18
votes
6answers
1k views

How to represent an X/Y mood data to a user within a very small space (32x32)?

I'm building a mood tracker app for iPhone and am running into a user experience issue - I would like users to be able to track their moods, along with other events in a vertical "history". The mood ...
1
vote
1answer
151 views

Ideal number of data points per 100 pixels for a chart

If there are too many data points too close together in an image, it can look pretty choppy. In this case, we are tracking number of data points over time; eg 500 per minute, 500 per minute, etc. ...
8
votes
1answer
314 views

How to handle out-of-range data in a realtime plot?

Background I am working on real-time data acquisition and visualization software for a scientific measurement device. The software gathers data from the device, and plots the data in real time. Data ...