[Paraview] PV 4.1.0: save the data saves only 1/2 of a circle

[Stephen Wornom]

Moreland, Kenneth wrote:
> Is there any way you can share your data? That might help diagnose the
> problem.
Yes, I will send it. I did an additional test with a single cylinder and 
the file is written correctly. So it appears that the problem occurs 
only with two tandem cylinders in the mesh.
Stephen
>
>
> On 3/10/15, 11:01 AM, "Stephen Wornom" <stephen.wornom at inria.fr> wrote:
>
>> I tried both PV 4.10 and PV 4.31 and get the same result.
>> - extract surface
>> - connectivity
>> - threshold (defines the surface of the cylinder)
>>
>> information shows ymax= 0.5, ymin=-0.5 which is correct as the radius of
>> the circle is 0.5.
>> When I save data, the csv files has all of the y< 0 values. For y>0 most
>> values are missing.
>> For the csv file, ymin= 0.5 but ymax = 0.24.
>>
>> There are actually two circles, could this pose a problem?
>>
>> I really need to solve this problem of missing values.
>> Give me ideas to try, alternative ways to write the data (how do I write
>> only the values for the 1st cylinder to see if this is the problem?).
>> Thanks for your help,
>> Stephen
>>
>>
>> ----- Original Message -----
>>> From: "Kenneth Moreland" <kmorel at sandia.gov>
>>> To: "Stephen Wornom" <stephen.wornom at inria.fr>, "ParaView list"
>>> <paraview at paraview.org>
>>> Sent: Monday, March 9, 2015 6:28:45 PM
>>> Subject: Re: [Paraview] PV 4.1.0:  save the data saves only 1/2 of a
>>> circle
>>>
>>> Stephen,
>>>
>>> The CSV writer should write out all the points. I tried repeating your
>>> instructions with ParaView 4.3.1 using both the Cylinder source and the
>>> disk_out_ref dataset to write out data for a hollow cylinder source to a
>>> csv file and it looks like it works fine. I can only think of the most
>>> basic things to try:
>>>
>>> * Are you sure your cylinder is centered in the x-y plane?  Maybe the
>>> circle is actually sitting below the y axis. Check that with either the
>>> cube axes or the information panel.
>>> * Is the connectivity/threshold filters really the best way to get a
>>> circle from a cylinder. You might consider instead to use the slice
>>> filter
>>> to get the circle. (I don't know why that would fix any I/O issues,
>>> though.)
>>> * Is there any chance you can try using the latest version of ParaView.
>>> I
>>> don't recall any such problems with the CSV reader in 4.1, but you never
>>> know.
>>>
>>> -Ken
>>>
>>>
>>>
>>>
>>> On 3/9/15, 10:47 AM, "Stephen Wornom" <stephen.wornom at inria.fr> wrote:
>>>
>>>> I have a cylinder ( a circle in the x-y plane, z is the span
>>> direction).
>>>> I do:
>>>> - extract surface
>>>> - connectivity
>>>> - threshold (defines the surface of the cylinder)
>>>>
>>>> The result is the circle shown in that attached figure.
>>>>
>>>> I want to write the circle values to a file so I save the data.
>>>>   The problem is that  PV4.10 saves only 1/2 half of the data (y<0).
>>> For
>>>> y> 0 only 4 points are written to the csv file, 124 points for y <0.
>>>>
>>>> How can I save the data so that all values are written?
>>>> Hope the question is clear.
>>>> Stephen
>>>>
>>>> --
>>>> stephen.wornom at inria.fr
>>>> 2004 route des lucioles - BP93
>>>> Sophia Antipolis
>>>> 06902 CEDEX
>>>> 		
>>>> Tel: 04 92 38 50 54
>>>> Fax: 04 97 15 53 51
>>>>
>>>


-- 
stephen.wornom at inria.fr
2004 route des lucioles - BP93
Sophia Antipolis
06902 CEDEX
		
Tel: 04 92 38 50 54
Fax: 04 97 15 53 51

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