Inclined three-dimensional model reconstruction and dynamic scheduling method based on CAD platform

Abstract

The invention discloses an inclined three-dimensional model reconstruction and dynamic scheduling method based on a CAD platform, and relates to the field of computer aided design, in particular to an inclined three-dimensional model architecture adjustment method based on the CAD platform. The invention also discloses a method. The early stage comprises OSGB data hierarchical rendering of the CAD platform, and the later stage comprises architecture adjustment and method improvement; the architecture adjustment and the method improvement comprise two stages of reconstruction and dynamic scheduling of the inclined three-dimensional model. By applying the algorithm model, a foreground and background combined double-buffering type inclined three-dimensional model loading mode of preparing data streams in a background and drawing data images in a foreground is realized, and model reconstruction, image erasing and drawing and memory loading and unloading are efficiently and dynamically performed on inclined three-dimensional model tiles and scenes in real time according to needs.

Description

technical field [0001] The invention relates to the field of computer-aided design, in particular to a CAD platform-based method for adjusting the structure of an inclined three-dimensional model. Background technique [0002] Oblique photography 3D real scene model, referred to as oblique 3D model, is to obtain a large number of interrelated 2D photos through oblique photography technology, and then generate a high-resolution, 3D model with realistic texture through algorithms. [0003] In recent years, due to the demand for 3D urban modeling in various fields such as digital cities, urban planning, and traffic management, as well as the maturity of 3D technology, oblique photography technology and oblique 3D models have become technologies in urban 3D geospatial modeling. means and models. However, due to the basic characteristics of the platform and the limitations of the development stage of the industry, the CAD platforms, which are mainstream professional design softw...

AI Technical Summary

Problems solved by technology

However, due to the basic characteristics of the platform and the limitations of the development stage of the industry, the various CAD platforms that are mainstream professional design software do not currently have good capabilities for importing, loading, and assisting design of oblique 3D models.

[0004] Chinese Patent Application No. 2018106243359, Publication No. CN108765538A, named as method of hierarchical rendering of OSGB data based on CAD platform, discloses a method for reorganizing OSGB model data and texture data and generating a 3D model in CAD, but not described in detail How schemas and data are transformed

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