GIS data visualization method and device based on physical engine
A physical engine and engine technology, applied in the field of visualization, can solve problems such as scene interference, roughness, and large differences in visual expression effects, and achieve the effect of saving development time and good versatility
Pending Publication Date: 2021-02-12
深圳航天智慧城市系统技术研究院有限公司
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In addition, the current map visualization on the Web side is still too rough, which is far from the visual expression presented by Unity and UE4, and it does not support custom physical property settings for each object, so when the scene is more complex. There is some scene interference
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[0024] The technical solutions of the present invention will be further described below in conjunction with specific embodiments.
[0025] The specific embodiment of the present invention is: provide a kind of GIS data visualization method based on physics engine, comprise the steps:
[0026] Multi-engine adaptation: For the 3D engine library integrated with WebGL, the physical system is implemented by calling the Ammo.js engine, and the general calling method of each engine in the 3D engine library is extracted through the multi-engine matching method, which can meet the GIS data visualization development process In , no matter which 3D engine is used, a set of physics engine can be used, which greatly saves the development time of developers;
[0027] At present, the map visualization expression on the Web side is still too rough, and it is far from the visual expression effect presented by Unity and UE4. In addition to the advantages of performance optimization and improve...
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The invention relates to a GIS data visualization method and device based on a physical engine, and the method comprises the steps: multi-engine adaption: achieving a physical system for a WebGL integrated three-dimensional engine library through the call of an Ammo.js engine, and carrying out the call of all engines in the three-dimensional engine library through a multi-engine matching method; visualization scene splitting: splitting the whole physical engine into three parts including physical attributes, scene attributes and joint links, wherein the physical attributes include the gravitycenter, the friction force and the elastic force of objects, the scene attributes include the gravity, the buoyancy and the external acting force, and the joint links represent associated operation between two connected objects; and physical system environment construction: dividing the physical system environment into four categories, then completing further division in each category according todifferent scenes, and achieving the visualization effect. According to the method and the device, the development period of the GIS data visualization effect can be greatly shortened, and meanwhile,the method and the device have wide applicability and universality.
Description
technical field [0001] The invention relates to the technical field of visualization, in particular to a physical engine-based GIS data visualization method and a physical engine-based GIS data visualization device. Background technique [0002] Although the physics engine is a very common technology in the field of games, this technology is rarely used on the Web side, especially in the data visualization expression on the Web side, which directly leads to the vast majority of games currently on the market. The content that can be expressed by web-side visualization products is reduced. [0003] The current method of using the physics engine on the web side is rather messy, and different 3D engines use different methods. In addition, the current map visualization on the Web side is still too rough, which is far from the visual expression presented by Unity and UE4, and it does not support custom physical property settings for each object, so when the scene is more complex....
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IPC IPC(8): G06F16/29G06F16/26G06F16/248G06F16/904G06F8/30
CPCG06F16/29G06F16/26G06F16/248G06F16/904G06F8/315
Inventor 吴赫宁
Owner 深圳航天智慧城市系统技术研究院有限公司