remapcon {rainfarmr}

Conservative remapping

Description

Implements conservative remapping, weighting with the overlap area between pixels.

Usage

remapcon(x, y, z, xo, yo)

Arguments

x

vector of input longitudes

y

vector of input latitudes

z

matrix of input data

xo

vector of target longitudes

yo

vector of target latitudes

Value

A remapped matrix of dimensions c(length(xo), length(yo))

Author(s)

Jost von Hardenberg, [e-mail]

Examples

z <- 1:(31*51)
dim(z) <- c(31, 51)
x <- seq(4, 10, 0.2)
y <- seq(30, 40, 0.2)
xo <- seq(5, 6, 0.5)
yo <- seq(35, 37, 0.5)
zo <- remapcon(x, y, z, xo, yo)
zo
#       [,1]  [,2]  [,3]   [,4]   [,5]
# [1,] 781.0 858.5 936.0 1013.5 1091.0
# [2,] 783.5 861.0 938.5 1016.0 1093.5
# [3,] 786.0 863.5 941.0 1018.5 1096.0