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GB/T 35652-2017Tiled map service (English PDF)

瓦片地图服务

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

December 29, 2017

Implementation date

July 1, 2018

Scope

GB/T 35652-2017 is the English-translated version of 瓦片地图服务.

GB/T 35652-2017 is the Chinese standard "Tiled map service". Its scope clause reads: This standard specifies the tile map data model, service interface and service implementation.

This standard applies to the release and access of tile map services. Its clauses include terms and definitions; abbreviations.

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Document preview — GB/T 35652-2017

National Standard of the People's Republic of China

ICS: 07.040
Classification: A 75

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface
Introduction
1 Scope
2 Normative references
3 Terms and Definitions
4 Abbreviations
5 Tile Map Data Model
5.1 Tile Line Number System
5.2 Data Model
5.3 Model Parameters
6 tile map service interface
6.1 Interface Overview
6.2 Metadata Interface
6.3 Map Data Interface
6.4 Geographic Information Interface
6.5 Line number to map range interface
6.6 Map Coordinates to Column Number Interface
7 Tile Map Service Implementation
7.1 Implementation Process
7.2 Example
Appendix A (Normative) Conformance Test
Appendix B (Informative) Tile Map Service Example
References

1 Scope

This standard specifies the tile map data model, service interface and service implementation.

This standard applies to the release and access of tile map services.

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 version (including all amendments) applies to this document.

GB/T 19710 Geographic Information Metadata

3 Terms and Definitions

The following terms and definitions apply to this document.

3.1 Tile

The map data is divided into several data units according to certain rules.

Note. Data units are usually raster data or vector data.

3.2 Tile map tiledmap

The tile data pre-generated according to a certain size is used to splicing dynamically and form a map.

3.3 Tile matrix

A set of map tiles that correspond to a certain scale or resolution level.

3.4 Tile matrix set

A collection of different-scale or resolution-level tile matrices.

3.5 Tile pyramid model

A multi-resolution hierarchical model for storing the entire map data, including vector and raster formats.

4 Abbreviations

The following abbreviations apply to this document.

DPI. Points per inch (DotsPerInch)

GeoJSON. A Geodata Structure Encoding Format Based on JavaScript Object Representation (GeographicJSON)

GML. Geography Markup Language

JSON. JavaScript ObjectNotation […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 33 pages — is available in the English PDF.

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