计算机工程 ›› 2019, Vol. 45 ›› Issue (12): 300-307.doi: 10.19678/j.issn.1000-3428.0053323

• 开发研究与工程应用 • 上一篇    

基于聚合与动态调度的变电站三维可视化研究

孙小虎1, 韩文军1, 潘娟2, 许刚2   

  1. 1. 国网经济技术研究院有限公司, 北京 102209;
    2. 华北电力大学 电气与电子工程学院, 北京 102206
  • 收稿日期:2018-12-06 修回日期:2019-01-12 出版日期:2019-12-15 发布日期:2019-01-22
  • 作者简介:孙小虎(1978-),男,高级工程师,主研方向为三维场景可视化技术、遥感数据;韩文军,高级工程师;潘娟,硕士研究生;许刚,教授、博士生导师。
  • 基金项目:
    国家电网有限公司科技项目"输变电工程数字化设计成果在运维管理中的研究应用"(B3441617K003)。

Research on Three-Dimensional Visualization of Substation Based on Aggregation and Dynamic Scheduling

SUN Xiaohu1, HAN Wenjun1, PAN Juan2, XU Gang2   

  1. 1. State Grid Economic and Technology Research Institute Co., Ltd., Beijing 102209, China;
    2. School of Electrical and Electronic Engineering, North China Electric Power University, Beijing 102206, China
  • Received:2018-12-06 Revised:2019-01-12 Online:2019-12-15 Published:2019-01-22

摘要: 为加快变电站三维场景可视化的加载速度,提出一种地物模型集群聚合与多叉树混合索引结构动态调度的数据组织方法。将地物模型投影生成正投影图得到集群划分子集,基于聚合度函数聚合集群后的地物模型,利用多叉树混合结构建立索引并动态调度生成场景树进行三维展示。对特高压输变电工程案例进行三维测试的结果表明,集群聚合地物模型和动态调度多叉树混合索引结构能够提高三维输变电场景的加载速度,可有效支撑电网工程数字化移交中三维场景交互可视化的应用。

关键词: 数字化移交, 多叉树混合索引结构, 细节层次模型, 地物模型, 聚合度函数

Abstract: In order to accelerate the loading speed of three-dimensional visualization scene of substation,this paper proposes a data organization method based on the clustering and aggregation of ground object model and the dynamic scheduling of n-ary tree hybrid index structure.First,the orthographic map of the ground object model is formed and its clustering is achieved.Then,the clustered ground object model is aggregated by the aggregation degree function.Then,the index is built by utilizing the n-ary tree hybrid structure,and so is the three-dimensional display by dynamic scheduling.The three-dimensional test of a UHV power transmission project shows that the clustered aggregated ground object model and the dynamic scheduled n-ary tree hybrid index structure can improve the loading speed of three-dimensional power transmission scene,and effectively support the application of three-dimensional scene visualization in the digital handover of power grid engineering.

Key words: digital handover, multi-fork tree hybrid index structure, Level of Detail(LOD) model, ground object model, aggregation degree function

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