distruct: _tkinter.TclError

[Steven Myers]

I've run fastStructure and chooseK on my data, and now I'm trying to run distruct on the data that maximizes marginal likelihood, but I'm getting a _tkinter.TclError.

my output looks like this:

file with population labels is not provided or does not exist .... 

creating population labels based on inferred admixture proportions

Traceback (most recent call last):

  File "distruct.py", line 170, in <module>

    figure = plot_admixture(admixture, population_indices, population_labels, title)

  File "distruct.py", line 16, in plot_admixture

    figure = plot.figure(figsize=(5,3))

  File "/usr/lib/python2.7/dist-packages/matplotlib/pyplot.py", line 527, in figure

    **kwargs)

  File "/usr/lib/python2.7/dist-packages/matplotlib/backends/backend_tkagg.py", line 84, in new_figure_manager

    return new_figure_manager_given_figure(num, figure)

  File "/usr/lib/python2.7/dist-packages/matplotlib/backends/backend_tkagg.py", line 92, in new_figure_manager_given_figure

    window = Tk.Tk()

  File "/usr/lib/python2.7/lib-tk/Tkinter.py", line 1818, in __init__

    self.tk = _tkinter.create(screenName, baseName, className, interactive, wantobjects, useTk, sync, use)

_tkinter.TclError: no display name and no $DISPLAY environment variable

[Steven Myers]

okay, I found this:

http://stackoverflow.com/questions/24555709/python-script-tkinter-tclerror

It suggests it could be an issue with running remotely -- I'm running a VM on a research cloud. I connect to the VM via ssh from a windows PC using putty, but everything I run (e.g. files, scripts, input/output directories) is contained within the VM instance.

[Vikram Chhatre]

Steven:

I have seen this error multiple times when running things remotely as well.  While this is not a solution by any means, distruct does not really need to be run remotely.  The computational overload is minimal and it works well on Mac workstations.  I have no experience with running it on Windows though it should certainly be possible.

V

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