I see, okay thanks all

On Friday, August 12, 2016, Lawrence Mitchell <lawrence.mitchell@imperial.ac.uk> wrote:

> On 12 Aug 2016, at 09:08, Miklós Homolya <m.homolya14@imperial.ac.uk> wrote:
>
> Yes.
>
> firedrake/mesh.py, lines 1189-1191:
>
>     reorder = kwargs.get("reorder", None)
>     if reorder is None:
>         reorder = parameters["reorder_meshes"]

IOW, the global default for whether to reorder meshes or not is set by the above parameter.  You can explicitly override that for any mesh you create by passing reorder=True/False.

Lawrence