Cesium-based 3D Digital Traffic Simulation System and Method

By integrating high-precision map services, refined models, and real-time traffic flow simulation modules onto the Cesium engine, the problems of high-precision data support, realistic scene reproduction, and real-time interaction in existing 3D traffic simulation solutions have been solved, achieving efficient traffic simulation and decision support.

CN122133307APending Publication Date: 2026-06-02ANHUI KELI INFORMATION IND
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
ANHUI KELI INFORMATION IND
Filing Date
2026-01-19
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

Existing 3D traffic visualization or simulation solutions have failed to effectively address the challenges of achieving synergistic integration of high-precision map data support, highly realistic scene reproduction, real-time data-driven simulation, and deep business-oriented interaction.

Method used

Based on the Cesium engine, a geographic information service module, a 3D model processing module, and a real-time traffic flow simulation module are built. High-precision maps, refined models, and real-time traffic flow are integrated. Through the standardized service interfaces and data formats of the Cesium engine, efficient fusion loading and dynamic simulation are achieved.

Benefits of technology

It achieves efficient fusion and loading of lane-level high-precision maps and detailed city models, improving the real-time performance and accuracy of simulations, reducing development complexity and cost, and upgrading the 3D system from a static display tool to a practical platform for real-time monitoring, simulation, and intelligent decision-making.

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Abstract

This invention discloses a Cesium-based 3D digital traffic simulation system and method, relating to the field of intelligent transportation technology. It includes: a geographic information service module configured to load images and / or vector layers into a 3D scene via the Cesium engine's image layer and / or vector layer interface; a 3D model processing module configured to refine urban building white-film models generated based on geographic information rules and convert them into 3DTiles format model data for loading and rendering; and a real-time traffic flow simulation module configured to receive real-time traffic flow data, construct a driving path model based on vector map data, and generate dynamic traffic flow matching the real-time traffic flow data on the driving path model through the Cesium engine's particle system or dynamic model interface. The geographic information service module, 3D model processing module, and real-time traffic flow simulation module are integrated within the same Cesium engine scene and linked through Cesium engine scheduling. This improves the real-time performance and accuracy of the simulation.
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