The class S2Grid represent spherical grids. The central difference to a simple list of vector3d is that S2Grid provides more efficient methods for finding the closes points in the grid with respect to a given direction.
Syntax
Options
points | [nrho,ntheta] number of points |
resolution | resolution of a equispaced grid |
theta | polar angle |
rho | azimuthal angle |
minRho | starting rho angle (default 0) |
maxRho | maximum rho angle (default 2*pi) |
minTheta | starting theta angle (default 0) |
maxTheta | maximum theta angle (default pi) |
Flags
lower, uper, complete | restrict hemisphere |
antipodal | include antipodal symmetry |
no_center | ommit point at center |
restrict2minmax | restrict margins to min / max |