[Gmsh] can not show time value if element data is smoothed

[Christophe Geuzaine]

Hi Guys - Thanks for the report: this should now be fixed in SVN.

On 22/05/11 11:05, Geordie McBain wrote:
> 2011/5/22 mianzhi<wangmianzhi1 at hotmail.com>:
>> On 2011年05月21日 19:42, Geordie McBain wrote:
>>>
>>> 2011/5/21 mianzhi<wangmianzhi1 at hotmail.com>:
>>>>
>>>> Hi,
>>>> Many thanks to developers of GMSH. It helps me a lot in generating mesh
>>>> and
>>>> post-processing.
>>>> Now I have a .msh data file including element data (scaler) at multiple
>>>> time-steps. Because the element data is not automatically interpolated as
>>>> node data, I applied the plug-in "smooth" to make it seems better.
>>>> However,
>>>> the time value could not be shown properly after the "smooth" is applied.
>>>> Is that possible to smooth the element data while keeping the time value
>>>> correct at the same time?
>>>> I appreciate your reply very much.
>>>>
>>>> Pasted blow is a demonstrative example (modified from the node data
>>>> example
>>>> in the manual):
>>>
>>> Hello. I saved your data as a .msh file and opened it in Gmsh, where I
>>> saw the figure with discontinuous colour and a label "A scalar view
>>> (0/1)" or "A scalar view (1/1)", according to which time-step I'd
>>> advanced to.  Then affected I executed Plugin(Smooth), I saw the same
>>> figure smoothed, but the captions were still there, so I don't
>>> understand what you're missing.  Could you elaborate?
>>>
>>>
>> Hello,
>> Without applying "smooth", it shows above the legend the time value (e.g.
>> 2.2), if you set the time display mode to be "value". (see 1.png)
>> However after you applied "smooth", the "2.2" becomes "0" for all time
>> steps. (see 2.png)
>
> Thank you.  I see what you mean now and I confirm that I can reproduce
> this behaviour.  In particular, saving the smoothed view (as
> attached), one can see that the time has been zeroed, although the two
> time-step indices have been correctly preserved.  It doesn't seem
> right, and I don't know how to fix it.  Let's call it a bug.
>
> I thought this might have been easy to fix, so I had a quick look at
> the code in Plugin/Smooth.cpp.  The body of the execute method is very
> short, so I guess most of the work is being done elsewhere, but I
> wasn't able to follow the trail from there.
>
>
>
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-- 
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science
http://www.montefiore.ulg.ac.be/~geuzaine