fwa_watershed_stream: Freshwater Atlas Watershed Stream

View source: R/watershed-stream.R

fwa_watershed_streamR Documentation

Freshwater Atlas Watershed Stream

Description

Gets the upstream stream segment within the fundamental watershed.

Usage

fwa_watershed_stream(
  blue_line_key,
  downstream_route_measure = 0,
  bbox = NULL,
  properties = NULL,
  transform = NULL,
  epsg = 4326,
  nocache = getOption("fwa.nocache", FALSE)
)

Arguments

blue_line_key

A positive whole number of the stream blue line key.

downstream_route_measure

A positive number of the river metre.

bbox

A vector of four numbers indicating bounding box to limit output features to, e.g. c(minLon, minLat, maxLon, maxLat).

properties

A vector of strings of the column names to include. If NULL (default), all columns are retained.

transform

A character vector with the name of the valid transform function followed by the parameter values (e.g. c("ST_Simplify", 100))

epsg

A positive whole number of the epsg to transform features to.

nocache

A flag specifying whether or not to cache results.

Details

This is useful for adding stream network that was not included in the watershed at measure.

Value

An sf object.

See Also

API documentation

Other functions: fwa_index_point(), fwa_locate_along(), fwa_locate_along_interval(), fwa_watershed_at_measure(), fwa_watershed_hex(), hydroshed()

Examples

fwa_watershed_stream(356308001, downstream_route_measure = 10000)

poissonconsulting/fwapgr documentation built on Nov. 3, 2024, 2:06 p.m.