grid.to.xyz {RSAGA} | R Documentation |
Convert a grid matrix to a (x,y,z) data.frame.
grid.to.xyz(data, header, varname = "z", colnames = c("x", "y", varname))
data |
grid data: either a grid data matrix, or a list with
components data (a matrix with the grid data) and
header (the grid header information);
see read.ascii.grid for details |
header |
optional list giving grid header information;
see read.ascii.grid for details |
varname |
character: name to |
colnames |
names to be given to the columns corresponding to the x and y coordinates and the grid variable in the output data.frame |
a data.frame with three columns (names are specified in the
colnames
argument) giving the x and y coordinates and the attribute
values at the locations given by the grid data
Alexander Brenning
read.ascii.grid
, pick.from.ascii.grid
## Not run: d = read.ascii.grid("dem") xyz = grid.to.xyz(d,varname="elevation") str(xyz) ## End(Not run)