events2field | R Documentation |
field
objectTransform a trajectory
object into a field
object by aggregating it in time and space.
events2field(x, verbose = FALSE, ...)
x |
a |
verbose |
a boolean; if TRUE print information about progress |
... |
additional arguments |
dt |
frequency of output: 'month', 'season', 'quarter' (same as 'season') or 'year' |
dx |
resolution in longitude direction (unit: degrees) |
dy |
resolution in latitude direction (unit: degrees) |
plot |
if TRUE show plot of results |
radius |
radius within which to look for trajectories for each grid point (unit: m) |
it |
a time index, e.g., a range of years: c(1984,2019) |
is |
a spatial index, e.g., a list with longitude and latitude ranges: list(lon=c(0,45), lat=c(45,70)) |
param |
parameter to calculate field of; if NULL calculate track density (for other options, see |
type |
'track', 'genesis', or 'lysis' |
longname |
name of variable |
a field
object
as.field CCI track.events
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