planar point meaning in English

平点
平面点

Let p be a finite planar point set with no three points collinear
设p为一个无三点共线的有限平面点集。
In this paper we consider only finite planar point sets in which no three points are collinear
本文讨论平面上无三点共线的有限点集。
This article researches mostly on how to improve the convex hull algorithm of planar point set
本文的主要内容是对凸包的算法进行改进。
2 xu j , zheng b , lee w - c , lee d l . d - tree : an index structure for planar point queries in location - based wireless services . ieee trans . knowledge and data engineering tkde , 2004 , 16 : 1526 - 1542
在本文中，作者提出了一种基于广播的位置相关数据发布机制，其目标是减少最近邻居查询nearest neigbour query和区域查询range query的协调时间和访问时间。