Hi Page, That movie is about an SPH simulation. I am not familiar with either the underlying simulation or the rendering technique used. Sorry.
Ruochun On Monday, October 23, 2023 at 4:09:13 AM UTC-5 Page wrote: > Hi,Ruochun > > I am sad because DEM does not support the window system. How can I achieve > such real-time rendering effects in the window system? > > (https://www.youtube.com/watch?v=ev_WcruedXo) > > 在2023年10月22日星期日 UTC+8 23:35:49<Ruochun Zhang> 写道： > >> Hi Page, >> >> Note that right now, DEME works on Linux only and there is no integrated >> run-time visualization. But if you built it on Linux and still got syntax >> errors, you could post them here if you need help. >> >> Thank you, >> Ruochun >> >> On Sunday, October 22, 2023 at 9:43:17 AM UTC-5 Page wrote: >> >>> Hi,Radu >>> >>> Thanks for your answer, I'm really excited to explore Chrono every day. >>> I have successfully installed the VSG module, but when running the error: >>> FATAL: VulkanSceneGraph not compiled with GLSLang, unable to compile >>> shaders, I do not know how to solve. >>> >>> After that, I installed DEME, I used cmake-gui to configure, I had >>> selected TargetCXXStandard to STD_CXX17, but there were still a lot of >>> syntax errors after build. >>> >>> I saw this video (https://www.youtube.com/watch?v=ev_WcruedXo) is >>> really cool.Is this running visualization? What module? Or offline >>> rendering?where can I download this source? >>> >>> >>> >>> 在2023年10月21日星期六 UTC+8 15:03:27<Radu Serban> 写道： >>> >>>> >>>> 1. In Chrono::Multicore, the GPU is used for other types of >>>> simulation (an MPM code which is currently not actively maintained). >>>> The >>>> GPU in that model is not used to accelerate granular dynamics. >>>> 2. Currently, the Chrono::GPU module only supports run-time >>>> visualization through Chrono::OpenGL (no VSG support at this time). To >>>> get >>>> that going, you will need to set ENABLE_MODULE_OPENGL to “on” during >>>> CMake >>>> configuration and have various GL dependency libraries available. See >>>> the >>>> corresponding installation page for that module. >>>> 3. Beware of using runtime visualization with any of the GPU-0based >>>> codes. That slows down the overall simulation by quite a bit (since >>>> data >>>> needs to be transferred back and forth between the GPU and the CPU). >>>> This >>>> should only be used as a way to verify your model and simulation, and >>>> then >>>> disabled for performance runs. >>>> >>>> >>>> >>>> Regarding the errors you get while installing the VSG dependencies: >>>> >>>> 1. It seems that you are using an older version of the Chrono code. >>>> Please pull the latest code from the ‘main’ git branch. The >>>> ‘buidVSG.bat’ >>>> script in this latest code should attempt to build vsg v 1.0.7 (and not >>>> 1.0.5 as your message indicates) >>>> 2. If you want us to be able to help, please provide more complete >>>> information. In this case, please run the buildVSG.bat script from a >>>> terminal, redirect output to a file, and share that output with us. >>>> Make >>>> sure you follow the instructions in the comments at the top of >>>> buildVSG.bat >>>> and, as indicated there, edit the script as appropriate. >>>> >>>> >>>> >>>> --Radu >>>> >>>> >>>> >>>> >>>> >>>> *From:* 'Page' via ProjectChrono <[email protected]> >>>> *Sent:* Wednesday, October 18, 2023 10:37 AM >>>> *To:* ProjectChrono <[email protected]> >>>> *Subject:* Re: [chrono] Thrust library and PARALLEL module install >>>> faild >>>> >>>> >>>> >>>> Hi,Radu >>>> >>>> Thank you very much for your answer, I found the question :(Run the >>>> script from a terminal (not by double clicking on it!) I have successfully >>>> run the multicore module demo, but I still have the following >>>> questions: >>>> >>>> 1. I saw in the multicore module demo that both CPU and GPU worked, >>>> but when I increased the number of particles, the picture was very slow, >>>> and I didn't understand, Why is the GPU in the calculation, the simulation >>>> picture is still very slow? >>>> >>>> 2.So I tried to use GPU module, when running GPU module, there was no >>>> rendering window, is it because I did not install VSG module? so I >>>> tried to install VSG module, there was a problem when installing VSG >>>> module, I ran the buildVSG.bat script in the terminal,Each time I run it I >>>> get same errors, such as Failed to clone 'src/implot'. and Failed to clone >>>> 'src/imgui'. >>>> >>>> CMake Warning at CMakeLists.txt:25 (find_package): >>>> >>>> By not providing "Findvsg.cmake" in CMAKE_MODULE_PATH this project >>>> has asked CMake to find a package configuration file provided by "vsg", >>>> but CMake did not find one. >>>> >>>> >>>> >>>> Could not find a package configuration file provided by "vsg" >>>> (requested version 1.0.5) with any of the following names: >>>> >>>> vsgConfig.cmake >>>> >>>> vsg-config.cmake >>>> >>>> Add the installation prefix of "vsg" to CMAKE_PREFIX_PATH or set >>>> "vsg_DIR" to a directory containing one of the above files. If "vsg" >>>> provides a separate development package or SDK, be sure it has been >>>> installed. >>>> >>>> >>>> >>>> in C:\Packages\vsg\lib\cmake only generated 3 files >>>> :assimp-5.2,vsg,vsgXchange, no vsgImGui, what did I do wrong? >>>> >>>> Thank you very much for developing such a powerful engine >>>> >>>> >>>> >>>> 在2023年10月13日星期五 UTC+8 14:07:27<Radu Serban> 写道： >>>> >>>> Page, >>>> >>>> >>>> >>>> I just rechecked that the buildGL.bat script provided with the Chrono >>>> distribution, and everything works as expected. >>>> >>>> >>>> >>>> 1. Make sure you have the latest Chrono code. >>>> 2. As indicated in the installation instruction on the Chrono >>>> webpage, you should maybe copy the script in a temporary directory and >>>> edit >>>> it to change settings as needed on your machine (e.g., change where the >>>> GL >>>> dependencies will be installed). >>>> 3. Run the script from a terminal (not by double clicking on it!). >>>> This script will download, uncompress, configure, build, and install >>>> the GL >>>> dependency libraries. >>>> 4. When running, the script will create additional subdirectories. >>>> Check that the ‘download_gl/’ directory contains the expected >>>> downloaded >>>> packages. Check that the ‘build_glew/’ and ‘build_glfw/’ directories >>>> were >>>> created. >>>> 5. Check the output of running the buildGL.bat script to figure out >>>> what goes wrong in your case. >>>> 6. Finally, check that the installation directory (the location you >>>> selected when editing your local copy of the script in step 2 above) >>>> contains 3 subdirectories, named ‘bin/’, ‘include/’, and ‘lib/’. >>>> >>>> >>>> >>>> Once you successfully get the GL dependencies built and installed, when >>>> configuring Chrono with CMake, you will need to set the GLEW_DIR and >>>> GLM_INCLUDE_DIR variables appropriately to point to the corresponding >>>> directories in the GL install directory. >>>> >>>> >>>> >>>> --Radu >>>> >>>> >>>> >>>> *From:* 'Page' via ProjectChrono <[email protected]> >>>> *Sent:* Friday, October 13, 2023 3:52 AM >>>> *To:* ProjectChrono <[email protected]> >>>> *Subject:* Re: [chrono] Thrust library and PARALLEL module install >>>> faild >>>> >>>> >>>> >>>> Hi,Radu >>>> >>>> Thanks for your reply, I found the multicore module. The Demo ran >>>> successfully, but I still have to install the OpengGL module for >>>> visualization, as per this page >>>> https://api.projectchrono.org/module_opengl_installation.html to >>>> install opengl,after clicking builtsl.bat, in my C:\Packages\gl directory >>>> only the include file is generated, and there is no lib folder as >>>> described >>>> in the documentation >>>> >>>> CMake Error at >>>> D:/CMake/cmake-3.27.6-windows-x86_64/share/cmake-3.27/Modules/FindPackageHandleStandardArgs.cmake:230 >>>> >>>> (message): >>>> Could NOT find GLEW (missing: GLEW_INCLUDE_DIRS GLEW_LIBRARIES) >>>> Call Stack (most recent call first): >>>> D:/CMake/cmake-3.27.6-windows-x86_64/share/cmake-3.27/Modules/FindPackageHandleStandardArgs.cmake:600 >>>> >>>> (_FPHSA_FAILURE_MESSAGE) >>>> D:/CMake/cmake-3.27.6-windows-x86_64/share/cmake-3.27/Modules/FindGLEW.cmake:238 >>>> >>>> (find_package_handle_standard_args) >>>> src/chrono_opengl/CMakeLists.txt:42 (find_package) >>>> >>>> I need your help >>>> >>>> >>>> >>>> 在2023年10月11日星期三 UTC+8 13:45:21<Radu Serban> 写道： >>>> >>>> The “parallel” module was renamed (a long time ago) to the “multicore” >>>> module. This is why you cannot find it or enable it during CMake >>>> configuration. (As a side note, I have no idea where/how you got the link >>>> you posted below!) >>>> >>>> >>>> >>>> Having said that, this multicore module offers parallelization through >>>> OpenMP. For better performance, you should look at the Chrono::GPU module >>>> which also offers DEM capabilities (albeit only the so-called “penalty >>>> formulation”) or better yet to the newer DEME >>>> <https://github.com/projectchrono/DEM-Engine> package. The latter two >>>> are GPU codes (based on CUDA, hence requiring an Nvidia GPU). >>>> >>>> >>>> >>>> Note that the Thrust library comes with any recent CUDA distribution, >>>> so there’s nothing you need to do about Thrust if you install CUDA (which >>>> you will need anyway if you want to use any of the GPU codes). The >>>> Chrono::Multicore module also requires Thrust (but uses its OpenMP >>>> backend). If you do not have an Nvidia GPU and only want to use the >>>> Chrono::Multicore module, you can indeed get Thrust stand-alone. But even >>>> then, Thrust is a headers-only library, so there’s no need to build >>>> anything to be able to use it. >>>> >>>> >>>> >>>> --Radu >>>> >>>> >>>> >>>> *From:* 'Page' via ProjectChrono <[email protected]> >>>> *Sent:* Wednesday, October 11, 2023 4:38 AM >>>> *To:* ProjectChrono <[email protected]> >>>> *Subject:* [chrono] Thrust library and PARALLEL module install faild >>>> >>>> >>>> >>>> Hello All, >>>> >>>> I'm beginner to chrono, and I'm particularly interested in small >>>> particle fluid simulation, so I downloaded the source code for >>>> demo_MBS_sph, but it's very slow and I want to learn how to use a GPU for >>>> acceleration. So I downloaded the demo_GPU_ballCosim source code to study, >>>> but couldn't figure out why it didn't have a visual rendering window. I >>>> wanted to use the PARALLEL module, but I had a problem installing it. >>>> >>>> 1. After the Thrust library was downloaded, it took 6 hours to build >>>> and 4 errors occurred. error MSB3721: The command "C:\Program Files\NVIDIA >>>> GPU Computing Toolkit\CUDA\v12.0\bin\nvcc.exe" -- use-local-env-ccbin >>>> "E:\VS2022\IDE\VC\Tools\MSVC\14.33.31629\bin\HostX64\x64" -x cu-IE >>>> :\Chrono\Thrust\thrust\testing -IE:\Chrono\Thrust\thrust\thrust\cmake\.. >>>> \.. -IE:\Chrono\Thrust\thrust\dependencies\libcudacxx\include >>>> -IE:\Chrono\Thrust\thrust\dependencies\cub\cub\cmake\.. \.. -I"C:\Program >>>> Files\NVIDIA GPU Computing Toolkit\CUDA\v12.0\include" --keep-dir x64\ >>>> Debug-maxrregcount =0 --machine 64 --compile -cudart static -gencode >>>> arch=compute_90,code=compute_90 -gencode arch=compute_50,code=sm_50 >>>> -gencode arch=compute_52,code=sm_52 -gencode arch=compute_53,code=sm_53 >>>> -gencode arch=compute_60,code=sm_60 -gencode arch=compute_61,code=sm_61 >>>> -gencode arch=compute_62,code=sm_62 -gencode arch=compute_70,code=sm_70 >>>> -gencode arch=compute_72,code=sm_72 -gencode arch=compute_75,code=sm_75 >>>> -gencode arch=compute_80,code=sm_80 -gencode arch=compute_86,code=sm_86 >>>> -gencode arch=compute_90,code=sm_90 -std=c++14 >>>> -Xcudafe=--display_error_number -Wno-deprecated-gpu-targets >>>> -Xcudafe=--promote_warnings -Xcompiler="/EHsc -Zi -Ob0 /wd4324 /wd4505 >>>> /wd4706 /wd4244 /wd4146 /wd4494 /bigobj /wd4127" -g -D_WINDOWS >>>> -DTHRUST_TEST_DEVICE_SIDE -DTHRUST_HOST_SYSTEM=THRUST_HOST_SYSTEM_CPP >>>> -DTHRUST_DEVICE_SYSTEM=THRUST_DEVICE_SYSTEM_CUDA -DNOMINMAX >>>> -D"CMAKE_INTDIR=\"Debug\"" -D_MBCS -D"CMAKE_INTDIR=\"Debug\"" -Xcompiler >>>> "/EHsc /W4 /nologo /Od /Fdthrust.test.copy.dir\Debug\vc143.pdb /FS /Zi >>>> /RTC1 /MDd /GR" -o thrust.test.copy.dir\Debug\copy.obj >>>> "E:\Chrono\Thrust\thrust\testing\copy.cu" has exited, returning code >>>> 1. 81> The thrust.test.copy.vcxproj project has been generated. - Failed. >>>> >>>> 2.I will ignore these mistakes for the time being.look at the tutorial : >>>> >>>> https://api.projectchrono.org/module_parallel_installation.html >>>> >>>> to continue to do, I want to start the PARALLEL cmake configuration >>>> module, but there was no E I cmake NABLE_MODULE_PARALLEL This option. >>>> >>>> 3. I want to ask, want to see the small particle simulation project, >>>> but also want to make the project run faster, what should I do? Thank you >>>> very much. >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "ProjectChrono" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/projectchrono/3728dd7f-a81b-4188-95a6-656528e2034cn%40googlegroups.com >>>> >>>> <https://groups.google.com/d/msgid/projectchrono/3728dd7f-a81b-4188-95a6-656528e2034cn%40googlegroups.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "ProjectChrono" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> >>>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/projectchrono/c12cb0c4-db52-4d3e-aed7-a0ebf5aca838n%40googlegroups.com >>>> >>>> <https://groups.google.com/d/msgid/projectchrono/c12cb0c4-db52-4d3e-aed7-a0ebf5aca838n%40googlegroups.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "ProjectChrono" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> >>>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/projectchrono/af3064a1-0cd7-4ec8-bafc-4be8061c09d3n%40googlegroups.com >>>> >>>> <https://groups.google.com/d/msgid/projectchrono/af3064a1-0cd7-4ec8-bafc-4be8061c09d3n%40googlegroups.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>> -- You received this message because you are subscribed to the Google Groups "ProjectChrono" group. 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