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RBT (Remaining Bottom Time) is a value calculated on the fly by some air
integrated divecomputers, for example Uwatec devices. This value is an
estimation based in some heuristic around time function pressure
gradients. This way, RBT would be the time a diver can spend at actual
depth without running out of gas (taking account of ascent, deco, if
required, and rock bottom gas reserve, if set).
Older Uwatec devices just made the calculus and only stored alarm events
if this time value reached zero, but modern devices store the value each
sample, in minutes.
It seems that Suunto Eon Steel is storing RBT values too, in seconds.
Libdivecomputer has supported RBT for a while, but Subsurface just
printed it to stdout and dropped it.
This adds support for RBT value on subsurface sample structure and shows
it in the profile's info box, right under TTS(calc), if selected, where
these two values can be easily compared by humans.
Signed-off-by: Salvador Cuñat <salvador.cunat@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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When calculating maxima for a dive, we need to take data from all existing
dive computer structures plus potentially also a fake dive computer
structure that is just passed in in order to create a meaningful profile.
Commit 86c961614bfa ("Actually walk all dive computers, don't just claim
to do so") missed that second case and no longer took the fake_dc into
account, breaking the display of dives that don't have samples.
Reported-by: Miika Turkia <miika.turkia@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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If the first dive computer had pressure samples, but the second one (and
no higher one) did, then we would draw a flat horizontal line for the tank
pressure graph (but lable it with the correct pressures). This routine
that is hunting for the actual maxima and minima does have to really go
through all dive computers, not just "this one and up".
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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When a CCR dive is viewed and the toolbar button for PO2 is activated,
both the PO2 (green line) and the O2 setpoint (red line) are shown.
This allows evaluation of the PO2 in the CCR loop with respect to the
pre-configured O2 setpoint.
The setpoint graph can be disabled from the Preferences/Graphs tab
by checking the appropriate checkbox.
Signed-off-by: willem ferguson <willemferguson@zoology.up.ac.za>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This is the calculation that is needed to display a running average in the
profile.
It adds a new member plot_data.running_sum which can be turned into the
running average by dividing by plot_data.time.
Right now this isn't used by the UI.
Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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A profiler session in the planner shows that for deep long dives
a significant amount of CPU time is spent in populate_pressure_information()
which interpolates the cylinder pressure graphs.
This patch introduces a "fast" flag for the replot of the profile
which is active while the mouse button is still pressed and that
suppresses this calculation.
In the future, this flag could be used for other responsiveness tunings
of the plot.
Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Added comment about meaning of o2pressure in struct plot_info.
Turned some pressures from double (in bar) to pressure_t (in mbar)
[Dirk Hohndel: picked parts of this patch and dropped others]
Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Also fixes a bug in the diluent pressure interpolation
Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Change the meaning that _the_ cylinder (as we treat it in OC dives) is the
diluent cylinder (rather than the O2 cylinder). This eliminates special
cases. Now, for CCR, we have to handle the O2 cylinder in addition
(rather than the diluent in addition).
Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Random constants are bad. Let's use the indices that we already calculated
(and true and false if we mean boolean values).
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This adds a graphical representation of tissue loadings at the current moment during the dive
to the tooltip box. The layout is inspired by the Sherwater Petrel.Add tissue saturation plot to tooltip
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This adds a toolbox icon to turn on a tissue plot inspired by the bar
graph of the Sherwater Petrel,
It shows the inert gas partial pressures for individual compartments. If
they are below the ambient pressure (grey line) they are shown in units of
the ambient pressure, if they are above, the excess is shown as a
percentage of the allowed overpressure for plain Buehlmann. So it has the
same units as a gradient factor. Thus also the a gradient factor line (for
the current depth) is shown.
The different tissues get different colors, greener for the faster ones and bluer
for the slower ones.
Positioning and on/off icon action still need some tender loving care.
Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This patch introduces a new structure holding partial pressures (doubles in bar) for
all three gases and a helper function to compute them from gasmix (which holds fractions)
and ambient pressure. Currentlty this works for OC and CCR, to be extended later to PSCR.
Currently the dive_comp_type argument is unused.
Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This patch implements the cylinder pressure calculations for diluent
gas in CCR dive computers. This is the third patch for achieving this.
The following were performed:
1) Add two lines to try_to_fill_sample() in parse-xml so that
diluent cylinder pressures are stored from XML dive log file
into structures of sample.
2) Add one line to populate_plot_entries() in profile.c so that
the diluent cylinder pressures are copied from structures of
sample to structures of plot_info.
3) add three constant #defines in profile.h
4) change populate_pressure_information() in gaspressures.c in
order to take into account pressure calculations for the
diluent cylinder, calling subordinate functions in the
appropriate way.
5) change create_plot_info_new() in profile.c in order to initiate
the pressure calculations for the diluent cylinder.
6) Implement two debugging functions (one in profile.c, another
in gaspressures.c). These debugging functions are activated
by means of #defines.
Two function calls dealing with oxygen pressure are currently commented
out. They will be activated in the following patch that attends to CCR
oxygen partial pressure calculation.
[Dirk Hohndel: rather massive whitespace cleanup]
Signed-off-by: willem ferguson <willemferguson@zoology.up.ac.za>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This patch creates memory space to store both the cylinder pressure of the
diluent cylinder as well as the oxygen partial pressures of up to four
oxygen sensors. This is accomplished within profile.h
1) To the plot_data structure, add:
a) an array diluentpressure[2] to store diluent pressures
b) create o2setpoint and o2sensor[4] to store oxygen partial pressures
2) Define a constant and prototypes to access the cylinder pressures
and their corresponding interpolated values.
Signed-off-by: willem ferguson <willemferguson@zoology.up.ac.za>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This patch does some cleaning up of code after the previous CCR
patch that extracted the contents of gaspressures.c form profile.c
1) Inapplicable #defines were removed
2) static function types were reinstated where practically possible.
3) comments at the start of the file were expanded a bit.
Signed-off-by: Willem Ferguson <willemferguson@zoology.up.ac.za>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This patch implements a separation of the code for gas pressure
calculations from the rest of the code in profile.c. The latter
file is now split into: profile.c and gaspressures.c. The
details of the transferred functions is given at the top of
gaspressures.c. The following chnages were made:
1) dive.h: The function types of calculate_depth_to_mbar
and depth_to_mbar were made non-static in order to make them
available within gaspressures.c.
2) profile.c: Prototypes for the functions in gaspressures.c
were inserted at the top of profile. Ten functions were
transferred from profile.c to gaspressures.c
3) gaspressures.c as well as a short header, gaspressures.h
were created.
For the gas pressure calculations for CCR dives, gaspressures.c
forms the immediate basis for further code development.
Signed-off-by: Willem Ferguson <willemferguson@zoology.up.ac.za>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Since earlier have we had support for our own calculated TTS. This adds
support for holding TTS values reported by a dive computer.
Signed-off-by: Anton Lundin <glance@acc.umu.se>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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I keep trying to get to consistenct.
Completely hopeless.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This is just removal of dead code from the old profile, probably there's
still a bit more to remove, but this is a very good cleanup already.
Signed-off-by: Tomaz Canabrava <tomaz.canabrava@intel.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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I know everyone will hate it.
Go ahead. Complain. Call me names.
At least now things are consistent and reproducible.
If you want changes, have your complaint come with a patch to
scripts/whitespace.pl so that we can automate it.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This allows us to give it a different color (red) and make it a smaller
size.
While implementing this I also fixed the size of the temperature text in
the new profile.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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* ensure include guard to every header
* comment endif guard block
Signed-off-by: Boris Barbulovski <bbarbulovski@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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The profile info was generated using nasty string concatenation that the
membuffers are much better at anyway. And membuffers don't need those
arbitrarily sized fixed buffers (500 bytes? Why 500 bytes?).
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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libdivecomputer already supports this, but we didn't save it.
Tested-by: Oscar Isoz <jan.oscar.isoz@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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With this patch the tooltip is ready to work on the new profile, we just
need to actually use it.
Signed-off-by: Tomaz Canabrava <tcanabrava@kde.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Created a method to check if calculations should take place
taking into consideration what changed on the model. if the
model changes *everything*, them, all calculations should
be done, but if just some of the columns of the model are
changed, only those columns should trigger an visual update
on the items.
In theory this patch looks right, but something is wrong (
calculations are not being made. ), so I'll commit this any
how, and fix on the next commit.
Signed-off-by: Tomaz Canabrava <tcanabrava@kde.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This version of the create plot info is the same as before, with the
difference that it doesn't depends on the gc.
Also fixed a crash.
The Pressure Index, Information and interpolated seems wrong,
I'm getting only zeroes.
Signed-off-by: Tomaz Canabrava <tcanabrava@kde.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Created a new version of calculate_max_limits that doesn't have a
graphics_context and returns a plot_info. The code is basically the same
as the old calculate_max_limits, so there's not much to talk about.
The rest of the code is just boilerplate to plug the Profile
code with the axis and model stuff, to be plotted on screen.
Signed-off-by: Tomaz Canabrava <tcanabrava@kde.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This model encapsulates the plot_info struct and provides
a consistent way to show it using the Qt Model view system
in the C++ and QML way. For a QGraphicsItem that should show
a Profile, this is the start.
Signed-off-by: Tomaz Canabrava <tcanabrava@kde.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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The small straight parts at the end of tank pressure lines are more of a
aesthetic issue, not causing real harm so it is no reason to remove the
SURFACE_THRESHOLD test from pressure_time function only because of this.
Also improved interpolate data debuging, rearranged
get_pr_interpolate_data and removed an unused variable from
get_pr_interpolate_data. No real change here, just trying to make the code
clearer.
[Dirk Hohndel: clean up whitespace damage from this and the previous
commit]
Signed-off-by: Rodrigo Severo <rodrigo@fabricadeideias.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Interpolated lines for tank pressures were presenting discontinuities
(sudden drops) and stalls (horizontal lines) with certain dive profiles.
The main reason seems to be that the discrete interpolation of tank
pressure was adding small pressure increments that could be rounded down
or up repeatedly generating cumulative rounding errors that would mean
either a delay on pressure drop that would be drawn as a sudden drop or as
a premature pressure drop that would result in a flat line.
This patch changes the way the discrete interpolation is done, so that we
don't have cumulative rounding errors distorting tank pressure lines.
To calculate accumulated pressure_time values the get_pr_interpolate_data
function was created. The fact that get_pr_interpolate_data transverses
the beginning of the plot_info entry list for each entry that needs
interpolated tank pressure isn't optimal at all. There might be a way to
properly track the data necessary to interpolate tank pressures from
inside the main pi->entry loop in fill_missing_tank_pressures.
Unfortunately I didn't manage to do it inside fill_missing_tank_pressures
so we have get_pr_interpolate_data.
The SURFACE_THRESHOLD test from pressure_time function was also removed as
no matter how shallow the diver is, if he is using the cylinder to breathe
the cylinders tank pressure should be affected.
Signed-off-by: Rodrigo Severo <rodrigo@fabricadeideias.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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NDL and TTS doesn't show up in the printed profiles, and it takes
significant time to calculate, so just don't do it.
Signed-off-by: Anton Lundin <glance@acc.umu.se>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Store the calculated values in separate variables in the plot_data
struct, and display them separate. This makes sure we don't confuse the
calculated values with the ones from a dc, and now we can compare the
two.
Signed-off-by: Anton Lundin <glance@acc.umu.se>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Signed-off-by: Anton Lundin <glance@acc.umu.se>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This patch adds a ruler QGraphicsItem which can be dragged
along the profile. The ruler displays minimum, maximum and
average for depth and speed (ascent/descent rate). Also, all used
gas will be displayed.
This also adds a new attribute to struct plot_data to store the
speed (not just as velocity_t).
Signed-off-by: Maximilian Güntner <maximilian.guentner@gmail.com>
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plot_data.o2 and plot_data.he was wrong for all dives, due to that
cylinderindex was set right first in populate_pressure_information, and
thus those two contained bogus information.
This makes the plot-text use cylinderindex-lookup as everything else.
Signed-off-by: Anton Lundin <glance@acc.umu.se>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Calculate TTS and NDL, and Deco stops when they don't already exist in
the samle and show them in the mouse-over.
Signed-off-by: Anton Lundin <glance@acc.umu.se>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This is a feature that had been requested a few times in the past and when
debugging my "show only used gases" commit I realized that this would have
been extremely useful to have...
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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I think that displaying tissue loadings either as pressure or as
percentages is not very intuitive but that it makes much more sense when
translated to ceiling depths.
This change enables just that for the 16 tissues in our calculated ceiling
and visualizes this in the profile graph.
There is a checkbox in the preferences to turn this on. If enabled, all
tissues having non-trivial ceilings are also shown in the info box.
Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This had been bugging me for a while - the label texts were all not
quite where I expected them to be. I think this looks much better now.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Passing the alignment as int instead of float or double was actually a bug
as CENTER is defined as (-0.5) ...
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Signed-off-by: Tomaz Canabrava <tcanabrava@kde.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Signed-off-by: Tomaz Canabrava <tcanabrava@kde.org>
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a few code was moved around, a macro that contained
the form of x ? : y; had to be rewritten to x ? x : y
since c++ doesn't allow ternarys without the middle operator.
The color-choosing for the Cylinder Pressure broke
on the Qt port - but it's a small issue.
I'm painting everyone as 'dark green' now, will
fix that later.
Signed-off-by: Tomaz Canabrava <tcanabrava@kde.org>
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Make the graphics_context part of the ProfileGraphicsView and remember
that the plot info is already a part of the graphics_context (we kept
passing around both of them in the Gtk code... pointless but a leftover
from before adding the pi to the gc...)
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Signed-off-by: Tomaz Canabrava <tcanabrava@kde.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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There are subtle differences, the Cairo version looks
prettier - but that's fixable. I did a small triangle
and a exclamation mark on it. maybe a gradient would
make a good difference there.
this item has a ItemIgnoresTransformation tag, so
scalling, rotating or zooming will not change it's
size.
The tooltips are not yet ported.
Signed-off-by: Tomaz Canabrava <tcanabrava@kde.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Salvador Cuñat
Dirk Hohndel
Willem Ferguson
Robert C. Helling
Anton Lundin
Tomaz Canabrava
Boris Barbulovski
Linus Torvalds
Tomaz Canabrava
Rodrigo Severo
Lubomir I. Ivanov
Maximilian Güntner