CODEWITHSUNDEEP
google-visualization
Rod
Rod

Reputation: 363

google charts with two curves not aligned with the time

I want to display 2 curves. To show temperatures in 2 rooms. X-axis is the time. The time is at the level of the minute. so I see the chart for one day. THe temeprature is logged when it changes only. So if the temperature is the same during 12 hours, I have no value during 12 hours. It means thet temperature of the 2 rooms is not reported at the same time. With google chart I have to do something like:

However, when I read my data, at 10:33AM I have a value reported for temp_room1 only since the temperature did not change in room2. So If I follow google chart rule, I have to set the temperature of room2 to the previously known temperature for this room! This is cumbersome.

Do I have another means? I was thinking about this:

Which is easy for me, it is natural as it maps to the reality (the log I have out of my database). Any idea?

thanks, rod

Upvotes: 1

Views: 66

Answers (1)

asgallant
asgallant

Reputation: 26340

You don't have to set the value for room 2 at 10:33AM, just use null, and the in the chart's options, set the interpolateNulls option to true.

Upvotes: 1

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