【摘要】 在讨论双三次B样条曲面的构造算法和节点插入原理的基础上 ,提出了应用节点插入原理的、基于多层B样条的大规模散乱数据的插值方法 ,它具有精度高、速度快的特点 ,适合于要求严格的大规模散乱数据的可视化处理 .已经在电子海图系统的三维特性的研究中得到成功应用 .更多还原

【Abstract】 Presents the large_scale interpolation of discrete data based upon nodal point interpolation and multi_layer B_spline,which features high accuracy and fast speed,and is therefore suitable for large_scale visualization treatment of discretedata with stringent requirements,and has been successfully applied to the research on the three_dimensional characteristics of electronic chart system.更多还原