validate_shape_geometry: Function to quickly validate whether an input shape_geometry...

In transittraj: Reconstruct and Visualize Transit Vehicle Trajectories

Function to quickly validate whether an input shape_geometry meets needs

Description

Checks:

• Class (should be SF, not SFC)

• Geometry type (i.e., is multilinestring)

• Presence of shape_id column, if desired

• Number of shapes present, if desired

• Correct CRS, if desired

Usage

validate_shape_geometry(
  shape_geometry,
  max_length = Inf,
  require_shape_id = TRUE,
  match_crs = NULL
)

Arguments

shape_geometry	SF multilinestring
max_length	numeric of max number of objects in SF
require_shape_id	should shape ID be required in SF?
match_crs	CRS that SF should have

Details

Not intended for external use.

Value

Throws error if not satisfied

transittraj documentation built on Nov. 2, 2026, 1:10 a.m.