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List:       paraview
Subject:    Re: [Paraview] Comparing datasets - taking a difference
From:       Christof_König_Beatty <konig () astr ! ucl ! ac ! be>
Date:       2008-04-24 10:16:43
Message-ID: 48105E0B.8050309 () astr ! ucl ! ac ! be
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Thanks a lot for the tip, I wouldn't have figured that out. I had to 
tweak a little, so here what works for me:

1) Use Calculator #0 to rename the variable from dataset #0
    (eg pick just 'h' with result array name 'h0')
2) Use Calculator #1 to rename the variable from dataset #1
    (eg 'h' to 'h1')
3) Use "Append Attributes" while having selected both Calculator #0
    and #1 to combine the output from 1) and 2). AppendAttributes1
    now contains 'h0', 'h1' as well as 'h' (which one?).
4) Use Calculator #2 on AppendAttributes1 to take difference (eg h1-h0).


Without introducing step 2) 'h' was still the one from dataset #0 but 
that might be a Mac version variation. Like this it should always work.

Thanks a lot,

Chris



Kent Eschenberg wrote:
> 1) Use Calculator #0 to rename the variable from dataset #0
> 2) Use "Append Attributes" to combine the output from 1) and dataset #1
> 3) Use Calculator #1 with the output from 2) to find the difference
> 
> Kent
> Pittsburgh Supercomputing Center
> 
> Christof Ko"nig Beatty wrote:
>> I've tried using the calculator, but cannot manage to take a 
>> difference between two variables of the same name but coming from 
>> different datasets. I tried grouping the two datasets but still I 
>> don't see how to take that difference.

-- 
Christof Konig Beatty
Universite catholique de Louvain, ASTR
2, Chemin du Cyclotron, bureau 502
1348 Louvain-la-Neuve,   Belgium
Tel: +32 (0)10 47 30 67
http://www.astr.ucl.ac.be/index.php?page=konig
--
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