MapBackground: get static Map from the Google server

Description Usage Arguments Value Author(s)

Description

get static Map from the Google server

Usage

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MapBackground(lat, lon, destfile, NEWMAP = TRUE, myTile, zoom = NULL, 


    size = c(640, 640), GRAYSCALE = FALSE, mar = c(0, 0, 0, 0), 


    PLOT = FALSE, verbose = 1, ...)

Arguments

lat
lon
destfile

File to load the map image from or save to, depending on NEWMAP.

NEWMAP

if TRUE, query the Google server and save to destfile, if FALSE load from destfile.

myTile

map tile from previous downloads

zoom

Google maps zoom level.

size

desired size of the map tile image. defaults to maximum size returned by the Gogle server, which is 640x640 pixels

GRAYSCALE

Boolean toggle; if TRUE the colored map tile is rendered into a black & white image, see RGB2GRAY

mar

outer margin in plot; if you want to see axes, change the default

PLOT

if TRUE, leave the plotting to PlotOnStaticMap, highly recommended

verbose

level of verbosity

...

further arguments to be passed to GetMap.bbox

Value

list containing the map tile

Author(s)

Markus Loecher


RgoogleMaps documentation built on May 31, 2017, 2:54 a.m.