identify points by clicking on map
download a static map from the Microsoft map tile server
computes the coordinate transformation from lat/lon to map tile coordinates
DF2SpatialPointsDataFrame
change data.frame to SpatialPointsDataFrame
download map tiles from specified map tile servers such as openstreetmap or Google
overlays plot on background image of map tile
Query the Open Street Map server for map tiles instead of Google Maps
plots arrows or segments on map
download a static map from the Google server
converts spatial objects as defined in package sp to simpler PBSmapping type dataframes
plots on map tiles by "stitching" them together
Overlays on Google map tiles in R
add alpha level to color that lacks one
computes the maximum zoom level which will contain the given lat/lon range
plots polygons on map
Plot Levels of a Variable in a Colour-Coded Map
computes the centered coordinate transformation from lat/lon to map tile coordinates
GetMap bbox
Upstate New York Leukemia Data
plots text on map
translates an RGB image matrix to gray scale
get static Map from the Google server
Updates the 'usr' coordinates in the current plot.
simple utility to offset and scale XY coordinates with respect to the center
Read a bitmap image stored in the PNG format
Columbus OH spatial analysis data set
axis with degrees
computes the centered coordinate transformation from lat/lon to map tile coordinates
Create a bubble plot of spatial data on Google Maps
simple wrapper function to plot colored polygons
Pennsylvania Lung Cancer
computes bounding box
easy to use wrapper function
geocoding utility
San Francisco crime data