GB/T 20258.3: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 20258.3-2019 | English | RFQ |
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3 days [Need to translate]
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Data dictionary for fundamental geographic information features -- Part 3: Scale of 1∶25 000 1∶50 000 1∶100 000
| Valid |
GB/T 20258.3-2019
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| GB/T 20258.3-2006 | English | RFQ |
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3 days [Need to translate]
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Data dictionary for fundamental geographic information features -- Part 3: data dictionary for fundamental geographic information features of 1: 25000 1: 50000 1: 100000 scale
| Obsolete |
GB/T 20258.3-2006
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PDF similar to GB/T 20258.3-2019
Basic data | Standard ID | GB/T 20258.3-2019 (GB/T20258.3-2019) | | Description (Translated English) | Data dictionary for fundamental geographic information features -- Part 3: Scale of 1��25 000 1��50 000 1��100 000 | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | A75 | | Classification of International Standard | 07.040 | | Word Count Estimation | 414,447 | | Date of Issue | 2019-03-25 | | Date of Implementation | 2019-10-01 | | Older Standard (superseded by this standard) | GB/T 20258.3-2006 | | Quoted Standard | GB/T 13923; GB/T 20257.3 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | | Summary | This standard specifies the content structure and description of elements of 1:25000, 1:50000, 1 | GB/T 20258.3-2019: Data dictionary for fundamental geographic information features -- Part 3: Scale of 1∶25 000 1∶50 000 1∶100 000
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(Basic Geographic Information Elements Data Dictionary - Part 3. 1.25 000 1.50 000 1.100 000 scale)
ICS 07.040
A75
National Standards of People's Republic of China
Replace GB/T 20258.3-2006
Basic geographic information element data dictionary
Part 3. 1.25000 1.50000 1.100000
scale
Part 3.Scaleof1.25000 1.50000 1.100000
Published on.2019-03-25
2019-10-01 implementation
State market supervision and administration
China National Standardization Administration issued
Content
Foreword III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 data dictionary structure and content 2
4.1 Structure 2
4.2 Element Name 2
4.3 Element Description 2
4.4 Feature Classification Code 2
4.5 Feature Attribute Table 3
4.6 Feature Geometry 4
4.7 means example 5
4.8 Element Relationship 5
5 element data dictionary content 9
6 element data dictionary expansion principle 9
Appendix A (Normative Appendix) 1. 25000 1.50000 1.100000 Basic Geographic Information Elements Data Dictionary Content 10
Feature Classification Code Index 398
Chinese index 403
Foreword
GB/T 20258 "Basic Geographic Information Element Data Dictionary" is divided into four parts.
--- Part 1. 1.500 1.1000 1.2000 scale;
--- Part 2. 1.5000 1.10000 scale;
--- Part 3. 1.25000 1.50000 1.100000 scale;
--- Part 4. 1.250000 1.500000 1.1000000 scale.
This part is the third part of GB/T 20258.
This part is drafted in accordance with the rules given in GB/T 1.1-2009.
This part replaces GB/T 20258.3-2006 "Basic Geographic Information Elements Data Dictionary Part 3. 1.25000 1.50000
1.100000 Basic Geographic Information Element Data Dictionary.
Compared with GB/T 20258.3-2006, the main technical changes in this section are as follows.
--- Added 21 elements. water well house, drying room, other use houses, tailings pond, tower, construction area, open-air warehouse, greenhouse,
Ports, dedicated oxygen supply points, sun-baked platforms, railway observation decks, village roads, wildlife passages, heat dissipation rods, wind walls, territorial sea baselines, territorial waters
Base point, special administrative area boundary, wind-proof sand-fixing stone square, wind-proof sand-fixing grass square;
--- Increased the rules for data dictionary element classification;
--- Added Chapter 6 "Element Data Dictionary Expansion Principles";
--- Added two data items "data source and update date" in the feature attribute table;
--- Removed the Ming Reef elements and moved their geometric and cartographic representations to the island features;
---Modified some sample symbol size, color, description and other errors in the original standard.
This part is proposed by the Ministry of Natural Resources of the People's Republic of China
This part is under the jurisdiction of the National Geographic Information Standardization Technical Committee (SAC/TC230).
This section drafted by. National Surveying and Mapping Geographic Information Bureau Surveying and Mapping Standardization Institute, Wuhan University.
The main drafters of this section. Guo Yufang, Deng Guoqing, Yan Jingxin, Yin Xiaoqing, Wang Huanping, Liu Haiyan, He Chaoying, Cai Zhongliang, Ren Fu.
The previous versions of the standards replaced by this section are.
---GB/T 20258.3-2006.
Basic geographic information element data dictionary
Part 3. 1.25000 1.50000 1.100000
scale
1 Scope
This part of GB/T 20258 specifies the 1.25000, 1.50000, 1.100000 basic geographic information element data dictionary.
Description of the structure and elements.
This section applies to 1.25000, 1.50000, 1.100000 scale basic geographic information database data production, database construction, and more
New and maintained. Analysis and application of basic geographic information data of 1.25000, 1.50000, and 1.100,000 scale can be referred to
carried out.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 13923 basic geographic information element classification and code
GB/T 20257.3 National Basic Scale Map Drawing Part 3. 1.25000 1.50000 1.100000 Terrain
Schema
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Entity entity
A phenomenon in the real world.
Note. Entities cannot be subdivided into the same type of phenomenon.
3.2
Feature
The abstraction of real world phenomena.
Note. An element can appear as a type (such as a lake) or as an instance (such as Dongting Lake).
[GB/T 17694-2009, definition B.179]
3.3
Feature attribute featureattribute
The characteristics of the feature.
Note 1. A feature attribute may appear as a type or an instance. When there is only one meaning, either use the feature attribute type or use the feature
Attribute instance.
Note 2. A feature attribute should have a name, a data type, and a range of values associated with it. The feature attribute of a feature instance should have a genus obtained from the value range
Sex value.
[GB/T 17694-2009, definition B.181]
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