poly_extraction: function to extract the rainfall data for points or buffered...
In RobinKohrs/soilmoistr:

function to extract the rainfall data for points or buffered points

poly_extraction(
  spatial.obj,
  paths_sm_tiffs,
  matches,
  tracks,
  swaths,
  point_buffer,
  times,
  aggre_fun
)

`matches`	A vector of class `Date` with the dates where the day of the landslide (plus minus the temporal buffer) intersect
`aggre_fun`	A vector of one or multiple functions in order to aggregate the raster values that fall within the polygon. For more see `exact_extract`
`landsld`	One single polygon from a `sf`-object with many polygons (like on slope unit)