gridpoints: Produce gridpoints over an area

In geo: Draw and Annotate Maps, Especially Charts of the North Atlantic

Description

Produce gridpoints over an area.

Usage

gridpoints(border, dx, grpkt, nx, n)

Arguments

border	Border of the area
dx	Resolution in each direction (?)
grpkt	???
nx	Number of gridpoints in each direction (?)
n	Total number of gridpoints (?)

Value

List with components:

xgr	List of gridpoints in components lat, lon or x,y depending on the projection.
xgra	List of those gridpoints within the area given in border

Note

Needs further elaboration, check use with find = TRUE in setgrid.

See Also

Called by setgrid.

geo documentation built on May 2, 2019, 5:22 p.m.