[Paraview] PV4.10 extracting a surface

[Andrew]

Hello. Possibly the Slice filter with "Cylinder" and "Crinkle slice"
options will produce the required result (I checked in ParaView 5.2).

2017-12-20 18:46 GMT+03:00 Andy Bauer <andy.bauer at kitware.com>:

> The Threshold filter works by selecting cells that have cell data in the
> selected range. If you're requesting to do thresholding on a point data
> array then it will use the point data to cell data filter to create a cell
> data array and threshold on that. With this, it's very unlikely that any
> cell data ends up with exactly a value of .1. It sounds like what you want
> is to use the Contour filter on your rad array.
>
> On Wed, Dec 20, 2017 at 10:32 AM, Utkarsh Ayachit <
> utkarsh.ayachit at kitware.com> wrote:
>
>> I believe you're getting  the warning because the threshold ended up
>> not producing any output. If you can attach the state/data file, I may
>> be able to can give more info.
>>
>> Utkarsh
>>
>> On Wed, Dec 20, 2017 at 10:15 AM, Stephen Wornom
>> <stephen.wornom at inria.fr> wrote:
>> > The geometry is a cylinder.
>> > Using the calculator I do
>> > rad =sqrt( x**2+y**2)
>> > I would like to extract the cylinder surface which is rad = 0.1
>> > I click on threshold then information to see rad 0.1<rad<7
>> > I click on extract and enter the values min = 0.1 and max 0.1 for rad
>> > I get this message
>> > warning: In
>> > /home/utkarsh/Dashboards/MyTests/NightlyMaster/ParaViewSuper
>> build-Release/paraview/src/paraview/ParaViewCore/
>> ServerManager/Rendering/vtkSMPVRepresentationProxy.cxx,
>> > line 279
>> >
>> > vtkSMPVRepresentationProxy (0x359fd080): Could not determine array
>> range.
>> >
>> >
>> > Any ideas to the solution of my problem?
>> > Thanks in advance,
>> > Stephen
>> >
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