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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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For the proper calculation, we need to take salinity and surface pressure
into account (rather than depth = bar * 10 - 10)
Signed-off-by: Robert C. Helling <helling@atdotde.de>
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 avoids a possible warning when calling this function with a string
literal as second argument.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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In a previous patch, 37830bdb ("Always show deco gas as dive gas") the
semantic of the last variable was changed. This updates other calls to
this function.
This is nothing but documenting changes.
Signed-off-by: Anton Lundin <glance@acc.umu.se>
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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In commit 86c961614bfa ("Actually walk all dive computers, don't just
claim to do so") I somehow managed to forget one hunk of the patch (I was
editing out debug messages). And I clearly forgot to test compile the
final patch as pushed. Apologies.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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The ratio between SAC and oxygen metabolism rate can be assumed constant
but not the metabolism rate. So we better base our calculation on the ratio
that uses the SAC from the preferences as that pairs well with the O2
consumption from the preferences.
Hence we ran remove the sac parameter from fill_pressures().
Signed-off-by: Robert C. Helling <helling@atdotde.de>
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 planning a dive, the gas consumption is based on a user configured SAC.
Thus we should use that SAC and not try to recompute it from samples.
Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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... and repair a failed rebase (sorry).
Signed-off-by: Robert C. Helling <helling@atdotde.de>
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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The running depth must be interpolated when sample interval is more than
10 seconds.
Signed-off-by: Miika Turkia <miika.turkia@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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The running depth must be divided by current time to get the average
depth.
Signed-off-by: Miika Turkia <miika.turkia@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Apparently this is useful for some tech divers.
We urgently need an option to turn off the graph and this text, though, as
I am guessing that this is just distracting and annoying to 90+% of our
users.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Plus removal of a few qDebug() calls I introduced earlier.
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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clear_events() just reset the start point of our event list, but didn't
actually free the event names that got "cleared".
Signed-off-by: Anton Lundin <glance@acc.umu.se>
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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This patch adds a context menu entry to add a setpoint change
event. In particular, this can be used to turn a logged dive into
a CCR dive.
Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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I had forgotten a / 1000.0 in the conversion of partial pressures from (double) bar to (int32) mbar.
Fixes #763
Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Use the right format, now when those variables are integers and not
doubles.
Signed-off-by: Anton Lundin <glance@acc.umu.se>
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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In commit 0d7c192e6edc ("For CCR dives, the diluent cylinder is the
current cylinder") a few things got broken. This tries to undo those
changes and adds expanded XML output.
1) Calculate correct partial pressure of oxygen to be plotted on
dive profile, taking into account the oxygen sensor data.
Currently, erroneously, OC PO2 values are shown, due to an
erroneous calling parameter to fill_pressures().
2) Read start and end cylinder pressured correctly. some wrong
assignments were done in file.c. This is now corrected and the correct
cylinder pressures are shown in the equipment tab.
3) Write correct cylinder pressures to XML. Currently the data for
the two cylinders are written to XML the wrong way round
(diluent pressures = oxygen and vice versa).
4) Expand XML output:
a) Write oxygen sensor data to XML
b) Write no_of_02sensors to XML
Signed-off-by: willem ferguson <willemferguson@zoology.up.ac.za>
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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In a test case loading dives/test35.xml results in a infinite(-like)
loop (Note: possibly requires the partial pressure plots enabled).
calculate_gas_information_new() has an 'if' branch to
update the cylinderindex to a dive's diluent_cylinder_index,
but it does not consider that said index can be set previously
to -1.
This results in a random neighbour memory assigned as
&dive->cylinder[-1].gasmix and passed to fill_pressures(..).
Following the calculations in the function the He gas,
can receive a bad value (e.g. for the test case in the
E+6 ranges).
Said value is then used in DivePlotDataModel()::pheMax()
(defined by MAX_PPGAS_FUNC()) resulting in one of the loops
(the 3rd one) in DiveCartesianAxis::updateTicks() to
loop indefinitely.
Fixes #759
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Back in 24c491053cd9 ("Don't overwrite zero setpoints") the filling of
last_setpoint logic was removed. This clears out the last bits left
over.
Signed-off-by: Anton Lundin <glance@acc.umu.se>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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As we agreed, in memory we don't zero repeated setpoints and thus zero
setpoints don't have to be overwritten by the last setpoint value.
This corrects the deco ceiling with CCR dives that bailout to OC.
Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Calculations for passive semi-closed rebreathers are pretty much like OC
except the pO2 is lower bey a certain (SAC dependent) factor. This patch
introduces the corresponding calculations in case dctype == PSCR which is
so far never set and there is currently no UI for these calculations. As
pO2 is SAC dependent it takes a certain attempt at getting it and drops to
defaults from the prefs otherwise.
As there is no UI at this point and I also don't have any dives, this has
not received much testing, yet, but it compiles. At least.
Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Currently the gas pressures stored in structures of pressure are
calculated using the gasmix composition of the currently selected
cylinder. But with CCR dives the default cylinder is the oxygen
cylinder (here, index 0). However, the gas pressures need to
be calculated using gasmix data from cylinder 1 (the diluent
cylinder). This patch allows setting the appropriate cylinder
for calculating the values in the structures of pressure. It
also allows for correctly calculating gas pressures for any
open circuit cylinders (e.g. bailout) that a CCR diver may
use. This is performed as follows:
1) In dive.h create an enum variable {oxygen, diluent, bailout}
2) Within the definition of cylinder_t, add a member: cylinder_use_type
This stores an enum variable, one of the above.
3) In file.c where the Poseidon CSV data are read in, assign
the appropriate enum values to each of the cylinders.
4) Within the definition of structure dive, add two members:
int oxygen_cylinder_index
int diluent_cylinder_index
This will keep the indices of the two main CCR cylinders.
5) In dive.c create a function get_cylinder_use(). This scans the
cylinders for that dive, looking for a cylinder that has a
particular cylinder_use_type and returns that cylinder index.
6) In dive.c create a function fixup_cylinder_use() that stores the
indices of the oxygen and diluent cylinders in the variables
dive->oxygen_cylinder_index and dive->diluent_cylinder_index,
making use of the function in 4) above.
7) In profile.c, modify function calculate_gas_information_new()
to use the above functions for CCR dives to find the oxygen and
diluent cylinders and to calculate partail gas pressures based
on the diluent cylinder gas mix.
This results in the correct calculation of gas partial pressures
in the case of CCR dives, displaying the correct partial pressure
graphs in the dive profile widget.
Signed-off-by: willem ferguson <willemferguson@zoology.up.ac.za>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Remove the code that changes all duplicate oxygen sensor, setpoint and
temperature values from a dive log to zero. One of the motivations is
that a zero setpoint value indicates an Open Circuit dive segment, not
Closed Circuit Rebreather. The code in dive.c is removed and the comments
for the corresponding restoration code that restores the last known values
into sensor or temperature with zero values is [fill_o2_values()
in profile.c] is changed to apply to the present situation.
Signed-off-by: willem ferguson <willemferguson@zoology.up.ac.za>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This isn't Cobalt specific, this is specific to dive computers that
indicate the first tank that's in use with a gaschange event that
coincides with the first sample.
We need to make sure that we suppress showing that gas change event
(regardless which cylinder it goes to) and instead set the correct
cylinder index from the very start of the dive.
This works with the test data I have and doesn't seem to break thing with
any of the files that I tried... but I'm worried that this is not the
right way to do things.
Fixes #742
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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fill_o2_values():
struct gas_pressures *pressures;
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
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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The latest CCR patches had rendered the planner not usable for CCR dives.
This patch corrects this (and reenables the CCR set point column for
segments). The problem was that a new member setpoint of struct divepoint
had been introduced, but there was already po2 which had the same meaning.
This patch merges the two and renames them setpoint to prevent future
confusion.
Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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fill_o2_values() in profile.c: Robert identified the inconsistency of po2
assignmemts when using OC dives as opposed to CCR dives.
This is corrected here. OC dives still need to be processed in this function
because the po2 values have not been initialised anywhere else before
thos code executes.
Signed-off-by: willem ferguson <willemferguson@zoology.up.ac.za>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This patch responds to the side effects that the CCR code has had with
respect to ceilings in OC dives and dive plans. Dive ceilings are now
calculated correctly again.
The following were performed:
1) remove the oxygen sensor and setpoint fields from the gas_pressures
structure.
2) Re-insert setpoint and oxygen sensor fields in the plot_data structure.
3) Remove the algorithm that reads the o2 sensor data and calculates the
pressures.po2 value from function fill_pressures() in dive.c and save
it as a separate function calc_ccr_po2() in profile.c.
4) Activate calc_ccr_po2 from function fill_pressures() in profile.c.
5) Move the relative position of the call to fill_pressures() within the
function create_polt_info_new() in profile.c.
Signed-off-by: willem ferguson <willemferguson@zoology.up.ac.za>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This patch adds code to the function fillpressures() in dive.c to
allow calculating o2 pressures, based on the data from the po2
sensors in the system. The following changes were made:
1) add code to perform po2 calculations for CCR with 1, 2 or 3
oxygen sesnors.
2) Add four fields to the gas_pressures structure in dive.h. This
allows communication of data between the function that calls
get_pressures() and the return of partail pressure values to the
calling function.
3) Delete the fields for setpoint and gas partial pressures from
the structure plot_info. All partial pressures (from instruments
as well as calculated) now reside in the pressures structure
that forms part of plot_info.
4) Perform changes in several parts of profile.c to make use of the
pressures structure in plot_info.
[Dirk Hohndel: yet again 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 does three things:
1) A new function fill_o2_values() is added to profile.c. This
fills all oxygen sesnsor and setpoint values that have been
zeroed before in order to save space in the dive log. This
recreates the full set of sensor values obtained from the
original CCR xml log file.
2) Function fill_o2_values() is activated in function create_
plot_info_new() in profile.c
3) The calling parameters to function fill_pressures() in dive.c
are changed. The last parameter is now a pointer to a structure
of divecomputer. This will be needed in the last patch of the
present series of three patches.
[Dirk Hohndel: minor whitespace cleanup]
Signed-off-by: willem ferguson <willemferguson@zoology.up.ac.za>
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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Decode the gasmix data into a sane format when creating the event, and
add the (currently unused) ability to specify a gas change to a
particular cylinder rather than (or in addition to) the gasmix.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Sadly, some of the code being fixed is my own...
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This patch allows the importing of oxygen sensor and setpoint data from
Poseidon CCR dive logs.
1) Change parse-xml.c to read up to three oxygen sensor values from xml.
and to store the information in sample structures
2) Change parse-xml.c to read o2 setpoint values fro xml and to store
it in sample structures
3) Change dive.c to delete all sensor and setpoint values where
subsequent samples have sensor/setpoint values that are the same.
4) Change profile.c to store the sensor/setpoint values from the samples
into plotinfo.
5) Change the sample Poseidon xml log in the dives directory to ensure
the correct order and hierarchy of the dive and divecomputer nodes.
[Dirk Hohndel: minor cleanup, removed debug code, whitespace]
Signed-off-by: willem ferguson <willemferguson@zoology.up.ac.za>
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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Salvador Cuñat
Robert C. Helling
Dirk Hohndel
Anton Lundin
Willem Ferguson
Miika Turkia
Lubomir I. Ivanov
Linus Torvalds