This function generates a spatial rectangular grid from the slot
boundary of an object of class prevR; function used in
particular by the methods kde(), krige() and idw().
make.grid.prevR(object, nb.cells = 100, cell.size = NULL)object of class prevR.
number of cells on the longest side of the studied area
(unused if cell.size is defined).
size of each cell (in the unit of the projection).
Object of class sf::sfc (simple feature geometry list column).
This function generates a spatial rectangular grid, each cell
corresponding to the center of a square of side cell.size.
If cell.size is not defined, side of cells will be
calculated as the longest side of the slot boundary of object
divided by nb.cells.
make.grid.prevR(fdhs)
#> Geometry set for 9100 features
#> Geometry type: POINT
#> Dimension: XY
#> Bounding box: xmin: -5.467429 ymin: 4.788452 xmax: 3.800214 ymax: 15.03086
#> Geodetic CRS: +proj=longlat +datum=WGS84
#> First 5 geometries:
#> POINT (-5.467429 4.788452)
#> POINT (-5.364455 4.788452)
#> POINT (-5.261481 4.788452)
#> POINT (-5.158508 4.788452)
#> POINT (-5.055534 4.788452)
make.grid.prevR(fdhs, nb.cells = 200)
#> Geometry set for 36400 features
#> Geometry type: POINT
#> Dimension: XY
#> Bounding box: xmin: -5.493173 ymin: 4.762588 xmax: 3.825958 ymax: 15.05673
#> Geodetic CRS: +proj=longlat +datum=WGS84
#> First 5 geometries:
#> POINT (-5.493173 4.762588)
#> POINT (-5.441686 4.762588)
#> POINT (-5.390199 4.762588)
#> POINT (-5.338712 4.762588)
#> POINT (-5.287225 4.762588)