Discretize raster to points.
discretizeRaster(x, cellsize, type = "value", psf = "equal", sigma = 2)
a discreteArea object: list(areaValues, discretePoints).
values of areas: data.frame(areaId,centx,centy,value), where areaId is polygon id; centx, centy are centroids of polygons.
discretized points of areas: data.frame(areaId,ptx,pty,weight), where ptx, pty are discretized points; by default, weight is equal for all points.
a SpatRaster object.
cell size of discretized grid.
"value", "nodata", "all": whether only valid pixels, or only NODATA pixles, or all pixels extracted.
PSF type, "equal", "gau", or user defined PSF matrix (normalized).
standard deviation for Gaussian PSF.
discretizePolygon, ataCoKriging