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Accumulate Variable Downstream

Source: R/accumulate_downstream.R
accumulate_downstream.Rd

given a variable, accumulate according to network topology.

Usage

accumulate_downstream(x, var)

# S3 method for class 'data.frame'
accumulate_downstream(x, var)

# S3 method for class 'hy'
accumulate_downstream(x, var)

Arguments

x

data.frame network compatible with hydroloom_names.

var

variable to accumulate.

Value

vector of the same length as nrow(x) containing values of var accumulated downstream

Examples

x <- sf::read_sf(system.file("extdata/new_hope.gpkg", package = "hydroloom"))

x$totDASqKM <- accumulate_downstream(add_toids(x), "AreaSqKM")

plot(x['totDASqKM'], lwd = x$totDASqKM / 50)