I believe you could do it using overlays. I haven't tried it but I think it should work.
https://developers.google.com/chart/interactive/docs/overlays On Friday, January 9, 2015 at 12:37:53 PM UTC-8, Vincent Wigh wrote: > > Is there a way to create a phase line, multiple ones hopefully. I need to > look at a chart, and have a vertical phase line of when some event > occurred. Here's an example: > > > -- You received this message because you are subscribed to the Google Groups "Google Visualization API" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/google-visualization-api. For more options, visit https://groups.google.com/d/optout.
