How to import a shape file into R?
ESRI shape files can easily be imported into R by using the function readOGR() from the rgdal package. raster. Another possible way of importing shapefiles is via the raster library and the shapefile function: Note how the path definition is different from the rgdal import statement.
How to import and export shapfiles in R?
With the rgdal package it is possible to import and export shapfiles with R. The function readOGR can be used to imports shapfiles. If you want to import a file from e.g. ArcGIS the first argument dsn is the path to the folder which contains the shapefile. layer is the name of the shapefile without the file ending (just map and not map.shp ).
How to import and export shapefiles from ArcGIS?
The function readOGR can be used to imports shapfiles. If you want to import a file from e.g. ArcGIS the first argument dsn is the path to the folder which contains the shapefile. layer is the name of the shapefile without the file ending (just map and not map.shp ).
Why are my shapefiles not saving with R?
” Warning 1: Value 898180869.274000049 of field SHAPE_Area of feature 15 not successfully written. Possibly due to too larger number with respect to field width” This meant that the identical () test was FALSE, but since I am not using SHAPE_Area is not an issue for my current results.
Can you save a shape file in ggplot2?
The problem is that your map2 object is no longer a shapefile and therefore you cannot save it as a shapefile. The fortify command converts the data slot of the shape file ( map@data) to data.frame object to be used for mapping purposes. ggplot2 cannot handle objects of class sp (spatial polygon i.e. shape files).
How to export a spatial dataset in R?
How to export spatial datasets in R, such as tornados dataset in GISTools package, as a shapefile with the exact same spatial reference and the exact values? “SpatialLinesDataFrame” to “shapefile”. Wesley’s answer is correct. So to specifically export the tornado data you need to do:
Can a shapefile be saved as a drive?
I don’t know how to get the drive. Some solution? The problem is that your map2 object is no longer a shapefile and therefore you cannot save it as a shapefile.