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Convert Shape Geometries to a GTFS Shapes Table

Source: R/get_shapes_df.R
get_shapes_df.Rd

Convert Shape Geometries to a GTFS Shapes Table

Usage

get_shapes_df(shape)

Arguments

shape

An `sf` object with a `shape_id` field and line geometries.

Value

A tibble containing `shape_id`, WGS84 point coordinates, `shape_pt_sequence`, and cumulative `shape_dist_traveled` in meters.

Details

Distances are geodesic approximations between consecutive coordinates. GTFS permits any consistent distance unit; this function uses meters.

References

[GTFS Schedule Reference](https://gtfs.org/documentation/schedule/reference/#shapestxt)

See also

[GTFSwizard::get_shapes_sf()], [GTFSwizard::get_shapes()]

Examples

shapes_sf <- get_shapes_sf(for_rail_gtfs)$shapes
shapes_df <- get_shapes_df(shapes_sf)