sfg_point.Rd
constructs sfg POINT object
sfg_point(obj, x = NULL, y = NULL, z = NULL, m = NULL)
obj | matrix or data.frame |
---|---|
x | x geometry column |
y | y geometry column |
z | z geometry column |
m | m geometry column |
sfg
object of POINT geometry
sfg_point( 1:2 )#> [1] 1 2 #> attr(,"class") #> [1] "XY" "POINT" "sfg"sfg_point( 1:3 )#> [1] 1 2 3 #> attr(,"class") #> [1] "XYZ" "POINT" "sfg"sfg_point( 1:4 )#> [1] 1 2 3 4 #> attr(,"class") #> [1] "XYZM" "POINT" "sfg"#> [1] 1 2 3 #> attr(,"class") #> [1] "XYZ" "POINT" "sfg"#> [1] 1 2 3 #> attr(,"class") #> [1] "XYZ" "POINT" "sfg"#> [1] 1 2 #> attr(,"class") #> [1] "XY" "POINT" "sfg"#> [1] 1 3 #> attr(,"class") #> [1] "XY" "POINT" "sfg"