Generate OLD layer for a Sequoia project

Retrieves OLD features intersecting and surrounding the project area, and writes the resulting layer to disk.

Usage

seq_old(dirname = ".", buffer = 1000, verbose = TRUE, overwrite = FALSE)

Arguments

dirname

character Directory where the matrice file is located. Defaults to the current working directory.

buffer

numeric; Buffer around x (in meters) used to enlarge

verbose

logical If TRUE, display messages.

overwrite

logical If TRUE, file is overwritten.

Value

Invisibly returns a named list of file paths written by seq_write(). Returns NULL invisibly when no OLD features are found.

Details

OLD features are retrieved using get_old().

If no OLD features are found, the function returns NULL invisibly and no file is written.

When features are present, the layer is written to disk using seq_write() with the key "v.old.poly".

See also

get_prsf(), seq_write()