Date time tooltips show different times than axis #772
Description
Hi,
I'm using the ggplotly for the convenience of exploring plots produced with ggplot. I noticed that when having a datetime axis, the tooltip does not show the original date in data, but converts it to what seems to be the system time zone.
library(lubridate)
library(ggplot2)
library(plotly)
a <- seq(from=ymd_hms("2016.06.16 16:16:16"), by="mins", length.out=10)
# By default the dates were created in UTC, my system time is CEST
# [1] "2016-06-16 16:16:16 UTC" "2016-06-16 16:17:16 UTC" "2016-06-16 16:18:16 UTC" "2016-06-16 16:19:16 UTC"
# [5] "2016-06-16 16:20:16 UTC" "2016-06-16 16:21:16 UTC" "2016-06-16 16:22:16 UTC" "2016-06-16 16:23:16 UTC"
# [9] "2016-06-16 16:24:16 UTC" "2016-06-16 16:25:16 UTC"
b <- 1:10
my_df <- data.frame(a, b)
p <- ggplot(data=my_df, aes(x=a, y=b))+geom_point()
ggplotly(p)
This is the result:
You see that the tooltip does not match the axis. This makes the exploration very hard because the displayed dates don't match what is in the data. I expect the tooltip to show me what is in the dataframe without any automatic conversions.
My session info:
> sessionInfo()
R version 3.3.1 (2016-06-21)
Platform: x86_64-w64-mingw32/x64 (64-bit)
Running under: Windows 7 x64 (build 7601) Service Pack 1
locale:
[1] LC_COLLATE=German_Germany.1252 LC_CTYPE=German_Germany.1252 LC_MONETARY=German_Germany.1252
[4] LC_NUMERIC=C LC_TIME=German_Germany.1252
attached base packages:
[1] stats graphics grDevices utils datasets methods base
other attached packages:
[1] plotly_4.5.2 ggplot2_2.1.0 lubridate_1.6.0
loaded via a namespace (and not attached):
[1] Rcpp_0.12.7 magrittr_1.5 munsell_0.4.3 colorspace_1.2-6 viridisLite_0.1.3 R6_2.1.3
[7] stringr_1.1.0 httr_1.2.1 plyr_1.8.4 dplyr_0.5.0 tools_3.3.1 grid_3.3.1
[13] gtable_0.2.0 DBI_0.5-1 htmltools_0.3.5 yaml_2.1.13 lazyeval_0.2.0 assertthat_0.1
[19] digest_0.6.10 tibble_1.2 purrr_0.2.2 tidyr_0.6.0 base64enc_0.1-3 htmlwidgets_0.7
[25] labeling_0.3 stringi_1.1.2 scales_0.4.0 jsonlite_1.1