grid_to_latlon {atpolR}

grid_to_latlon converts the ATPOL grid to latitude and longitude. With xoffset = 0 and yoffset = 0 parameters it returns coordinates of the upper left corner of the grid.

Description

grid_to_latlon converts the ATPOL grid to latitude and longitude. With xoffset = 0 and yoffset = 0 parameters it returns coordinates of the upper left corner of the grid.

Usage

grid_to_latlon(grid, xoffset = 0.5, yoffset = 0.5)

Arguments

grid

An ATPOL grid, ex. "GF2345".

xoffset

An offset in X, where 0 is for left, and 1 for right side of the grid. The default value is 0.5, which corresponds to middle of the grid.

yoffset

An offset in Y, where 0 is for top, and 1 for bottom side of the grid. The default value is 0.5, which corresponds to middle of the grid.

Value

latitude and longitude of ATPOL grid (default centroid) as pair of numerics

References

https://atpol.sourceforge.io/

Examples

grid_to_latlon("BE21")
grid_to_latlon("BE21", 0, 0)