#' Installation instructions for scplot
#'
#' scplot is a new extended plotting interface for scan based on ggplot2.
#' It is not yet implemented into scan or available on cran and must be
#' installed from github. This functions gives instructions how to do this.
#'
#' @export
#' @keywords internal
install_scplot <- function() {
devtools <- .is_installed("devtools")
scplot <- .is_installed("scplot")
if (!scplot) {
cat("The 'scplot' package is not installed.\n")
if (!devtools) {
cat("\nTo install scplot, you first need to install devtools with:\n")
cat('install.packages("devtools")')
}
cat("\n")
cat("\nNow you can install scplot with:\n")
cat('devtools::install_github("jazznbass/scplot")\n')
cat("\nSorry, but that's the way :-)\n")
cat("\n")
if (Sys.info()['sysname'] == "Windows") {
cat("As a Windows users, you will also need to install Rtools.\n")
cat("You can download and install it from:\n")
cat("https://cran.r-project.org/bin/windows/Rtools/\n")
cat("Note: I cannot check if you already have rtools installed.\n")
cat("So this information may be superfluous.\n")
}
} else cat("Type library(scplot) to start scplot")
}
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