Re: [Yade-users] [Question #707886]: *** Announcement: YADE answers moves to https://gitlab.com/yade-dev/answers ***

2023-10-29 Thread Janek Kozicki
Question #707886 on Yade changed:
https://answers.launchpad.net/yade/+question/707886

Status: Open => Solved

Janek Kozicki confirmed that the question is solved:
OI think I can mark it as solved. The migration proceeded quite nicely
and now questions are asked on the new site https://gitlab.com/yade-
dev/answers

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Re: [Yade-users] [Question #707886]: *** Announcement: YADE answers moves to https://gitlab.com/yade-dev/answers ***

2023-10-14 Thread Janek Kozicki
Question #707886 on Yade changed:
https://answers.launchpad.net/yade/+question/707886

Status: Expired => Open

Janek Kozicki is still having a problem:
Let's keep this announcement open for a while. Although it seems that
the migration proceeded quite nicely :)

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Re: [Yade-users] [Question #707886]: *** Announcement: YADE answers moves to https://gitlab.com/yade-dev/answers ***

2023-09-28 Thread Janek Kozicki
Question #707886 on Yade changed:
https://answers.launchpad.net/yade/+question/707886

Status: Expired => Open

Janek Kozicki is still having a problem:
Let's keep this announcement open for a while. Although it seems that
the migration proceeded quite nicely :)

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Re: [Yade-users] [Question #707886]: *** Announcement: YADE answers moves to https://gitlab.com/yade-dev/answers ***

2023-09-22 Thread Janek Kozicki
Question #707886 on Yade changed:
https://answers.launchpad.net/yade/+question/707886

Janek Kozicki posted a new comment:
Bump (move the announcement to the top in the list)

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Re: [Yade-users] [Question #707886]: *** Announcement: YADE answers moves to https://gitlab.com/yade-dev/answers ***

2023-09-21 Thread Janek Kozicki
Question #707886 on Yade changed:
https://answers.launchpad.net/yade/+question/707886

Summary changed to:
*** Announcement: YADE answers moves to https://gitlab.com/yade-dev/answers ***

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[Yade-users] [Question #707886]: Announcement: YADE answers moves to https://gitlab.com/yade-dev/answers

2023-09-11 Thread Janek Kozicki
New question #707886 on Yade:
https://answers.launchpad.net/yade/+question/707886

Short announcement for people who only look at launchpad YADE answers. We are 
migrating to https://gitlab.com/yade-dev/answers

All archived questions questions will be accessible from gitlab as closed 
issues, searchable with short summary and with a link to the original question 
on launchpad.

All new questions will have to be asked as issues here: 
https://gitlab.com/yade-dev/answers/-/issues
or more specifically a new question is posted here: 
https://gitlab.com/yade-dev/answers/-/issues/new

The migration from launchpad to gitlab should complete within about a week.

Let us keep this question open, to post updates about the migration status.

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Re: [Yade-users] [Question #707886]: Announcement: YADE answers moves to https://gitlab.com/yade-dev/answers

2023-09-11 Thread Janek Kozicki
Question #707886 on Yade changed:
https://answers.launchpad.net/yade/+question/707886

Description changed to:
Short announcement for people who only look at launchpad YADE answers.
We are migrating to https://gitlab.com/yade-dev/answers

All archived questions will be accessible from gitlab as closed issues,
searchable with short summary and with a link to the original question
on launchpad.

All new questions will have to be asked as issues here: 
https://gitlab.com/yade-dev/answers/-/issues
or more specifically a new question is posted here: 
https://gitlab.com/yade-dev/answers/-/issues/new

The migration from launchpad to gitlab should complete within about a
week.

Let us keep this question open, to post updates about the migration
status.

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Re: [Yade-users] [Question #705807]: Tell me about the batch method

2023-03-12 Thread Janek Kozicki
Question #705807 on Yade changed:
https://answers.launchpad.net/yade/+question/705807

Janek Kozicki posted a new comment:
Did you actually read https://www.yade-dem.org/wiki/Howtoask ?

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Re: [Yade-users] [Yade-dev] Upcoming Yade Release 2023.01

2023-01-18 Thread Janek Kozicki (yade)
Hi,

I created update Changelog MR for this:

https://gitlab.com/yade-dev/trunk/-/merge_requests/917/diffs

best regards
Janek

Anton Gladky said: (by the date of Mon, 16 Jan 2023 21:16:59 +0100)

> Dear all,
> 
> as always at the beginning of the year we are preparing
> the stable Yade Release.
> 
> Please, push your changes through merge requests till this Friday,
> 20.01.2023 and think about adding some more notes into the
> Changelog [1].
> 
> [1] https://pad.systemli.org/p/yade-2023-changelog
> 
> Thank you
> 
> Anton
> 
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Division of Theoretical Physics and Quantum Information
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Re: [Yade-users] [Question #703753]: TPF does not compile on centOS7

2022-11-07 Thread Janek Kozicki
Question #703753 on Yade changed:
https://answers.launchpad.net/yade/+question/703753

Status: Open => Answered

Janek Kozicki proposed the following answer:
There is an ongoing effort to compile yade on centos, it is not finished
yet, see:

https://gitlab.com/yade-dev/docker-yade/-/issues/5
https://gitlab.com/yade-dev/trunk/-/issues/253

see also https://answers.launchpad.net/yade/+question/703504

good luck!

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Re: [Yade-users] [Question #703656]: cannot compile with source code

2022-10-31 Thread Janek Kozicki
Question #703656 on Yade changed:
https://answers.launchpad.net/yade/+question/703656

Janek Kozicki proposed the following answer:
Actually openfoam is not confirmed to work on newer ubuntu. In the
gitlab CI pipeline we have openfoam test running only on ubuntu 18.04.6:

https://gitlab.com/yade-dev/trunk/-/jobs/3248498138

The following lines are executed in this test:

https://gitlab.com/yade-dev/trunk/-/blob/master/.gitlab-ci.yml#L693

For start you could try installing on your ubuntu 18 all the packages
which are listed here: https://gitlab.com/yade-dev/docker-
yade/-/blob/ubuntu18.04_foam/Dockerfile this is how the docker image
with ubuntu 18 was prepared to run these tests.

I have never used openfoam though, so someone who uses it could probably
help more.

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Re: [Yade-users] [Question #703504]: Compilation and Running on HPC cluster -Centos 7

2022-10-19 Thread Janek Kozicki
Question #703504 on Yade changed:
https://answers.launchpad.net/yade/+question/703504

Janek Kozicki posted a new comment:
To be clear, I never used CentOS. The effort to port yade to CentOS is
by Tóth János and Danny van der Haven.

You will have more luck with one of the distributions listed in the
color table at the top here: https://yade-
dem.org/doc/installation.html#packages

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Re: [Yade-users] [Question #703504]: Compilation and Running on HPC cluster -Centos 7

2022-10-19 Thread Janek Kozicki
Question #703504 on Yade changed:
https://answers.launchpad.net/yade/+question/703504

Status: Open => Answered

Janek Kozicki proposed the following answer:
There is an ongoing effort to compile yade on centos, it is not finished
yet, see:

https://gitlab.com/yade-dev/docker-yade/-/issues/5
https://gitlab.com/yade-dev/trunk/-/issues/253

good luck!

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Re: [Yade-users] [Question #703470]: I cannot visualiza the 3D visualization

2022-10-14 Thread Janek Kozicki
Question #703470 on Yade changed:
https://answers.launchpad.net/yade/+question/703470

Status: Open => Answered

Janek Kozicki proposed the following answer:
Try command:

xhost +

in a terminal outside docker, maybe it will help.

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Re: [Yade-users] [Question #703243]: Installation failed

2022-09-22 Thread Janek Kozicki
Question #703243 on Yade changed:
https://answers.launchpad.net/yade/+question/703243

Status: Needs information => Answered

Janek Kozicki proposed the following answer:
by [1] Jan meant: https://www.yade-dem.org/wiki/Howtoask

But also you may refer to https://yade-dem.org/doc/installation.html

good luck!

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Re: [Yade-users] [Question #702735]: Possible reasons why not introduce gravity in triaxial compression tests in DEM

2022-08-11 Thread Janek Kozicki
Question #702735 on Yade changed:
https://answers.launchpad.net/yade/+question/702735

Status: Open => Answered

Janek Kozicki proposed the following answer:
I have no idea what  robanmiller wanted to say. I suspect it's spam.

The reason to don't introduce gravity in triaxial compression is that
its effect is negligible. You can check this yourself. In yade examples
directory you will find a triaxial test. Run this simulation with and
without gravity and you will see that the result is the same.

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Re: [Yade-users] [Question #702405]: This is a test question for checking email notifications from Launchpad

2022-07-07 Thread Janek Kozicki
Question #702405 on Yade changed:
https://answers.launchpad.net/yade/+question/702405

Status: Open => Answered

Janek Kozicki proposed the following answer:
Looks like it works! I received the email notification :)

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Re: [Yade-users] [Question #701564]: Install yade in the centos7 system. After executing the make install command, an error is reported when compiling FlowEngine.cpp

2022-04-27 Thread Janek Kozicki
Question #701564 on Yade changed:
https://answers.launchpad.net/yade/+question/701564

Janek Kozicki posted a new comment:
That looks like a duplicate of
https://answers.launchpad.net/yade/+question/701378

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Re: [Yade-users] [Question #701378]: install Yade in centos7 system

2022-04-17 Thread Janek Kozicki
Question #701378 on Yade changed:
https://answers.launchpad.net/yade/+question/701378

Janek Kozicki posted a new comment:
There is an ongoing effort to make it run on centos 7, see:
https://gitlab.com/yade-dev/docker-yade/-/issues/5

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Re: [Yade-users] [Question #701012]: DFN and Thermal engine

2022-04-15 Thread Janek Kozicki
Question #701012 on Yade changed:
https://answers.launchpad.net/yade/+question/701012

Janek Kozicki posted a new comment:
I agree that these Flow dependencies are unclear. For example:
https://gitlab.com/yade-dev/trunk/-/merge_requests/816#note_825186904

I hope that the authors will clarify things here :)

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Re: [Yade-users] [Question #701012]: DFN and Thermal engine

2022-04-15 Thread Janek Kozicki
Question #701012 on Yade changed:
https://answers.launchpad.net/yade/+question/701012

Janek Kozicki posted a new comment:
The earlier comment actually :) https://gitlab.com/yade-
dev/trunk/-/merge_requests/816#note_824987122

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Re: [Yade-users] [Question #701077]: Using scientific notation with high precision minieigenHP

2022-04-11 Thread Janek Kozicki
Question #701077 on Yade changed:
https://answers.launchpad.net/yade/+question/701077

Janek Kozicki posted a new comment:
btw, sorry for late reply, I didn't notice this until I saw this
expiration notice in the mailing list.

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Re: [Yade-users] [Question #701077]: Using scientific notation with high precision minieigenHP

2022-04-11 Thread Janek Kozicki
Question #701077 on Yade changed:
https://answers.launchpad.net/yade/+question/701077

Janek Kozicki posted a new comment:
Maybe it has got something to do with locales, like in
https://gitlab.com/yade-dev/trunk/-/issues/254#note_877268706

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Re: [Yade-users] [Question #701077]: Using scientific notation with high precision minieigenHP

2022-04-11 Thread Janek Kozicki
Question #701077 on Yade changed:
https://answers.launchpad.net/yade/+question/701077

Janek Kozicki posted a new comment:
Hm, I cannot reproduce this problem:

In [1]: import minieigenHP as mne

In [2]: mne.HP2.Vector3(1e0,0,0)
Out[2]: Vector3("1","0","0")

In [3]: mne.HP2.Vector3(1e-99,0,0)
Out[3]: Vector3("9.9252e-100","0","0")

I tried with 2022-03-18.git-31d72e5

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Re: [Yade-users] TODO-List for Yade

2022-02-26 Thread Janek Kozicki (yade)
Thank you Anton for creating this list. I have just added a few more
items there, including some ideas which I had in mind for a long
time. Some of them are difficult, but doable.

https://gitlab.com/yade-dev/trunk/-/issues/251

This is the TODO list at which my students will start looking at on
March 1st (in only three days). And they have to decide which item to
pick on March 15th. A bit unlucky timing, because that's just a day
before our yade-dev meeting.

They will be working in groups of 3 to 5 and they have 10 months to
complete the task. They are not forced to pick items from this list -
they can have some other unrelated ideas to work on. But we can
provide them with nice ideas, hoping that they will pick something
from this list.

If you want to add something NOW is the time. I recall that Klaus
mentioned, that you needed some students who finished a full C++ course?
That's these students. So now you can add items to this list :)

best regards
Janek

Anton Gladky said: (by the date of Sun, 20 Feb 2022 14:47:45 +0100)

> Dear all,
> 
> As discussed during the last meeting of yade-devs, I have prepared
> a list of TODO-tasks [1] for Yade, which can be completed during the student
> works, Google summer of code and other similar contests and springs.
> 
> Feel free to add new ideas (even crazy ones!) into this list. If somebody
> will work on the particular task, it will be separated into the extra-task to 
> be
> tracked.
> 
> [1] https://gitlab.com/yade-dev/trunk/-/issues/251
> 
> Thanks and best regards
> 
> Anton
> 
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Re: [Yade-users] [Question #700434]: InsertionSortCollider SortAxis : does axis choice make a difference to speed?

2022-02-10 Thread Janek Kozicki
Question #700434 on Yade changed:
https://answers.launchpad.net/yade/+question/700434

Janek Kozicki posted a new comment:
It probably has something to do with the order in which the spheres were
inserted. It is almost sorted for one direction, but not the other.

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Re: [Yade-users] [Question #697874]: Dose 'utils' object has the attribute 'saveDataTxt'

2021-07-06 Thread Janek Kozicki
Question #697874 on Yade changed:
https://answers.launchpad.net/yade/+question/697874

Janek Kozicki posted a new comment:
Thanks for pointing this out, it will be fixed once this is merged:
https://gitlab.com/yade-dev/trunk/-/merge_requests/697

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Re: [Yade-users] [Question #697791]: yade installation: AttributeError: module 'mpmath.ctx_mp_python' has no attribute 'mpf'

2021-07-02 Thread Janek Kozicki
Question #697791 on Yade changed:
https://answers.launchpad.net/yade/+question/697791

Janek Kozicki posted a new comment:
Very nice! Thank you for posting the whole solution :)

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Re: [Yade-users] [Question #697465]: Angular momentum of pfacet clump not conserved after collision

2021-07-02 Thread Janek Kozicki
Question #697465 on Yade changed:
https://answers.launchpad.net/yade/+question/697465

Janek Kozicki posted a new comment:
It has been added to https://gitlab.com/yade-dev/trunk/-/issues/210

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Re: [Yade-users] [Question #697791]: yade installation: AttributeError: module 'mpmath.ctx_mp_python' has no attribute 'mpf'

2021-07-01 Thread Janek Kozicki
Question #697791 on Yade changed:
https://answers.launchpad.net/yade/+question/697791

Status: Open => Answered

Janek Kozicki proposed the following answer:
No, The standard method to install is following:

sudo apt install cmake git freeglut3-dev libloki-dev libboost-all-dev fakeroot \
dpkg-dev build-essential g++ python3-dev python3-ipython python3-matplotlib \
libsqlite3-dev python3-numpy python3-tk gnuplot libgts-dev python3-pygraphviz \
libvtk6-dev libeigen3-dev python3-xlib python3-pyqt5 pyqt5-dev-tools 
python3-mpi4py \
python3-pyqt5.qtwebkit gtk2-engines-pixbuf python3-pyqt5.qtsvg 
libqglviewer-dev-qt5 \
python3-pil libjs-jquery python3-sphinx python3-git libxmu-dev libxi-dev 
libcgal-dev \
help2man libbz2-dev zlib1g-dev libopenblas-dev libsuitesparse-dev \
libmetis-dev python3-bibtexparser python3-future coinor-clp coinor-libclp-dev \
python3-mpmath libmpfr-dev libmpfrc++-dev

note the package: python3-mpmath above.

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Re: [Yade-users] [Question #697791]: yade installation: AttributeError: module 'mpmath.ctx_mp_python' has no attribute 'mpf'

2021-07-01 Thread Janek Kozicki
Question #697791 on Yade changed:
https://answers.launchpad.net/yade/+question/697791

Status: Open => Answered

Janek Kozicki proposed the following answer:
Hi, mixing third party package management software (e.g. pip) with
native apt/aptitude/dpkg/*.deb package management does not go well. I
recommended complete uninstall of packages installed with pip and use
the system native method for installing packages.

Otherwise if you want to use pip you will have to find yourself what
non-standard paths are necessary for python to find mpmath.

This isn't related much to yade in fact.

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Re: [Yade-users] [Question #697421]: The problem of plot

2021-06-06 Thread Janek Kozicki
Question #697421 on Yade changed:
https://answers.launchpad.net/yade/+question/697421

Status: Open => Answered

Janek Kozicki proposed the following answer:
AttributeError: 'module' object has no attribute
'setLiveForceAlwaysUpdate'

You need to upgrade your version to 2021.01a, this was fixed only 5
months ago.

The other one is a different question, you need to open a new question
for that.

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Re: [Yade-users] [Question #697421]: The problem of plot

2021-06-06 Thread Janek Kozicki
Question #697421 on Yade changed:
https://answers.launchpad.net/yade/+question/697421

Janek Kozicki proposed the following answer:
"ValueError: shape mismatch" this happens because a plot uses two lists
of points: arguments (say "x") and values (say "y"). Plotting happens at
the same time when calculations are pushing more data points to the
plot. Plotting fails when the amount of "x" differs from the amount of
"y" which happens quite often if calcuations are adding "x" then "y" in
a separate thread. And when their sizes differ then it can't be plotted.
This function setLiveForceAlwaysUpdate makes sure that calculations are
paused during plot refresh, so the problem won't happen.

This bug was reported in https://gitlab.com/yade-dev/trunk/-/issues/110
and fixed in https://gitlab.com/yade-
dev/trunk/-/merge_requests/570/diffs

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Re: [Yade-users] [Question #697421]: The problem of plot

2021-06-06 Thread Janek Kozicki
Question #697421 on Yade changed:
https://answers.launchpad.net/yade/+question/697421

Status: Open => Answered

Janek Kozicki proposed the following answer:
Try https://yade-
dem.org/doc/yade.plot.html#yade.plot.setLiveForceAlwaysUpdate

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Re: [Yade-users] [Question #695851]: VTKRecorder: Aborted (core dumped) due to "intr" in VTKRecorder

2021-03-05 Thread Janek Kozicki
Question #695851 on Yade changed:
https://answers.launchpad.net/yade/+question/695851

Janek Kozicki requested more information:
I mean: your script above is way too long to read.

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Re: [Yade-users] [Question #695851]: VTKRecorder: Aborted (core dumped) due to "intr" in VTKRecorder

2021-03-05 Thread Janek Kozicki
Question #695851 on Yade changed:
https://answers.launchpad.net/yade/+question/695851

Status: Open => Needs information

Janek Kozicki requested more information:
In this case we will need an MWE [1]

[1] https://www.yade-dem.org/wiki/Howtoask

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Re: [Yade-users] [Question #695851]: VTKRecorder: Aborted (core dumped) due to "intr" in VTKRecorder

2021-03-03 Thread Janek Kozicki
Question #695851 on Yade changed:
https://answers.launchpad.net/yade/+question/695851

Status: Open => Answered

Janek Kozicki proposed the following answer:
Assertion `numElements > 0' failed.

Looks like you have zero intr, so can't save them :) Make sure that you
have more than zero of them.

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Re: [Yade-users] [Question #694945]: How to run deformableBodies examples

2021-02-01 Thread Janek Kozicki
Question #694945 on Yade changed:
https://answers.launchpad.net/yade/+question/694945

Janek Kozicki posted a new comment:
yes. You are welcome to modify DeformableElement as you see fit, and
become a new expert in the field :)

I just started examples/deformableelem/MinimalTensileTest.py and I see
that the box is getting deformed. The displacement on the graph grows.
It seems to work. I don't know what the error message "Incomplete 'if'
sequence" means :)

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Re: [Yade-users] [Question #695226]: RungeKuttaCashKarp54Integrator with gridConnections is causing errors

2021-01-28 Thread Janek Kozicki
Question #695226 on Yade changed:
https://answers.launchpad.net/yade/+question/695226

Status: Open => Answered

Janek Kozicki proposed the following answer:
See: https://gitlab.com/yade-dev/trunk/-/issues/171 it is not fixed. You
can try the workaround mentioned in that issue, use flag dead=True.

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Re: [Yade-users] [Question #695081]: [Solved] Compilation failed on vtk8.2.0

2021-01-20 Thread Janek Kozicki
Question #695081 on Yade changed:
https://answers.launchpad.net/yade/+question/695081

Janek Kozicki posted a new comment:
> You might want to use cmake SUFFIX=

or runtimePREFIX

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Re: [Yade-users] [Question #695081]: [Solved] Compilation failed on vtk8.2.0

2021-01-20 Thread Janek Kozicki
Question #695081 on Yade changed:
https://answers.launchpad.net/yade/+question/695081

Janek Kozicki posted a new comment:
>> Did you do anything specific to workaround this [MPFR] compilation error
> No. But after I followed you suggestion at #9, setting CHUNKSIZE=1 , this 
> error disappeared.

Thanks for the answer, this means that we have more CHUNKSIZE related
bugs.

> May I mark your post at #7 as the solution?

sure no problem :)

If you feel adventurous, maybe you would  like to try building higher
precision versions of yade: long double, float128, maybe even MPFR150 ?

http://yade-dem.org/doc/HighPrecisionReal.html

you only need to pass this cmake parameter for each of the builds:

REAL_DECIMAL_PLACES=18
REAL_DECIMAL_PLACES=33
REAL_DECIMAL_PLACES=150

each of these builds generate a different yade binary with different default 
precision of calculations.
You might want to use cmake SUFFIX=.. parameter to generate yade binaries (and 
.so files) with corresponding different names.

long double calculations are 1.4 times slower, float128 are 4.9 times
slower, mpfr150 are 19.8 times slower.

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Re: [Yade-users] [Question #695081]: [Solved] Compilation failed on vtk8.2.0

2021-01-20 Thread Janek Kozicki
Question #695081 on Yade changed:
https://answers.launchpad.net/yade/+question/695081

Janek Kozicki posted a new comment:
> After I copied all files from potentialVTKRecorders/ver9/ to
potentialVTKRecorders/ver8.2/, all checks passed!

this is good news. We will use ver9 files for testing ver8.2

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Re: [Yade-users] [Question #695081]: [Solved] Compilation failed on vtk8.2.0

2021-01-20 Thread Janek Kozicki
Question #695081 on Yade changed:
https://answers.launchpad.net/yade/+question/695081

Janek Kozicki posted a new comment:
Yade features : ...  MPFR ...

| boost | 1.75.0 | 1.75.0 |
| mpfr | 4.1.0 | 4.1.0 |

>  I did turn off MPFR, the error message is the same.

Did you do anything specific to workaround this compilation error:

/usr/include/boost/multiprecision/traits/max_digits10.hpp:51:43: in 'constexpr' 
expansion of 'boost::multiprecision::detail::calc_digits10<151>::digits_10(151)'
/usr/include/boost/multiprecision/traits/max_digits10.hpp:49:96: error: 
'(3.010299956639812e-1 * 1.5e+2)' is not a constant expression

This error looked like a problem with mpfr wrapper in boost,
specifically in file max_digits10.hpp, but then somehow you managed to
compile with MPFR ?

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Re: [Yade-users] [Question #695081]: [Solved] Compilation failed on vtk8.2.0

2021-01-20 Thread Janek Kozicki
Question #695081 on Yade changed:
https://answers.launchpad.net/yade/+question/695081

Janek Kozicki posted a new comment:
In fact try to take all these files from potentialVTKRecorders/ver9/ and
see :)

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Re: [Yade-users] [Question #695081]: [Solved] Compilation failed on vtk8.2.0

2021-01-20 Thread Janek Kozicki
Question #695081 on Yade changed:
https://answers.launchpad.net/yade/+question/695081

Janek Kozicki posted a new comment:
I mean potentialVTKRecorders/ver9/pbcontactPoint.10.vtu

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Re: [Yade-users] [Question #695081]: [Solved] Compilation failed on vtk8.2.0

2021-01-20 Thread Janek Kozicki
Question #695081 on Yade changed:
https://answers.launchpad.net/yade/+question/695081

Janek Kozicki posted a new comment:
> potentialVTKRecorders/ver8.2/pbcontactPoint.10.vtu

does it work if you take similar file from ver9 ?

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Re: [Yade-users] [Question #695081]: [Solved] Compilation failed on vtk8.2.0

2021-01-20 Thread Janek Kozicki
Question #695081 on Yade changed:
https://answers.launchpad.net/yade/+question/695081

Janek Kozicki posted a new comment:
> [asustx:310193] Signal: Segmentation fault (11)
> [asustx:310193] Signal code: (128)
> [asustx:310193] Failing at address: (nil)
> [asustx:310193] [ 0] /usr/lib/libc.so.6(+0x3d6a0)[0x7f9c06e306a0]

It could be a compiler bug in the memory alignment of variables. In this
case VECTORIZE=OFF (not using SSE instructions) would solve this. This
is the reason why SSE is not enabled by default. It is still
experimental.

If this does not help then maybe cmake linked with a wrong version of
some library. Maybe check if you get these crashes when
ENABLE_OPENMP=OFF or ENABLE_MPI=OFF, because cmake had problems finding
one of these.

> Warning: freeglut versions higher than 2.8.1 are known to crash

We still have no fix for that. When you open GUI and the 3D view of the
scene, it will crash.

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Re: [Yade-users] [Question #695081]: [Solved] Compilation failed on vtk8.2.0

2021-01-20 Thread Janek Kozicki
Question #695081 on Yade changed:
https://answers.launchpad.net/yade/+question/695081

Janek Kozicki posted a new comment:
can you post now what prints the command

  printAllVersions()

and does it pass checks and tests:

yade --test

yade --checkall

Thanks!

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Re: [Yade-users] [Question #695081]: Compilation failed on vtk8.2.0

2021-01-19 Thread Janek Kozicki
Question #695081 on Yade changed:
https://answers.launchpad.net/yade/+question/695081

Janek Kozicki posted a new comment:
Try to change this line:

https://gitlab.com/yade-
dev/trunk/-/blob/master/pkg/common/Gl1_PotentialBlock.cpp#L665

into

#if ((VTK_MAJOR_VERSION <= 8) and (VTK_MINOR_VERSION < 2)) or
(VTK_MAJOR_VERSION <= 7)

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Re: [Yade-users] [Question #695081]: Compilation failed on vtk8.2.0

2021-01-19 Thread Janek Kozicki
Question #695081 on Yade changed:
https://answers.launchpad.net/yade/+question/695081

Janek Kozicki proposed the following answer:
About disabling RealHP, I have added an option for you, can you please
try this:

https://gitlab.com/yade-dev/trunk/-/merge_requests/602

 and tell us if it works?

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Re: [Yade-users] [Question #695082]: Yadedaily installation and mpmath error (focal)

2021-01-19 Thread Janek Kozicki
Question #695082 on Yade changed:
https://answers.launchpad.net/yade/+question/695082

Janek Kozicki posted a new comment:
I see that Anton already fixed this :)

https://gitlab.com/yade-
dev/trunk/-/commit/fcd4d709a16ffaac3422d79dfc9926f67ee349c2

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Re: [Yade-users] [Question #695082]: Yadedaily installation and mpmath error (focal)

2021-01-19 Thread Janek Kozicki
Question #695082 on Yade changed:
https://answers.launchpad.net/yade/+question/695082

Janek Kozicki posted a new comment:
Yes, please. It did throw in this line:

https://gitlab.com/yade-dev/trunk/-/blob/master/lib/high-
precision/ToFromPythonConverter.hpp#L31

note the comment: // this code is never compiled if python3-mpmath
package is unavailable.

:) Package was built on system which had python3-mpmath.

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Re: [Yade-users] [Question #695081]: Compilation failed on vtk8.2.0

2021-01-19 Thread Janek Kozicki
Question #695081 on Yade changed:
https://answers.launchpad.net/yade/+question/695081

Janek Kozicki posted a new comment:
> -- CHUNKSIZE is set to 50

try without chunksize.

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Re: [Yade-users] [Question #694945]: How to run deformableBodies examples

2021-01-12 Thread Janek Kozicki
Question #694945 on Yade changed:
https://answers.launchpad.net/yade/+question/694945

Status: Open => Needs information

Janek Kozicki requested more information:
Let's start with a simple thing [1]. Does the command:

printAllVersions()

work for you? What does it print if it works?

[1] https://yade-dem.org/doc/user.html#questions-and-answers

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Re: [Yade-users] [Question #694548]: Unexpected PFacet Collision Physics

2021-01-04 Thread Janek Kozicki
Question #694548 on Yade changed:
https://answers.launchpad.net/yade/+question/694548

Janek Kozicki posted a new comment:
This seems related to:

https://answers.launchpad.net/yade/+question/692998
https://gitlab.com/yade-dev/trunk/-/issues/167

but not sure if that's really related to it.

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Re: [Yade-users] [Question #694102]: Save the simulation result without OpenGL GLX

2020-12-04 Thread Janek Kozicki
Question #694102 on Yade changed:
https://answers.launchpad.net/yade/+question/694102

Janek Kozicki requested more information:
You should at least tell others what was your mistake, in case if
someone stumbles on exact same problem. He will verify if your solution
(however irrelevant) helps him https://xkcd.com/979/

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Re: [Yade-users] [Question #694192]: Yade-OpenFOAM icoFoam coupling

2020-12-04 Thread Janek Kozicki
Question #694192 on Yade changed:
https://answers.launchpad.net/yade/+question/694192

Status: Needs information => Answered

Janek Kozicki proposed the following answer:
See https://gitlab.com/yade-dev/trunk/-/merge_requests/552

If you need it to be working right now, then downgrade your OpenFoam
installation to version 6. Otherwise you can help Deepak and Bruno with
fixing this problem.

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Re: [Yade-users] [Question #693995]: Cant import scipy.stats

2020-11-13 Thread Janek Kozicki
Question #693995 on Yade changed:
https://answers.launchpad.net/yade/+question/693995

Janek Kozicki proposed the following answer:
> ModuleNotFoundError: No module named 'spicy'

Also beware of typos. spicy is not scipy :)

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Re: [Yade-users] [Question #693995]: Cant import scipy.stats

2020-11-13 Thread Janek Kozicki
Question #693995 on Yade changed:
https://answers.launchpad.net/yade/+question/693995

Janek Kozicki posted a new comment:
Just to be sure that scipy for python3 is installed: start in terminal:   
python3
then try toimport scipy

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Re: [Yade-users] [Question #693698]: Trouble when compiling with g++-9 or g++-7

2020-11-03 Thread Janek Kozicki
Question #693698 on Yade changed:
https://answers.launchpad.net/yade/+question/693698

Janek Kozicki posted a new comment:
Hahah. So it seems, that you can click "solve" when last comment is
clicked as "answer". I was clicking "Just add comment" all the time ;)

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Re: [Yade-users] [Question #693698]: Trouble when compiling with g++-9 or g++-7

2020-11-02 Thread Janek Kozicki
Question #693698 on Yade changed:
https://answers.launchpad.net/yade/+question/693698

Janek Kozicki proposed the following answer:
No idea. Non C++ stuff is not my strong side ;)

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Re: [Yade-users] [Question #693698]: Trouble when compiling with g++-9 or g++-7

2020-11-01 Thread Janek Kozicki
Question #693698 on Yade changed:
https://answers.launchpad.net/yade/+question/693698

Janek Kozicki posted a new comment:
@Anton: Thanks for the info. I agree, VTK is difficult in some aspects.

@Sacha: https://gitlab.com/yade-dev/trunk/-/merge_requests/539

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Re: [Yade-users] [Question #693698]: Trouble when compiling with g++-9 or g++-7

2020-11-01 Thread Janek Kozicki
Question #693698 on Yade changed:
https://answers.launchpad.net/yade/+question/693698

Janek Kozicki posted a new comment:
Ouch. A missing include in [1]. I will fix this shortly. Thanks for
finding this out, and I'm sorry for problems.

In [2] I think that logging should work correctly. And the lack of
output only means that yade is not given a chance to "talk". So
undefined symbol happens before yade code starts loading plugins. Even
before Omega is constructed.

Thanks for printAllVersions() in [3]. This will be useful.

Yes, it seems that cmake is discovering VTK 9. And reinstalling VTK 6 is
not affecting cmake which prefers VTK 9. I am not sure why linking with
VTK 9 somehow goes wrong. However this is the first time when yade
encounters VTK 9. Latest version which we have in the pipeline is 8.2.
It is now difficult to include VTK 9 in the pipeline, because it is not
in any of the linux distros which we have in the CI. This problem could
be solved by fiddling with cmake or cmake invocation:

1. somehow force cmake to ignore VTK 9 and use VTK 6 instead
2. or find out what cmake using VTK 9 is missing when invoking linker after 
compiling with VTK 9. Some '-lvtk_something' is absent here. And that's why it 
cannot find the right vtk symbols.

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Re: [Yade-users] [Question #693698]: Trouble when compiling with g++-9 or g++-7

2020-11-01 Thread Janek Kozicki
Question #693698 on Yade changed:
https://answers.launchpad.net/yade/+question/693698

Janek Kozicki posted a new comment:
> It seems that it doesn't recognise a symbol (a debug symbol I guess)
that comes from a YADE file.

I did not see an unrecognized debug symbol. I'm not saying this is
impossible. But usually a symbol refers to some function or variable.
Debug symbol "works along with it". In the case of
_ZN26vtkTransformPolyDataFilter3NewEv it could be one of the New……
(there seem to be a couple of those) functions in VTK class
vtkTransformPolyDataFilter.

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Re: [Yade-users] [Question #693698]: Trouble when compiling with g++-9 or g++-7

2020-10-30 Thread Janek Kozicki
Question #693698 on Yade changed:
https://answers.launchpad.net/yade/+question/693698

Janek Kozicki posted a new comment:
And yeah, checking if without VTK we get a different output might be
useful.

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Re: [Yade-users] [Question #693698]: Trouble when compiling with g++-9 or g++-7

2020-10-30 Thread Janek Kozicki
Question #693698 on Yade changed:
https://answers.launchpad.net/yade/+question/693698

Janek Kozicki posted a new comment:
I realized that at this stage the "-f6" command is not effective because
the filter level is set in yade after all modules finish loading. We
have two ways to force yade to use -f6 earlier:

1. recompile with cmake -DENABLE_LOGGER=OFF (then it will send all to std::cerr 
because with -DDEBUG=ON this will be at -f6 filter level)
2. or change lib/base/Logging.hpp line 112 , lib/base/Logging.cpp line 48  to 
(short int)(SeverityLevel::eTRACE)   (...yeah, that should be in single place)

trying to do both 1. and 2. will mean doing the first one ;) Because the
2nd is disabled by the 1st one.

Then perhaps we will see some actual output from yade loading its
plugins.

Both stacktraces produce the exact same error at the end:

exc_obj=ImportError('/home/sacha.duverger/packages/yade/install/lib/x86_64
-linux-gnu/yade-2020-10-20.git-427f64c/libyade.so: undefined symbol:
_ZN26vtkTransformPolyDataFilter3NewEv',)

This "undefined symbol: _ZN26vtkTransformPolyDataFilter3NewEv" could
mean following:

1. problem with binary version of vtk (unlikely) you might want to recompile 
yade without vtk, maybe a linker problem
2. binary incompatibility between (incorrect version of) python and yade (which 
was compiled against different python), which makes python start routine unable 
to read any kind of symbols given by yade. And VTK happens to be the first one 
read.
3. something else.

Please do the same gdb runs again, but this time we really print stuff
with -f6 (using method 1. or 2.). Maybe we will see some messages from
yade loading its plugins.

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Re: [Yade-users] [Question #693698]: Trouble when compiling with g++-9 or g++-7

2020-10-30 Thread Janek Kozicki
Question #693698 on Yade changed:
https://answers.launchpad.net/yade/+question/693698

Janek Kozicki posted a new comment:
Also it is worth checking out if the first line in yade python startup
file install/bin/yade-2020-10-20.git-427f64c invokes correct python
executable. Which one is correct is up to you to find out :)

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Re: [Yade-users] [Question #693698]: Trouble when compiling with g++-9 or g++-7

2020-10-30 Thread Janek Kozicki
Question #693698 on Yade changed:
https://answers.launchpad.net/yade/+question/693698

Janek Kozicki posted a new comment:
The output looks very similar. This suggests that yade did not get a
chance to start executing its own code, and problem is during python
startup. Please install debug symbols for your python and try again, I
am not sure but it should be a package like python3-dbg or *dbgsym*
something silimilar. No need to recompile yade. Then gdb output should
be more meaningful.

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Re: [Yade-users] [Question #693698]: Trouble when compiling with g++-9 or g++-7

2020-10-30 Thread Janek Kozicki
Question #693698 on Yade changed:
https://answers.launchpad.net/yade/+question/693698

Janek Kozicki posted a new comment:
Also add -DMAX_LOG_LEVEL=6 to cmake. And when you start gdb session
invoke yade -f6, so that we get more debug info.

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Re: [Yade-users] [Question #693698]: Trouble when compiling with g++-9 or g++-7

2020-10-30 Thread Janek Kozicki
Question #693698 on Yade changed:
https://answers.launchpad.net/yade/+question/693698

Janek Kozicki posted a new comment:
Now this looks like a binary conflict between versions of some
libraries. Maybe we will find out what are the offending libraries when
you compile with cmake -DDEBUG=ON and see gdb output.

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Re: [Yade-users] [Question #693698]: Trouble when compiling with g++-9 or g++-7

2020-10-30 Thread Janek Kozicki
Question #693698 on Yade changed:
https://answers.launchpad.net/yade/+question/693698

Janek Kozicki posted a new comment:
So we are moving forward. Change file lib/high-precision/Real.hpp line
72 from:

#if (__GNUC__ > 7) or (not BOOST_GCC)


to

#if 0


let's see what happens.

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Re: [Yade-users] [Question #693698]: Trouble when compiling with g++-9 or g++-7

2020-10-29 Thread Janek Kozicki
Question #693698 on Yade changed:
https://answers.launchpad.net/yade/+question/693698

Janek Kozicki posted a new comment:
If this works I would like to see yade's printAllVersions(); output to
fix CMakeLists.txt

(sorry for multiple posts :)

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Re: [Yade-users] [Question #693698]: Trouble when compiling with g++-9 or g++-7

2020-10-29 Thread Janek Kozicki
Question #693698 on Yade changed:
https://answers.launchpad.net/yade/+question/693698

Janek Kozicki posted a new comment:
Or maybe I did not take into account in CMakeLists.txt the combination
of package versions which you are using.

Try this, in CMakeLists.txt, where you have this warning:

  RealHP higher precision types will use slow boost cpp_bin_float,
consider passing cmake option ENABLE_MPFR=ON to fix this.

Add:

SET(REAL_MULTI_HP "OFF")

And try your first attempt at compiling with g++-9. Make sure that this
change removes RealHP from features and see if that changes the
compilation effects.

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Re: [Yade-users] [Question #693698]: Trouble when compiling with g++-9 or g++-7

2020-10-29 Thread Janek Kozicki
Question #693698 on Yade changed:
https://answers.launchpad.net/yade/+question/693698

Janek Kozicki posted a new comment:
It's worth checking if your boost version supports correctly g++-9

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Re: [Yade-users] [Question #693698]: Trouble when compiling with g++-9 or g++-7

2020-10-29 Thread Janek Kozicki
Question #693698 on Yade changed:
https://answers.launchpad.net/yade/+question/693698

Janek Kozicki posted a new comment:
@Anton: I suggested to try clang as a way to find out what's missing for
g++-9 (his first post).

@Sacha: Right, sorry. It seems that clang 6 on ubuntu 18.04 is too old
to help us here.

I suppose that you have packages such as libgcc-9-dev and related.

This error with g++9:
/usr/include/boost/math/cstdfloat/cstdfloat_cmath.hpp:539:43: error:
'boost::math::cstdfloat::detail::float_internal128_t
boost::math::cstdfloat::detail::abs(boost::math::cstdfloat::detail::float_internal128_t)'
conflicts with a previous declaration

rings a bell, I had it once. I just don't remember right now what it was
related with.

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Re: [Yade-users] [Question #693698]: Trouble when compiling with g++-9 or g++-7

2020-10-29 Thread Janek Kozicki
Question #693698 on Yade changed:
https://answers.launchpad.net/yade/+question/693698

Janek Kozicki posted a new comment:
Hi,

it's not a problem with yade. It is built everyday with following
compiler versions:

suse15  gcc 7.5.0
stretch gcc 6.3.0
clang   clang 9.0.1
buster  gcc 8.3.0
bullseyegcc 10.2.0
bullseye 32bit  gcc 9.2.1
20_04   gcc 9.3.0 
18_04   gcc 7.5.0
16_04   gcc 5.4.0

see e.g. [1]. The problem is with your local setup. Part of which is
what Bruno said. But also you have to make sure to install all necessary
packages in versions requested by your g++ compiler. For start you could
check what is recommended by the packages you have already installed.
Then find what other packages you might need. These will not be packages
required by yade to build (such as Eigen or boost: they are OK), these
will be packages which form the build toolchain for your g++. I suppose
that you might find out what are those packages by trying to compile
yade with clang and seeing what it recommends. But remember to always
build in a fresh build tree dir.

[1] https://gitlab.com/yade-dev/trunk/-/pipelines/208516884

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Re: [Yade-users] [Question #693260]: Yade crashes at "show 3D" in Ubuntu 20.04

2020-10-16 Thread Janek Kozicki
Question #693260 on Yade changed:
https://answers.launchpad.net/yade/+question/693260

Janek Kozicki posted a new comment:
you are welcome :)

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Re: [Yade-users] [Question #693260]: Yade crashes at "show 3D" in Ubuntu 20.04

2020-10-11 Thread Janek Kozicki
Question #693260 on Yade changed:
https://answers.launchpad.net/yade/+question/693260

Janek Kozicki posted a new comment:
The fix just got merged to master. Tomorrow you should be able to check
if it's fixed in latest yadedaily.

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Re: [Yade-users] [Question #693260]: Yade crashes at "show 3D" in Ubuntu 20.04

2020-10-06 Thread Janek Kozicki
Question #693260 on Yade changed:
https://answers.launchpad.net/yade/+question/693260

Janek Kozicki posted a new comment:
We can wait with closing this. I have a proposed fix for this [1]. We
only need to wait until it gets merged into master, and the next day it
will be in yadedaily. If you feel adventurous, know git a little, and
don't want to wait until this fix will be in yadedaily, you could try to
compile yade from branch fix164 to test this [2]

[1] https://gitlab.com/yade-dev/trunk/-/merge_requests/527
[2] https://yade-dem.org/doc/installation.html#compilation

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Re: [Yade-users] [Question #693260]: Yade crashes at "show 3D" in Ubuntu 20.04

2020-10-06 Thread Janek Kozicki
Question #693260 on Yade changed:
https://answers.launchpad.net/yade/+question/693260

Janek Kozicki requested more information:
Hi, there are two ways to close this 3D view window:

1. click the "x" button on the 3D view window frame.
2. click the 'Show 3D' button in the yade Controller window.

Which of these two ways crash for you?

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Re: [Yade-users] [Question #693284]: yadedaily

2020-10-06 Thread Janek Kozicki
Question #693284 on Yade changed:
https://answers.launchpad.net/yade/+question/693284

Janek Kozicki posted a new comment:
It is very strange. I have just checked these four commands inside a
xenial chroot and it worked perfectly.


root@:/# sudo bash -c 'echo "deb http://www.yade-dem.org/packages/ xenial main" 
>> /etc/apt/sources.list'
root@:/# cat /etc/apt/sources.list  
 
deb http://pl.archive.ubuntu.com/ubuntu xenial main restricted universe 
multiverse
deb-src http://pl.archive.ubuntu.com/ubuntu xenial main restricted universe 
multiverse
deb http://www.yade-dem.org/packages/ xenial main
root@:/# wget -O - http://www.yade-dem.org/packages/yadedev_pub.gpg | sudo 
apt-key add -
--2020-10-06 13:16:02--  http://www.yade-dem.org/packages/yadedev_pub.gpg
Resolving www.yade-dem.org (www.yade-dem.org)... 194.254.65.201
Connecting to www.yade-dem.org (www.yade-dem.org)|194.254.65.201|:80... 
connected.
HTTP request sent, awaiting response... 200 OK
Length: 3143 (3.1K)
Saving to: ‘STDOUT’

-
100%[===>]   3.07K  --.-KB/sin 0s

2020-10-06 13:16:02 (235 MB/s) - written to stdout [3143/3143]

OK
root@:/# sudo apt-get update
Get:1 http://ppa.launchpad.net/git-core/ppa/ubuntu xenial InRelease [23.8 kB]
Hit:2 http://pl.archive.ubuntu.com/ubuntu xenial InRelease  

Get:3 http://www.yade-dem.org/packages xenial InRelease [4749 B]

Get:4 http://www.yade-dem.org/packages xenial/main amd64 Packages [4330 B]  
   
Get:5 http://ppa.launchpad.net/git-core/ppa/ubuntu xenial/main amd64 Packages 
[3372 B]
Fetched 36.3 kB in 0s (72.7 kB/s)   
Reading package lists... Done
root@:/# sudo apt-get install yadedaily
Reading package lists... Done
Building dependency tree   
Reading state information... Done
The following additional packages will be installed:
  libyadedaily python3-yadedaily
The following NEW packages will be installed:
  libyadedaily python3-yadedaily yadedaily
0 upgraded, 3 newly installed, 0 to remove and 2 not upgraded.
Need to get 17.7 MB of archives.
After this operation, 124 MB of additional disk space will be used.
Do you want to continue? [Y/n] 
Get:1 http://www.yade-dem.org/packages xenial/main amd64 libyadedaily amd64 
20201005-4239~57d1c9c~xenial1-1 [12.3 MB]
Get:2 http://www.yade-dem.org/packages xenial/main amd64 python3-yadedaily 
amd64 20201005-4239~57d1c9c~xenial1-1 [3182 kB] 
  
Get:3 http://www.yade-dem.org/packages xenial/main amd64 yadedaily amd64 
20201005-4239~57d1c9c~xenial1-1 [2191 kB]   

Fetched 17.7 MB in 21s (829 kB/s)   

 
Selecting previously unselected package libyadedaily:amd64.
(Reading database ... 136169 files and directories currently installed.)
Preparing to unpack .../libyadedaily_20201005-4239~57d1c9c~xenial1-1_amd64.deb 
...
Unpacking libyadedaily:amd64 (20201005-4239~57d1c9c~xenial1-1) ...
Selecting previously unselected package python3-yadedaily.
Preparing to unpack 
.../python3-yadedaily_20201005-4239~57d1c9c~xenial1-1_amd64.deb ...
Unpacking python3-yadedaily (20201005-4239~57d1c9c~xenial1-1) ...
Selecting previously unselected package yadedaily.
Preparing to unpack .../yadedaily_20201005-4239~57d1c9c~xenial1-1_amd64.deb ...
Unpacking yadedaily (20201005-4239~57d1c9c~xenial1-1) ...
Processing triggers for mime-support (3.59ubuntu1) ...
Processing triggers for man-db (2.7.5-1) ...
Setting up libyadedaily:amd64 (20201005-4239~57d1c9c~xenial1-1) ...
Setting up python3-yadedaily (20201005-4239~57d1c9c~xenial1-1) ...
Setting up yadedaily (20201005-4239~57d1c9c~xenial1-1) ...

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Re: [Yade-users] [Question #693260]: Yade crashes at "show 3D" in Ubuntu 20.04

2020-10-06 Thread Janek Kozicki
Question #693260 on Yade changed:
https://answers.launchpad.net/yade/+question/693260

Status: Open => Answered

Janek Kozicki proposed the following answer:
Thank you. Exactly this debug log I was expecting.

So now you have confirmed the bug [1]. Until we fix it, this will
unfortunately crash. I'm sorry about that. We will let you know when
it's fixed so that you can try a new version :)

So the explanation of my puzzle was that the "mixing" of yade versions
was only the incorrect invocation yade vs. yadedaily. So everything is
clear now :)

[1] https://gitlab.com/yade-dev/trunk/-/issues/164

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Re: [Yade-users] [Question #693260]: Yade crashes at "show 3D" in Ubuntu 20.04

2020-10-05 Thread Janek Kozicki
Question #693260 on Yade changed:
https://answers.launchpad.net/yade/+question/693260

Janek Kozicki posted a new comment:
Oh, wait. You should be invoking `yadedaily -f6`. Sorry, I forgot that
yade exacutable from yadedaily package is called yadedaily ! :) Perhaps
all my other comments are irrelevant in light of this mistake ;)

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Re: [Yade-users] [Question #693260]: Yade crashes at "show 3D" in Ubuntu 20.04

2020-10-05 Thread Janek Kozicki
Question #693260 on Yade changed:
https://answers.launchpad.net/yade/+question/693260

Status: Open => Answered

Janek Kozicki proposed the following answer:
Hmm. Maybe default ubuntu terminal has different handling of output
streams. Does:

find /usr -iname "_GLViewer.so*"

return nothing also? (but it might print a lot of "Permission denied"
which are useless and were removed by that `2> /dev/null` at the end of
previous command).

Well, I reproduced that crash, so even if you managed to run yadedaily,
it would still crash :) I opened an issue to fix it: https://gitlab.com
/yade-dev/trunk/-/issues/164

We can verify by looking at crash output when you start `yade -f6`
whether you have indeed latest yade version running. You should have
something like this:

 GLViewer:53 static void yade::GLViewer::staticCloseEvent(QCloseEvent*, 
int): Accept this event: Will emit closeView for view #0
 OpenGLManager:76 virtual void yade::OpenGLManager::closeViewSlot(int): 
Closing primary view.

Another thing: maybe you installed yadedaily, but not libyadedaily ? (it
shouldn't be possible to install yadedaily without libyadedaily, because
of library dependencies). Also you might try removing yade package, and
install only yadedaily (which is a bit strange solution, because the two
versions are supposed to not interfere with each other, but we are
running out of options).

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Re: [Yade-users] [Question #693260]: Yade crashes at "show 3D" in Ubuntu 20.04

2020-10-05 Thread Janek Kozicki
Question #693260 on Yade changed:
https://answers.launchpad.net/yade/+question/693260

Janek Kozicki posted a new comment:
Also it is much better to uninstall the package via package manager than
to delete the directory manually (manual intervention is only necessary
when there is no package owning this file, which can only be a result of
some crash, e.g. a power failure).

So if `dpkg -S` told you the name of package responsible for this file,
then it is better to uninstall it via package manager.

Of course I mean uninstalling yade and yadedaily packages and various
variations of their versions that you somehow have installed :) Then you
can reinstall yadedaily again, and it should be fixed :)

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Re: [Yade-users] [Question #693260]: Yade crashes at "show 3D" in Ubuntu 20.04

2020-10-05 Thread Janek Kozicki
Question #693260 on Yade changed:
https://answers.launchpad.net/yade/+question/693260

Janek Kozicki posted a new comment:
Also, before deleting them. you can get the name of the package
responsible for the files that seem unaccounted for. Use command:

dpkg -S filename

where 'filename' is the name of the file that you wish to know which
package is responsible for this file. In fact you could try that command
even before uninstalling any package with your package manager. Just to
see how it works.

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Re: [Yade-users] [Question #693260]: Yade crashes at "show 3D" in Ubuntu 20.04

2020-10-05 Thread Janek Kozicki
Question #693260 on Yade changed:
https://answers.launchpad.net/yade/+question/693260

Status: Open => Answered

Janek Kozicki proposed the following answer:
First find all files _GLViewer.so with this command:

find / -iname "_GLViewer.so*" 2> /dev/null

there should be some of such files. They should be inside directory
names from which you could probably deduce the yade version to which
they belong.

Then try uninstalling all versions of yade using your package manager.
Then, these files should disappear. You can verify by running this
command again.

If these files have disappeared, then you are safe to install yade
again.

If they did not disappear, then what is left is the cause of your
trouble. Maybe a leftover from some interrupted installation? Most
likely you are safe to delete not only this file, but the accompanying
parent directory. But better if you investigate yourself and make backup
copies to not lose any of your data.

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Re: [Yade-users] [Question #693260]: Yade crashes at "show 3D" in Ubuntu 20.04

2020-10-05 Thread Janek Kozicki
Question #693260 on Yade changed:
https://answers.launchpad.net/yade/+question/693260

Janek Kozicki proposed the following answer:
There is still something strange in your report.

1. You are running "Yade version : 20201002-4236~57d1c9c~focal1" which is 
commit hash 57d1c9c which is latest master.
2. crash occurs in line 50 of GLViewer.cpp and line 52 of OpenGLManager.cpp

BUT, these messages are printed:
1. in line 53 : 
https://gitlab.com/yade-dev/trunk/-/blob/master/gui/qt5/GLViewer.cpp#L53
2. and in line 76: 
https://gitlab.com/yade-dev/trunk/-/blob/master/gui/qt5/OpenGLManager.cpp#L76

And also, the message in your line 50 is very different. Latest yade
cannot possibly generate such message. Because your message originates
from function named yade::GLViewer::closeEvent, but this function
actually, in commit 57d1c9c has name yade::GLViewer::staticCloseEvent.
So you are running yade version older or equal to git commit 73432b7 :
https://gitlab.com/yade-
dev/trunk/-/blob/73432b7a9/gui/qt5/GLViewer.cpp#L50 and indeed in this
old yade version the other line number of your messages matches your
report: https://gitlab.com/yade-
dev/trunk/-/blob/73432b7a9/gui/qt5/OpenGLManager.cpp#L52

which is 8 months old. I don't know how you could have possibly mixed
two yade versions.

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Re: [Yade-users] [Question #693260]: Yade crashes at "show 3D" in Ubuntu 20.04

2020-10-05 Thread Janek Kozicki
Question #693260 on Yade changed:
https://answers.launchpad.net/yade/+question/693260

Janek Kozicki posted a new comment:
https://gitlab.com/yade-dev/trunk/-/issues/164

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Re: [Yade-users] [Question #693260]: Yade crashes at "show 3D" in Ubuntu 20.04

2020-10-05 Thread Janek Kozicki
Question #693260 on Yade changed:
https://answers.launchpad.net/yade/+question/693260

Status: Open => Answered

Janek Kozicki proposed the following answer:
Thank you, the old bug is back. I now managed to reproduce it. It is
rare on my side unfortunately.

https://gitlab.com/yade-dev/trunk/-/merge_requests/437

we will get to it.

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Re: [Yade-users] [Question #693260]: Yade crashes at "show 3D" in Ubuntu 20.04

2020-10-04 Thread Janek Kozicki
Question #693260 on Yade changed:
https://answers.launchpad.net/yade/+question/693260

Status: Open => Needs information

Janek Kozicki requested more information:
All the package versions used by yade have exactly the same version
number in ubuntu 20.04 and 20.04.1, from yade perspective your system
did not change. Also I upgraded my chroot from 20.04 to 20.04.1 to make
extra tests. I could not reproduce your problem. Can you check if all
other programs work correctly for you? Maybe something else is broken.

Try running with command line argument -f6

yade -f6

What messages in the terminal do you get upon crash?

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Re: [Yade-users] [Question #693260]: Yade crashes at "show 3D" in Ubuntu 20.04

2020-10-04 Thread Janek Kozicki
Question #693260 on Yade changed:
https://answers.launchpad.net/yade/+question/693260

Status: Open => Answered

Janek Kozicki proposed the following answer:
hm, ubuntu 20.04 is well supported and should work. We need a bit more
info, can you provide the output of commad printAllVersions() from
terminal?

Also, you might want to try yadedaily: https://yade-
dem.org/doc/installation.html#packages

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Re: [Yade-users] [Question #692956]: Implementing orbital motion

2020-09-17 Thread Janek Kozicki
Question #692956 on Yade changed:
https://answers.launchpad.net/yade/+question/692956

Janek Kozicki posted a new comment:
You are welcome. Don't hesitate to ask again :)

Small fix in previous message: "starting acceleration and position" → of
course I meant position and velocity :)

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Re: [Yade-users] [Question #692956]: Implementing orbital motion

2020-09-16 Thread Janek Kozicki
Question #692956 on Yade changed:
https://answers.launchpad.net/yade/+question/692956

Janek Kozicki posted a new comment:
> Can I add a new function for defining a the forces using the 
> Clohessy–Wiltshire equationsin the GravityEngines.cpp
> based on the other functions in the file? Are there other files I must modify 
> in addition to this?

To learn how to do this, and how it all this code works in general, it
is better that first you add class NewtonGravityEngine in files
GravityEngines.cpp and GravityEngines.hpp , these two files should be
enough for start.

I suppose that the other ones would better end up in
ClohessyWiltshire.hpp  ClohessyWiltshire.cpp, because they are a bit
more complicated.

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Re: [Yade-users] [Question #692956]: Implementing orbital motion

2020-09-16 Thread Janek Kozicki
Question #692956 on Yade changed:
https://answers.launchpad.net/yade/+question/692956

Janek Kozicki posted a new comment:
Yeah, CentralGravityEngine is a really bad name. I don't think it is
used very often in yade so we could rename it to something like
CentralAccelerationEngine. Then you could use that one as the basis for
Newton's gravity and use distance as it should be used :) That would be
a simple start for you. And easy to check - since you work with orbital
mechanics, you should have simple examples at hand with starting
acceleration and position to recreate the Earth-Moon system (or maybe
even the solar system) to check this code. Basically your Newton's
gravity Engine will be extremely similar to CentralGravityEngine (to be
renamed into CentralAccelerationEngine) but you just need to add an
extra line which uses distance instead of doing normalize on that vector
:)

After you make it work, you should have enough understanding to
implement the Clohessy–Wiltshire equations.

However you will need to learn a little about how to code C++. You can
start by reading [1][2]  and you are welcome to submit merge requests on
gitlab, with your NewtonsGravityEngine and the Earth-Moon example
[3][4].

This is a bit more work than you expected at first - I suppose that you
wanted to write code in python only.

[1] https://yade-dem.org/doc/user.html
[2] https://yade-dem.org/doc/prog.html
[3] https://yade-dem.org/doc/installation.html#source-code
[4] https://yade-dem.org/doc/gitrepo.html

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Re: [Yade-users] [Question #692956]: Implementing orbital motion

2020-09-16 Thread Janek Kozicki
Question #692956 on Yade changed:
https://answers.launchpad.net/yade/+question/692956

Janek Kozicki posted a new comment:
Heh, sorry. I didn't use easier to read refs [1][2][3][4].

[1] https://yade-dem.org/doc/yade.qt.html#yade.qt._GLViewer.center
[2] https://yade-dem.org/doc/yade.wrapper.html#fieldapplier
[3] 
https://gitlab.com/yade-dev/trunk/-/blob/master/pkg/common/GravityEngines.cpp#L51
[4] https://yade-dem.org/doc/prog.html#subclassing-c-types-in-python

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Re: [Yade-users] [Question #692956]: Implementing orbital motion

2020-09-16 Thread Janek Kozicki
Question #692956 on Yade changed:
https://answers.launchpad.net/yade/+question/692956

Janek Kozicki posted a new comment:
Hi, this is a very nice idea.

If you want the qglviewer camera to follow your debirs you can for
example use function https://yade-
dem.org/doc/yade.qt.html#yade.qt._GLViewer.center , I didn't try how it
works when invoked from a python script inside an Engine loop though. I
didn't expect such kind of use for this function. So we might need to
improve it a little bit. Or maybe add some alternative toggle to always
recenter in C++ before a redraw.

I admit that the class name FieldApplier is very tempting when thinking
about gravitational filed. It is a base class for all other *Engines
that are supposed to apply some forces: https://yade-
dem.org/doc/yade.wrapper.html#fieldapplier

CentralGravityEngine does not depend on distance: https://gitlab.com
/yade-dev/trunk/-/blob/master/pkg/common/GravityEngines.cpp#L51

You will need to write your own derived class to do what you want:

>  Is there a way to define a force field using a fuction for position.
The FieldApplier looks promising, but how do I use it?

Yes, exactly. Derive a class from it and make it apply some defined
force field. You can hardcode force field in C++, or use overrideble
virtual functions to be able to write function formula inside python:
https://yade-dem.org/doc/prog.html#subclassing-c-types-in-python

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Re: [Yade-users] [Question #690973]: running on a server is slower than on a PC

2020-05-26 Thread Janek Kozicki
Question #690973 on Yade changed:
https://answers.launchpad.net/yade/+question/690973

Janek Kozicki posted a new comment:
Sorry, that was written in a hurry. I mean that you can use these two
commands to measure the computer performance using a standardized test.

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Re: [Yade-users] [Question #690973]: running on a server is slower than on a PC

2020-05-26 Thread Janek Kozicki
Question #690973 on Yade changed:
https://answers.launchpad.net/yade/+question/690973

Janek Kozicki posted a new comment:
run this command:

yade --stdperformance -j8

or this command:

yade --quickperformance -j8

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Re: [Yade-users] [Question #690973]: running on a server is slower than on a PC

2020-05-26 Thread Janek Kozicki
Question #690973 on Yade changed:
https://answers.launchpad.net/yade/+question/690973

Janek Kozicki posted a new comment:
If you have a recent yade version you can do yade --stdperformance -jN
benchmark, with same N on both systems. If the speed is not stable,
because some different programs are running it will take a long time, so
you can use  --quickperformance instead.

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