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The mean depth now is plotted correctly.
I wanted to do more stuff on this commit, but since
it required that a few things on profile.c got moved
to profile.h, commited to not have a huge blob for review.
Signed-off-by: Tomaz Canabrava <tcanabrava@kde.org>
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The first plotting method was removed from profile.c
to profilegraphics.cpp and some conversion ( almost 1 to 1 )
was made so that the code could work.
Since the code is big - this commit has just a part of it
working - it plots the grid. but already works for testing
the resizing of the window and Zooming ( unimplemented )
Signed-off-by: Tomaz Canabrava <tcanabrava@kde.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Started working on the Qt version of the Plot, initially
nothing is printed - but this is not a bad thing,
the program doesn't explodes too. :)
some work had to be done about the 'bool/gboolean' stuff
so I removed all gbooleans in the code that I'v encountered.
A new file was created ( profile.h ) so I could put the
signatures of helper methods that cairo used to call.
till now the code computes the max limits.
Next patch the first drawing will be made.
Signed-off-by: Tomaz Canabrava <tcanabrava@kde.org>
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The colors on colors.h were done to fill a special
struct by Subsurface - I removed that structure and
replaced the code that generated the map of colors
to a QMap. I know that this changes are not very
'welcomed', but C++ has issues on creating & initializing
complex static members, this was the best way that I could
think of.
Signed-off-by: Tomaz Canabrava <tcanabrava@kde.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Doing this on Arch Linux with gcc 4.8.0 helped find one real bug.
The rest are simply changes to make static functions externally visible
(as they are kept around to eventually become helpers used by Qt) which
for now avoids the warnings.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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- rip all Gtk code from qt-gui.cpp
- don't compile Gtk specific files
- don't link against Gtk libraries
- don't compile modules we don't use at all (yet)
- use #if USE_GTK_UI on the remaining files to disable Gtk related parts
- disable the non-functional Cochran support while I'm at it
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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The pressure interpolation code mostly worked for the simple cases, but
got terminally confused for some more complex gas change situations,
resulting in nonsensical interpolations.
This simplifies and clarifies the code a bit, and in the process fixes a
few special cases where the gas interpolation segments didn't end up
having the end conditions set.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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They do the "02=0 means air" thing autmatically, and make for less
typing. So use them more widely in places that looked up the o2 and he
permille values of a gasmix.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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get_cylinder_index() looks up which cylinder to use based on the
gaschange event that describes the mix. However, it was both buggy and
not very good.
It was buggy because it didn't understand about our air rules, and it
was not very good because it required an exact match (after rounding our
permille-based numbers to percent).
So fix it to use the right permille values, and look for a closest match
(using the normal sum-of-squares distance function - although I wonder
if we should consider helium percentages to be "more important" and give
them a stronger weight).
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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.. so that different computers that have different ordering of the same
cylinders will see the end result the same way.
This also fixes up the sample sensor index and generates special initial
tank change events for the dive computers that had their cylinder
indexes renamed on them.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Some colors such as the ones for ceiling were still green on B/W
print. This patch makes all colors in the second row
of profile.c:profile_color monochrome.
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Also make the profile border color the same as the depth grid color.
Fixes #97
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This replaces the hardcoded sizes all over the sources.
Make the size in the text_render_options_t a double - With this you can
compile Subsurface with
make CLCFLAGS=-DTEXT_SCALE=1.5
and the fonts in the profile are 50% bigger. Very nice on a high-pixel
density display.
Also remove the unused text_render_options for event text.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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As logical extension of the ability to add bookmarks and gas changes this
adds the ability to remove (any arbitrary) event that happens at the mouse
position (specifically, that is within +/- six (scaled) pixels around the
x-position (time) of the mouse). That's the same width that the triangle
marker occupies which was moved to be centered around the event time in
commit 5752e9742e86 ("Finetune event triangle position to have the top
point at the event time").
Fixes #60
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This should make it easier to then delete events from the context menu.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This is completely bogus as all it does is print out the corresponding
time for the spot we right-clicked on the profile. But that at least shows
that the infrastructure is working as intended...
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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- Add a button and callback to the print dialog to let the user select
color printing.
- Add a state variable to the options struct to track the users choice.
- Use a darker color for the grid on dive plot; that way we can see it.
- Default to use color printing.
Signed-off-by: Amit Chaudhuri <amit.k.chaudhuri@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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A couple of these could clearly cause a crash just like the one fixed by
commit 00865f5a1e1a ("equipment.c: Fix potential buffer overflow in
size_data_funct()").
One would append user input to fixed length buffer without checking.
We were hardcoding the (correct) max path length in macos.c - replaced by
the actual OS constant.
But the vast majority are just extremely generous guesses how long
localized strings could possibly be.
Yes, this commit is likely leaning towards overkill. But we have now been
bitten by buffer overflow crashes twice that were caused by localization,
so I tried to go through all of the code and identify every possible
buffer that could be affected by this.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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this patch adds a 3rd column to the media array of rgba so we now have one
each for screen, b/w & color printing. I have defaulted to using the
same color printing & screen, but this can be altered anytime.
I have checked that the application still compiles and prints. The print
out (colour option selected) shows the deco ceiling steps in pink but
everything else appears grey scale. Further work will be required to apply
the colours to the print out, although I'm not yet sure what that involves.
Signed-off-by: Amit Chaudhuri <amit.k.chaudhuri@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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We create a fake divecomputer in order to draw a reasonable profile, but
when setting that up we used an empty divecomputer instead of starting
with the one that we have. This lost data (e.g., the model name of the
dc).
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This creates a helper function called "gas_volume()" that takes the
cylinder and a particular pressure, and returns the estimated volume of
the gas at surface pressure, including proper approximation of the
incompressibility of gas.
It very much is an approximation, but it's closer to reality than
assuming a pure ideal gas. See for example compressibility at
http://en.wikipedia.org/wiki/Compressibility_factor
Suggested-by: Jukka Lind <jukka.lind@iki.fi>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Uses profile.c:evn_foreach() to retrieve the number of events, which
if zero, no table is added in the dialog and the label is added instead.
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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GET_LOCAL_SAC did not check if the two entries had different time stamps
and could therefore cause a divide-by-zero. x86 doesn't fault on that -
it's still wrong. This now calls a function that does proper checking of
all the values involved in the calculation.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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While the profile switched between different divecomputers, the Dive Info
notebook always showed either information from the first divecomputer or
(with some of the recent changes) information that had been collected from
all divecomputers and somehow consolidated for the dive.
With this commit we now show the data from the same divecomputer that is
also shown in the profile (which means if some data is available from one
of the divecomputers and not from another that will be correctly reflected
in the Dive Info notebook as the user cycles through the divecomputers.
This does beg the question if we should have some kind of "best data
available, considering all divecomputers" mode - but that's definitely not
something I'll tackle prior to 3.0.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Populate during dive fixup as the maximum depth shown by all the
divecomputers. Use this value (instead of the one in the first
divecomputer) in printing, statistics, etc.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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In commit b6c9301e5847 ("Move more dive computer filled data to the
divecomputer structure") we moved the fields that get filled in by the
dive computers to be per-divecomputer data structures.
This patch re-creates some of those fields back in the "struct dive",
but now the fields are initialized to be a reasonable average from the
dive computer data. We already did some of this for the temperature
min/max fields for the statistics, so this just continues that trend.
The goal is to make it easy to look at "dive values" without having to
iterate over dive computers every time you do. Just do it once in
"fixup_dive()" instead.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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There are two ways to look at surface pressure. One is to say "what was
the surface pressure during that dive?" - in that case we now return an
average over the pressure reported by the different divecomputers (or the
standard 1013mbar if none reported any).
Or you want to do specific calculations for a specific divecomputer - in
which case we access only the pressure reported by THAT divecomputer, if
present (and fall back to the previous case, otherwise).
We still have lots of places in Subsurface that only act on the first
divecomputer. As a side effect of this change we now make this more
obvious as we in those cases pass a pointer to the first divecomputer
explicitly to the calculations.
Either way, this commit should prevent us from ever mistakenly basing our
calculations on a surface pressure of 0 (which is the initial bug in
deco.c that triggered all this).
Similar changes need to be made for other elements that we currently only
use from the first divecomputer, i.e., salinity.
Reported-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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The temperature plot line was drawn to the end of the dive, but the last
temperature plot text was printed near the last temperature *sample*.
This was most visible on dives/test27.xml where two "20˚C" were
printed on top of each other at the start of the dive, while nothing
was printed at the end.
Signed-off-by: Henrik Brautaset Aronsen <subsurface@henrik.synth.no>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Linus and Jan forgot to do so...
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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We had this special logic to not show the end of a dive when a dive
computer shows a series of very shallow samples (basically snorkeling
back to shore after the dive ended). However, that logic ended up being
global per dive, which is very annoying when you have two or more dive
computers, and it decides to cut off the second one because the first
one surfaces.
So get rid of this per-dive state, and just use the plot-info 'maxtime'
field for this (we never used the 'start' case anyway). That way we
will properly cut off boring surface entries only when they are past the
end of the interesting entries of *all* dive computers, and we won't be
cutting things short.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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It seemed so smart to just base the coordinates on what's already in the
graphics context. Except that we apparently got a 0 to 0 range for y
coordinates if there are no pressure samples for a dive.
This fixes the problem and GF values are shown even for dives without
pressure samples.
Reported-by: Miika Turkia <miika.turkia@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This moves some double/floating handling for po2 to plain integer. There
are still non int values around (also for phe and po2) in the plot area.
Signed-off-by: Jan Schubert <Jan.Schubert@GMX.li>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Fixing the SP change event and introducing a bailout scenario.
I decided not to use a event showing SP=0.0 nor using a gaschange event as
is in fact there is no gas change related to bailing out itself. If there
is also a gaschange for the event it will be displayed anyway.
Signed-off-by: Jan Schubert <Jan.Schubert@GMX.li>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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When the data file is closed we should reset the events that we offer for
filtering.
Reported-by: Sergey Starosek <sergey.starosek@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Commit a52b0aa5ea8d ("Show Gradient Factors in plot when showing
calculated ceilings") incorrectly modified the gc which caused the mouse
position no longer correctly being correlated to the time on the plot.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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When we create the event names, the name itself does not include the
information about whether the event is the beginning or end of some
state, so we end up having things like events named "deco" and then in
the event flags it says whether this is the *beginning* of deco, or the
end.
And when we show the event, we only used to show the name. This patch
makes us show whether it's the begin or end event for events that have
those flags. So now you see "deco begin" and "deco end" instead of just
two events both called "deco".
It would perhaps be nice if we somehow showed the range between the
events too, and paired them up visually some way, but that's a separate
and much more difficult thing to do.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Mostly coding style and whitespace changes plus making lots of functions
static that have no need to be extern. This also helped find a bit of code
that is actually no longer used.
This should have absolutely no functional impact - all changes should be
purely cosmetic. But it removes a bunch of lines of code and makes the
rest easier to read.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This adds the GFlow/high values used to calculate the ceiling (if any).
Right now it shows those numbers even if at no point of the dive there was
an actual ceiling (but only if showing the ceiling itself is enabled).
This should make it easier to for the user to make sense of the calculated
ceiling, especially if posting screen shots.
As an aside - for some dive computers like the OSTC and the Shearwaters we
should be able to also plot the GF used by its calculation which might be
interesting for comparison purposes, as both of them also give us the
ceiling (lowest deco stop) calculated during the dive..
See #13
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Mostly in new code, but some of them are strings in older code that have
been missed in the past.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This made sense briefly when libdivecomputer reported ceiling data through
events with those flags, but it actually made us hide valid events from
some divecomputers that give us only very limited information (e.g., deco
events from some Suunto divecomputers).
Reported-by: Henrik Brautaset Aronsen <subsurface@henrik.synth.no>
Analyzed-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Not really bugs, just wasted. They clutter up the output of static
analysis with cppcheck.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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The plot-info per-event 'same_cylinder' logic was fragile, and caused
us to not print the beginning pressure of the first cylinder.
In particular, there was a nasty interaction with not all plot entries
having pressures, and the whole logic that avoid some of the early
plot entries because they are fake entries that are just there to make
sure that we don't step off the edge of the world. When we then only
do certain things on the particular entries that don't have the same
cylinder as the last plot entry, things don't always happen like they
should.
Fix this by:
- get rid of the computed "same_cylinder" state entirely. All the
cases where we use it, we might as well just look at what the last
cylinder we used was, and thus "same_cylinder" is just about testing
the current cylinder index against that last index.
- get rid of some of the edge conditions by just writing the loops
more clearly, so that they simply don't have special cases. For
example, instead of setting some "last_pressure" for a cylinder at
cylinder changes, just set the damn thing on every single sample. The
last pressure will automatically be the pressure we set last! The code
is simpler and more straightforward.
So this simplifies the code and just makes it less fragile - it
doesn't matter if the cylinder change happens to happen at a sample
that doesn't have a pressure reading, for example, because we no
longer care so deeply about exactly which sample the cylinder change
happens at. As a result, the bug Mika noticed just goes away.
Reported-by: Miika Turkia <miika.turkia@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Commit b625332ca5ff "Display even constant temperature graph" was a little
too aggressive. If we have no temperature data at all it caused us to plot
a temperature line for absolute zero...
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Dive profile does not display the temperature graph, if we have a
constant temperature (e.g. only one reading at the start of the dive).
This patch draws the temperature graph even if max and min temperatures
are the same.
Signed-off-by: Miika Turkia <miika.turkia@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Temperatures can actually be negative, which means that rounding by
adding 0.5 and casting to 'int' is not correct.
We could use '(int)(rint(val))' instead, but the only place we care
about might as well just print out the floating point representation
with a precision of two digits instead. So if you have a dive computer
that gives you the precision, you might see '3.5˚C' as the temperature.
Remove the helper functions that nobody uses and that get the rounding
wrong anyway.
Reported-by: Henrik Brautaset Aronsen <subsurface@henrik.synth.no>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This moves the fields 'duration', 'surfacetime', 'maxdepth',
'meandepth', 'airtemp', 'watertemp', 'salinity' and 'surface_pressure'
to the per-divecomputer data structure. They are filled in by the dive
computer, and normally not edited.
NOTE! All actual *use* of this data was then changed from dive->field to
dive->dc.field programmatically with a shell-script and sed, and the
result then edited for details. So while the XML save and restore code
has been updated, all the displaying etc will currently always just show
the first dive computer entry.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This patch removes the need for the "string" pressurebuf in planner.c.
It also adds a unit to the partial pressures displayed in the mouse
overlay which are always displayed in bar.
BTW: Has anyone seen a pO2 shown in PSI?
Signed-off-by: Jan Schubert <Jan.Schubert@GMX.li>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This patch centralizes the definition for surface pressure, oxygen in
air, (re)defines all such values as plain integers and adapts calculations.
It eliminates 11 (!) occurrences of definitions for surface pressure and
also a few for oxygen in air.
It also rewrites the calculation for EAD, END and EADD using the new
definitons, harmonizing it for OC and CC and fixes a bug for EADD OC
calculation.
And finally it removes the unneeded variable entry_ead in gtk-gui.c.
Jan
Signed-off-by: Jan Schubert <Jan.Schubert@GMX.li>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Previously we calculate the ceiling at every single second, using the
interpolated depth but then only *save* the ceiling at the points where we
have a profile event (the whole deco_allowed_depth() function doesn't
change any state, so we can just drop it entirely at points that we aren't
going to save)
Why is it incorrect? I'll try to walk through my understanding of it, by
switching things around a bit.
- the whole "minimum tissue tolerance" thing could equally well be
rewritten to be about "maximum ceiling". And that's easier to think
about (since it's what we actually show), so let's do that.
- so turning "min_pressure" into "max_ceiling", doing the whole
comparison inside the loop means is that we are calculating the
maximum ceiling value for the duration of the last sample. And then
instead of visualizing the ceiling AT THE TIME OF MAXIMUM CEILING, we
visualize that maximal ceiling value AT THE TIME OF THE SAMPLE.
End result: we visualize the ceiling at the wrong time. We visualize
what was *a* ceiling somewhere in between that sample and the previous
one, but we then assign that value to the time of the sample itself.
So it ends up having random odd effects.
And that also explains why you only see the effect during the ascent.
During the descent, the max ceiling will be at the end of our
linearization of the sampling, which is - surprise surprise - the position
of the sample itself. So we end up seeing the right ceiling at the right
time while descending. So the visualization matches the math.
But during desaturation, the maximum ceiling is not at the end of the
sample period, it's at the beginning. So the whole "max ceiling" thing has
basically turned what should be a smooth graph into something that
approaches being a step-wise graph at each sample. Ergo: a ripple.
And doing the "max_ceiling during the sample interval" thing may sound
like the safe thing to do, but the thing is, that really *is* a false
sense of safety. The ceiling value is *not* what we compute. The ceiling
value is just a visualization of what we computed. Playing games with it
can only make the visualization of the real data worse, not better.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Tomaz Canabrava
Dirk Hohndel
Linus Torvalds
Lubomir I. Ivanov
Amit Chaudhuri
Henrik Brautaset Aronsen
Jan Schubert
Miika Turkia