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Extract or Assign from a Track Frame Coordinate Reference System

Source: R/accessor.R
crs.Rd

This function retrieves the crs value from a trackframe object.

Usage

crs(tf)

crs(tf) <- value

Arguments

tf

A trackframe object containing the tracking data.

value

a valid projected crs or NA

Value

A representation of crs extracted from the trackframe. If crs_type is geographic or projected, then crs is a valid input to sf::st_crs. If crs_type is nongeoreferenced, then crs can be any non-null value including NA.

tf with new crs

Examples

crs(tf_mini)
#> [1] "EPSG:32632"
crs(tf_mini) <- NA
crs(tf_mini)
#> [1] NA