Create and save spatial objects within the Rstudio IDE. Objects
can then be saved to file types such as .geojson or .shp.
Objects are also output to the console and can be assigned to a variable
using .Last.value. If you wish to pass the output directly to a variable
simply call the addin function, ie. new_sf <- createFeatures().
An existing sf data.frame can also be passed either indirectly by
selecting text in RStudio with the name of the object, or directly by
passing the existing sf object to new_sf <- createFeatures(existing_sf).
When passing an existing sf object you can only add and edit additional features,
the existing features cannot be changed.
createFeatures(SF_OBJECT = NULL)sf object and/or saved to file
sf Simple feature collection