[Paraview] 3D contour smoothness

[Philipp E.]

Sorry Cory,

you are right. The cell number is the same.

Regards
Philipp


Am 19.09.2014 um 17:46 schrieb Cory Quammen:
> Philipp,
>
> I can confirm what you see with a pre 4.2 version of ParaView.
> However, the number of produced cells is the same.
>
> I will try to track down why this changed.
>
> Thanks,
> Cory
>
> On Fri, Sep 19, 2014 at 11:17 AM, Philipp E <pspeachum at gmail.com> wrote:
>> Hi Cory
>>
>> I managed to compress the data set to a fair size and attached it to
>> this mail. The data set is pressure, contour value is 0.55.
>>
>> By looking again at the data (contour -> information), I just found that
>> the old version (3.14.1) uses 148432 cells , while the the new one
>> employs 75232 cells. Hope that helps.
>>
>> Kind regards
>> Philipp
>>
>> Errata: I meant 4.2.0RC1 in the previous mails.
>>
>> On 09/19/2014 04:59 PM, Cory Quammen wrote:
>>> Phillipp,
>>>
>>> Do you have a data set similar to the one you've shown that you can share?
>>>
>>> Thanks,
>>> Cory
>>>
>>> On Fri, Sep 19, 2014 at 10:48 AM, Philipp E <pspeachum at gmail.com> wrote:
>>>> Hi Cory,
>>>>
>>>> thank you for your fast feedback.
>>>>
>>>> a) Compute normal is checked. (Without normals, the contour is
>>>> completely stepped)
>>>> b) Contour values are the same.
>>>>
>>>> Regards
>>>> Philipp
>>>>
>>>> On 09/19/2014 04:40 PM, Cory Quammen wrote:
>>>>> Philipp,
>>>>>
>>>>> In the contour filter, is the option "Compute Normals" checked in 4.0 RC1?
>>>>>
>>>>> Also, are the contour values the same between the two versions?
>>>>>
>>>>> Thanks,
>>>>> Cory
>>>>>
>>>>> On Fri, Sep 19, 2014 at 10:25 AM, Philipp E <pspeachum at gmail.com> wrote:
>>>>>> Hello everyone,
>>>>>>
>>>>>> after extensive search I was desperate enough to post on this list:
>>>>>>
>>>>>> It appears that the surface smoothing algorithm of the contour filter
>>>>>> does not work as "aggressive" as in older version (3.14.1 was the last
>>>>>> one we found to do so). As an example I prepared this two screenshots,
>>>>>> VTK data are scalars on a structured grid (200x100x100), legacy format.
>>>>>> (An additional call of the "smooth" filter does not help.)
>>>>>>
>>>>>> 3.14.1
>>>>>> http://s7.directupload.net/images/140919/euadfvko.png
>>>>>> 4.0.RC1
>>>>>> http://s14.directupload.net/images/140919/84y689mi.png
>>>>>>
>>>>>> Both versions are running with the shipped settings. Since the effect
>>>>>> could be reproduced on several workstations, we are wondering whether
>>>>>> there has been an (undocumented?) change in the filter mechanism or some
>>>>>> option we/setting/data problem we are not aware of.
>>>>>>
>>>>>> Kind regards and thanks in advance
>>>>>> Philipp Engels.
>>>>>>
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