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Start every step with much longer timeouts (until we get the first
response back), but then use shorter timeouts once we have started
receiving data.
This uses up fewer of the ANS files and allows us to get more dives
downloaded before the SDA has to be unplugged to reset communications,
yet at the same time it still improves the overall download time.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Make it less verbose to make it easier to follow the progress along.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This mirrors commit 59929fdb5d2a "Mark divelist changed as we download
dives from a dive computer" which only fixed things for the
libdivecomputer case.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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The GPS parsing and saving was using sscanf and sprintf respecively, and
since it is using floating point values (boo!) that affects both of
them. In a C/US locale, we use a period for decimal values, while most
European locales use a comma.
We really should probably just fix things to use integer values (degrees
and nanodegrees?) but this is the simplest fix/workaround for the issue.
Probably nobody ever really noticed until I tested the Swedish locale
for grins, since we don't have a good way to actually set the GPS
coordinates yet. I've got a few dives with GPS information that I
entered manually.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Most of the dive computers I have access to don't do the whole surface
event thing at the beginning or the end of the dive, so when you merge
two consecutive dives, you got this odd merged dive where the diver
spent the time in between at a depth of 1.2m or so (whatever the dive
computer "I'm now under water" depth limit happens to be).
Don't do that. Add surface events at the end of the first dive to be
merged, and the beginning of the second one, so that the time in between
dives is properly marked as being at the surface.
The logic for "time in between dives" is a bit iffy - it's "more than 60
seconds with no samples". If somebody has dive computers with samples
more than 60 seconds apart, this will break and we may have to revisit
the logic. But dang, that's some seriously broken sample rate.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Commit 38c79d149db0 ("Simplify and clean up dive trip management")
simplified the code a bit *too* much, and removed the check for
"dive->selected".
As a result, trying to delete a dive resulted in *all* dives being
deleted.
Oops.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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"record_dive()" won't do that, since otherwise we'd mark the dive list
changed when we load it from an XML file.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This still can look too busy on shallow long dives with moderate vertical
movement.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This allows zooming in with the scroll-wheel if you have one (or the
two-finger scrolling on a touchpad).
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Prervent tiny temperature changes from being exaggerated in the plot.
Also, shift pressure plot around a bit (if necessary) to prevent it from
ending in the same space as the temperature plato on the profile graph.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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THe Uemis SDA allows the user to set it up for salt water and fresh water
use. We should take this into consideration for the water pressure to
depth conversion.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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In my excitement about extracting these from libdivecomputer I forgot to
actually store them and then parse them again. Oops.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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We generate the average temperature statistics by adding up the
(converted to user unites - not in millikelvin) temperatures and then
dividing by the number of dives we've added up over.
HOWEVER.
We did that summing of the temperatures into an integer variable, even
though the converted temperatures are floating point. So things got
rounded down to integers and the average temperature was just bogus
(although reasonably close).
We could do the summing of the temperatures in millikelvin and only
doing the conversion to the user at the very end. But the smaller patch
is to just change the accumulator to a double value.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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The code in commit f99e1b476b18 "Trim the dive to exclude surface time at
beginning and end" failed rather badly if a dive has no samples at all -
which is true for many of our test dives.
This makes sure that we don't exclude data points if we never set up start
and end times.
Reported-by: Lubomir I. Ivanov <neolit123@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Commit 6c52e8a2e516 ("Add plotting of the deco ceiling") for some
totally unexplained reason deleted one "else" statement, resulting in
some plot events not having a time at all. Which causes various really
odd issues if you hit that situation, including divide-by-zero etc due
to the difference in times between events being nonsensical.
It's just some odd mistake that was entirely unrelated to the other
changes in that commit.
Add the missing line back in.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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I think I prefer the 2.5x zoom over the pure doubling.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This shows the values for all the graphs that are shown (depth,
temperature, tank pressure, pO2, pN2m pHe), but also correctly doesn't
display them when they are turned off or no data is available (prior to
this commit, tank pressure was always shown, even if no pressure samples
were available for the dive).
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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If the surface interval between two dives is more than half an hour,
don't try to call it a single dive. Just the dive profile will be
looking ridiculous.
Things like tank refills etc could also be a good thing to check (again,
the dive profile would look ridiculous), but the cylinder pressure going
up a small amount is actually normal (ie cylinder warming up in warmer
water on the surface). So I don't know what the proper limit for that
would be.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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When we calculate the interval for the tick-marks for the dive, we need
to limit 'i' to be within the size of the array. The code does that
with a "i < 8" check, but the fact is, we must never increment past the
last entry, which is 7 (the size of the array is 8, but the last valid
index is 7).
This only happens for unrealistically long dives. Which you can trigger
either by inputting insane values for a manually created dive, or by
merging two dives that are consecutive, but not close to each other
time-wise (eg on different days ;)
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Linus convinced me that I was wrong to modify his commit 24690ce35f81
"Initial not-so-pretty profile zoom support" and so this changes it back
to use the left mouse button for zooming. It turns out that on some
touchpads there's a very nice way to hold down the click with one finger
and then pan with another finger, but that does not work if you do a two
finger click (and use one of those or a third to pan).
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This extends on our current tooltip logic (which shows events when you
mouse over them) to show tooltips for the whole profile area.
If you mouse over an event, that is still shown in the tooltip, but
even in the absense of events, the tooltip will be active, and mousing
over the profile area will show the time, depth and pressure.
This can certainly be improved upon further, but even in this form it is
useful.
Fixes #9
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This will hopefully not be something we need often, but if we improve
support for a divecomputer (either in libdivecomputer or in our native
Uemis code or even in the way we handle (and potentially discard) events),
then it is extremely useful to be able to say "re-download things
from the divecomputer and for things that were not edited in Subsurface,
don't try to merge the data (which gives BAD results if for example you
fixed a bug in the depth calculation in libdivecomputer) but instead
simply take the samples, the events and some of the other unedited data
straight from the download".
This commit implements just that - a "force download" checkbox in the
download dialog that makes us reimport all dives from the dive computer,
even the ones we already have, and an "always prefer downloaded dive"
checkbox that then tells Subsurface not to merge but simply to take the
data from the downloaded dive - without overwriting the things we have
already edited in Subsurface (like location, buddy, equipment, etc).
This, as a precaution, refuses to merge dives that don't have identical
start times. So if you have edited the date / time of a dive or if you
have previously merged your dive with a different dive computer (and
therefore modified samples and events) you are out of luck.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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You can press the left mouse-button on the profile and drag the mouse
around to zoom in on a specific area. Releasing the mouse button unzooms.
Yeah, everybody wants rubber-banding, but I have reached the end of my
willingness to fight gtk for more details. Some day.
[Dirk Hohndel: changed this to use the right mouse button instead of the
left which seemed just terribly unnatural]
References ticket 9
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This just makes sure that the merged dive is properly selected, and
that we've saved the trip tree state so that the dive list repaints
nicely and with the newly merged dive selected after the merge.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Just that trivial, simple and cosmetic thing.
Signed-off-by: Salvador Cuñat <salvador.cunat@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Simply add a dive option on bigger surface, whith bigger fonts.
The size isn't A4 nor A5, but the size used by some popular paper
divelogs.
The modification performs better if we transpose the profile and
the text of the dive, because, if the notes are very brief,we get
an excess of white space at the bottom of the print.
Signed-off-by: Salvador Cuñat <salvador.cunat@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This introduces the notion of merging two disjoint dives: you can select
two dives from the dive list, and if the selection is exactly two dives,
and they are adjacent (and share the same dive trip), we support the
notion of merging the dives into one dive.
The most common reason for this is an extended surface event, which made
the dive computer decide that the dive was ended, but maybe you were
just waiting for a buddy or a student at the surface, and you want to
stitch together two dives into one.
There are still details to be sorted out: my Suunto dive computers don't
actually do surface samples at the beginning or end of the dive, so when
you stitch two dives together, the profile ends up being this odd "a
couple of feet under water between the two parts of the dive" thing.
But that's an independent thing from the actual merging logic, and I'll
work on that separately.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This just re-organizes the dive merging code so that we expose a new
"merge_dives(a, b, offset)" function that merges two dives together into
one with the samples (and events) of 'b' at the specified offset after
'a'.
We'll want to use this if a dive computer has decided that the dive
ended (due to a pause at the surface), but we really want to just turn
the two computer dives into one long one with an extended surface swim.
No functional changes, but some independent cleanups due to the trip
simplifications.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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We don't change any of the samples, we just don't plot (or consider for
dive time / mean calculations) the samples at the beginning or end of the
dive that are less than a certain threshold under water. Right now that's
an arbitrary 75cm which seems to Do The Right Thing(tm) for the dives I
tried this with - but I'm happy to look at other values if this causes
problems for people with dive computers I do not have access to.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Make depth to absolute pressure conversions consistent.
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This ensures that we use consistent math to get the absolute pressure at a
certain depth.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Add the bookmark and heading events to the list of events not to be
simplified just because they are redundant - in both cases they are
about the user doing something explicit (like the gaschange), so even
if the data is otherwise identical, they should likely be saved.
That said, both events are kind of pointless (we don't actually seem
to save the heading value for the heading events, and bookmarks are
universally just due to user error in at least my case). But still..
This overly aggressive filtering was introduced in commit 6ad73a8f043b
("Improve logic handling events").
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This adds a couple of helper functions to manage dive trips
("add_dive_to_trip()" and "remove_dive_from_trip()") and makes those
functions do the trip statistics maintenance (trip beginning times,
number of dives, etc).
This was needed because the dive merge cases for multiple dive
computers showed some rather nasty special cases: especially if the
new dive information has been loaded into an XML file with trips
auto-generated, merging several of these kinds of xml files with
multiple dives in several overlapping trips would completely confuse
our previous code.
In particular, auto-generated trips that had the exact same date as
previous trips (because they were generated from the same dive
computer) really confused the code that used the trip timestamp to
manage the trips.
Adding the helper functions allows us to get the general case right
without having to have each piece of code that handles trip
information having to bother about all the odd rules. It will
eventually also allow us to make the dive trip data structures more
logical: right now the dive trip list is largely designed around the
odd gtk model handling, rather than some more higher-level conceptual
relationship with the actual dives.
But for now, this keeps all the data structures unchanged, and just
modifies them using the new helper functions.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This requires a patched libdivecomputer that can return salinity of the
water the dive was conducted in. Experimental patches exist that implement
this for the OSTC. The code is designed so that it simply defaults to salt
water if libdivecomputer doesn't include the feature.
The patch also fixes the dive merge code to merge two other recent
additions to the dive structure (surface_pressure and visibility).
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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The tec diving preference pane now allows us to set a partial pressure
threshold for each of the three gases. When the partial pressure surpasses
that value, the graph becomes red.
Fixes #12
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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The default filename handling is broken in two different ways:
(a) if we start subsurface with a non-existing file, we warn about
the inability to read that file, and then we exit without setting the
default filename.
This is broken because it means that if the user (perhaps by mistake,
by pressing ^S) now saves the file, he will overwrite the default
filename, even though that was *not* the file we read, and *not* the
file that subsurface was started with.
So just set the default filename even for a failed file open.
The exact same logic is true of a failed parse of an XML file that we
successfully opened. We do *not* want to leave the old default
filename in place just because the XML parsing failed, and possibly
then overwriting some file that was never involved with that failure
in the first place. So just get rid of all the logic to push the
filename saving into the XML parsing layer, it has zero relevance at
that point.
(b) if we do replace the default filename with a NULL file, we need
to set that even if we cannot do a strdup() on the NULL.
This fixes both errors.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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When we fill the cylinder information in an imperial unit world, a
working pressure of zero is a special case, and forces us to use the
actual physical size of the cylinder in liter, despite the fact that
we normally would use cuft.
However, we compare that value against zero in a 'double', and in
between going through the gtk spinbutton logic, the zero we have
filled in then gets read out as some very tiny epsilon value from the
gtk spinbuttons (typically in the 10**-317 range). This causes us to
think that the zero isn't actually a zero, because gtk has done odd
things with it.
Fix this by calculating the millibar value (as an integer) first, and
check that *integer* against zero. Any crazy epsilon values will have
been rounded away, and our logic works again.
There's a good reason why subsurface does everything using integers
(ie the afore-mentioned "convert to integer millibar" etc) and doesn't
use floating point for any core data structures, only for conversion.
FP rounding and inexact behavior can be really subtle.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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When we merge dives where the samples have come from different dive
computers, the samples may be offset from each other due to the dive
computers not having decided that the dive starts at quite the same
time.
For example, some dive computers may take a while to wake up when
submerged, or there may be differences in exactly when the dive
computer decides that a dive has started. Different computers tend to
have different depths that they consider the start of a real dive.
So when we merge two dives, look for differences in the sample data,
and search for the sample time offset that minimizes the differences
(logic: minimize the sum-of-square of the depth differences over a
two-minute window at the start of the dive).
This still doesn't really result in perfect merges, since different
computers will give slightly different values anyway, but it improves
the dive merging noticeably. To the point that this seems to have
found a bug in our Uemis data import (it looks like the Uemis importer
does an incorrect saltwater pressure conversion, and the data is
actually in centimeter, not in pressure).
So there is room for improvement, but this is at least a reasonable
approximation and starting point.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This enables plotting the ceiling in deco dives and also adds the
necessary code to the uemis importer. The only other dive computer this
has been tested with the OSTC and that needs a libdivecomputer patch in
order to provide the deco/ceiling information to Subsurface.
Fixes #5
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We now throw away redundant events, just as we throw away other redundant
data coming from the dive computer. Events are considered redundant if
they are less than 61 seconds apart and identical.
This also improves the display of the remaining events in the profile as
we now show the value of the event, if it is present (for example for a
deco event we show the duration of the deepest stop).
Finally, for events that define a range (so they set the beginning flag
and assume and end flag some time later) we no loger show the triangle but
assume that some other code handles visualizing them (as happens for the
ceiling events).
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This is actually stored in minutes (which seems odd, given they allocate
16 bits for it... how much deco do these people want to be prepared for??)
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This has been around for a loooong time, I just happened to stamble across
it when reading the code...
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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The dive data contains the surface pressure prior to the dive, and that is
what we need to compare p_amb_tol to, not the standard 1013mbar.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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The hold_depth field is rather misleading as it normally gives the safety
stop depth and only when the p_amb_tol goes "below the surface" does it
switch to showing the first deco stop depth.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Based on suggestions from Linus (and a few iterations) we now simply have
the surface (i.e., background color / pattern) come down to where the
ceiling is. And we only do the angry red shading when the diver violates
the ceiling.
I think this looks much better.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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When the user closes the divelist and starts with an empty file it makes
no sense to assume that she only wants to download new dives since the
last time dives have been downloaded. So if the current divelist is empty
we ignore that information and start from the beginning again.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Plot a red-shaded area on top of the depth profile to indicate the deco
ceiling (i.e., the area into which it isn't save to ascend at this point
of the dive.
So far this is of very limited use as libdivecomputer doesn't give us the
necessary information to plot this. I have sent patches for the OSTC to
Jef, hoping that he will include them in an update. I don't know how many
other dive computers will make this data available - I still need to add
this to our native Uemis support.
This commit also fixes two cut and paste errors in the previous commit
6540be9bd924 "Process ceiling events and store ceiling data in plot_info".
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This just creates the infrastructure but doesn't yet do anything useful
with the data.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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We used to have very spotty logic for picking the dive trip when
merging two dives. It turns out that that spotty logic almost never
really matters, because in practice you'll never hit the situation of
merging two dives with different dive trips, but it *can* happen.
In particular, it happens when you use multiple dive computers, and
end up loading the dives from one computer on top of the dives of your
other computer. If the clocks of the dive computers was set
sufficiently close to each other, the dive merging logic will kick in
and you may now have slightly different times for the dives that get
merged, and the trip merging logic got *really* confused.
The trip management also depends on the trip dates being updated
correctly when the dives associated with a trip are updated (whether
added or removed), and the trip merging code did none of that.
This fixes it all up. Hopefully correctly.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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The existing implementation failed on dive computers that did gas changes
based on events (instead of tracking them in the sample data like the
Uemis Zurich does that I tested the code with).
This commit moves the calculations slightly later in create_plot_info()
after the gas change events are processed and the plot_info data has been
fixed up. Now this works with the data from Linus' Suunto as well.
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Dirk Hohndel
Linus Torvalds
Salvador Cuñat