[Paraview] Variable that is difference between this time and time 0

[Magician]

Re-sending the mail because the ML is suspected not to receive it exactly.


Magician


On May 6, 2014, at 20:56, Magician <f_magician at mac.com> wrote:

> HI Alan,
> 
> 
> Sorry for the late response.
> 
> There are some techniques about comparing two datasets:
> <http://www.google.co.jp/search?q=paraview+multiple+input>
> 
> If you can read initial and transient datasets with separated sources,
> these techniques may be applicable:
>  1. using Resample with Dataset and Calculator filter
>  2. using Python Calculator with multiple inputs
>  3. using Programmable Filter with multiple inputs (directly subtracting two datasets)
>  4. using Programmable Filter with multiple inputs (storing two datasets into NumPy array with dataset adapter, and subtracting them)
> 
> I usually use 3rd method.
> But I don’t have any good ideas deciding which the initial one is….
> 
> 
> Magician
> 
> 
> On Apr 18, 2014, at 14:00, paraview-request at paraview.org wrote:
> 
>> Message: 1
>> Date: Thu, 17 Apr 2014 16:23:53 +0000
>> From: "Scott, W Alan" <wascott at sandia.gov>
>> To: "paraview at paraview.org" <paraview at paraview.org>
>> Subject: [Paraview] Variable that is difference between this time and
>> 	time 0
>> Message-ID:
>> 	<9047EE0D4D3C8E43B93980DA10A073809C2E5C45 at EXMB04.srn.sandia.gov>
>> Content-Type: text/plain; charset="us-ascii"
>> 
>> 
>> Can you perform mathematical operations (e.g. addition, subtraction) on variables between different time steps?
>> 
>> For example, if I have a point variable, can I compute the difference between that variable at time t with that variable at time zero?
>> 
>> Thanks!
>> 
>> Alan