Convert geographic line objects to a data.frame with from and to coords

This function returns a data frame with fx and fy and tx and ty variables representing the beginning and end points of spatial line features respectively.

Usage

line2df(l)

Arguments

l

A spatial lines object

See also

Other lines: angle_diff(), geo_toptail(), is_linepoint(), line2points(), line_bearing(), line_breakup(), line_midpoint(), line_sample(), line_segment_sf(), line_segment(), line_via(), mats2line(), n_sample_length(), n_vertices(), onewaygeo(), points2line(), toptail_buff(), toptailgs(), update_line_geometry()

Examples

data(flowlines)
line2df(flowlines[5, ]) # beginning and end of a single straight line
#> # A tibble: 1 × 5
#>   object    fx    fy    tx    ty
#>    <dbl> <dbl> <dbl> <dbl> <dbl>
#> 1      1 -1.52  53.8 -1.52  53.8
line2df(flowlines) # on multiple lines
#> # A tibble: 49 × 5
#>    object    fx    fy    tx    ty
#>     <dbl> <dbl> <dbl> <dbl> <dbl>
#>  1      1 -1.52  53.8 -1.52  53.8
#>  2      2 -1.52  53.8 -1.54  53.8
#>  3      3 -1.52  53.8 -1.55  53.8
#>  4      4 -1.52  53.8 -1.53  53.8
#>  5      5 -1.52  53.8 -1.52  53.8
#>  6      6 -1.52  53.8 -1.51  53.8
#>  7      7 -1.52  53.8 -1.52  53.8
#>  8      8 -1.54  53.8 -1.52  53.8
#>  9      9 -1.54  53.8 -1.54  53.8
#> 10     10 -1.54  53.8 -1.55  53.8
#> # … with 39 more rows
line2df(routes_fast[5:6, ]) # beginning and end of routes
#> # A tibble: 2 × 5
#>   object    fx    fy    tx    ty
#>    <dbl> <dbl> <dbl> <dbl> <dbl>
#> 1      1 -1.52  53.8 -1.52  53.8
#> 2      2 -1.52  53.8 -1.51  53.8
line2df(routes_fast_sf[5:6, ]) # beginning and end of routes
#> # A tibble: 2 × 5
#>      L1    fx    fy    tx    ty
#>   <dbl> <dbl> <dbl> <dbl> <dbl>
#> 1     1 -1.52  53.8 -1.52  53.8
#> 2     2 -1.52  53.8 -1.51  53.8