getWeights | R Documentation |
Calculate weights using the cosine of latitude to compensate for area distortion of non-projected lat/lon data
getWeights(x, f = function(x) cos(x), ...)
x |
a Raster* object |
f |
a function to be used to the weighting.
Defaults to |
... |
additional arguments to be passed to f |
a numeric vector of weights
data("australiaGPCP")
wghts <- getWeights(australiaGPCP)
wghts_rst <- australiaGPCP[[1]]
wghts_rst[] <- wghts
opar <- par(mfrow = c(1,2))
plot(australiaGPCP[[1]], main = "data")
plot(wghts_rst, main = "weights")
par(opar)
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