you can do that with dependent filters: 'For advanced usages, you can also bind controls to other controls to establish chains of dependencies.'
dashboard.bind(countryPicker, regionPicker).bind(regionPicker, cityPicker); Find the documentation here: https://developers.google.com/chart/interactive/docs/gallery/controls#6-establish-dependencies at the end of the part 6 If you chain category filters you will have the desired result. -- 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. To view this discussion on the web visit https://groups.google.com/d/msgid/google-visualization-api/e1747e53-5708-4b2a-9871-0fab8b4c4e1f%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
