R/help.R

In fresques/ggmap: Spatial Visualization with ggplot2

#' @import ggplot2 proto RgoogleMaps png plyr reshape2 rjson mapproj
#'   jpeg geosphere bitops
#' @docType package
#' @name ggmap
#' @importFrom grDevices as.raster extendrange gray rgb
#' @importFrom stats time asOneSidedFormula
#' @importFrom utils URLencode download.file tail
#' @importFrom grid rasterGrob seekViewport grid.locator upViewport downViewport current.vpTree current.vpPath
#' @importFrom scales expand_range
#' @importFrom dplyr bind_cols filter bind_rows
#' @aliases ggmap package-ggmap
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