That is OK - medit uses numbering from 1 in its format.

r.

On 08/29/2016 09:52 AM, Nikhil Vaidya wrote:
> Hi Robert,
>
> I had a look now and noticed that the node numbers start from 1. I created
> the mesh in Netgen and then converted to the medit format using gmsh. How
> can I solve this problem?
>
> Best,
> Nikhil
>
> On Monday, August 29, 2016 at 9:44:16 AM UTC+2, Robert Cimrman wrote:
>>
>> Hi Nikhil,
>>
>> it seems that your file is somehow corrupted - the actual number of cells
>> probably does not agree with the number specified in the mesh at the
>> beginning
>> of the cells section (after Tetrahedra keyword, if you have a tetrahedral
>> mesh).
>>
>> r.
>>
>> On 08/25/2016 10:36 AM, Nikhil Vaidya wrote:
>>> I am running a Navier stokes simulation. I observed the following output
>>> after I ran my file:
>>>
>>> simple.py RF_testcase\Vein_flow_setup.py
>>> sfepy: left over: ['__builtins__', '__file__', 'absolute_import',
>>> '__doc__', '__name__', '__package__', 'verbose',
>>> 'verify_incompressibility', '_filename']
>>> sfepy: reading mesh [line2, tri3, quad4, tetra4, hexa8]
>>> (C:\sfepy\RF_testcase\sfepy_test_full_geom_m.mesh)...
>>> Traceback (most recent call last):
>>>   File "C:\sfepy\simple.py", line 170, in <module>
>>>     main()
>>>   File "C:\sfepy\simple.py", line 163, in main
>>>     app = PDESolverApp(conf, options, output_prefix)
>>>   File "C:\sfepy\sfepy\applications\pde_solver_app.py", line 137, in
>>> __init__
>>>     self.problem = Problem.from_conf(conf, init_equations=is_eqs,
>> **kwargs)
>>>   File "C:\sfepy\sfepy\discrete\problem.py", line 88, in from_conf
>>>     mesh = Mesh.from_file(conf.filename_mesh, prefix_dir=conf_dir)
>>>   File "C:\sfepy\sfepy\discrete\fem\mesh.py", line 225, in from_file
>>>     mesh = io.read(mesh, omit_facets=omit_facets)
>>>   File "C:\sfepy\sfepy\discrete\fem\meshio.py", line 330, in read
>>>     _read_cells(3, 4)
>>>   File "C:\sfepy\sfepy\discrete\fem\meshio.py", line 305, in _read_cells
>>>     data = read_array(fd, num, size + 1 * has_id, nm.int32)
>>>   File "C:\sfepy\sfepy\base\ioutils.py", line 215, in read_array
>>>     raise ValueError('(%d, %d) array reading failed!' % (n_row, n_col))
>>> ValueError: (1376353, 5) array reading failed!
>>>
>>>
>>> I created the mesh in NETGEN and had to remove surface elements by hand.
>>> Can you tell me what is going wrong?
>>>
>>> Best regards,
>>> Nikhil
>>>
>>
>>
>