Plotting on ghosted meshes is buggy
Issue #835
new
mpirun -n 3
from dolfin import *
from matplotlib import pyplot
parameters['ghost_mode'] = 'shared_vertex'
mesh = UnitSquareMesh(3, 4)
#mesh = UnitSquareMesh(32, 32) # seems to work
V = FunctionSpace(mesh, "P", 1)
u = Function(V)
plot(u, backend='matplotlib')
pyplot.show()
crashes with
ValueError: Length of color values array must be the same as either the number of triangulation points or triangles
