sf_proj_as_ray: Modify sf data to plot over rayshader
In statnmap/maps2ray: Transform Maps Objects To Be Used With Rayshader

Modify sf data to plot over rayshader

1 2	sf_proj_as_ray(r, sf, z_pos = 1, zscale = 10, as_sf = TRUE, groups = TRUE, crop = TRUE)

`r`	original raster used in rayshader
`sf`	sf object to add on plot (with or without z column)
`z_pos`	z-position of the sf on the 3d map if not in dataset
`zscale`	if z-column existed in the dataset
`as_sf`	Logical. Return sf object or not
`groups`	Logical. Whether to group coordinates in blocks according to original structure.
`crop`	Whether to crop sf object to extent of raster