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空间场景中实体的表示方法研究()

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《计算机技术与发展》[ISSN:1006-6977/CN:61-1281/TN]

Author(s):: WANG Rong-feng; ZHANG Hai-bo; Department of Testing and Command, the Academy of Equipment

摘要:: 卫星、空间站等实体是空间场景的重要组成部分，卫星工具软件包STK建立了丰富的模型资源。为了脱离STK环境使用这些实体模型，对模型格式进行深入剖析，利用OpenGL完成模型的可视化。首先经过试验对比分析确定各类图元几何位置、法向和纹理坐标的计算方法，提出对应绘制策略；然后分析变换、关节动作、参数等模型中的关键要素，并探讨绘制时的实现技术；最后对上述技术进行了组件化封装。对绘制结果与STK软件进行比较，二者完全一致，该技术已成功用于构建空间战场可视化系统

Abstract:: The entities, such as satellite and space station, are important parts of space scene, the satellite tool software establishes rich model resource. To use STK＇s model resource of space entity, the visualization of model was implemented by OpenGL based on analysis of internal format of model. Firstly, the calculating method of position, normal and texture＇s coordinate of varying primitives were con firmed via experimentation, followed by rendering method of primitive. Secondly, the meanings and implementation method of transform, articulation and parameter were analyzed. Finally,the entity visualization component was implemented based on technologies above. The display of model was identical to STK, and was applied in founding of space visualization system successfully

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更新日期/Last Update: 1900-01-01