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Resource data library building management method for digital twin cities

A resource data and database technology, which is applied in electronic digital data processing, digital data information retrieval, database indexing, etc., can solve the problem that associated fields do not have any meaning, cannot quickly and accurately locate 3D data points, delete, modify, and unfavorable data linkage maintenance and maintenance. Update and other issues to achieve the effect of reducing labor management costs and improving management

Pending Publication Date: 2022-04-12
贵州图智信息技术有限公司
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AI Technical Summary

Problems solved by technology

However, this patent associates the 2D data with the 3D model by assigning a unique field. This associated field has no meaning; when the data needs to be maintained and updated in the later application process, it is impossible to quickly and accurately locate the need for maintenance through this meaningless field. The updated 3D data points are deleted, modified and added
Therefore, the integrated construction method of 2D data and 3D data provided by the above patent is not conducive to the linkage maintenance and update of data

Method used

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  • Resource data library building management method for digital twin cities
  • Resource data library building management method for digital twin cities

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Embodiment 1

[0035] A resource data library management method for a digital twin city, comprising the following steps:

[0036] 1. Construction of 3D model

[0037] 1. Data collection

[0038] Collect oblique images of the city's main buildings, landmark buildings, and key landscapes; use aerial photography to collect laser point cloud data, including: positioning and orientation data (POS data): differential GPS data, IMU data; laser scanning ranging data: ranging Data, scan angle, echo intensity image; calibration data: system parameters (instrument placement parameters); calibration data.

[0039] 2. Model construction

[0040] Automatically construct 3D models using laser point cloud data and oblique images.

[0041] 2. Vector spatialization of standard place name address data

[0042] The standard place name address database, real estate registration data, administrative division data, planning status data, and natural resource geospatial data are fused and correlated, and the fus...

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Abstract

The invention belongs to the technical field of geographic information, and particularly relates to a resource data library building management method for digital twin cities, which comprises the following steps of: (1) building a three-dimensional model; (2) carrying out vector spatialization on standard place name address data; (3) spatializing legal person data vectors; (4) carrying out vector spatialization on the house base data; and (5) integrated construction. According to the method, a basic geographic information base, legal person data and real estate data are taken as a data basis, and integrated organization and management of cross-business, multi-source, multi-temporal and multi-type data are realized through processing processes such as spatialization, standardization, data comparison, integration, association and data unification, so that a set of fully-associated urban spatialization database is formed; and association of a two-dimensional plane and a three-dimensional monomer model and integrated management of two-dimensional data and three-dimensional data are realized through space location information.

Description

technical field [0001] The invention belongs to the technical field of geographic information, and in particular relates to a database management method for resource data of a digital twin city. Background technique [0002] The new type of smart city needs to innovate a new model of urban governance based on big data decision-making, and use information technology to better perceive the social situation, smooth communication channels, and assist decision-making and governance. The public needs smarter government and public services and life services, and a more efficient service-oriented government. [0003] The digital twin city is an online service scene with comprehensive innovation in efficiency and a key step in the construction of a new type of smart city. It combines the results of 2D spatial base map, 3D virtual city modeling and spatial data fusion, and creates a virtual city in the form of 3D visualization. The static and dynamic information of the city is presen...

Claims

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Application Information

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IPC IPC(8): G06F16/29G06F16/215G06F16/22G06T17/00G06Q50/26
Inventor 黄勇肖让蔡玲黎明石琨王大力黄健丁才州郑发斌
Owner 贵州图智信息技术有限公司
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