[Paraview] Orient created vectors

Thu Jul 16 13:38:39 EDT 2015

Hi Aymeric,

Sorry, I have been swamped.

I just looked at your data. The state file you sent invoked an error in the
Output Window. Indeed, I could see the arrows aligned only with the X axis.

If I load just your data, I have more success. Here's what I did:

- load Test_Set.tp
- Calculator filter
-- Result array name = Velocity
-- express = U*iHat + V*jHat + W*kHat
- Glyph filter
-- Glyph Type = Arrow
-- Vectors = Velocity
-- Glyph Mode = Every Nth Point
-- Stride 300
- color by "GlyphVector"

I get the attached image when doing this.

My suspicion is that an error that occurred somewhere along the way during
your interaction with ParaView, and it has crept into the state file and is
causing a problem with the glyph display. I recommend starting fresh, like
I did, and see if you can get the vectors to point the right way.

Best regards,
Cory

On Mon, Jul 13, 2015 at 3:41 AM, Aymeric NAZE <aymeric.naze at gmail.com>
wrote:

> Hi Cory,
>
> Did you have the time to take a look at my dataset ?
>
> 2015-07-09 17:03 GMT+02:00 Aymeric NAZE <aymeric.naze at gmail.com>:
>
>> Thank you for your reactivity.
>>
>> You will find below a dropbox link to 2 files :
>>
>>    - the dataset : 27.8 Mo
>>    - the state file (ontaining the calculators and glyph) : 261 ko
>>
>>
>> https://www.dropbox.com/sh/fu8mji13ov79crb/AAAFcFvCKccEu-qcP5YZtguPa?dl=0
>>
>>
>> 2015-07-09 16:12 GMT+02:00 Cory Quammen <cory.quammen at kitware.com>:
>>
>>> Hmm, well it does indeed have non-zero Y and Z components. Could you
>>> share this dataset?
>>>
>>> Thanks,
>>> Cory
>>>
>>> On Thu, Jul 9, 2015 at 8:53 AM, Aymeric NAZE <aymeric.naze at gmail.com>
>>> wrote:
>>>
>>>> Information regarding my Result vector field in Data Arrays (under
>>>> "Information" tab in the calculator filter) :
>>>>
>>>>    - *Data Type* : double
>>>>    - *Data Ranges* : [-1.26, 0.01], [-0.01, 0.76], [-0.16, 0.27]
>>>>
>>>>
>>>> 2015-07-09 15:03 GMT+02:00 Cory Quammen <cory.quammen at kitware.com>:
>>>>
>>>>> Can you verify that the second and third components of your Result
>>>>> vector field have a range outside [0, 0]? You can get this information
>>>>> under the Information tab in the Data Arrays table.
>>>>>
>>>>> On Thu, Jul 9, 2015 at 7:56 AM, Aymeric NAZE <aymeric.naze at gmail.com>
>>>>> wrote:
>>>>>
>>>>>> Hello,
>>>>>>
>>>>>> Thanks for considering my problem.
>>>>>>
>>>>>> Yes, in the Glyph Filter I have the following *Active Attributes* :
>>>>>>
>>>>>>    - *Scalars *: FF wich is the magnitude in the (x,y) plane
>>>>>>    (calculated with another "calculator" filter : FF=(U^2+V^2)^0.5) : it's the
>>>>>>    length of the arrows I want to display.
>>>>>>
>>>>>>
>>>>>>    - *Vectors *: Result (vectors from the previously described
>>>>>>    calculator)
>>>>>>
>>>>>>
>>>>>> 2015-07-09 14:29 GMT+02:00 Cory Quammen <cory.quammen at kitware.com>:
>>>>>>
>>>>>>> Hi Aymeric,
>>>>>>>
>>>>>>> Did you choose the "Result" array as the "Vectors" property in the
>>>>>>> Properties panel of the Glyph filter?
>>>>>>>
>>>>>>> HTH,
>>>>>>> Cory
>>>>>>>
>>>>>>> On Thu, Jul 9, 2015 at 7:26 AM, Aymeric NAZE <aymeric.naze at gmail.com
>>>>>>> > wrote:
>>>>>>>
>>>>>>>> Hello,
>>>>>>>>
>>>>>>>> I'm using Paraview 4.3.1 (64-bit) to display data from a tecplot
>>>>>>>> format file.
>>>>>>>>
>>>>>>>> Data is points coordinates (x,y,z) and vectors coordinates (u,v,w)
>>>>>>>> for each point.
>>>>>>>>
>>>>>>>>
>>>>>>>>    - I have created vectors with "Calculator" filter (Result =
>>>>>>>>    u*iHat+v*jHat+w*kHat) and it creates vectors with thewanted coordinates (I
>>>>>>>>    can see that in the spreadsheet view)
>>>>>>>>
>>>>>>>>
>>>>>>>>    - Then I made a glyph to display these vectors as arrows.
>>>>>>>>
>>>>>>>> Magnitude is displayed without problem but i did'nt find how to
>>>>>>>> orient correctly the vectors.
>>>>>>>> Whether i check or not the "Orient" feature it doesn't change
>>>>>>>> anything : vectors are always oriented along the x axis...
>>>>>>>>
>>>>>>>> Does anybody can help me on that issue ?
>>>>>>>>
>>>>>>>> Thanks so much in advance.
>>>>>>>>
>>>>>>>> Regards,
>>>>>>>>
>>>>>>>> Aymeric
>>>>>>>>
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>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> Cory Quammen
>>>>>>> R&D Engineer
>>>>>>> Kitware, Inc.
>>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Cory Quammen
>>>>> R&D Engineer
>>>>> Kitware, Inc.
>>>>>
>>>>
>>>>
>>>
>>>
>>> --
>>> Cory Quammen
>>> R&D Engineer
>>> Kitware, Inc.
>>>
>>
>>
>

-- 
Cory Quammen
R&D Engineer
Kitware, Inc.
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