Topo Error #18
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GitMate.io thinks possibly related issues are #12 (Brain import error), #13 (Import error: cannot import _cntr), and #17 (Hello I cant open visbrain everytime i get same error ). |
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Hi @STREETKILLER007 , the command |
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the command pip install matplotlib==2.1.0 doesn't work. |
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May be this can help you, but I can't really help as I'v never experienced issues with matplotlib installation... |
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i see, i try to read through and try it out. |
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update information
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Can you try to create a python 3.6 environnement? |
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since i am using python 3.7 and my pc can't support visual machine, so i am trying to uninstall python 3.7 and install python 3.6. |
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i installed python 3.6. i run the code from my desktop. but another question appeared.
=== but i saw the package in under C:\Users\JamesTan. tried comment tried comment |
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I solved ModuleNotFound by following : i tried to remove visbrain folder from C:\Users\JamesTan. tried comment i tried to run this file from my desktop. it pops out this error. the error message is as below |
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i tried to download python 3.5.2 and deleted python 3.6. and tried when i try to run this. it still pops out this error. the error message still the same |
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I'm not sure to understand why you can't have multiple environnement without removing / installing different python versions. You can install a package manager like anaconda and have multiple environnements. Matplotlib installation run smoothly? I guess PyQt5 is not properly installed. It could also be an issue with ipython. Try to download this python source code and then from your terminal run |
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i tried to download the python source code that you provided, then from my terminal, i run it pops up an error message, which is I tried to install anaconda. |
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i was using python 3.5.2. |
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tried to run this program using python 3.6 environment created by anaconda. still show by the way, PyQt5 was already at latest version. |
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I tried to post this situation in stack over flow. You can refer to this |
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On stack overflow you said you tried to install PyQt using |
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i believe pyqt5 and PyQt5 are the same. |
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well, yes... But I remember that using conda I had to |
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i will try and see. |
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Ok you don't use conda? |
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i am using conda to set up a python 3.6.0 environment. i am trying to work out on my real environment. |
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Ok. I also remember that the PyQt5 import fail if it was using the conda one. May be you could remove PyQt5 and try to install it again using |
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i will try to remove PyQt5 from my real environment using |
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ok, i tried to remove remove PyQt5 from my real environment using but it still pops out the same error. |
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May be this can be interesting if you don't already saw it ! |
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but the link that you shared is mostly on visual environment. |
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Yes, but some people experienced issues with miktex |
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i uninstalled matplotlib by but it still pop out the same error. by the way, i did not install miktex on my machine. |
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in my Anaconda3 environment, i am using python 3.6. pip list of the environment. tried to run the compatible error occured, forced to me to use matplotlib 2.1.0 |
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Install the latest vispy version : |
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If I remember correctly, vispy was using
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When i typed I try to install vispy latest version, hope it helps. |
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tried pip list again. it is still the same. Vispy is in latest version. They are trying to solve VisPy is not yet compatible with matplotlib 2.2+ as you said. PyQt5 is in latest version. I upgraded PyQt5 just now because i downgraded PyQt5 to 5.10.1. Tried |
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Ok, for now, forget about the latest vispy version and compatibility with matplotlib. Vispy example is still working? |
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tried this example https://github.com/vispy/vispy/blob/master/examples/basics/gloo/display_lines.py It pops out this error. |
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What do you mean "I tried this example [...] under visbrain"? I thought vipy was working? You still have the same backend issue. If you're still stuck with visbrain, I know that mne-python can also plot topo plot. See this for example |
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"I tried this example [...] under visbrain" mean that i tried https://github.com/vispy/vispy/blob/master/examples/basics/gloo/display_lines.py after i installed Visbrain.
https://github.com/vispy/vispy/blob/master/examples/basics/gloo/display_lines.py example result. |
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Update i created another environment, which is also Python 3.6. after i typed what i did was below :
It Seem that Vispy is working fine. === After that, i tried to run following :
the code is if ignore the vispy error, it seems fine.
the code is
stack trace is below |
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Hi @STREETKILLER007 , Here's some ideas :
from visbrain.objects import BrainObj
BrainObj('B1').preview()
I'm not sure to understand what the I can show you the steps used to configure from scratch the environnement using conda :
from visbrain import Brain
Brain().show() |
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according to @ djhoese, I did not look at MNE-Python, because i would like to try out Visbrain. i will try after install PyOpenGL in my environment, below is my when i tried this commend it pops out this error
stack trace is as below : i think i will try to do everything from scratch, hope good luck. |
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followed your step which is
so this is my current tried following code but pops out this error
stack trace : tried below is my tried it showed this, error :
stack trace error : |
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Ok, if the GUI is displayed this mean that both vispy and PyQt5 are properly installed. May be dhoese (vispy) was right, you might have a driver issue... Can you try to install PyOpenGL as mentioned earlier? |
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after tried error occured
stack trace : |
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Ok... Well, hence it might be a driver issue... |
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I tried to update all my driver. |
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BTW, for topoplots the ScoT toolbox is also able to do it. Just in case |
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Will look at ScoT toolbox, thank you. |
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Tried in a PC in cyber cafe. below is my this is what i see.
and i see a brain
stack trace : |
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Nice, it works :) Can I close the issue? |
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Leave it open first since i will be trying to work on my pc... |
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@EtienneCmb To run Visbrain, except graphic card and processor, would like to know that what else should i consider on running Visbrain in a computer ? Let said i am using Windows. |
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Well, RAM is also useful :) But yeah, not so much because I've a very old computer and it works just fine. I've also installed Visbrain at least on 10 systems including OSx, Windows and several Linux versions and never had a big issue (except yours...). On the visbrain's chat, there's also many users that finally got it works |
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Below is my spec :
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This was referenced Aug 14, 2018
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hello, developers, i am new in python.
i am trying to run this code in python.
but the error that i got is
after i read through the comment, i tried to install visbrain in developer mode and tried to run
pip install matplotlib == 2.1.0but it pops out this error
i tried to update my setuptools using
pip install --upgrade setuptoolsbut it did not solve my problem.
is there any suggestion to solve this error ?
thank you.
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