On 2018-12-05 17:17, Long, Martin wrote:
I've noticed some problems with the import of gases on Shearwater
computers. There are possible 2 issues here, but these seem to be
related.
1) I just imported 4 dives from last weekend, all CCR. The first 3
were on 13/60 diluent and the last one on 15/57. However, it put all
of the divers in as 15/57, which seems to just be the last diluent
set. The Shearwater cloud software does identify the correct gas used
at the start of the dive.
2) I'm using two transmitters on a Perdix AI. Transmitter 1 is on my
diluent, and transmitter 2 on my oxygen. On import it seems to
correctly associate my transmitter one with the diluent (apart from
the error in 1 above). Now, providing I don't do any gas switches
(e.g. a bailout) then transmitter 2 I can simply set up as 100% O2.
However, if I do a gas switch, the software automatically assigns this
gas switch to cyl 2, and so it becomes associated with the transmitter
data.
I now have 2 choices... Either I can enter a new gas of 100% and
manually type the start and end pressure - however I cannot remote it
from cyl 2. Or, I can set cyl 2 as 100%, and add a new one for my
baiout gas. However this then means the cylinder swtich then points at
the wrong gas, and will say I switched to 100% on my bailout!
I don't have a solution to this. As the import process has no manual
intervention, it would be tricky to have a solution which works. My
suggestion would be to treat transmitters and gas swtiches as
completely separate cylinders, and then allow the user to "merge" them
later. The current assumption that transmitter 1 will be the first
gas, and transmitter 2 will be the next one is incorrect.
By the way, the ability to merge the 2 profiles from my Petrel
controller, and Perdix backup (with AI) is excellent! and works really
well.
Can you send us the subsurface and libdivecomputer logfiles of a (full)
download? That will allow us to have a look at the raw data, and see
where or what is going wrong.
PS: The shearwater protocol doesn't support memory dumps, but I can
extract the raw dive data from the download log.
Jef
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