If sfc_name is the active then the new sfc column replaces it and becomes the active one.
The object.
A character vector of specifying the two columns with the point information.
An integer with the EPSG code, or character with proj4string.
A string of the name of the sfc column to create.
A flag indicating whether to activate the sfc.
A flag indicating if the input coordinates should be retained as columns in the dataframe.
The modified object with the coordinates removed