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

[Moreland, Kenneth]

Is there any way you can share your data? That might help diagnose the
problem.



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
>> >
>> 
>>