Processing method for uniformly expressing, storing and calculating vector data of different dimensions

Abstract

The invention relates to the technical field of computers and geographic information systems, and discloses a multi-dimensional spatial vector data processing method integrating storage, expression and calculation based on conformal geometric algebra. The method comprises three parts, namely a conformal geometric algebra-based multi-dimensional spatial vector object adaptive expression method, a multiple vector-based multi-dimensional spatial vector data storage method and a conformal geometric algebra-based multi-dimensional spatial vector data analysis method. Aiming at the problems of non-uniform multi-dimensional spatial object expression, storage and operation frameworks, non-intuitive multi-dimensional spatial data expression, complex storage space relationship, high multi-dimensional spatial analytical algorithm construction difficulty and the like in the expansion process of the current geographic information system (GIS) to second dimension and third dimension, the invention can provide uniform technology and method supports for complex multi-dimensional geographic data storage, expression and analysis and is favorable for promoting the development of novel multi-dimensional uniform GIS.

Description

technical field [0001] The invention relates to the field of computer and geographic information system, especially the method and technology of organization, storage, analysis and expression of multi-dimensional spatial data. Background technique [0002] Geographic Information System (GIS) is a spatial information system widely used in production and life practice. It is a technical system that collects, stores, manages, calculates, analyzes, displays and describes geographic spatial data with the support of computer software and hardware. . The storage, expression and calculation of geographic objects in the GIS system are the core elements and key technologies that determine the usability, main functions, expansion capabilities and many other characteristics of the GIS system, and directly determine the form and function of the application system and analysis methods built on it. . With the advancement of geographic data collection, observation, and m...

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Problems solved by technology

[0006] The purpose of the present invention is to overcome the existing three-dimensional GIS vector data model in the multi-dimensional space object expression, storage and calculation framework is not uniform, multi-dimensional spatial data expression is not intuitive, storage space relationship is complicated, and multi-dimensional space analysis algorithm is difficult to construct, etc., through Convert geospatial data to conformal geometric algebraic space, and then use the characteristics of conformal geometric algebra to innovate the expression form, organization and storage structure and analysis framework of multi-dimensional vector spatial data, so as to build a system that can support the unity of different dimensions Vector data processing method for expression, storage and operation

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