View source: R/sp_from_data_frame.R
sp_from_data_frame | R Documentation |
Function to promote a data frame to a SpatialPointsDataFrame, SpatialLinesDataFrame, or SpatialPolygonsDataFrame.
sp_from_data_frame(
df,
type = "points",
latitude = "latitude",
longitude = "longitude",
projection = projection_wgs84(),
keep = FALSE,
id = NA,
warn = TRUE
)
df |
Data frame to be converted into spatial data frame. |
type |
Type of geometry. Type must be one of |
latitude |
|
longitude |
|
projection |
|
keep |
For when type is |
id |
Variable in |
warn |
Should the function raise a warning when observations are removed? |
A SpatialPointsDataFrame, SpatialLinesDataFrame, or SpatialPolygonsDataFrame.
Stuart K. Grange
sp_from_wkt
## Not run:
# Promote to different geometry types
# Points
sp_points <- sp_from_data_frame(data_drawn, type = "points")
# Lines
sp_lines <- sp_from_data_frame(data_drawn, type = "lines")
# Lines with seperate geometries
sp_lines <- sp_from_data_frame(data_drawn, type = "lines", id = "name")
# Polygons
sp_polygons <- sp_from_data_frame(data_drawn, type = "polygons")
# Polygons with seperate geometries
sp_polygons <- sp_from_data_frame(data_drawn, type = "polygons", id = "name")
## End(Not run)
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