山东大学学报(工学版) ›› 2018, Vol. 48 ›› Issue (2): 8-13.doi: 10.6040/j.issn.1672-3961.0.2017.311
冯霞1,2,黄熙祥1*
FENG Xia1,2, HUANG Xixiang1*
摘要: 针对机场噪声等值线实时动态展现过程中存在的计算量大、绘制效率低等问题,提出一种基于网格边标记(grid edge labeling, GEL)的等值线并行生成算法。该并行生成算法采用局部到全局的等值线生成策略,以行为单位将网格任务划分,利用GEL算法确定单个网格内等值线的走向,对网格遍历一次即可生成全部噪声等值线。试验结果表明:当网格为400×400个,噪声为15层时,达到17帧/s的绘制效果,本研究算法较其他算法可更好的满足噪声动态可视化的需求。
中图分类号:
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