Good day! Asking for Your help in this matter: Build a graph of the values stored in the database with two columns(0:time when the event occurred (displayed in HH:mm:ss) 1: the duration of this event), get this:
The scale along the X-axis is arbitrary.
You need to make the scale along the X-axis in hours from 0 to 24, but to see the intensity depending on the time of day.
Tell me how can I do that? With all the richness of the description, the answer to this question I found :(