Concatenated Mesh garbled by dump.write/read

[guyer]

>>> from fipy import *
>>> mesh_orig = (Grid2D(nx=8, ny=2) + [[-2], [4]]) + Grid2D(nx=4, ny=4)
>>> var_orig = CellVariable(mesh=mesh_orig)
>>> Viewer(vars=var_orig).plot()
>>> dump.write(mesh_orig, filename='dumped')

looks fine,

but after pickling and rereading

>>> mesh_dump = dump.read(filename='dumped')
>>> var_dump = CellVariable(mesh=mesh_dump)
>>> Viewer(vars=var_dump).plot()

the mesh is garbled.

Imported from trac ticket #243, created by guyer on 11-02-2009 at 11:14, last modified: 12-08-2010 at 16:12

[guyer]

guyer attached after_dump.png on 11-02-2009 at 11:15

[guyer]

guyer attached original.png on 11-02-2009 at 11:15

[guyer]

Fixed in 3765/branches/version-2_1 and 3766/trunk

Trac comment by guyer on 07-30-2010 at 10:26

[guyer]

works on

Python 2.6.1 (r261:67515, Jun 24 2010, 21:47:49) 
[GCC 4.2.1 (Apple Inc. build 5646)] on darwin

fipy version 2.2-dev4018
numpy version 2.0.0.dev8324
pysparse version 1.2a1
PyTrilinos version 4.3
scipy version 0.8.0.dev6304
matplotlib version 1.0.svn
gist is not installed
mayavi is not installed
mpi4py version 1.2.1

Fails with

Python 2.5.2 (r252:60911, Jan 24 2010, 14:53:14) 
[GCC 4.3.2] on linux2

fipy version 2.2-dev4018
numpy version 1.3.0
pysparse version 1.1.1-dev
PyTrilinos version 4.1
scipy version 0.7.2
matplotlib version 1.0.0
gist is not installed
mayavi is not installed
mpi4py version 1.2.1

Trac comment by guyer on 11-30-2010 at 11:15

[guyer]

This was a manifestation of numpy:issue #979 (F_CONTIGUOUS masked arrays don't pickle correctly).

Fixed with 4025/trunk and 4026/branches/version-2_1.

Trac comment by guyer on 12-08-2010 at 16:12