grid.to.xyz {RSAGA}R Documentation

Convert Grid Matrix to (x,y,z) data.frame

Description

Convert a grid matrix to a (x,y,z) data.frame.

Usage

grid.to.xyz(data, header, varname = "z", colnames = c("x", "y", varname))

Arguments

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

Value

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

Author(s)

Alexander Brenning

See Also

read.ascii.grid, pick.from.ascii.grid

Examples

## Not run: 
d = read.ascii.grid("dem")
xyz = grid.to.xyz(d,varname="elevation")
str(xyz)
## End(Not run)

[Package RSAGA version 0.9-1 Index]