Questions tagged [mujoco]

54 questions
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AttributeError: 'NoneType' object has no attribute 'glfwGetCurrentContext'

I'm trying a tutorial on Reinforcement learning wherein I'm currently trying to use gymnasium, mujoco, to train agents. I've installed mujoco and when I try to run the program, the sim window opens for a second and throws this error. Idk what I'm…
Vaikruta
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How to install mujoco-py on windows?

I tried running the following code to test the HalfCheetah-v2 environment: import gym env = gym.make('HalfCheetah-v2') But this gives me the following error: ModuleNotFoundError: No module named 'mujoco_py' During handling of the above exception,…
mac179
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Why is semi-implicit Euler used in almost every physics engine instead of a Taylor expansion?

When studying the literature on physics engines, I've noticed that almost every physics engine uses semi-implicit Euler. The basic implementation of this uses the following two equations: However since we have the second order derivative…
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Getting `Exec format error` when trying to patch MuJoCo binaries with patchelf

I'm trying to patch the MuJoCo binaries using patchelf. I've ran patchelf --set-interpreter $(cat $NIX_CC/nix-support/dynamic-linker) ./bin/basic. And running patchelf --print-interpreter bin/basic gives me…
Elias Fyksen
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Mujoco dependency throwing a lot of errors

So I am trying to use the d4rl datasets (which require mjoco as dependency). After installing mojoco and 3 hours of dealing with visual studio errors, I got the output as seen at the end of the post (when running the program below). import…
bobthesnob
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ERROR: C:\\Program Files (x86)\\Microsoft Visual Studio\\2019\\BuildTools\\VC\\Tools\\MSVC\\14.29.30133\\bin\\HostX86\\x64\\cl.exe' failed with exit

I was trying to install Mujoco and run a simple script which is : import gym # openAi gym from gym import envs env_name = 'InvertedDoublePendulum-v2' env = gym.make(env_name) env.reset() for _ in range(1000): env.render() …
Yeo Wei jie
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UnResolvedPackage: Anaconda conda Environment O2MConverter

I have been attempting many ways to install this github repository by creating conda environment and installing dependencies and pip packages that are specified in the project O2MConverter (https://github.com/aikkala/O2MConverter.git) with…
mau
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Mujoco. Meshes are too big

I made small models in FreeCAD and Rhinoceros 3D (cm to m), when I import them to Mujoco, they are giants with giant masses, and I have to multiply gravity by 100 (and probably other options) to make them act normal. Is there a better way of doing…
Melanol
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Failed building wheel for mujoco-py

I have tried to install mujoco-py 2.1. But there is an error:command 'gcc' failed with exit status 1. It also says failed building wheel for mujoco-py. I have tried to change gcc version to gcc7, but it doesn't work. Could someone help me? Looking…
Chi Chu
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Install mujoco for C++

I was trying to install Mujoco as a library to be used in my own Cpp programs, but I don¡t know if I should build it, although it does not have any CMakeLists file. I do not have much experience using precompiled libraries, so there might be the…
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How to use actuators to control a free joint in mujoco_py?

I am using mujoco_py to build a simulation for a hand. I have some some floating fingers that I want to control using actuators. How do I control a free joint that has 7 DOF (x,y,z, rotation quaternion) with acuators? Thanks for the help!
Tob
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Mujoco fatal error, How can I set Xlib.h to my PATH?

I'm very new in Linux Terminal As I know if I edit (nano ~/.bashrc) bashrc and do export path then all files will connect with exported PATH So I did enter image description here My bashrc and did source ~/.bashrc after that I write the Mujoco my…
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1 answer

Issue setting up Environment Variables with SAME NAME on PyCharm Configuration for Mujoco_py on Ubunutu

I am trying to get my OpenAI Gym w/ MuJoCo Python files running from a PyCharm configuration but I am getting "missing path to your environment variable" exception related to mujoco_py. These are the Env Vars I can't seem to add to PyCharm because…
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2 answers

How to Use MuJoCo on Windows

This is a very easy question, but I'm struggling unreasonably hard to find answers online. DeepMind just made MuJoCo free, so I decided to download it on my Windows computer and test it out. When I install, however, all I get is a folder. I've…
Pro Q
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Convert Mujoco Depth Image to Open3D Point Cloud

I'm trying to generate an Open3D point cloud from a depth image rendered in MuJoCo. My code is below, with the MuJoCo dependency commented out and rendered depth images linked below: import math import numpy as np import open3d as o3d def…
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