add functions of points2grid, points2grid_vector, points2grid_sf, points2grid_sv for gridding
add functions of awa for area weighted average
function of adw_terra was changed to adw_sv
some examples were modified.
adw 0.3.1
The help files for funchtions 'adw_vector', 'adw_sf' and 'adw_terra' are changed, and some unnecessary content has been removed.
adw 0.3.0
The adw interpolation function was rewritten, and the parameter 'extent' can be a class of 'sf', 'SpatVector', or 'vector'. The calculation speed will be several times faster than before.
delete parameter of 'maskON'. The unit of parameter 'cdd' was converted from meter to kilometer since the version 0.3.1.
adw 0.2.1
fix the BugReports website.
add README file
adw 0.2.0
all of the functions of sf package were replaced by the functions of terra package. The calculation speed will be several times faster than before.
add parameters of extent, nmin, nmax, and maskON
parameter gridSize were changed to gridsize
delete parameters of xmin, xmax, ymin, ymax
delete adw_land function. The new version of the function 'adw' adds a parameter 'maskON' to implement the function of the mask.