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[Question #95274]: Unable to Plot Dolfin Demos after Upgrade

 

New question #95274 on DOLFIN:
https://answers.launchpad.net/dolfin/+question/95274

Hello

I upgraded all FEniCS packages and now I'm unable to plot any of the demos. For instance, in the C ++Poisson1D example, this is the result after running ./demo:

Solving linear variational problem
  Matrix of size 51 x 51 has 151 nonzero entries.
  Sorting sparsity pattern.
  Applying boundary conditions to linear system.
  LU-factorizing linear system of size 51 x 51 (UMFPACK).
  Solving factorized linear system of size 51 x 51 (UMFPACK).
Plotting x (unnamed data), press 'q' to continue...
Traceback (most recent call last):
  File "/opt/local/Library/Frameworks/Python.framework/Versions/2.6/bin/viper", line 225, in <module>
    _newmain()
  File "/opt/local/Library/Frameworks/Python.framework/Versions/2.6/bin/viper", line 220, in _newmain
    p = __main(infile, lutfile, mode, title)
  File "/opt/local/Library/Frameworks/Python.framework/Versions/2.6/bin/viper", line 152, in __main
    return _plot_mesh(infile, lutfile, mode, title)
  File "/opt/local/Library/Frameworks/Python.framework/Versions/2.6/bin/viper", line 116, in _plot_mesh
    import dolfin
  File "/Users/tedkord/FEniCS/lib/python2.6/site-packages/dolfin/__init__.py", line 32, in <module>
    from constant import *
  File "/Users/tedkord/FEniCS/lib/python2.6/site-packages/dolfin/constant.py", line 14, in <module>
    class Constant(ufl.Function, cpp.Constant):
AttributeError: 'module' object has no attribute 'Function'
*** Warning: Unable to plot.

Any thoughts?

Thanks.

Ted



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