Extensible universal three-dimensional terrain simulation system
A simulation system and three-dimensional terrain technology, applied in the field of landscape simulation and general three-dimensional landscape simulation system, can solve the problems of non-expansion and low versatility, and achieve the effect of good scalability and versatility
Active Publication Date: 2012-09-19
北京通建泰利特智能系统工程技术有限公司
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Problems solved by technology
[0009] The purpose of the present invention is to overcome the technical problems that the terrain rendering system in the prior art cannot be expanded and has low versatility, and propose a new terrain simulation system
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[0029] The present invention will be further described below through specific embodiments in conjunction with the accompanying drawings.
[0030]This embodiment provides a network-based 3D landscape simulation system. The framework of this system is scalable and the modules are low-coupled, that is to say, any part of it can be independently replaced by other algorithms or implementations without affecting other modules. . It is only necessary to keep the basic communication interface unchanged. The system structure can adapt to almost any terrain algorithm, as well as any data management mechanism and buffer mechanism, and can support both C / S and B / S network architectures.
[0031] image 3 It is a structural schematic diagram of the entire landscape simulation system. It can be seen that the landscape simulation system has only four interfaces related to the external graphics system, and one is a simple output interface. The 3D terrain building module outputs the renderin...
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The invention relates to an extensible universal three-dimensional terrain simulation system, belonging to the cross technical field of digital earth, three-dimensional geographic information display and virtual reality. The system of the invention comprises a three-dimensional terrain building module, a mapping module, a texture module and a buffer module; wherein the mapping module and the texture module are respectively connected with the three-dimensional terrain building module and the buffer module by data; the three-dimensional terrain building module requests and receives altitude data from the mapping module and texture data from the texture module to build a three-dimensional terrain and outputs drawing information to a drawing device; the mapping module receives altitude data request, information input of a camera and control information input of a user and maps altitude data; the texture module provides texture data; and the buffer module requests data from a data source and buffers one part of the data. The invention can be applied to the technical fields of digital earth, virtual reality, three-dimensional GIS, computer game and the like.
Description
technical field [0001] The invention relates to landscape simulation, in particular to an expandable general three-dimensional landscape simulation system, which belongs to the cross technical field of digitized earth, three-dimensional geographical information display and virtual reality. Background technique [0002] Real-time landscape simulation has very important applications in systems such as digital earth, virtual reality, 3D GIS, and computer games. Among the disclosed technologies, there are more mature technologies for single, smaller-scale terrain rendering and display. In 1996, Lindstrom first proposed the terrain multi-resolution rendering method of continuous level details (P.Lindstrom, David Koller, William Ribarsky, Larry Hodges, Nick Faust, and Gregory Turner. Real-Time, Continuous Level of Detail Rendering of Height Fields .ACM SIGGRAPH 96Proceedings, pp.109-118, August 1996.), the algorithm uses quadtrees to organize and describe terrain scenes. Its bot...
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IPC IPC(8): G06T15/00G06T17/05G06T1/60
Inventor 李胜唐晨汪国平
Owner 北京通建泰利特智能系统工程技术有限公司