A 'sfc_GEOMETRYCOLLECTION' of four-cornered triangles ('POLYGON') created by ear cutting the North Carolina polygon from sf.

Examples

TRI0(ear_gc)
#> class       : TRI0
#> type        : Primitive
#> vertices    : 72 (3-space)
#> primitives  : 24 (2-space)
#> crs         : NA