[Paraview] Resample DataSet

[Jacques Papper]

The number of points should be the same since I interpolate the data 
from one grid onto the other grid first before doing the difference.

Jacques

Dominik Szczerba wrote:
> The calculator filter assumes the same number of points, whereas this 
> is not the case. Note that x1-x2 is undefined if size(x1) != size(x2).
> Better way to go is to compare bulk values e.g. integrated pressure 
> over some distinc region or 2D intersection plots along some line.
>
> Dominik
>
> Jacques Papper wrote:
>> Hi Dominik,
>>
>> What I mean is that if I load :
>> grid1, data1
>> grid2, data2
>> and
>> interpolate data1 onto grid2
>> Then data2 is no longer in the list of variables (see attached picture),
>> and I can't use the calculator to do data2-data1
>>
>> Jacques
>>
>>
>>
>> Dominik Szczerba wrote:
>>> Yes I am doing something similar. What does it mean 'no longer have 
>>> access to data2'?
>>> Dominik
>>>
>>> Jacques Papper wrote:
>>>> Hi,
>>>>
>>>> I'm trying to interpolate a pressure field from one grid to another 
>>>> and then compute the difference between the original pressure field 
>>>> and the interpolated one.
>>>> So if I have :
>>>> grid1, data1
>>>> grid2, data2
>>>>
>>>> I want to
>>>> 1. interpolate data1 onto grid2
>>>> 2.  compute data2-data1
>>>>
>>>> I try to use the Resample Dataset filter which seems to work for 
>>>> step 1, but then I no longer have access to data2! Am I doing 
>>>> something wrong , or do I need to code up the filter so that it 
>>>> copies the data associated with grid2 ?
>>>> If anyone has done something similar in the past  -- please help :) !
>>>>
>>>> Jacques
>>>>
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>>
>>
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>>
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>>
>


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