hydroshed | R Documentation |
Gets aggregated boundary of all hydroshed polygons upstream of the provided location.
hydroshed(
x,
y,
srid = 4326,
bbox = NULL,
properties = NULL,
transform = NULL,
epsg = 4326,
nocache = getOption("fwa.nocache", FALSE)
)
x |
A number of the x coordinate. |
y |
A number of the y coordinate. |
srid |
A positive whole number of the epsg of the coordinates. |
bbox |
A vector of four numbers indicating bounding box to limit output
features to, e.g. |
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. |
An sf object.
Other functions:
fwa_index_point()
,
fwa_locate_along()
,
fwa_locate_along_interval()
,
fwa_watershed_at_measure()
,
fwa_watershed_hex()
,
fwa_watershed_stream()
hydroshed(x = -132.26, y = 53.36)
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