Description Usage Arguments Details Value References Examples
Caclulate the geodesic areas of SpatialPolygons
object on the Nothern
Hemisphere Polar Stereographic grid projection
1 |
poly |
|
byid |
boolean indicating whether areas should be calculated for each polygon individually or for the whole object together |
Area calculations are for the Polar stereographic grid with major axis of 6378273m and ellipsoid flattening of 1/298.2794111.
Area of polygon (or vector of areas if byid
is set to TRUE
)
Information on Polar Stereographic North projection: https://nsidc.org/data/polar-stereo/ps_grids.html
1 2 |
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