chinese People's Liberation Army. The previous versions of this document and its superseded documents are as follows. ---First published in.1990 as GB 12318-1990 "Navigational Chart Compilation and Drawing Specification", GB 12320-1990 "Chinese Nautical Chart Compilation and Drawing" specification"; --- In the first revision in.1998, GB 12318-1990 and GB 12320-1990 were merged into GB 12320-1998; ---This is the second revision. China's Navigational Chart Compilation Specifications

1 Scope

This document specifies the general requirements for nautical charts, mathematical basis, framing, numbering, editing design, editing and drawing operation methods, editing and drawing of various elements, annotations Records, corrections in editing, quality control, color printing and prepress processing and updating, etc. This document applies to the preparation of nautical charts of various scales.

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. GB 5863 Inland River Navigation Signs GB 12319 Chinese nautical charts GB/T 14477 Specification for printing charts

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 cartographicdocument Various charts, documents and data that can be used to compile nautical charts or have research, enrichment, correction and reference value for the preparation of nautical charts material. 3.2 banner chart reversesheetchart A frame whose horizontal profile length is greater than its vertical profile length. 3.3 Straight chart normalsheetchart A frame whose horizontal profile length is less than the vertical profile length. 3.4 Overlapchart The overlap between adjacent graphs of the same scale or similar scales. 3.5 Sheet size sheetdimension Horizontal and vertical dimensions of outlines in nautical charts. 3.6 Mosaic contiguouscharts A picture made up of two or more adjacent drawing areas. ......

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