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Cast geometry to another type: either simplify, or cast explicitly

Source: R/st_cast.R
st_cast.Rd

Cast geometry to another type: either simplify, or cast explicitly

Usage

# S3 method for class 'sftime'
st_cast(x, to, ..., warn = TRUE, do_split = TRUE)

Arguments

x

An object of class sftime.

to

character; target type, if missing, simplification is tried; when x is of type sfg (i.e., a single geometry) then to needs to be specified.

...

ignored

warn

logical; if TRUE, warn if attributes are assigned to sub-geometries

do_split

logical; if TRUE, allow splitting of geometries in sub-geometries

Value

x with changed geometry type.

Examples

# cast from POINT to LINESTRING
g <- st_sfc(st_point(1:2), st_point(c(2, 4)))
time <- Sys.time()
x <- 
  st_sftime(a = 3:4, g, time = time) %>%
  dplyr::group_by(time) %>%
  dplyr::summarize(do_union = TRUE) %>%
  st_cast(to = "LINESTRING")