R/step_calculation.R
make_step_geom.Rd
This calculates step geometries as individual line segments based on the active_group
make_step_geom(group, time_data, geometry)
a c_grouping object
time vector
the geometery data from either sf or sf_track. Must be an sf geometry class
#'
library("sf")
geom <- st_as_sf(data.frame(
x = c(1, 2, 2, 5),
y = c(0, 1, 5, 7)
), coords = c("x", "y"))
burst <- list(id = rep(1, 4))
time <- 1:4
cg <- make_c_grouping(burst)
make_step_geom(
group = cg,
geometry = geom$geometry,
time_data = time
)
#> Geometry set for 4 features
#> Geometry type: GEOMETRY
#> Dimension: XY
#> Bounding box: xmin: 1 ymin: 0 xmax: 5 ymax: 7
#> CRS: NA
#> LINESTRING (1 0, 2 1)
#> LINESTRING (2 1, 2 5)
#> LINESTRING (2 5, 5 7)
#> POINT (5 7)