A method for producing and distributing color topographic map

Abstract

A method for producing and distributing color topographic map based on the integration and support of geographic information technology is disclosed in the invention. The method presents the geospatial network resource storage management, Digital Elevation Data Processing, Batch Geospatial Data Rendering, Standard Geospatial Network Resource Service Publishing, Standard Geospatial Network ResourceCaching and other sub-processes, through the relevant processing flow, achieves the rapid production of topographic map data hierarchical block, and provides a standard online topographic map publishing and access methods. The invention is mainly used for integrating geospatial data service resources, combining data characteristics such as digital orthophoto image, digital elevation, vector map,etc., designing related data processing flow, generating clear and accurate topographic map data and service, and improving terrain data production and access efficiency.

Description

technical field [0001] The invention belongs to the technical field of geographic information, and mainly relates to a method for producing and distributing color topographic maps. Background technique [0002] In today's society with the rapid development of the Internet industry and information technology, geographic information technology-related industries have also developed rapidly, and various network map services have gradually become an important support for geographic information technology and big data platform technology. The network map service based on Internet resources is an important part of the public basic geographic information platform, and the basic geographic information carried is rich and diverse, which is convenient for people to recognize geographic space more intuitively. Topographic map data, as an important part of geographic information network map services, is a multi-dimensional geographic information network service released after the organi...

AI Technical Summary

Problems solved by technology

However, today there are still many problems in terms of topographic map data sources, map accuracy, data quality, and service efficiency: network topographic map services based on geographic information transmission and expression of spatial entities have different forms in different industries and fields. Time semantics is seriously lacking, the expression object is incomplete, the scale is inaccurate, the carrying file forms are various, and the production system is huge and complex. At the same time, high-precision network topographic map service production and remote sensing technology, digital image processing technology, big data Parallel processing technology is closely related, and also requires the support and cooperation of different industries such as surveying and mapping, urban construction, aerospace, etc. Therefore, the early single topographic map data production method can no longer meet the existing comprehensive needs, and an efficient, accurate and convenient topographic map service is proposed It is very important to change the mode

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