虚拟地震采集系统天空仿真及漫游实现
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摘要
鉴于野外地震采集具有系统庞大、仪器昂贵、成本高、风险大等诸多不利因素,开发虚拟地震采集仿真系统无疑对于地震采集实验教学和人才培训等具有重要的现实意义.天空仿真是虚拟地震采集系统野外作业工区视景仿真的重要内容.按照简单、快速、高效的原则,在详细阐述天空仿真和漫游实现方法的基础上,借助于VC++6.0和OpenGL平台,实现了晴天、阴天、雾天等多种静态自然景象的仿真开发,同时实现了步行和飞行两种模式的漫游功能.仿真结果真实感强、渲染速度快、交互性能良好,对于提升虚拟地震采集仿真系统的逼真度和沉浸感具有一定的实用价值.
Because seismic acquisition in field has many adverse factors such as large system,expensive equipment,huge cost,high risk and so on,it has important meaning to develop virtual seismic acquisition system for experimental teaching and talent training.Sky simulation is an important part of the visual simulation of field work scene of seismic acquisition.According to the principle of simple,efficient and fast,the method used in sky simulation and roaming are given and used successfully to actual simulation development of sunny,cloudy and fog weather situation on VC++ 6.0 and OpenGL platform.Meanwhile,two kinds of roaming function of walking and flying are realized.The simulation results which have strong sense of reality,fast rendering and good interactive performance have certain practical value for improving the fidelity and immersion of virtual simulation system of seismic acquisition.
Because seismic acquisition in field has many adverse factors such as large system,expensive equipment,huge cost,high risk and so on,it has important meaning to develop virtual seismic acquisition system for experimental teaching and talent training.Sky simulation is an important part of the visual simulation of field work scene of seismic acquisition.According to the principle of simple,efficient and fast,the method used in sky simulation and roaming are given and used successfully to actual simulation development of sunny,cloudy and fog weather situation on VC++ 6.0 and OpenGL platform.Meanwhile,two kinds of roaming function of walking and flying are realized.The simulation results which have strong sense of reality,fast rendering and good interactive performance have certain practical value for improving the fidelity and immersion of virtual simulation system of seismic acquisition.
引文
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[22]杨贵祥.碳酸盐岩裸露区地震勘探采集方法[J].地球物理学进展,2005,20(4):1108-1128.Yang G X.The method of seismic exploration in the barecarbonate rock area[J].Progress in Geophysics(inChinese),2005,20(4):1108-1128.
[23]徐锦玺,邱燕,何京国,等.滩浅海地震勘探采集技术应用[J].地球物理学进展,2005,20(1):66-70.Xu J X,Qiu Y,He J G,et al.Seismic explorationacquisition technique application of Beach shallow sea[J].Progress in Geophysics(in Chinese),2005,20(1):66-70.
[24]聂岩,云美厚.基于OpenGL的野外地震勘探区场区建模及漫游实现[J].中国科技信息,2012,(21):78-79.Nie Y,Yun M H.Modeling and roaming of outdoor seismicprospecting area based on OpenGL[J].China Science andTechnology Information(in Chinese),2012,(21):78-79.
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