To get spherical equal-area hexagonal grids,this paper discussed five coordinate systems(CS): grid CS,medium CS,stand CS,vertex CS,and inverse Icosahedron Snyder Equal Area(ISEA) projection CS.

• 利用施奈德等积投影建立平面与球面的对应关系,并在此基础上设计了3种球面等积六边形离散网格的生成算法。