Local mesh refinement fails in 1D

[Matthias Liertzer]

After updating from 1.4 to dolfin master the following code results in a segmentation fault:

from dolfin import *

mesh = UnitIntervalMesh(20)
cell_markers = CellFunction("bool", mesh)
cell_markers[0] = True
mesh2 = refine(mesh, cell_markers)

[Chris Richardson]

you can work around by setting parameters['refinement_method'] = 'regular_cut' but I'll push a fix for this soon

[Matthias Liertzer]

I already tried that, but 'regular_cut' is also only applicable to 2D geometries.

[Chris Richardson]

@mliertzer OK - I will fix it. At least 1D refinement is easy to implement.

[Chris Richardson]

Fix now in master

[Prof Garth Wells]

Removing milestone: 1.5 (automated comment)