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/b8874c51-8d1c-4cf6-91ea-80dc67d8ca20n%40googlegroups.com.
(base) C:\Users\jkimball>conda create -n venv python=3.9
Retrieving notices: ...working... done
Collecting package metadata (current_repodata.json): done
Solving environment: done
## Package Plan ##
environment location: C:\Users\jkimball\Anaconda3\envs\venv
added / updated specs:
- python=3.9
The following packages will be downloaded:
package | build
---------------------------|-----------------
ca-certificates-2023.01.10 | haa95532_0 121 KB
certifi-2022.12.7 | py39haa95532_0 149 KB
openssl-1.1.1t | h2bbff1b_0 5.5 MB
pip-22.3.1 | py39haa95532_0 2.7 MB
python-3.9.16 | h6244533_0 19.4 MB
setuptools-65.6.3 | py39haa95532_0 1.1 MB
sqlite-3.40.1 | h2bbff1b_0 889 KB
tzdata-2022g | h04d1e81_0 114 KB
vc-14.2 | h21ff451_1 8 KB
vs2015_runtime-14.27.29016 | h5e58377_2 1007 KB
wheel-0.37.1 | pyhd3eb1b0_0 33 KB
wincertstore-0.2 | py39haa95532_2 15 KB
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ca-certificates pkgs/main/win-64::ca-certificates-2023.01.10-haa95532_0
certifi pkgs/main/win-64::certifi-2022.12.7-py39haa95532_0
openssl pkgs/main/win-64::openssl-1.1.1t-h2bbff1b_0
pip pkgs/main/win-64::pip-22.3.1-py39haa95532_0
python pkgs/main/win-64::python-3.9.16-h6244533_0
setuptools pkgs/main/win-64::setuptools-65.6.3-py39haa95532_0
sqlite pkgs/main/win-64::sqlite-3.40.1-h2bbff1b_0
tzdata pkgs/main/noarch::tzdata-2022g-h04d1e81_0
vc pkgs/main/win-64::vc-14.2-h21ff451_1
vs2015_runtime pkgs/main/win-64::vs2015_runtime-14.27.29016-h5e58377_2
wheel pkgs/main/noarch::wheel-0.37.1-pyhd3eb1b0_0
wincertstore pkgs/main/win-64::wincertstore-0.2-py39haa95532_2
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#
# To activate this environment, use
#
# $ conda activate venv
#
# To deactivate an active environment, use
#
# $ conda deactivate
(base) C:\Users\jkimball>conda activate venv
(venv) C:\Users\jkimball>conda install -c conda-forge mkl=2020
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environment location: C:\Users\jkimball\Anaconda3\envs\venv
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- mkl=2020
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intel-openmp conda-forge/win-64::intel-openmp-2023.0.0-h57928b3_25922
mkl conda-forge/win-64::mkl-2020.4-hb70f87d_311
The following packages will be SUPERSEDED by a higher-priority channel:
ca-certificates pkgs/main::ca-certificates-2023.01.10~ -->
conda-forge::ca-certificates-2022.12.7-h5b45459_0
certifi pkgs/main/win-64::certifi-2022.12.7-p~ -->
conda-forge/noarch::certifi-2022.12.7-pyhd8ed1ab_0
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(venv) C:\Users\jkimball>conda install -c conda-forge numpy=1.24.0
Collecting package metadata (current_repodata.json): done
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solve.
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## Package Plan ##
environment location: C:\Users\jkimball\Anaconda3\envs\venv
added / updated specs:
- numpy=1.24.0
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package | build
---------------------------|-----------------
openssl-1.1.1t | hcfcfb64_0 5.0 MB conda-forge
------------------------------------------------------------
Total: 5.0 MB
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libblas conda-forge/win-64::libblas-3.9.0-8_mkl
libcblas conda-forge/win-64::libcblas-3.9.0-8_mkl
liblapack conda-forge/win-64::liblapack-3.9.0-8_mkl
numpy conda-forge/win-64::numpy-1.24.0-py39hbccbffa_0
python_abi conda-forge/win-64::python_abi-3.9-2_cp39
ucrt conda-forge/win-64::ucrt-10.0.22621.0-h57928b3_0
The following packages will be UPDATED:
vs2015_runtime pkgs/main::vs2015_runtime-14.27.29016~ -->
conda-forge::vs2015_runtime-14.34.31931-h4c5c07a_10
The following packages will be SUPERSEDED by a higher-priority channel:
openssl pkgs/main::openssl-1.1.1t-h2bbff1b_0 -->
conda-forge::openssl-1.1.1t-hcfcfb64_0
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(venv) C:\Users\jkimball>conda install -c conda-forge irrlicht=1.8.5
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## Package Plan ##
environment location: C:\Users\jkimball\Anaconda3\envs\venv
added / updated specs:
- irrlicht=1.8.5
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package | build
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bzip2-1.0.8 | h8ffe710_4 149 KB conda-forge
jpeg-9e | hcfcfb64_3 283 KB conda-forge
libpng-1.6.39 | h19919ed_0 336 KB conda-forge
sdl2-2.26.3 | h63175ca_0 2.0 MB conda-forge
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bzip2 conda-forge/win-64::bzip2-1.0.8-h8ffe710_4
irrlicht conda-forge/win-64::irrlicht-1.8.5-h739eaf8_2
jpeg conda-forge/win-64::jpeg-9e-hcfcfb64_3
libpng conda-forge/win-64::libpng-1.6.39-h19919ed_0
libzlib conda-forge/win-64::libzlib-1.2.13-hcfcfb64_4
sdl conda-forge/win-64::sdl-1.2.60-h63175ca_0
sdl2 conda-forge/win-64::sdl2-2.26.3-h63175ca_0
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(venv) C:\Users\jkimball>conda install -c conda-forge pythonocc-core=7.4.1
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Solving environment: failed with initial frozen solve. Retrying with flexible
solve.
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## Package Plan ##
environment location: C:\Users\jkimball\Anaconda3\envs\venv
added / updated specs:
- pythonocc-core=7.4.1
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package | build
---------------------------|-----------------
expat-2.5.0 | h1537add_0 339 KB conda-forge
fontconfig-2.14.2 | hbde0cde_0 186 KB conda-forge
freetype-2.12.1 | h546665d_1 486 KB conda-forge
tbb-2020.2 | h2d74725_4 175 KB conda-forge
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expat conda-forge/win-64::expat-2.5.0-h1537add_0
fontconfig conda-forge/win-64::fontconfig-2.14.2-hbde0cde_0
freetype conda-forge/win-64::freetype-2.12.1-h546665d_1
libiconv conda-forge/win-64::libiconv-1.17-h8ffe710_0
occt conda-forge/win-64::occt-7.4.0-h823b557_3
pythonocc-core conda-forge/win-64::pythonocc-core-7.4.1-py39h3d1c7c5_0
six conda-forge/noarch::six-1.16.0-pyh6c4a22f_0
tbb conda-forge/win-64::tbb-2020.2-h2d74725_4
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(venv) C:\Users\jkimball>conda install -c nvidia/label/cuda-11.7.0 cuda-toolkit
Collecting package metadata (current_repodata.json): done
Solving environment: done
## Package Plan ##
environment location: C:\Users\jkimball\Anaconda3\envs\venv
added / updated specs:
- cuda-toolkit
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cuda-cccl nvidia/label/cuda-11.7.0/win-64::cuda-cccl-11.7.58-0
cuda-command-line~
nvidia/label/cuda-11.7.0/win-64::cuda-command-line-tools-11.7.0-0
cuda-compiler nvidia/label/cuda-11.7.0/win-64::cuda-compiler-11.7.0-0
cuda-cudart nvidia/label/cuda-11.7.0/win-64::cuda-cudart-11.7.60-0
cuda-cudart-dev nvidia/label/cuda-11.7.0/win-64::cuda-cudart-dev-11.7.60-0
cuda-cuobjdump nvidia/label/cuda-11.7.0/win-64::cuda-cuobjdump-11.7.50-0
cuda-cupti nvidia/label/cuda-11.7.0/win-64::cuda-cupti-11.7.50-0
cuda-cuxxfilt nvidia/label/cuda-11.7.0/win-64::cuda-cuxxfilt-11.7.50-0
cuda-documentation
nvidia/label/cuda-11.7.0/win-64::cuda-documentation-11.7.50-0
cuda-libraries nvidia/label/cuda-11.7.0/win-64::cuda-libraries-11.7.0-0
cuda-libraries-dev
nvidia/label/cuda-11.7.0/win-64::cuda-libraries-dev-11.7.0-0
cuda-memcheck nvidia/label/cuda-11.7.0/win-64::cuda-memcheck-11.7.50-0
cuda-nsight-compu~
nvidia/label/cuda-11.7.0/win-64::cuda-nsight-compute-11.7.0-0
cuda-nvcc nvidia/label/cuda-11.7.0/win-64::cuda-nvcc-11.7.64-0
cuda-nvdisasm nvidia/label/cuda-11.7.0/win-64::cuda-nvdisasm-11.7.50-0
cuda-nvml-dev nvidia/label/cuda-11.7.0/win-64::cuda-nvml-dev-11.7.50-0
cuda-nvprof nvidia/label/cuda-11.7.0/win-64::cuda-nvprof-11.7.50-0
cuda-nvprune nvidia/label/cuda-11.7.0/win-64::cuda-nvprune-11.7.50-0
cuda-nvrtc nvidia/label/cuda-11.7.0/win-64::cuda-nvrtc-11.7.50-0
cuda-nvrtc-dev nvidia/label/cuda-11.7.0/win-64::cuda-nvrtc-dev-11.7.50-0
cuda-nvtx nvidia/label/cuda-11.7.0/win-64::cuda-nvtx-11.7.50-0
cuda-nvvp nvidia/label/cuda-11.7.0/win-64::cuda-nvvp-11.7.50-0
cuda-sanitizer-api
nvidia/label/cuda-11.7.0/win-64::cuda-sanitizer-api-11.7.50-0
cuda-toolkit nvidia/label/cuda-11.7.0/win-64::cuda-toolkit-11.7.0-0
cuda-tools nvidia/label/cuda-11.7.0/win-64::cuda-tools-11.7.0-0
cuda-visual-tools nvidia/label/cuda-11.7.0/win-64::cuda-visual-tools-11.7.0-0
libcublas nvidia/label/cuda-11.7.0/win-64::libcublas-11.10.1.25-0
libcublas-dev nvidia/label/cuda-11.7.0/win-64::libcublas-dev-11.10.1.25-0
libcufft nvidia/label/cuda-11.7.0/win-64::libcufft-10.7.2.50-0
libcufft-dev nvidia/label/cuda-11.7.0/win-64::libcufft-dev-10.7.2.50-0
libcurand nvidia/label/cuda-11.7.0/win-64::libcurand-10.2.10.50-0
libcurand-dev nvidia/label/cuda-11.7.0/win-64::libcurand-dev-10.2.10.50-0
libcusolver nvidia/label/cuda-11.7.0/win-64::libcusolver-11.3.5.50-0
libcusolver-dev
nvidia/label/cuda-11.7.0/win-64::libcusolver-dev-11.3.5.50-0
libcusparse nvidia/label/cuda-11.7.0/win-64::libcusparse-11.7.3.50-0
libcusparse-dev
nvidia/label/cuda-11.7.0/win-64::libcusparse-dev-11.7.3.50-0
libnpp nvidia/label/cuda-11.7.0/win-64::libnpp-11.7.3.21-0
libnpp-dev nvidia/label/cuda-11.7.0/win-64::libnpp-dev-11.7.3.21-0
libnvjpeg nvidia/label/cuda-11.7.0/win-64::libnvjpeg-11.7.2.34-0
libnvjpeg-dev nvidia/label/cuda-11.7.0/win-64::libnvjpeg-dev-11.7.2.34-0
nsight-compute
nvidia/label/cuda-11.7.0/win-64::nsight-compute-2022.2.0.13-0
The following packages will be UPDATED:
ca-certificates conda-forge::ca-certificates-2022.12.~ -->
pkgs/main::ca-certificates-2023.01.10-haa95532_0
The following packages will be SUPERSEDED by a higher-priority channel:
certifi conda-forge/noarch::certifi-2022.12.7~ -->
pkgs/main/win-64::certifi-2022.12.7-py39haa95532_0
openssl conda-forge::openssl-1.1.1t-hcfcfb64_0 -->
pkgs/main::openssl-1.1.1t-h2bbff1b_0
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Downloading and Extracting Packages
Preparing transaction: done
Verifying transaction: done
Executing transaction: done
(venv) C:\Users\jkimball>conda install -c conda-forge glfw
Collecting package metadata (current_repodata.json): done
Solving environment: done
## Package Plan ##
environment location: C:\Users\jkimball\Anaconda3\envs\venv
added / updated specs:
- glfw
The following NEW packages will be INSTALLED:
glfw conda-forge/win-64::glfw-3.3.8-h8ffe710_0
The following packages will be SUPERSEDED by a higher-priority channel:
ca-certificates pkgs/main::ca-certificates-2023.01.10~ -->
conda-forge::ca-certificates-2022.12.7-h5b45459_0
certifi pkgs/main/win-64::certifi-2022.12.7-p~ -->
conda-forge/noarch::certifi-2022.12.7-pyhd8ed1ab_0
openssl pkgs/main::openssl-1.1.1t-h2bbff1b_0 -->
conda-forge::openssl-1.1.1t-hcfcfb64_0
Proceed ([y]/n)? y
Downloading and Extracting Packages
Preparing transaction: done
Verifying transaction: done
Executing transaction: done
(venv) C:\Users\jkimball>conda install
"C:\Users\jkimball\Downloads\pychrono-8.0.0-py39_0.tar.bz2"
Downloading and Extracting Packages
Downloading and Extracting Packages
Preparing transaction: done
Verifying transaction: done
Executing transaction: done
(venv) C:\Users\jkimball>cd "C:\Users\jkimball\Desktop\chrono_test2"
(venv) C:\Users\jkimball\Desktop\chrono_test2>python demo_SEN_sensors.py
Traceback (most recent call last):
File "C:\Users\jkimball\Desktop\chrono_test2\demo_SEN_sensors.py", line 21,
in <module>
import pychrono.sensor as sens
File
"C:\Users\jkimball\Anaconda3\envs\venv\lib\site-packages\pychrono\sensor.py",
line 10, in <module>
from . import _sensor
ImportError: cannot import name '_sensor' from 'pychrono'
(C:\Users\jkimball\Anaconda3\envs\venv\lib\site-packages\pychrono\__init__.py)
(venv) C:\Users\jkimball\Desktop\chrono_test2>
