get_basin_interactively {gwavr}R Documentation

Get Watershed Basin Interactively

Description

This function allows the user delineate watershed basins interactively with a shiny app. It uses the elevatr package for DEM and whitebox package to delineate the watershed.

Usage

get_basin_interactively(
  ns = "basin-ui",
  viewer = shiny::paneViewer(),
  title = "Delineate Basin",
  ...
)

Arguments

ns

string name for the Shiny namespace to use. The ns is unlikely to require a change.

viewer

function for the viewer. See Shiny viewer. NOTE: when using browserViewer(browser = getOption("browser")) to open the app in the default browser, the browser window will automatically close when closing the app (by pressing "done" or "cancel") in most browsers. Firefox is an exception. See Details for instructions on how to enable this behaviour in Firefox.

title

string to customize the title of the UI window. The default is "Delineate Basin".

...

other arguments to leafletOutput() in module.

Value

A list of sf objects that the user collected during shiny session.

Examples


if(interactive()){
nhdplus_data <- get_basin_interactively()
}


[Package gwavr version 0.2.0 Index]