sf.polys {RapidPolygonLookup}

Spatial polygons of San Francisco

Description

Cropped spatial polygons from California Census tracts bounded between San Francisco limits

Usage

data(sf.polys)

Format

A list object with the following elements:

data

data frame retained from California tracts object of class SpatialPolygonsDataFrame

polys

PolySet object from PBSmapping containing the spatial polygons

poly.centers

PolyData object from PBSmapping containing the polygon centroids

Details

This object is created from a function of CropSpatialPolygonsDataFrame() from the RapidPolygonLookup package

Source

http://cran.r-project.org/web/packages/UScensus2010/index.html

References

Zack W. Almquist (2010). US Census Spatial and Demographic Data in R: The UScensus2000 Suite of Packages. Journal of Statistical Software, 37(6), 1-31. URL http://www.jstatsoft.org/v37/i06/

Examples

data(sf.polys, envir = environment())
plotPolys(sf.polys$polys)