use default background color for spatstat plots

Author: ctoney

R/spatstat_helpers.R

@@ -94,13 +94,12 @@
 #' X <- create_fia_ppp(plantation)
 #' summary(X)
 #'
-#' plot(X, pch = 16, background = "#fdf6e3", main = "Loblolly pine plantation")
+#' plot(X, pch = 16, main = "Loblolly pine plantation")
 #'
 #' # plot trees as trees :)
 #' X <- create_fia_ppp(plantation, mark_cols = "SPCD")
-#' plot(X, main = "Loblolly pine plantation",
-#'      shape = "arrows", direction = 90, size = 12, cols = "darkgreen",
-#'      background = "#fdf6e3", legend = FALSE)
+#' plot(X, shape = "arrows", direction = 90, size = 12, cols = "darkgreen",
+#'      legend = FALSE, main = "Loblolly pine plantation")
 #'
 #' # Ripley's K-function
 #' K <- spatstat.explore::Kest(X, rmax = 12, correction = "isotropic")