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New Data Viewer Software

Written by Ryan Hunt on .

We are happy to announce an improved HUGnetView featuring averaged data on different timescales.  This is posted to http://data.hugnetlab.com as of now.

This way it loads in much faster, will reduce the bandwidth we need to purchase to serve all the live feeds, and make the data downloads much more manageable in a spreadsheet.  If you currently have a viewer open, you will have to reload your page to get the new features.

Hope this makes it easier for everybody.

BONUS:  We just added a toggle button to turn off all the graph lines!  Isn't this fun?

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0 #7 Ecco 2012-11-16 12:21
The new "Toggle" button should probably be called "Invert channel selection", as that's what it does.
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0 #6 Ecco 2012-11-15 23:14
Another suggestion which however might not be very easy to implement: data caching.

Currently much bandwidth is wasted, especially if the "update with new data" option used, because at every "tick" the entire chosen slice of data is re-downloaded (default: 30 minutes). If only actually new data were added, bandwidth usage would be reduced enormously. Data would be able to be loaded faster and more frequently (currently there's a "tick" every 12 seconds or so) as a benefit, in addition to the bandwidth savings.
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0 #5 Robert Greenyer 2012-11-15 21:03
@Ecco

Good suggestions - Mine were
- Nothing selected means all on
- select one and auto scales graph
- select two and it auto scales and puts first on LHS axis and second on RHS axis for instant relative comparison
- select 3 or more and it represents normalised with chosen sample start at 100%, 1 or zero
- can set axis min/max and also log/lin
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0 #4 Ryan Hunt 2012-11-15 20:44
Problem fixed. It was a problem with the computation interpreter not handling scientific notation. The problem occurred while the power was very close to zero. We are beginning the steps again.
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0 #3 Ryan Hunt 2012-11-15 20:31
Currently data is flowing. We are troubleshooting what appears to be a power metering and calculation problem, though, that is making the P_in look negative and the resistance of the Celani look like it is at 21 ohms.
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0 #2 Ryan Hunt 2012-11-15 20:04
Sorry, problem with the link. There was a space at the end of the address that was throwing it off.

Please share all the new features you can think of here. We plan to open source this software and the programming interface for the data so anyone can make a viewer for it. More details next week.
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0 #1 Ecco 2012-11-15 19:37
I'm glad you left an option to see the raw data ("History"). I find a 30 seconds average to be too harsh for the 30 minutes live data. That means that roughly only 60 data points are fit in the 750 pixel wide chart.

It makes perfectly sense for the 4 and 12 hours options, instead. (4 hours @ 1 datapoint/30 seconds = 480 datapoints).

Perhaps a more sensible option would be making the chart performing the average dynamically so that in the end only 750 datapoints at most are downloaded at once (thus fitting exactly 1 data point for each pixel in the chart's x axis).
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