Activity for modifying an arrival's attribute in the form of a key/value pair.

set_attribute(.trj, key, value, global = FALSE)

set_global(.trj, key, value)

Arguments

.trj

the trajectory object.

key

the attribute name.

value

the value to set, accepts either a numeric or a callable object (a function) which must return a numeric.

global

if TRUE, the attribute will be global instead of per-arrival.

Value

Returns the trajectory object.

Details

set_global is a shortcut for set_attribute(global=TRUE).

See also

get_attribute.