[Hugo]

Hi @brunob81hk

For your information, a plugin has recently been released by @froy : SOFA GLFW. This plugin now brings a simple GUI based on GLFW in SOFA. The PR #2062 integrates it within SOFA (subdir) so that you can run :
./runSofa -g glfw

Regarding your problem, I am sure @froy would be able to help. Sorry I am not myself an expert in rendering paths. I guess here the openGL path and GLFW path are not always compatible.

I hope this helps already a bit.
Best

Hugo

[Hugo]

Hi @sergiopm23

Sorry for the latency.
Yes there is, you should find in the SofaPython3 plugin an example folder containing two examples:
– emptyController.py
– example-scriptcontroller.py

Hope this helps.
Best wishes

Hugo

[Hugo]

Dear @arsalan

If by virtual commissioning, you mean perform a simulation of a virtual version of your mechanical system, yes. Could you elaborate a bit more about your expectations?

Best wishes,

Hugo

[Hugo]

Hi @antonio-8196

You are using a SOFA binary which have been compiled using python3.7, you have the python3.8 installed on your machine.

You need to install the 3.7 version as stated here.

Best wishes

Hugo

[Hugo]

Ciao @chiarasapo

Sorry for keeping you waiting, the organization of the STC#11 is keeping us busy.

Thank you for your feeback.
Would you be able to make us a video of your interaction?
Could you try to activate the View option “Interaction” and “Collision Models” (in the left hand side panel)?
Do you have an idea of the approximate volume of your object?
If I compare to the scene Geomagic-RigidSkull.scn I see that the VectorSpringForceField are missing, right?

Best,

Hugo

[Hugo]

Hi @pasquale94

You are referring to a private plugin. This does therefore not make sense to discuss it here. I close the topic. We keep in touch anyway 😉

Hugo

[Hugo]

Hi @dinary

I think the answer is in the error: you are missingsystem filesystem program_options. I think it found the headers but not the libs. As suggested on this forum, you need to set BOOST_ROOT or Boost_DIR

How did you install boost?

Best wishes,

Hugo

[Hugo]

Hi @SergioPM23,

1) If you want to compile yourself (as you mentioned in the first place), you must make sure that you use the same compatible branches for SOFA and the SofaPython3 plugin (like v20.12 branch for both or the master branch for both).

Then, once SOFA is compiled and installed, when compiling your SofaPython3 plugin out-of-tree, you will need to define the path to the SOFA install dir in the variable CMAKE_PREFIX_PATH. All the installation steps are detailed here for SofaPython3.

2) An alternative is to use the binaries. SofaPython3 is already compiled and shipped with these binaries. How to use it? Please see the associated page here.

Best wishes,

Hugo

[Hugo]

Hi @zaread

When does this error occur? At the loading of the plugin SoftRobots? at the launching of the step5.pyscn file?

Best

Hugo

[Hugo]

Dear @zilinsi

Did you compile both SOFA and SofaPython3 yourself from sources? or did you use the binary distributed on our download page?

Best,

Hugo

[Hugo]

Hi @wandelkstudent-ethz-ch

First of all, sorry for the delay. We are kept busy with the organization of the STC#11.

Have you tried this example of a controller: example-scriptcontroller.py or emptyController.py? I will investigate the issue with the keyEvent.py (due to Sofa.constants)

Best wishes,

Hugo

[Hugo]

Hi @yupeng @akthetimes

Do not forget to keep us posted in this forum thread as well about your progresses!
Looking forward to hearing from you again.
Best,

Hugo

[Hugo]

Ciao @chiarasapo

Thanks for sharing your code, it helps in assisting you!
I did not test it because I do not have the Geomagic plugin compiled here.

But could you try to set a data compliance in the UncoupledConstraintCorrection of the skin :

    skin.addObject('UncoupledConstraintCorrection', compliance=0.001)

and tell me if it moves?
If it works I would explain 😉

Hugo

[Hugo]

Hi @brunob81hk

Sorry but by reading throughout the topic again, I realize your purpose is to build a connector between an interface and a virtual object in the scene.

The way we usually do it is by building a C++ driver component (recovering information from your interface). As being a SOFA component, this driver has Data which a mechanical object could then be linked against.

Could you take a look at the Geomagic plugin (especially the class GeomagicDriver)?

Best

Hugo

[Hugo]

You can follow this documentation page. step by step.

All info is in it.
Let us know if a section is unclear.

Hugo

[Hugo]

Hi @aryakarani

The kind of ConstraintCorrection you use will affect how the compliance matrix W is built. As you can see from the equation:

W is homogeneous to A-1. In mechanics, A mostly include the mass and possibly stiffness matrix. Therefore, when using the UncoupledConstraintCorrection which is simplifying W as a diagonal constant matrix, I proposed to set the compliance to 1/mass_per_vertex. Do you see my point?

Regarding your scene, it is strange to me to set your floor as a child of the deformable object. Can you share your scene and explain what you expect from your simulation (deformable object / floor)?

Hugo

[Hugo]

Hi @anthony

You can follow Chris advice. The error seems to assume that the dll is not in the given path. Can you see it?

Hugo

[Hugo]

Ola @sergiopm23

Are you using the binary version of SOFA (if so which version) or the sources compiled yourself (if so which branch)?

Now, you downloaded the SofaPython3 plugin sources. On which branch are you currently?

My questions will help me confirming that it is a compatibility problem between your SOFA and your SofaPython3 plugin.
Best,

Hugo

[Hugo]

Great to hear @chiarasapo
Use the forum anytime for other questions. I close this topic.

Best

Hugo

[Hugo]

No but you may have to specify this path where you installed boost in the CMake configuration step.
Best wishes,

Hugo

[Hugo]

Yes, using a controller in python you will be able to do so.
You have an example of it here: https://github.com/sofa-framework/SofaPython3/blob/master/examples/emptyController.py

The documentation about the SofaPython3 plugin is available here.

Best

Hugo

[Hugo]

Hi @zaread

It seems you are trying to use the STLIB plugin.
Have you loaded it?

Best

Hugo

[Hugo]

Hi @serkan-ergun

Since January 2021, we moved to the SofaPython3 plugin which allow to use SOFA with python3 and from a python3.* environment.

Scenes are written in a slightly different way. You can find a list of examples in SofaPython3/examples/.

You can especially look at :
– basic.py
– basic-GUI.py
– example-scriptcontroller.py

Best

Hugo

[Hugo]

Hi @kaziabduljamil

As CMake is outputting in the error message you need to install boost.
It appears in the required dependencies.

Boost must be with version >= 1.65.1
Download and install latest Boost from https://boost.teeks99.com.
– Users with Windows 64-bit and VS 2019: choose boost_X_X_X-msvc-14.2-64.exe
– Users with Windows 64-bit and VS 2017: choose boost_X_X_X-msvc-14.1-64.exe
– Users with Windows 32-bit and VS 2019: choose boost_X_X_X-msvc-14.2-32.exe
– Users with Windows 32-bit and VS 2017: choose boost_X_X_X-msvc-14.1-32.exe

Best wishes,

Hugo

[Hugo]

Hi @jjcasmar

As said on Gitter, you can give a look at Jean Nicolas’ work in Caribou : https://github.com/jnbrunet/caribou/tree/master/src/SofaCaribou/Solver

I think it is pretty close to what you are looking for.
Could you keep us posted about your journey?

Best

Hugo

[Author]

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