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express relations between nodes in human understandable notation #3676
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@josh-m-sharpe the color of the edge should already give you a good extimation of the quality of the communication cc @AlCalzone |
https://en.wikipedia.org/wiki/DBm answers the first 2 questions:
Negative values mean we're dealing with powers less than 1 mW.
Higher values (closer to 0) are better, but you likely won't get anywhere close to 0.
Unfortunately, we can't. While there seems to be a link quality indicator in the underlying radio library, the Z-Wave firmware does not expose it for reasons I don't know. I guess treating them as additional information is the best way to go about them. The route colors already indicate how good a route is, since better routes support higher speeds. If a route is using a lower speed, these numbers may be able to tell you if the first or second hop is a problem for example. Adding an explanation to the legend could be helpful though: that they range from roughly -100 to roughly -30, where values closer to 0 are better. |
Ok I could add that to the legend if it can help |
Problems:
"dBm" ?
Why is it negative?
Is lower better?
Since it's negative is lower really actually better or is it the inverse?
Solution:
I suspect this UI is attempting to express how good of a connection nodeA has to nodeB. If that's the case(?) might it be better to express that as percent? 100% being awesome. 0% being... not awesome. If not percent then maybe some other scale that is simple?
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