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A method for producing and publishing color topographic maps

A topographic map and color technology, applied in the field of geographic information, can solve the problems of various forms of bearing files, large and complex production systems, lack of spatial and temporal semantics, etc., and achieve good cross-platform performance, wide application scenarios, and convenient data acquisition. Effect

Active Publication Date: 2021-06-29
中国科学院电子学研究所苏州研究院
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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

Method used

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  • A method for producing and publishing color topographic maps
  • A method for producing and publishing color topographic maps
  • A method for producing and publishing color topographic maps

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Embodiment Construction

[0089] Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:

[0090] The present invention realizes a complete set of color terrain based on geospatial network resources by integrating geospatial data storage technology, elevation data processing technology, batch geospatial data rendering technology, standard geospatial network resource service publishing and caching technology, etc. Graph production and distribution schemes, such as figure 1 shown. Attached below figure 2 Specific embodiments of the present invention will be described in detail.

[0091] The implementation steps of the geospatial data storage management sub-process are as follows:

[0092] Geospatial data import

[0093] The geospatial vector data and raster data obtained from the network are imported into the geospatial database, and the data projection information is defined according to the different data sources when importing.

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Abstract

The invention discloses a method for producing and publishing color topographic maps. Based on the integration and support of relevant geographic information technologies, the invention proposes the storage management of geospatial network resources, digital elevation data processing, batch geospatial data rendering, and standard geospatial network resource service publishing. , standard geospatial network resource caching and other sub-processes, through the related processing process, realize the rapid production of topographic map data in grades and blocks, and provide a standard online topographic map publishing and access method. The present invention is mainly used to integrate geospatial data service resources, design relevant data processing procedures in combination with data features such as digital orthophoto, digital elevation, vector maps, generate clear and accurate topographic map data and services, and improve topographic 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...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F16/29G06T17/05G06T15/60G06T15/00
CPCG06T15/00G06T15/60G06T17/05G06T2200/32
Inventor 付琨朱利鲁苏晓露林殷王马鑫曹阳
Owner 中国科学院电子学研究所苏州研究院
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