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fortify.sp

Fortify method for classes from the sp package.

Description

To figure out the correct variable name for region, inspect as.data.frame(model).

Usage

## S3 method for class 'SpatialPolygonsDataFrame'
fortify(model, data, region = NULL, ...)

## S3 method for class 'SpatialPolygons'
fortify(model, data, ...)

## S3 method for class 'Polygons'
fortify(model, data, ...)

## S3 method for class 'Polygon'
fortify(model, data, ...)

## S3 method for class 'SpatialLinesDataFrame'
fortify(model, data, ...)

## S3 method for class 'Lines'
fortify(model, data, ...)

## S3 method for class 'Line'
fortify(model, data, ...)

Arguments

model

SpatialPolygonsDataFrame to convert into a dataframe.
data

not used by this method
region

name of variable used to split up regions
...

not used by this method

Examples

if (require("maptools")) {
 sids <- system.file("shapes/sids.shp", package="maptools")
 nc1 <- readShapePoly(sids,
   proj4string = CRS("+proj=longlat +datum=NAD27"))
 nc1_df <- fortify(nc1)
}
ggplot2

Create Elegant Data Visualisations Using the Grammar of Graphics

v3.3.3
MIT + file LICENSE
Authors
Hadley Wickham [aut] (<https://orcid.org/0000-0003-4757-117X>), Winston Chang [aut] (<https://orcid.org/0000-0002-1576-2126>), Lionel Henry [aut], Thomas Lin Pedersen [aut, cre] (<https://orcid.org/0000-0002-5147-4711>), Kohske Takahashi [aut], Claus Wilke [aut] (<https://orcid.org/0000-0002-7470-9261>), Kara Woo [aut] (<https://orcid.org/0000-0002-5125-4188>), Hiroaki Yutani [aut] (<https://orcid.org/0000-0002-3385-7233>), Dewey Dunnington [aut] (<https://orcid.org/0000-0002-9415-4582>), RStudio [cph, fnd]
Initial release

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