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Tests have shown that the most multi-platform way to do printing with GTK is
to use GTK_UNIT_INCH (or GTK_UNIT_MM) with GtkPrintOperation. Tested on
Linux, OSX, Windows.
However this requires the appropriate scaling for Pango and Cairo to be done,
with separate plotting logic for printing and drawing on the screen. To achieve
that, profile.c:plot() now accepts a scaling parameter from type
"scale_mode_t" defined in "display.h".
Also due to new scale, small decimal numbers (such as 6.12345) cannot be well
stored in "cairo_rectangle_int_t" therefore it is replaced with
"cairo_rectangle_t", which uses doubles to provide Cairo with a drawing
area.
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
Minor whitespace cleanup.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Freedives can easily exceed the assumed ascent/descent rate, which
results in wacky dive profiles. Add a check to make the ascent and
descent fit within the duration of the dive.
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Merge freediving tweaks (zoom in on short dives etc) from Maximilian
Güntner.
Trivial conflicts in display.h due to unrelated printing stuff just
happening to be added nearby.
* 'freediving-tweaks' of git://github.com/mguentner/subsurface:
moved zoomed_plot to display.h
plot the time with a fixed padding (leading zero)
updated/corrected comment
added "Zoom" button and improved scaling
fixed indentation
use increments that make sense for 600 seconds
Plot shorter (apnea) dives with a reasonable scale
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The previous commit was a patch from Lubomir, which also had some
whitespace fixes (to go with some new whitespace bugs to replace them)
in it.
I removed the whitespace changes from that patch (don't mix whitespace
fixes with other fixes, unless they are on the same lines!) but decided
to look for other whitespace issues, and this is the result.
I left the non-C files alone, some of the spec and script files also
have whitespace at the end of lines etc.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Maximilian Güntner <maximilian.guentner@gmail.com>
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Signed-off-by: Maximilian Güntner <maximilian.guentner@gmail.com>
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This completely changes how we keep track of selected dives: instead of
having an array listing the selection ("selectiontracker") or trusting
the gtk selection information, just save the information about whether a
dive is selected in the dive itself.
That makes it trivial to keep track of the state of selection across
group collapse/expand events, or when changing the tree view model. It
also ends up simplifying the code and logic in other ways.
HOWEVER, it does currently (re-)introduce an annoying oddity with gtk:
if you collapse a dive trip that has individual selections, gtk will
forget those selections ("out of sight, out of mind"), and when you do
*new* selections, the old hidden ones remain.
So there's some games required to make gtk do sane things. We may need
to either explicitly drop selections when collapsing trips, or make sure
the group entry gets selected when collapsing a group that has
selections in it. Or something.
There may be other issues introduced by this too.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The code iterates over a list that can be NULL, but happily dereferenced
it anyway. Oops.
This function really should be split up and commented more.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull miscellaneous fixes, mostly UI stuff from Mikko Rasa.
Both this and the pull from Pierre-Yves Chibon created a "Save As" menu
entry and logic. As a result, there were a fair number of conflicts,
but I tried to make the end result somewhat reasonable. I might have
missed some semantic conflict, though.
Series-acked-by: Henrik Brautaset Aronsen <subsurface@henrik.synth.no>
* 'misc-fixes' of git://github.com/DataBeaver/subsurface:
Add a separate "Save as" entry to the menu
Changes to menu icons
Improved depth info for dives without samples
Divide the panes evenly in view_three
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This fixes the bug that triggered the SIGSEGV that Linus worked around
earlier. I had forgotten to update this call path to the
edit_multi_dive_info function.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This calculates a mean depth for the dive with a fixed ascent/descent
rate and an assumption that all of the bottom time is at the maximum
depth. It's not much, but it allows some derived values such as SAC to
make more sense.
The depth profile for such dives is now also generated with the same
assumptions instead of putting the samples at fixed percentages of the
dive duration.
Signed-off-by: Mikko Rasa <tdb@tdb.fi>
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Signed-off-by: Maximilian Güntner <maximilian.guentner@gmail.com>
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It should be possible to have a certain limit where we
stop zooming so that short dives are visible as such
at first glance. Therefore a "Zoom" button has been
added to the "Log" menu along with a shortcut (Ctrl + "0").
The user can now zoom/unzoom the plot and is still able to
quickly distinguish short dives from normal ones when
browsing the log.
Signed-off-by: Maximilian Güntner <maximilian.guentner@gmail.com>
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Signed-off-by: Maximilian Güntner <maximilian.guentner@gmail.com>
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599/12 = 50, no need to use 5*60.
Signed-off-by: Maximilian Güntner <maximilian.guentner@gmail.com>
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The time marker increments have also been changed to better values.
Also, display more time information for short dives.
Signed-off-by: Maximilian Güntner <maximilian.guentner@gmail.com>
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Just trying to clean up the code a bit.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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* 'grid-to-back' of git://github.com/henrik242/subsurface:
Move depth/time grid back
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The temperature profile was behind the white depth/time grid.
Signed-off-by: Henrik Brautaset Aronsen <subsurface@henrik.synth.no>
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I left some printer-spesific commented code in there. Away with it.
Signed-Off-By: Henrik Brautaset Aronsen <subsurface@henrik.synth.no>
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Fix ugly printout, give colors proper names, make grid lines and alert
marker easier to see, and specify printer colors independently.
Signed-Off-By: Henrik Brautaset Aronsen <subsurface@henrik.synth.no>
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The profile colors were defined all over the place, so I put them all in one spot. I'm unsure if this is the best solution to that problem, but I guess it's a step in the right direction.
Signed-Off-By: Henrik Brautaset Aronsen <subsurface@henrik.synth.no>
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The profile colors aren't very pretty, and the grid lines are too thick.
This commit tries to improve that.
Signed-Off-By: Henrik Brautaset Aronsen <subsurface@henrik.synth.no>
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Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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We do all the pressures in mbar, which has plenty of precision for
interpolated pressures - even when we then do our discrete integration
over many samples.
However, when we calculate those interpolated pressure points, we should
make sure that we round the result correctly, otherwise the consistent
rounding errors (from truncating the FP value into our integer mbar
values) will result in a final pressure that is noticeably off in ugly
ways (ie "end pressure set by hand to 750 mbar, but shown as 748").
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This reverts commit abdee5b1b8a97c641bca9bc2ebac9555c3e2ea54.
There's no point in doing random hacks. Instead, do the intermediate
pressure calculations with proper rounding instead of always truncating
to mbar. With the math done correctly we have enough precision that the
end result of the pressure interpolation doesn't have the kind of errors
that caused Dirk to try to fix things up later.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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While printing the last pressure in the calculated sequence may seem more
logical, given that the discrete series will create some amount of error
this simply looks wrong. Instead we pick the end pressure that was
manually set.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Some parts of the existing code used the depth at the time of the sample
to calculate the sac rate - it makes much more sense to use the average
depth. But that requires us to loop over the entries and average the
individual sac rates per segment instead of just using the beginning and
end depth of the multi-segment interval we use for smoothing purposes.
This may seem like a subtle detail, but it does in fact matter when we
plot the synthetic tank pressure values that we create when we have no
tank pressure data in the samples.
Another detail we change here is to not artificially start with a forward
looking segment of the full SAC_WINDOW but instead just start with the
first two data points and then simply let the time window grow until it
hits SAC_WINDOW - at which point it becomes a sliding window.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This changes the algorithm that picks the sac color to consider
+/- 1 l/min to be the same color (before the color changed every
time you crossed above or below the average which looked silly with
our synthetic "constant sac" values as those are discrete and oscilate
around the average.
This also changes the order in which things are drawn so so that the
pressure plot goes over the depth profile plot (so the red shading of the
dive no longer changes the color of the tank pressure plot).
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Use rgb_t for the sac colors, create a new set_source_rgb_struct function
and use that for the velocity values (in the depth plot) as well.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Linus suggested that instead of using absolute SAC values to base the
color on (which forced us to pre-define which SAC rates are green and
which are red) we should color the tank pressure plot relative to the avg
SAC rate of that dive - which I think makes the coloring much more useful
to spot when on your dive you were doing well and when you were not.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Similar to color indicating vertical speed in the profile plot we now use
color in the tank pressure plot to indicate current SAC rate.
We use a 45 sec sliding window to make sure we cover at least two breaths
for each current SAC sample to avoid artificial oscillation based on
breathing rhythm for corputers with high sample resolution.
Not sure about the color coding that I'm using right now - it's green-ish
for SAC rates under 15l/min ~= .55cuft/min and turns yellow and red as you
go higher. That seems to work well for me, but for other divers this may
be way off (or at least not as useful). Maybe this should be configurable?
This is a lot more diver specific than the vertical velocity where there
are clear recommendations based on safety considerations on what is good
and bad.
As a side effect, this removes the color coding that showed you whether
you were looking at pressure data from samples (green) vs. interpolated
pressure data (yellow). Not sure if people really want to see that. We
might be able to indicate this differently (I am thinking different line
width or transparency or something along those line)
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Some dive computers randomly drop samples. That was no problem unless it
was the LAST sample. We work around that now
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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.. and fix the maxpressure to actually look at *all* the cylinders, so
that if you don't have sample data, but rely onmanually set cylinder
pressures, it now really is the max of all the cylinders.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* 'bugfixes' of git://github.com/dirkhh/subsurface:
Fix breakage caused by Linus' changes to tank pressure handling
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We no longer look at the start and end pressure for a tank, if the tank
has valid pressure data in its samples (which makes sense). Sadly that
breaks the current pressure interpolation code. With this patch most of
those problems should be fixed.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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- make the text a lighter color so it stands out more
- change the heuristic when we print text to include both relative change
in temperature and time since the last text was printed
- print the first temperature we encounter
- allow an ending temperature to be printed if the last printed
temperature was before the 75% mark of the dive
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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I thought we had fixed this before - but I guess it got broken again
somewhere. We now make sure that the plot_info ends on an entry with
depth 0.
Added test14 to verify the fix.
Also fixed cut'n'paste errors in a few test dive files.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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In some situations we could end up with no sample pressure and no
interpolated pressure at time = 0. This is now fixed.
Fix notes in test dive the exposed the issue.
Also change the code in create_plot_info to keep the number of samples and
the number of corresponding pi entries in separate variables. This avoids
future changes from breaking if they assume they can access
dive->sample[nr_samples - 1] (which is a reasonable assumption to make).
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This was exposed by the test dives, but it shows up in small ways with
real dives from some dive computers like the Suunto Vyper Air.
We now insert synthetic plot_info entries that match the gas change event;
to make this look smoother we insert either two events (one for the old
tank, one a second later for the new tank) if there is no sample at the
time of the event, or one additional event (and move the real sample back
by one second) if there is a sample at the time of the event.
This does expose another issue with some dives from Linus' computer where
the pressure in the samples dips below the end pressure noted for the tank
- which creates an odd "yellow up-tick" at the end of using the first tank
in the plot. Maybe we should not insert a synthetic "last of old tank"
event if we have a sample with valid pressure in the last NN seconds
before the gas change?
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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If we have more than four identical depth readings, the old code would see
those as local maxima and minima and print spurious depth values in the
profile plot.
Yes, in real sample data identical readings won't happen - but in
synthetic data they can and there this looks really bogus.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Finally getting more consistent overall in how we convert between the
different units and how we decide which units to display.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Designed along the lines of get_depth_units - except we don't define a
specific number of digits to show.
Use this in the one spot we need it right now in profile.c
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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We used to have the dive plot have two "filler" entries at the beginning
and the end, and indeed that is how they are allocated. However, we fix
up "pi->nr" later to be "lastindex+1", where "lastindex" is the index of
the time we surface.
So when we loop over the plot entries, we actually need to loop all the
way to the end: use "i < pi->nr" instead of "i < pi->nr-2".
We still do have the two extra filler entries at the beginning, though.
So depending on the loop, we might want to start at entry 2.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Right now it just plots something ridiculous, the code is really just
meant to be an example. We migth be able to plot a traditional
staircase plot and make it look somewhat saner by taking mean depth into
account (if it exists).
Right now it just plots a (skewed) rectangular dive profile using the
max depth and total time. Which is obviously insane.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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When creating the plot_info, the 'entry' variable pointing to the last
plot_info data was not initialized (because there was no data to fill
in), and was then incorrectly used to fill in the last tank pressure.
We also used to look at 'dive->sample[0].cylinderindex' even if no
sample[0] necessarily existed.
Reported-by: Miika Turkia <miika.turkia@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Right now they are displayed in one hbox which doesn't work if you have
many events - but the code itself works and correctly toggles the events
on and off.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Lubomir I. Ivanov
Mikko Rasa
Linus Torvalds
Maximilian Güntner
Dirk Hohndel
Henrik Brautaset Aronsen