GB/T 20258.1-2019Data dictionary for fundamental geographic information features—Part 1: Scale of 1: 500 1: 1 000 1: 2 000 (English PDF)

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 first 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 20258.1-2007 "Basic Geographic Information Elements Data Dictionary Part 1. 1.500 1.1000 1.2000 Basic Geographic Information Element Data Dictionary.

Compared with GB/T 20258.1-2007, the main technical changes in this section are as follows.

--- Added tailings pond, special oxygen supply point, sun buddha, windproof wall (windshield wall), wild animal passage, windproof sandstone square, windproof solid Sand grass square, bush grass beach, reed beach, salt shoal beach, shoal, dark beach, solar energy panel, construction area, cellar (vegetable), sea rescue station, Lifeboat station, bunker, postbox, large mailbox, newsstand, kiosk, ticket booth, ATM, paper burning furnace, car inspection platform, washing Car platform, car ramp in front of buildings, barrier-free access, sidewalks, parking buildings, gate signs, street name plates (road signs), approach bridges Docks, roadheads, damaged wharfs, bollards, compass correction bollards, floating docks, slipways, slides, hulls, radar markings, radio Standard, pilot station, pilotage, hulk, helipad, art building, fitness and recreation facilities, soundproof wall (sound barrier), outdoor automation Escalator, outdoor elevator, photo wall, street garden landscape sketch, village road, street in the building, bus stop, service area, self Car rental point, storage bracket, road mirror (wide-angle lens, turning mirror), electronic eye (monitoring facility), traffic speedometer, traffic warning Brand, gas pressure regulating station, pipeline indicator pile, medium water maintenance well hole, public security inspection well hole, special administrative area boundary, bare land, satellite Continuous operation of the site, dry dock, rock wall, whiteboard and other elements;

---Modified water transfer aqueduct, water well, vacant room, gallery, open-air warehouse, open-air stage, Tropic of Cancer marker tower, weather station and other elements name;

--- Modified triangle points, satellite positioning level points, ground rivers, canals, inverted siphons, islands, dams, single houses, satellite floors Description of elements such as stations and fences;

---Modified the attributes of satellite positioning level points, single-line standard rail railway, subway and other elements;

--- Change the data type and value range of all feature data sources from "character type 10" to "character type 60";

---Modified ground rivers, above ground canals, above ground branch channels, perennial lakes, ponds, reservoirs, dams, churches, street lamps, fountains, Geometry and cartographic representation of elements such as subways and light rails;

--- Removed the Ming Reef and moved its geometry and cartographic representations to the island features.

1 Scope

This part of GB/T 20258 specifies the content structure of the 1.500, 1.1000, 1.2000 basic geographic information element data dictionary. Description with the elements.

This section applies to the data production, construction, update, maintenance and protection of the 1.500, 1.1000, 1.2000 scale basic geographic information database.

The analysis and application of the basic geographic information data of 1.500, 1.1000, 1.2000 scale can be referred to and executed.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this document. 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 20257.1 National Basic Scale Map Drawing Part 1. 1.500 1.1000 1.2000 Topographic Map

3 Terms and definitions

The following terms and definitions apply to this document.