I assumed you had CUDA Toolkit installed since the nvcc and nvidia-smi returned positive results. It was a bad assumption on my part, sorry about that. Glad it worked out in the end!
Best, Nevindu On Monday, February 13, 2023 at 9:39:30 PM UTC-6 Jeremy Kimball wrote: > Seems like I've gotten it to work. I knew it was going to be an easy fix; > I just downloaded CUDA toolkit from NVIDIA ( > https://developer.nvidia.com/cuda-toolkit) and all of the demos seem to > be running fine :). > > Maybe it would be a good idea to add installing CUDA toolkit from > NVIDIA.com as a requirement on the PyChrono installation page, as I don't > think it is listed in the current steps at > https://api.projectchrono.org/pychrono_installation.html. > > Thanks so much for your help, I will be sure to reach out again if any > other issues arise. > > All the best, > > Jeremy > > On Monday, February 13, 2023 at 11:02:55 PM UTC-4 Jeremy Kimball wrote: > >> I do have the ChronoEngine_sensor.dll file in that folder. >> >> I just created a new virtual environment and followed the steps at >> https://api.projectchrono.org/pychrono_installation.html in order and >> have attached a .txt file of the entire installation process including me >> trying to run a demo in the fresh environment at the end and getting the >> same error. >> >> Yes, I can try installing PyChrono from the C++ sources next, although I >> would still like to know why the Anaconda installation is not working for >> me. >> >> If anything in that .txt file gives you any hints as to what my issue is >> please let me know. >> >> Thanks so much for your help, >> >> Jeremy >> On Monday, February 13, 2023 at 10:28:05 PM UTC-4 [email protected] wrote: >> >>> Jeremy, >>> >>> Do you have the ChronoEngine_sensor.dll file in the "C:\Users\<user >>> name>\anaconda3\pkgs\pychrono-8.0.0-py39_0\Library\bin" folder? >>> >>> I installed the same chrono build in a windows system within a conda >>> environment with python 3.9.15 and managed to run the sensor demos without >>> any issues. The issue in your build likely stems from an incomplete install >>> of any of the dependencies for the sensor module (CUDA, GLFW,...). >>> >>> Would you be open to trying installing pychrono from the C++ sources? >>> You can follow the instructions in Section B of >>> https://api.projectchrono.org/pychrono_installation.html. >>> >>> Best, >>> Nevindu >>> >>> On Monday, February 13, 2023 at 7:59:53 PM UTC-6 Jeremy Kimball wrote: >>> >>>> Thanks so much for the info Dan. Those papers look quite interesting >>>> and I'm sure that repo will be an extremely useful resource. >>>> >>>> Now I just need to get the sensor module to import! >>>> >>>> Best, >>>> >>>> Jeremy >>>> >>>> On Monday, February 13, 2023 at 9:46:42 PM UTC-4 Dan Negrut wrote: >>>> >>>>> Hey Jeremy - This is an interesting project. >>>>> >>>>> The pieces are there I think. Probably start with a demo of the HMMWV >>>>> and use rigid terrain. You can add sensors to the HMMWV model. In the >>>>> past, >>>>> we also did something like this with SCM deformable terrain. For >>>>> instance, >>>>> see here: >>>>> >>>>> “Enabling Artificial Intelligence Studies in Off-Road Mobility Through >>>>> Physics-Based Simulation of Multi-Agent Scenarios,” A. Young, J. Taves, >>>>> A. >>>>> Elmquist, S. Benatti, A. Tasora, R. Serban, D. Negrut, ASME Journal on >>>>> Computational and Nonlinear Dynamics, 17(5): 051001, 2022 >>>>> >>>>> “End-to-end learning for off-road terrain navigation using the Chrono >>>>> open-source simulation platform,” S. Benatti, A. Young, A. Elmquist, J. >>>>> Taves, A. Tasora, R. Serban, D. Negrut, Multibody System Dynamics, vol. >>>>> 54, >>>>> 399–414, 2022 >>>>> >>>>> >>>>> >>>>> Beyond looking at the examples provided in demos, another place where >>>>> you can look for tidbits is here: >>>>> https://github.com/uwsbel/public-metadata . >>>>> >>>>> Dan >>>>> >>>>> >>>>> >>>>> ------------------------------------------------- >>>>> >>>>> Bernard A. and Frances M. Weideman Professor >>>>> >>>>> NVIDIA CUDA Fellow >>>>> >>>>> Director, Wisconsin Applied Computing Center >>>>> >>>>> Department of Mechanical Engineering >>>>> >>>>> Department of Computer Science >>>>> >>>>> University of Wisconsin - Madison >>>>> >>>>> 4150ME, 1513 University Avenue >>>>> >>>>> Madison, WI 53706-1572 >>>>> >>>>> 608 772 0914 <(608)%20772-0914> >>>>> >>>>> http://sbel.wisc.edu/ >>>>> >>>>> http://projectchrono.org/ >>>>> >>>>> ------------------------------------------------- >>>>> >>>>> >>>>> >>>>> *From:* [email protected] <[email protected]> *On >>>>> Behalf Of *Jeremy Kimball >>>>> *Sent:* Monday, February 13, 2023 7:23 PM >>>>> *To:* ProjectChrono <[email protected]> >>>>> *Subject:* Re: [chrono] Re: PyChrono sensor import failed >>>>> >>>>> >>>>> >>>>> Hi Dan, >>>>> >>>>> >>>>> >>>>> Sure thing. My research is pertaining to active suspension control >>>>> with terrain preview for off-road vehicles, and so I was hoping to use >>>>> Project Chrono to play around with simulating sensor readings (LiDAR, >>>>> stereo camera) that could be used for extracting road profile information >>>>> for upcoming terrain. >>>>> >>>>> >>>>> >>>>> The ultimate goal would be to feed that sensor data into a controller >>>>> to generate the active suspension control action. I also want to look at >>>>> reinforcement learning control methods for active suspension and was >>>>> considering using Chrono as a training environment. >>>>> >>>>> >>>>> >>>>> Any thoughts on that? >>>>> >>>>> >>>>> >>>>> Jeremy >>>>> >>>>> >>>>> >>>>> On Monday, February 13, 2023 at 9:09:46 PM UTC-4 Dan Negrut wrote: >>>>> >>>>> Jeremy – also tell us, ball park, what you want to do. >>>>> >>>>> We might be able to give you one of our models, with sensors and >>>>> everything, for you to get going fast, rather than struggling to put >>>>> things >>>>> together… >>>>> >>>>> Are you into small AVs and such? I think we have one such model all >>>>> set up, ready to go. >>>>> >>>>> Dan >>>>> >>>>> >>>>> >>>>> ------------------------------------------------- >>>>> >>>>> Bernard A. and Frances M. Weideman Professor >>>>> >>>>> NVIDIA CUDA Fellow >>>>> >>>>> Director, Wisconsin Applied Computing Center >>>>> >>>>> Department of Mechanical Engineering >>>>> >>>>> Department of Computer Science >>>>> >>>>> University of Wisconsin - Madison >>>>> >>>>> 4150ME, 1513 University Avenue >>>>> >>>>> Madison, WI 53706-1572 >>>>> >>>>> 608 772 0914 <(608)%20772-0914> >>>>> >>>>> http://sbel.wisc.edu/ >>>>> >>>>> http://projectchrono.org/ >>>>> >>>>> ------------------------------------------------- >>>>> >>>>> >>>>> >>>>> *From:* [email protected] <[email protected]> *On >>>>> Behalf Of *Jeremy Kimball >>>>> *Sent:* Monday, February 13, 2023 6:20 PM >>>>> *To:* ProjectChrono <[email protected]> >>>>> *Subject:* [chrono] Re: PyChrono sensor import failed >>>>> >>>>> >>>>> >>>>> Thanks for the response! >>>>> >>>>> >>>>> >>>>> 1) My operating system is Windows 10 Enterprise >>>>> >>>>> 2) I am using Python 3.9.15 >>>>> >>>>> 3) I specified a specific package with *conda install* >>>>> *<pychrono_package>.tar.bz2. >>>>> *I used 'pychrono 8.0.0-py39_0.tar.bz2'. >>>>> >>>>> 4) Yes, I have a directory called pychrono-8.0.0-py39_0. >>>>> >>>>> >>>>> >>>>> As far as I can tell when I run "conda list" I have all of the correct >>>>> versions of the required packages. I have attached a .txt file of the >>>>> "conda list" output in the venv. Maybe there is something out of place >>>>> there that I am missing. >>>>> >>>>> >>>>> >>>>> Any ideas / other troubleshooting steps I could take? >>>>> >>>>> >>>>> >>>>> Thanks so much, >>>>> >>>>> >>>>> >>>>> Jeremy >>>>> >>>>> >>>>> >>>>> On Monday, February 13, 2023 at 7:52:04 PM UTC-4 [email protected] >>>>> wrote: >>>>> >>>>> Hi Jeremy, >>>>> >>>>> >>>>> >>>>> Can you please answer a few questions so I can understand your issue >>>>> better, >>>>> >>>>> 1. What is your Operating System? >>>>> 2. Which version of Python are you using? >>>>> 3. When you used conda to install Chrono, did you use * "conda >>>>> install -c projectchrono pychrono" *command or did you specify a >>>>> specific package with *conda install* *<pychrono_package>.tar.bz2*? >>>>> 4. Go to the anaconda installation folder: In windows: >>>>> "C:\Users\<username>\anaconda3\pkgs\", In linux: "~/anaconda3/pkgs" >>>>> and see >>>>> if you have a directory called: *pychrono-X.0.0-py3X_XXXX. *Is the >>>>> *py3X >>>>> *version consistent with your own python version? Ex: If you have >>>>> python 3.10, you should have a directory called: >>>>> pychrono-X.0.0-py310_XXXX. >>>>> >>>>> If there is a version mismatch for question 4, you need to install the >>>>> correct chrono package corresponding to your python version. Go to: >>>>> https://anaconda.org/projectchrono/pychrono/files to find the >>>>> relevant package name and use *conda install* *<pychrono_package>.tar.bz2 >>>>> *to install the package. >>>>> >>>>> >>>>> >>>>> Also, make sure you have all the requirements listed in >>>>> https://api.projectchrono.org/pychrono_installation.html properly >>>>> installed. >>>>> >>>>> >>>>> >>>>> Hope these steps fix your problem. Please let me know if this doesn't >>>>> work, so we can further look into it. >>>>> >>>>> >>>>> >>>>> Best, >>>>> >>>>> Nevindu >>>>> >>>>> On Monday, February 13, 2023 at 3:46:38 PM UTC-6 Jeremy Kimball wrote: >>>>> >>>>> Hello everyone, >>>>> >>>>> >>>>> >>>>> I am relatively new to python programming and am just getting started >>>>> with PyChrono for my masters thesis research, specifically I am >>>>> interested >>>>> in the sensor module. >>>>> >>>>> >>>>> >>>>> I have installed pychrono according to the steps outlined at: >>>>> https://api.projectchrono.org/pychrono_installation.html. >>>>> >>>>> >>>>> >>>>> All of the demos other than the sensor ones run on my machine, >>>>> however, when I attempt to run any of the sensor demos I get an import >>>>> error: ImportError: cannot import name '_sensor' from 'pychrono'. >>>>> >>>>> >>>>> >>>>> I have Nvidia graphics driver version 528.02 and my machine has an >>>>> Nvidia GeForce MX250 GPU. All of the packages in my venv seem to align >>>>> with >>>>> the required versions as per chrono documentation. >>>>> >>>>> >>>>> >>>>> I would also like to mention that I have only had success running the >>>>> other demos when either 1) in VSCode I paste all of the .dll chrono files >>>>> into the active folder or 2) when I run the demo scripts directly from >>>>> the >>>>> anaconda prompt. >>>>> >>>>> >>>>> >>>>> I am hopeful that there is a simple fix here that I am overlooking or >>>>> that other users have encountered the same issue and found a solution. >>>>> >>>>> >>>>> >>>>> Any help would be greatly appreciated. >>>>> >>>>> >>>>> >>>>> Thanks, >>>>> >>>>> >>>>> >>>>> Jeremy >>>>> >>>>> -- >>>>> 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/07475c16-26a5-40e3-b563-c30b74d36c29n%40googlegroups.com >>>>> >>>>> <https://groups.google.com/d/msgid/projectchrono/07475c16-26a5-40e3-b563-c30b74d36c29n%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/20f28c6a-7755-413f-a7f7-944dafdec4cen%40googlegroups.com >>>>> >>>>> <https://groups.google.com/d/msgid/projectchrono/20f28c6a-7755-413f-a7f7-944dafdec4cen%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/efe6129a-269a-499b-9b18-7d913088f7fen%40googlegroups.com.
