I think it needs to check if the .png file already exists. On Sunday, February 26, 2023 at 5:45:11 AM UTC-8 Tom Keffer wrote:
> I was able to reproduce this. > > I've created issue #847 <https://github.com/weewx/weewx/issues/847> to > track. Thanks for the bug report! > > -tk > > On Sat, Feb 25, 2023 at 10:59 PM William Garber <william...@att.net> > wrote: > >> I set skip_if_empty to False. I listed the plots in plot_groups in >> weewx.conf if and only if I wanted to see them (even if empty). This did >> not work. It generated the plots for wind (even though there was no >> data). That is what I wanted. However the index.html.tmpl did not >> recognize the skip_if_empty = False i.e. it still skipped the plot because >> it had not changed. >> >> I made this change to index.html.tmpl in the skin (I customized it) and >> it worked: >> >> #for plot_group in $plot_groups >> #set $show_plot = 0 >> #* >> The plot name is just the concatenation of the period and the plot >> group. >> For example, 'year' + 'tempdew' yields 'yeartempdew'. >> *# >> #set $plot_name = $period + $plot_group >> #for obs in $getobs($plot_name) >> #* garberw commented out to always show plot e.g. not skip_if_empty >> #if $recent.check_for_data($obs) >> *# >> #set $show_plot = 1 >> #* garberw commented out to always show plot e.g. not skip_if_empty >> #end if >> *# >> #end for >> #if $show_plot >> <img src="${plot_name}.png" alt="${plot_name}"/> >> #end if >> #end for >> >> but this is not ideal. >> >> -- >> You received this message because you are subscribed to the Google Groups >> "weewx-user" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to weewx-user+...@googlegroups.com. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/weewx-user/826729ab-f660-4e0c-a0a2-0a9a9bf43147n%40googlegroups.com >> >> <https://groups.google.com/d/msgid/weewx-user/826729ab-f660-4e0c-a0a2-0a9a9bf43147n%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > -- You received this message because you are subscribed to the Google Groups "weewx-user" group. To unsubscribe from this group and stop receiving emails from it, send an email to weewx-user+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-user/5443c94b-8965-4c22-a5a8-786708fd3924n%40googlegroups.com.
