[Paraview] Table to Points and Threshold filter
Cory Quammen
cory.quammen at kitware.com
Mon Jan 27 10:45:23 EST 2014
I think Paul is right. As an alternative to creating glyphs, you can
use VTK's threshold points filter, which you can expose in ParaView by
loading this XML plugin:
https://raw.github.com/MADAI/MADAIWorkbench/master/Plugins/ThresholdPointsFilter/ThresholdPoints.xml
Best,
Cory
On Mon, Jan 27, 2014 at 10:17 AM, Paul Edwards <paul.m.edwards at gmail.com> wrote:
> I think it is because the threshold filter operates on cells (and you don't
> have any). You could use the glyph filter to create a vertex for each point
> and then it should work (e.g. select "2D Glyph" and "Vertex").
>
> Regards,
> Paul
>
>
> On 27 January 2014 11:06, Fabian Nick <fabian.nick at scai.fraunhofer.de>
> wrote:
>>
>> Hi everyone,
>>
>> I am new to ParaView and the following question has come up:
>>
>> I have a file with a certain number of points as coordinates and integers
>> between 1 and 5 assigned to every point. I.e. each row of the file looks
>> like
>>
>> x,y,int
>>
>> x and y being the 2D coordinates, int the integer between 1 and five.
>>
>> Now I saved this file as mesh.csv and imported this file into ParaView.
>> Next I added a "TableToPoints" filter, setting X Column to x, Y Column to
>> y and Z Column to int.
>> I checked "2D points" and "Keep All Data Arrays".
>> When I choose "int" in the Coloring section I see all my points in
>> different colors according to the integer I've assigned them. So far so
>> good.
>>
>> Now I want to display only those points, which have been assigned a value
>> between 2 and 5, for example. So I added a thershold filter, set it to
>> visible, choose "int" from the Scalars Dropdown menu and set Minimum and
>> Maximum to 2 and 5 respectively. However, although I've set the
>> TableToPoints layer to invisible, I still see ALL the points (just not
>> colored any more). I only want to see those with values between 2 and 5
>> though... So what am I doing wrong?
>>
>> Thanks,
>> Fabian
>>
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>
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