[Paraview-developers] Calculation of Gradient for Unstructured Grid Data

[Jayesh Badwaik]

thanks.........


Cheers and Regards
Jayesh Vinay Badwaik
Electronics and Communication Engineering
VNIT, Nagpur
INDIA

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"We are servants rather than masters in mathematics" -- Charles Hermite



On Sat, Aug 6, 2011 at 10:58 AM, Jayesh Badwaik
<jayesh.badwaik90 at gmail.com>wrote:

> Ohh.. ohk
> thanks.....
>
>
> Cheers and Regards
> Jayesh Vinay Badwaik
> Electronics and Communication Engineering
> VNIT, Nagpur
> INDIA
>
>
> -----------------------------------------------------------------------------------------------------------------------------------------------
> "We are servants rather than masters in mathematics" -- Charles Hermite
>
>
>
> On Sat, Aug 6, 2011 at 2:24 AM, Moreland, Kenneth <kmorel at sandia.gov>wrote:
>
>>   At each point, this filter finds all cells neighboring that point.  For
>> each cell, it computes the gradient (by calling vtkCell::Derivative) at the
>> location of the point and then averages the results for all cells.  If you
>> click on Faster Computation, then the filter will compute one gradient at
>> the center of each cell, and then average those to each point (the
>> equivalent of the cell to point filter).
>>
>>  -Ken
>>
>>    ****      Kenneth Moreland
>>     ***      Sandia National Laboratories
>> ***********
>> *** *** ***  email: kmorel at sandia.gov
>> **  ***  **  phone: (505) 844-8919
>>     ***      web:   http://www.cs.unm.edu/~kmorel
>>
>>   From: Jayesh Badwaik <jayesh.badwaik90 at gmail.com>
>> Date: Sat, 6 Aug 2011 01:52:06 +0530
>> To: <paraview-developers at paraview.org>
>> Subject: [Paraview-developers] Calculation of Gradient for Unstructured
>> Grid Data
>>
>>  Hi
>>
>> I don't know if this is the right place to ask since I am not actually
>> trying to contribute anything.
>> Just curious about some feature's development part. So please excuse me if
>> this is not the right place.
>>
>> I've been using the function in paraview to calculate the gradient of an
>> unstructured Grid Data.
>> (Filters->Alphabetical->Gradient (Unstructured) )
>> I've noticed that the gradient of the data is available at the nodes of
>> the grids when the data
>> itself is available at the nodes of the grids. I was curious as to what
>> method, technique  or
>> idea was used to implement the feature. I myself need the same feature.
>> And hence, I was curious.
>>
>> I have been trying to read the wiki and the class documentation. However,
>> I am not sure I am finding the
>> right gradient file.
>>
>> Thanks in Advance
>>
>> Cheers and Regards
>> Jayesh Vinay Badwaik
>> Electronics and Communication Engineering
>> VNIT, Nagpur
>> INDIA
>>
>>
>> -----------------------------------------------------------------------------------------------------------------------------------------------
>> "We are servants rather than masters in mathematics" -- Charles Hermite
>>
>> _______________________________________________ Paraview-developers
>> mailing list Paraview-developers at paraview.org
>> http://public.kitware.com/mailman/listinfo/paraview-developers
>>
>>
>
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