Overlays on Google map tiles in R


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Documentation for package ‘RgoogleMaps’ version 1.1.8

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RgoogleMaps-package Utilities to enable overlays on Google Maps
GetMap download a static map from the Google server
GetMap.bbox download a static map from the Google server
GetMap.OSM Query the Open Street Map server for map tiles instead of Google Maps
LatLon2XY computes the coordinate transformation from lat/lon to map tile coordinates
LatLon2XY.centered computes the centered coordinate transformation from lat/lon to map tile coordinates
MapBackground get static Map from the Google server
MaxZoom computes the maximum zoom level which will contain the given lat/lon range
myplot.imagematrix Plotting an imagematrix object
mypolygon simple wrapper function to plot colored polygons
PlotOnStaticMap overlays plot on background image of map tile
PlotPolysOnStaticMap plots polygons on map
qbbox computes bounding box
ReadMapTile Reading a map tile object
RGB2GRAY translates an RGB image matrix to gray scale
RgoogleMaps Utilities to enable overlays on Google Maps
SPGDF2matrix image gridded spatial data, or convert to format for image
Tile2R simple utility to offset and scale XY coordinates with respect to the center
updateusr Updates the 'usr' coordinates in the current plot.
XY2LatLon computes the centered coordinate transformation from lat/lon to map tile coordinates