[Nek5000-users] visit visualization question

[nek5000-users at lists.mcs.anl.gov]

Thanks a lot Hank! I will try that,

Ammar




On Thu, Nov 7, 2013 at 12:07 PM, <nek5000-users at lists.mcs.anl.gov> wrote:

> Hi Ammar!
>
> When you want to make a really pretty picture (for publication), you can
> apply the Resample operator, which allow you to sample the grid more
> finely.  (The resampling happens on the original mesh ... everything does,
> except the final rendering stage which is done by graphics hardware.)
>
> Best,
> Hank
>
>
> On Thu, Nov 7, 2013 at 9:30 AM, <nek5000-users at lists.mcs.anl.gov> wrote:
>
>> is there any filtering in visit to smooth out features in a given region
>> or below certain length scale? it would be nice for visualization purposes
>> assuming such features
>> do not affect the simulation accuracy.
>>
>> Ammar
>>
>>
>>
>> On Wed, Nov 6, 2013 at 11:39 PM, <nek5000-users at lists.mcs.anl.gov> wrote:
>>
>>> Hi Praveen,
>>>
>>> If it is the issue I think you are referring to, then it has to do with
>>> how OpenGL renders.  It takes a quadrilateral and splits it into two
>>> triangles.  If the lower left and bottom right are cyan, and then lower
>>> right and upper left are blue, then splitting into two triangles so that
>>> lower left and bottom right are connected will make a cyan streak go
>>> through the quad ... splitting so that lower right and upper left are
>>> connect make a blue streak go through the quad.
>>>
>>> Best,
>>> Hank
>>>
>>>
>>> On Wed, Nov 6, 2013 at 8:27 PM, <nek5000-users at lists.mcs.anl.gov> wrote:
>>>
>>>> Hello
>>>>
>>>> When I use visit for color plots, I can almost see the mesh as in the
>>>> attached example. Is this a problem with visit or is my results not correct
>>>> ?
>>>>
>>>> https://www.dropbox.com/s/6gwnwiiide2yn6y/visit0000.png
>>>> https://www.dropbox.com/s/a49vqx72ft2ajxy/visit0001.png
>>>>
>>>> Thanks
>>>> praveen
>>>>
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>>
>>
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