[Paraview] Using calculator with variable sets from different data files

[David E DeMarle]

Another option is the python programmable filter. It isn't as
intuitive to use (unless you are familiar with python wrapped vtk
programming), but unlike the calculator filter it will accept multiple
inputs, is likely to execute faster, and you don't need to worry about
array name collision.

cheers,
Dave DeMarle

On Fri, Oct 17, 2008 at 9:18 AM, Hom Nath Gharti <hng.email at gmail.com> wrote:
> Many thanks. Looks like I should have different name for the variables.
> Initially I had a same variable name in two data files. I could see only
> only one variable name under scalar field. After using different names I
> could see two variable names.
>
> Nice weekend,
> Hom Nath
>
> On Fri, Oct 17, 2008 at 12:53 AM, Alessandro Bellina <bellina at illinois.edu>
> wrote:
>>
>> Ken,
>> Thanks for your answer. I should have said that the two files don't have
>> the same geometry. One of them is a sphere, and the other one is a square. I
>> tried applying the "Resample with dataset" filter to sample a slice of the
>> sphere into the same morphology as my square. That part worked (I get a
>> square with the information in a circle), so I would say they now have the
>> same morphology. Once have  the result of the resampled original dataset,
>> and select it and the 2D data set, I don't get the option to run the "Append
>> Attributes" filter. It is off. Is the output of the resample filter not what
>> I think it is?
>>
>> Thanks!!
>>
>> Alessandro
>>
>>
>> On Oct 16, 2008, at 5:38 PM, Moreland, Kenneth wrote:
>>
>>> You can use the Append Attributes filter to merge the fields of two or
>>> more
>>> data sets into one (assuming they have the same topology), and then run
>>> the
>>> calculator on that.
>>>
>>> -Ken
>>>
>>>
>>> On 10/16/08 9:28 AM, "Hom Nath Gharti" <hng.email at gmail.com> wrote:
>>>
>>>> I have two data files 'test1.vti' and 'test2.vti' opened in paraview
>>>> containing a dataset of similar variables. Can I use the calculator to
>>>> subtract (or add.....) data of file 'test1.vti' from data of
>>>> 'test2.vti'?
>>>>
>>>> Many thanks,
>>>> Hom Nath
>>>>
>>>
>>>
>>>  ****      Kenneth Moreland
>>>   ***      Sandia National Laboratories
>>> ***********
>>> *** *** ***  email: kmorel at sandia.gov
>>> **  ***  **  phone: (505) 844-8919
>>>   ***      fax:   (505) 845-0833
>>>
>>>
>>>
>>> _______________________________________________
>>> ParaView mailing list
>>> ParaView at paraview.org
>>> http://www.paraview.org/mailman/listinfo/paraview
>>
>> Alessandro A. Bellina
>> bellina at illinois.edu
>> ---
>> Graduate Student
>> Bioacoustics Research Laboratory
>> Electrical and Computer Engineering
>> ---
>>
>>
>>
>>
>>
>
>
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>



-- 
David E DeMarle
Kitware, Inc.
R&D Engineer
28 Corporate Drive
Clifton Park, NY 12065-8662
Phone: 518-371-3971 x109