Real-scene three-dimensional visualization online application system

An application system and three-dimensional technology, applied in the field of surveying and mapping geographic information, can solve the problems of unreachable platform sharing, and achieve the effect of avoiding waste of financial funds, strong practicability, and high construction funds
CN112017270APending Publication Date: 2020-12-01时空云科技有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
时空云科技有限公司
Publication Date
2020-12-01
Patent Text Reader

Abstract

The invention provides a real-scene three-dimensional visualization online application system. The real-scene three-dimensional visualization online application system is characterized in that a modelqueue rendering algorithm, a real-time occlusion data cutting algorithm, a data cutting technology of the real-time occlusion cutting algorithm, a multi-resolution LOD technology based on a quadtreestructure and a data dynamic loading technology are adopted in the system; the system functions include layer management, terrain transparency, underground browsing, north pointing top view, flight paths, scene roaming, surround browsing, map bookmarks, double-screen comparison, recording browsing, video monitoring, GPS tracks, electronic maps (two-dimensional eagle eyes, two-dimensional superposition, map linkage and two-dimensional maps), screenshots and the like, and the purpose of multi-source, multi-mode and multi-directional browsing display of three-dimensional data is achieved.
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Description

technical field

[0001] The invention relates to the field of surveying and mapping geographic information. It is a 3D platform based on BS model. By displaying city-level high-precision real-scene 3D model data, it provides real basic geographic entities for various government departments, combined with multi-source data display on the platform. Functions and various data integration and sharing provide strong support for the construction of smart cities. Background technique

[0002] At present, the general 3D platform is built in the CS mode, and the use of the platform is only used by a certain government department, and the platform has not been shared. The real-scene 3D platform built in BS mode needs to transmit the city-level massive real-scene 3D model data online through the network, and the speed of massive data loading is also one of the important factors currently considered. The conventional 3D platform also has the basic functions of the 3D space environment, ...

Claims

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