R/gnomon_eff.R

In siplab: Spatial Individual-Plant Modelling

Defines functions gnomon_eff

Documented in gnomon_eff

gnomon_eff <-
function(dx, dy, marks, par=list(a=1, b=4, smark=1)) {
# Gnomonic efficiency functions  1 - b R^a /s
    with(as.list(par),
        pmax(0, 1 - b * (dx^2 + dy^2)^(a/2) / marks[[smark]])
    )
}

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