commit c22e487d2bec3329ba55783c1645bb5cc35fb5fe Author: Karsten Loesing <karsten.loesing@gmx.net> Date: Wed Aug 31 16:35:58 2011 +0200 Fix direct-user graphs containing zero users. --- rserve/graphs.R | 7 ++++--- 1 files changed, 4 insertions(+), 3 deletions(-) diff --git a/rserve/graphs.R b/rserve/graphs.R index d1356b4..5a89c96 100644 --- a/rserve/graphs.R +++ b/rserve/graphs.R @@ -631,7 +631,7 @@ plot_direct_users <- function(start, end, country, events, path, dpi) { as.numeric(max(as.Date(u$date, "%Y-%m-%d")) - min(as.Date(u$date, "%Y-%m-%d")))) plot <- ggplot(u, aes(x = as.Date(date, "%Y-%m-%d"), y = users)) - if (events == "on" & country != "all") { + if (length(na.omit(u$users)) > 0 & events == "on" & country != "all") { r <- read.csv( "/srv/metrics.torproject.org/web/detector/direct-users-ranges.csv", stringsAsFactors = FALSE) @@ -654,8 +654,9 @@ plot_direct_users <- function(start, end, country, events, path, dpi) { "https://metrics.torproject.org/", sep = ""), format = date_breaks$format, major = date_breaks$major, minor = date_breaks$minor) + - scale_y_continuous(name = "", limits = c(0, max(u$users, - na.rm = TRUE)), formatter = formatter) + + scale_y_continuous(name = "", limits = c(0, + ifelse(length(na.omit(u$users)) == 0, 0, + max(u$users, na.rm = TRUE))), formatter = formatter) + opts(title = title) print(plot) ggsave(filename = path, width = 8, height = 5, dpi = as.numeric(dpi))