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PostPosted: Tue Apr 17, 2018 7:21 am 
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Joined: Sun Sep 09, 2012 5:20 pm
Posts: 12
Location: Perth, Western Australia
Dive Computer: Petrel/Predator/Cblt
Hi there,

Is there any upcoming support/feature planned for the dual transmitters supported by Shearwaters (NERD2 and Perdix AI) ? I dive with a CCR and have a transmitter connected both to Diluent and Oxygen tanks. Both tanks are consumed at the same time so would be great to see both of their pressures as the dive progresses. I can provide data from each computer type if you need sample data.

I'm also starting to notice the coloured spinning wheel while certain actions are being performed as my data grows. I'm currently at 1250+ dives in the database with 1050 hours of sampling data. Any thoughts there?

Still loving MacDive after god knows how many years now ;-) still the best dive logging software on any platform by far!

thanks,
Paul


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PostPosted: Tue Apr 17, 2018 8:50 am 
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Joined: Sat Apr 12, 2008 8:33 am
Posts: 3621
Dive Computer: Shearwater Perdix AI
Somewhat planned, it's more a case of how people want this displayed - one combined pressure, or two separate ones (as you seem to want). It's a bit more work - new profile format, extra UI features, etc.

From memory the Shearwater doesn't let you know which tank had what gas. So you can display two pressures, or one combined, but not associate them to a gas. You'd really just have two pressure graphs

Performance wise, it's hard to say without knowing which actions specifically you are referring to. If you want to email me your data file and give me some reproducible cases that exhibit slowness then I'm happy to take a look at making any optimisations that I can - for the most part issues like this are primarily because I am not aware of them and have therefore not addressed them.

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PostPosted: Tue Apr 17, 2018 4:54 pm 
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Joined: Sun Sep 09, 2012 5:20 pm
Posts: 12
Location: Perth, Western Australia
Dive Computer: Petrel/Predator/Cblt
Hi Nick - My preference would be two separate ones as they're two separate tanks and gases in my situation (vs two on the same tank/twins).

That's correct - you don't specify which transmitter is monitoring which gas - you have T1 and T2. I've chosen to have DIL as T1 as that is that primary mix/gas which Shearwater does provide. And T2 for O2.

Two pressure graphs would be ideal and if you could say graph 1 is for tank 1 and graph 2 is for tank 2 that would be great. I currently apply the dive time 00:00 to 00:00 for tank 1 and dive time 00:00 to xx:xx for tank 2 (o2) and the reason for that is so that I can determine my metabolic O2 rate.

I'll email you the sqlite file if you'd like - do you have a preferred email address. I'll also come up with the scenarios but it happens (the spinning wheel) when clicking between most fields to be honest.


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PostPosted: Tue Apr 17, 2018 5:24 pm 
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Joined: Sat Apr 12, 2008 8:33 am
Posts: 3621
Dive Computer: Shearwater Perdix AI
Nothing really happens when you click between two fields, unless potentially you were editing tens of thousands of things at once and bulk changing them. I would need to see your data with a specific example to investigate.

What kind of hardware are you using, and what version of macOS?

I will try and get to the multi-transmitters soon, I'm just kind of tied up with some higher priority stuff right at the minute.

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