agniv

Hi Hugo,

I’m in Rainbow team, not Hybrid.

Thanks for the information, I’ll stick to explicit solvers for the purpose.

Regards,
Agniv

So, can I assume that the VecDeriv object ‘f’ in the addForce() method of FastTetrahedralCorotationalForceField would provide the force on each indices?

So the inverse of the resultant of all the forces is the external force needed to cause the same displacement?

If that is correct, it will neatly solve my problem. I will try this out…[Read more]

Hey @Hugo,

Sorry for responding so late, but I indeed managed to reset the scene by re-initializing the state vectors of the MechnicalObject.

Thanks a lot for the help.

Best Regards,
Agniv.

Dear @hugo,

One more update, I tried to reset the mechanical object using:

self.myMechanicalObjectPointer.reset()

However, it still seems like the model is slowly converging back to the neutral configuration. The surface of the object slowly oscillates back to rest.

Regards,
Agniv.

Dear @Hugo

I am trying to apply a small force to a specific node along X, Y and Z axis…. and study the result of the application of this force on the object.

Given the object in its rest configuration, I apply Delta F_x, Delta F_y and Delta F_z on the node. This produces three different output, which I capture using the OBJExporter script. I…[Read more]

Hi Hugo,

Stripping down the code to the basics, and using the CMakeLists.txt you suggested results in the following compilation error:

/usr/bin/ld: cannot find -lSofaComponentCommon
collect2: error: ld returned 1 exit status
CMakeFiles/Sofa.dir/build.make:130: recipe for target 'Sofa' failed
make[2]: *** [Sofa] Error 1
CMakeFiles/Makefile2:67:…[Read more]

@egarcm Ah! Yes, those fields are empty, indeed!

Did you figure out a workaround? Is that actually the root cause?

(What OS are you using, btw? I have a suspicion, the interaction between TinyXML and Ubuntu 17 might be going wrong in my case!)

Hi @egarcm,

Do you mean sofa_scene/build/CMakeCache.txt ?

I do not have those strings in that file! In a fresh build, I do not have nearly as many lines as that.

Hi,

My CMakeLists.txt, in the SOFA scene project, now reads:

cmake_minimum_required(VERSION 3.1)
project(Sofa)

add_executable(${PROJECT_NAME} Main.cpp)
target_link_libraries(${PROJECT_NAME} SofaComponentCommon)

I ran make and sudo make install…[Read more]

The same code as given in: the demo.

I do not want Main.cpp to do much, as of now. I just want it to compile with full functionality, so that I can play around with it, and eventually do a FEM simulation of sorts.

If I link it with just SofaComponentCommon, I get a different output:

CMake Warning at CMakeLists.txt:7 (find_package):
By not providing "FindSofaComponentCommon.cmake" in CMAKE_MODULE_PATH this
project has asked CMake to find a package configuration file provided by
"SofaComponentCommon", but CMake did not find one.

Could not find a…[Read more]

I changed the cmake file to:

cmake_minimum_required(VERSION 3.1)
project(Sofa)

add_executable(${PROJECT_NAME} Main.cpp)
target_link_libraries(${PROJECT_NAME} SofaFramework SofaComponentCommon)

Looks like that worked!…[Read more]

So I change the Cmake file to:

cmake_minimum_required(VERSION 3.1)
project(Sofa)

add_executable(${PROJECT_NAME} Main.cpp)
target_link_libraries(${PROJECT_NAME} SofaFramework SofaComponentCommon)

This still does not work!

How do I do that? I tried setting SofaFramework_DIR to the build path, but that did not work.

Hi,

I have tried to build the demo scene. Here’s what I do:

I have the following directory structure:

sofa_scene
|
+—>build/
|
+—>CMakeLists.txt
|
+—>Main.cpp

The Main.cpp is an exact copy from the tutorial.

The CMakeLists.txt contains:

cmake_minimum_required(VERSION 3.1)
project(sofa_scene)

find_package(SofaFramework…[Read more]

I have the following folders in examples/Tutorials/ folder:

Basic
Collision
ForceFields
Mappings
OldTutorials
sandbox
Solvers
StepByStep
Topologies

But none of them seem to contain any cpp files.

I do understand how to create a simple scene using XML and to solve it. But how do I do the same using cpp?

Best,
Agniv.