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 |