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