[Paraview] Area integration on a part of a surface

[Ganesh Vijayakumar]

http://www.personal.psu.edu/guv106/paraviewIntegrateVariables_withClipping.png

This shows that it clips off a part of the surface mesh data correctly. The
integral values also now change smoothly with the clipping range

ganesh


On Wed, May 1, 2013 at 1:07 PM, Ganesh Vijayakumar <ganesh.iitm at gmail.com>wrote:

> This is awesome. It works now!
>
> Thanks a LOT Berk!
>
> ganesh
>
>
> On Wed, May 1, 2013 at 11:54 AM, Berk Geveci <berk.geveci at kitware.com>wrote:
>
>> That's not how threshold works. Threshold includes cells as a whole or it
>> does not. What you want is Clip using a scalar value (or 2 clips if you
>> need upper and lower end clipping).
>>
>> Best,
>> -berk
>>
>>
>>
>> On Wed, May 1, 2013 at 11:49 AM, Ganesh Vijayakumar <
>> ganesh.iitm at gmail.com> wrote:
>>
>>> Dear Berk Geveci,
>>>
>>>  Thanks for replying.
>>>
>>>  My dataset is a surface dataset.
>>>
>>>  So if my threshold goes through one of the surface data faces, won't it
>>> take just the area that it cuts through and neglect the part it doesn't
>>> contain?
>>>
>>> ganesh
>>>
>>>
>>> On Wed, May 1, 2013 at 10:48 AM, Berk Geveci <berk.geveci at kitware.com>wrote:
>>>
>>>> Hi Ganesh,
>>>>
>>>> I am not sure that I follow you. Is this a surface dataset or a volume?
>>>> If it is a volume, you need to apply Extract Surface before you can
>>>> integrate over it. If it is a surface, I would expect that the area would
>>>> change if you change the value of the threshold and bring in more cells.
>>>>
>>>> Best,
>>>> -berk
>>>>
>>>>
>>>> On Tue, Apr 30, 2013 at 5:07 PM, Ganesh Vijayakumar <
>>>> ganesh.iitm at gmail.com> wrote:
>>>>
>>>>> hi!
>>>>>
>>>>>   I'm interested in integrating over a part of an area on a surface.
>>>>> Like here
>>>>>
>>>>> www.personal.psu.edu/guv106/paraviewIntegrateVariables.png
>>>>>
>>>>>   Now, I use thresholding on a variable that I compute using the
>>>>> Coords on the surface to extract the specific area over which I want the
>>>>> integral. The problem is the the area integral is extremely dependent on
>>>>> the details of thresholding. If I change the thresholding just enough to
>>>>> include another layer of cells in the original data, then the integral
>>>>> value changes... else for any changes in the thresholding limits, the
>>>>> integral does not change. And this is despite using Point data on the
>>>>> integral. Is there anyway, I can get a smooth variation of the area
>>>>> integrals with the change of thresholding limits? In other words, an actual
>>>>> area integral!
>>>>>
>>>>> ganesh
>>>>>
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>>>>
>>>
>>>
>>> --
>>> ganesh
>>>
>>
>>
>
>
> --
> ganesh
>



-- 
ganesh
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