[Paraview] Resample DataSet

[Dominik Szczerba]

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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-- 
Dominik Szczerba, PhD
Computational Physics Group
IT'IS Foundation for Research
http://www.itis.ethz.ch