Re: [Paraview] OSPRay Surface Opacity

[David E DeMarle]

A couple of observations:

1) for surface rendering with color mapped array, vtk's OSPRay interface we
does not yet respect transparency (either at the actor level or in the
alpha channel of the colormap). If you use a solid color for the entire
actor (PV GUI color choice is "Solid Color" instead of one of the arrays in
the data) then we do respect opacity.

2) we turn on aoTransparencyEnabled whenever there are volumes in the scene
https://gitlab.kitware.com/vtk/vtk/blob/master/Rendering/OSPRay/vtkOSPRayRendererNode.cxx#L870
If your scene doesn't have volumes in it, then you'll need to compile from
source and enable that generally (remove the if conditon).

Feel free to submit patches or bug reports to for either of those things to
help us remember to improve them.






David E DeMarle
Kitware, Inc.
Principal Engineer
21 Corporate Drive
Clifton Park, NY 12065-8662
Phone: 518-881-4909

On Thu, Sep 7, 2017 at 2:57 AM, Stefano Capra  wrote:

> Good morning,
> I am running ParaView 5.4.1-Qt5-OpenGL2-Windows-64bit and I was wondering
> if there is a way to activate the opacity rendering while using OSPRay
> ambient occlusion
>
> In the OSPRay website I have found this:
> "New SciVis renderer parameter aoTransparencyEnabled, controlling whether
> object transparency is respected when computing ambient occlusion (disabled
> by default, as it is considerable slower)"
>
> However I am not sure how to change that parameter in ParaView
>
> Thanks
> SC
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Re: [Paraview] OSPRay Surface Opacity

[Stefano Capra]

Hi David,
thanks for the quick reply.

I can confirm opacity changes work if I set the actor representation to
Solid Color.

It would be great if the new release could have the aoTransparencyEnabled
flag as something that can be switch on and off using a tick


Kind Regards
Ste

2017-09-07 14:39 GMT+01:00 David E DeMarle :

> A couple of observations:
>
> 1) for surface rendering with color mapped array, vtk's OSPRay interface
> we does not yet respect transparency (either at the actor level or in the
> alpha channel of the colormap). If you use a solid color for the entire
> actor (PV GUI color choice is "Solid Color" instead of one of the arrays in
> the data) then we do respect opacity.
>
> 2) we turn on aoTransparencyEnabled whenever there are volumes in the scene
> https://gitlab.kitware.com/vtk/vtk/blob/master/Rendering/
> OSPRay/vtkOSPRayRendererNode.cxx#L870
> If your scene doesn't have volumes in it, then you'll need to compile from
> source and enable that generally (remove the if conditon).
>
> Feel free to submit patches or bug reports to for either of those things
> to help us remember to improve them.
>
>
>
>
>
>
> David E DeMarle
> Kitware, Inc.
> Principal Engineer
> 21 Corporate Drive
> 
> Clifton Park, NY 12065
> 
> -8662
> Phone: 518-881-4909 <(518)%20881-4909>
>
> On Thu, Sep 7, 2017 at 2:57 AM, Stefano Capra 
> wrote:
>
>> Good morning,
>> I am running ParaView 5.4.1-Qt5-OpenGL2-Windows-64bit and I was
>> wondering if there is a way to activate the opacity rendering while using
>> OSPRay ambient occlusion
>>
>> In the OSPRay website I have found this:
>> "New SciVis renderer parameter aoTransparencyEnabled, controlling whether
>> object transparency is respected when computing ambient occlusion (disabled
>> by default, as it is considerable slower)"
>>
>> However I am not sure how to change that parameter in ParaView
>>
>> Thanks
>> SC
>> ___
>> Powered by www.kitware.com
>>
>> Visit other Kitware open-source projects at
>> http://www.kitware.com/opensource/opensource.html
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>> Please keep messages on-topic and check the ParaView Wiki at:
>> http://paraview.org/Wiki/ParaView
>>
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>>
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>> http://public.kitware.com/mailman/listinfo/paraview
>>
>
>


-- 
Stefano Capra

Contacts:
steve.ca...@gmail.com
+44 (0)7528622152
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Re: [Paraview] Subdomain

[Cory Quammen]

Muhammad ,

You can try the Clip filter to generate box-shaped subdomains.
Counting the number of particles in each cell is a little more
complicated. Off the top of my head, I can't think of a filter that
does that for you. But, you could write a Programmable Filter that
does this. Briefly, the Programmable Filter would:

1. Set up a vtkCellLocator and give it the input to the Programmable
Filter (which is assumed to be a subdomain you've created with the
Clip filter)

2. Create a cell vtkDataArray (e.g., vtkIntArray) to store the counts
of particles falling inside each cell. The array should have the same
number of tuples as cells in the subdomain.

3. Iterate through all the points in a second input given to the
Programmable Filter. For each point, find the cell containing the
point using vtkCellLocator::FindCell(). Increment the count in the
cell array you created in step 2 given the cell ID returned by the
vtkCellLocator::FindCell() method.

There is a lot of information about the Programmable Filter in the
ParaView Guide and at
https://www.paraview.org/Wiki/Python_Programmable_Filter.

Hope that helps,
Cory

On Tue, Sep 5, 2017 at 2:04 AM, Muhammad Kashif Saeed
 wrote:
>
> Hi everyone,
>
> I have posted this question some days ago but could not get any answer. Now
> I am trying to explain it more.
>
> I am using open source software LIGGGHTS, which uses DEM (discrete element
> method), My simulation contains a cylinder and 4 bladed impeller which
> rotates inside the cylinder. I have inserted 3 types of particles in the
> cylinder and rotate the impeller which causes mixing of particles that
> process is done using LIGGGHTS software.
>
> Now for post processing, i am using ParaView. In Paraview, I can see the
> particles mixed each other. but I want to find out the mixing status for
> that purpose I want to use Subdomain based mixing index (SMI).
>
> For SMI calculation, it requires dividing the domain into subdomains like 3D
> mesh and to find the total number of particles and number of particles of
> each type in each cell of mesh/subdomain.
>
> Please let me know how can I create these subdomains in ParaView?
>
>
>
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-- 
Cory Quammen
Staff R&D Engineer
Kitware, Inc.
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[Paraview] Do you have data that I might show off OSPRay rendering with?

[David E DeMarle]

Hi lists,

We've been working lately to expose OSPRay's path traced lights and
materials inside VTK and ParaView. I'd like to make some snazzy
photorealistic images and movies now and post them on the website, at
conferences  and in press releases.

Unsurprisingly the images I can make out of vtkSphereSource and the like,
are not all that compelling. That's why I'm reaching out to see if anyone
has some great looking, real world, data that I might work with.

I am thinking something like a car with lots of glass and metal and rubber
would be ideal - especially if the data also had some interesting attribute
data on it that I could colormap at the same time. I'm more than happy to
attribute the data however you like.

Feel free to contact me off-list if you like.

thanks

David E DeMarle
Kitware, Inc.
Principal Engineer
21 Corporate Drive
Clifton Park, NY 12065-8662
Phone: 518-881-4909
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Re: [Paraview] [vtkusers] Do you have data that I might show off OSPRay rendering with?

[David E DeMarle]

Thanks for the references Bill.

My backup plan is to find a suitably licensed model of a car from one of
the sites like free3d, but I'm hoping for something more "real world" from
someone's day to day work out there.




David E DeMarle
Kitware, Inc.
Principal Engineer
21 Corporate Drive
Clifton Park, NY 12065-8662
Phone: 518-881-4909

On Thu, Sep 7, 2017 at 12:22 PM, Bill Lorensen 
wrote:

> How about these insects. Here is an example:
> https://lorensen.github.io/VTKExamples/site/Cxx/IO/VRMLImporterDemo/
>
> There is a link on the example page.
>
> Also, https://free3d.com/ has lots of free models in various formats.
> I got the model shown in this example from that site:
> https://lorensen.github.io/VTKExamples/site/Cxx/IO/OBJImporter/
> The data is here:
> https://github.com/lorensen/VTKExamples/tree/master/src/
> Testing/Data/doorman
>
> Also, lots of interesting biological stuff at:
> https://3dprint.nih.gov/discover
>
> On Thu, Sep 7, 2017 at 12:02 PM, David E DeMarle
>  wrote:
> > Hi lists,
> >
> > We've been working lately to expose OSPRay's path traced lights and
> > materials inside VTK and ParaView. I'd like to make some snazzy
> > photorealistic images and movies now and post them on the website, at
> > conferences  and in press releases.
> >
> > Unsurprisingly the images I can make out of vtkSphereSource and the like,
> > are not all that compelling. That's why I'm reaching out to see if anyone
> > has some great looking, real world, data that I might work with.
> >
> > I am thinking something like a car with lots of glass and metal and
> rubber
> > would be ideal - especially if the data also had some interesting
> attribute
> > data on it that I could colormap at the same time. I'm more than happy to
> > attribute the data however you like.
> >
> > Feel free to contact me off-list if you like.
> >
> > thanks
> >
> > David E DeMarle
> > Kitware, Inc.
> > Principal Engineer
> > 21 Corporate Drive
> > Clifton Park, NY 12065-8662
> > Phone: 518-881-4909
> >
> > ___
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> >
> > Visit other Kitware open-source projects at
> > http://www.kitware.com/opensource/opensource.html
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> >
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> >
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>
>
>
> --
> Unpaid intern in BillsBasement at noware dot com
>
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[Paraview] New download page layout

[Van Moer, Mark W]

Hi, just wanted to say I really like the new page layout at 
https://www.paraview.org/download/
Mark
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Re: [Paraview] New download page layout

[Sebastien Jourdain]

Thanks Mark for sharing your thoughts...
It is always nice to have positive feedback from the community. ;-)


On Thu, Sep 7, 2017 at 12:28 PM, Van Moer, Mark W 
wrote:

> Hi, just wanted to say I really like the new page layout at
> https://www.paraview.org/download/
>
> Mark
>
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Re: [Paraview] paraview display issue on parallel files

[Andy Bauer]

Hi,

You can remap the point variables back onto the points using the Resample
with Dataset filter but that won't work for cell data.

I believe that the D3 filter is only available if you have ParaView
built/installed with MPI. Even then it will only work if you're running
with more than a single MPI process.

I still suggest writing out the data with either marking the repeated cells
as ghost cells or not including them in the file as any other thing you do
to get around that can become fairly expensive and manually intensive as
you go to bigger datasets.

Andy

On Wed, Sep 6, 2017 at 3:28 PM, Rilin Shen  wrote:

> Dear all,
>
> Thanks for your suggestions. It is exactly what you said.
>
> Marking ghost cell would be non-trival work and I tried the second idea.
> But only cell and points information is left, other field information
> associated with points seem to be lost. Is that the case? If that is the
> case, is there an easy way to attach point data to points again?
>
> BTW, I searched the internet and found that the D3 filter could be a good
> option for my unstructured grid information. But I cannot find the D3
> filter as Filters>Alphabetical>D3. So my second question is how to add D3
> filter to my paraview?
>
> Best regards,
>
>
> Rilin Shen
> Division of Solid Mechanics, School of Astronautics
> *Harbin Institute of Technology*, Harbin 150001, China
> Civil Engineering & Engineering Mechanics
> *Columbia University*, New York 10027, U.S.
> Tel: (+1) 646-200-2122 <(646)%20200-2122>
> Email: shenri...@gmail.com  /  rs3...@columbia.edu 
>
> 2017-09-06 14:50 GMT-04:00 Andy Bauer :
>
>> Hi,
>>
>> Please respond to the entire mailing list so that anyone that wants to
>> participate or follow along can.
>>
>> I think the issue here is that you have the same cell specified in
>> multiple vtu files and ParaView is getting confused when trying to render
>> them. These are the overlapping cells at the subdomain boundary. My
>> recommendation would be to either mark these repeated cells as ghost cells
>> (see https://blog.kitware.com/ghost-and-blanking-visibility-changes/ for
>> information on that). Other than that, you could use the Clean to Grid
>> filter to get rid of coincident points and then use the Clean Cells to Grid
>> filter to get rid of extra copies of the cell.
>>
>> Cheers,
>> Andy
>>
>>
>> On Tue, Sep 5, 2017 at 6:24 PM, Rilin Shen  wrote:
>>
>>> ​
>>>  Bone.7z
>>> 
>>> ​​​Dear Andy,
>>>
>>> Thanks a lot for your help.
>>>
>>> As you said, It looks like a ghost cell issue. I attached my dataset.
>>> Please check it.
>>>
>>> If you need any additional information, please let me know.
>>>
>>> Best regards,
>>>
>>> Rilin Shen
>>> Division of Solid Mechanics, School of Astronautics
>>> *Harbin Institute of Technology*, Harbin 150001, China
>>> Civil Engineering & Engineering Mechanics
>>> *Columbia University*, New York 10027, U.S.
>>> Tel: (+1) 646-200-2122 <(646)%20200-2122>
>>> Email: shenri...@gmail.com  /  rs3...@columbia.edu 
>>>
>>> 2017-09-05 16:54 GMT-04:00 Andy Bauer :
>>>
 Hi,

 This typically happens when ghost cells are marked improperly or the
 data set has a node/point partitioning and no cells to bridge between the
 subdomains (though the point partitioning issue usually happens with finite
 difference simulations instead of FEM simulations). If you could share your
 dataset it would be easier to diagnose.

 Best,
 Andy

 On Tue, Sep 5, 2017 at 4:23 PM, Rilin Shen  wrote:

> Dear all,
>
> I'm very happy to meet all of you in this society.
>
> I use a finite element software with multiprocessors(40) to solve
> problems.
>
> All the .vtu files. associated with each processor are output and then
> a file .pvtu is generated.
>
> The original file is displayed perfectly as shown in bone.png.
> However, when I try to cut it with a plane, it occurs the following issue
> as clip.png, It seems not be displayed correctly.
>
> Would you please tell me what happened to my data?
>
> Best regards,
>
> Rilin Shen
> Division of Solid Mechanics, School of Astronautics
> *Harbin Institute of Technology*, Harbin 150001, China
> Civil Engineering & Engineering Mechanics
> *Columbia University*, New York 10027, U.S.
> Tel: (+1) 646-200-2122 <(646)%20200-2122>
> Email: shenri...@gmail.com  /  rs3...@columbia.edu 
>
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>
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Re: [Paraview] paraview display issue on parallel files

[Rilin Shen]

Dear Andy,

Thanks very much.

You can remap the point variables back onto the points using the Resample
> with Dataset filter but that won't work for cell data.

I tried the method you advised. Assuming that the original file name is A
and the file after Clean to Grid and Clean Cells to Grid is B, I tried two
different options for the source for Resample with DataSets and both A and
B are not working.  Do I misunderstand something?

I believe that the D3 filter is only available if you have ParaView
> built/installed with MPI. Even then it will only work if you're running
> with more than a single MPI process.

I only use serial paraview to process multi-results generated by other
programs.  I don't use the parallel paraview to deal with large datasets so
I think D3 filter is not suitable for me.


I still suggest writing out the data with either marking the repeated cells
> as ghost cells or not including them in the file as any other thing you do
> to get around that can become fairly expensive and manually intensive as
> you go to bigger datasets.

I would try to not include repeated cells in the original output file. But
how to mark the repeated cells as ghost cells? I think there should a
vtu/pvtu file format to describe it but I didn't find it on the internet.
Could you please share it to me?

BTW,  when I clip a small model with 6700 elements generated by 40
processors, it looks fine. So my question: is there a limit to deal with
the large dataset for paraview?

Best regards,

Rilin Shen
Division of Solid Mechanics, School of Astronautics
*Harbin Institute of Technology*, Harbin 150001, China
Civil Engineering & Engineering Mechanics
*Columbia University*, New York 10027, U.S.
Tel: (+1) 646-200-2122
Email: shenri...@gmail.com  /  rs3...@columbia.edu 

2017-09-07 15:00 GMT-04:00 Andy Bauer :

> Hi,
>
> You can remap the point variables back onto the points using the Resample
> with Dataset filter but that won't work for cell data.
>
> I believe that the D3 filter is only available if you have ParaView
> built/installed with MPI. Even then it will only work if you're running
> with more than a single MPI process.
>
> I still suggest writing out the data with either marking the repeated
> cells as ghost cells or not including them in the file as any other thing
> you do to get around that can become fairly expensive and manually
> intensive as you go to bigger datasets.
>
> Andy
>
> On Wed, Sep 6, 2017 at 3:28 PM, Rilin Shen  wrote:
>
>> Dear all,
>>
>> Thanks for your suggestions. It is exactly what you said.
>>
>> Marking ghost cell would be non-trival work and I tried the second idea.
>> But only cell and points information is left, other field information
>> associated with points seem to be lost. Is that the case? If that is the
>> case, is there an easy way to attach point data to points again?
>>
>> BTW, I searched the internet and found that the D3 filter could be a good
>> option for my unstructured grid information. But I cannot find the D3
>> filter as Filters>Alphabetical>D3. So my second question is how to add D3
>> filter to my paraview?
>>
>> Best regards,
>>
>>
>> Rilin Shen
>> Division of Solid Mechanics, School of Astronautics
>> *Harbin Institute of Technology*, Harbin 150001, China
>> Civil Engineering & Engineering Mechanics
>> *Columbia University*, New York 10027, U.S.
>> Tel: (+1) 646-200-2122 <(646)%20200-2122>
>> Email: shenri...@gmail.com  /  rs3...@columbia.edu 
>>
>> 2017-09-06 14:50 GMT-04:00 Andy Bauer :
>>
>>> Hi,
>>>
>>> Please respond to the entire mailing list so that anyone that wants to
>>> participate or follow along can.
>>>
>>> I think the issue here is that you have the same cell specified in
>>> multiple vtu files and ParaView is getting confused when trying to render
>>> them. These are the overlapping cells at the subdomain boundary. My
>>> recommendation would be to either mark these repeated cells as ghost cells
>>> (see https://blog.kitware.com/ghost-and-blanking-visibility-changes/
>>> for information on that). Other than that, you could use the Clean to Grid
>>> filter to get rid of coincident points and then use the Clean Cells to Grid
>>> filter to get rid of extra copies of the cell.
>>>
>>> Cheers,
>>> Andy
>>>
>>>
>>> On Tue, Sep 5, 2017 at 6:24 PM, Rilin Shen  wrote:
>>>
 ​
  Bone.7z
 
 ​​​Dear Andy,

 Thanks a lot for your help.

 As you said, It looks like a ghost cell issue. I attached my dataset.
 Please check it.

 If you need any additional information, please let me know.

 Best regards,

 Rilin Shen
 Division of Solid Mechanics, School of Astronautics
 *Harbin Institute of Technology*, Harbin 150001, China
 Civil Engineering & Engineering Mechanics
 *Columbia University*, New York 10027, U.S.
 Tel: (+1) 646-200-2122 <(646)%20200-2122>
 Email: shenri...@gmail.com  /  rs3...@colu

Re: [Paraview] Fwd: paraview.simple

[Cory Quammen]

> I usually use:
> ./

I think you would be better off running your script with

./pvpython 

pvpython comes with the ParaView binary and is located in the same
directory as the 'paraview' executable. pvpython uses the same Python
as ParaView is, so compatibility with some local Python on your system
is not a problem. Further, pvpython sets up Python environment to
provide access to the ParaView and VTK Python modules without having
to set up any environment variables.

> but I also tried with:
> python3 

python3 definitely won't work with the official ParaView binaries,
which are built against Python 2.7.

HTH,
Cory

>
> Guillermo
>
> P.S: With the version 5.0.1 installed and working fine (the script works) I
> have searched the lib you mentioned to me but I do not have it.
>
> 2017-08-23 13:15 GMT-01:00 Cory Quammen :
>>
>> > The problem results when executing the python script from the Ubuntu's
>> > terminal.
>>
>> What command are you using to run the Python script?
>>
>> Thanks,
>> Cory
>>
>> > Thank you very much.
>> >
>> > ASAP I will try to install the v5.3 and I will let you know if I
>> > encounter
>> > any problem.
>> >
>> > Cheers,
>> >
>> > Guillermo
>> >
>> >
>> > On 23/08/17 12:58, Cory Quammen wrote:
>> >
>> > Guillermo,
>> >
>> > I'm sorry that my suggestions didn't work out.
>> >
>> > Could you try one last thing? Please run the following commands:
>> >
>> > cd /opt/ParaView-5.3.0-Qt5-OpenGL2-MPI-Linux-64bit/bin
>> > ./paraview
>> >
>> > That should work without problem. If it doesn't, we definitely have a
>> > problem.
>> >
>> > Cheers,
>> > Cory
>> >
>> > On Wed, Aug 23, 2017 at 7:32 AM, Guillermo 
>> > wrote:
>> >
>> > Hi Cory,
>> >
>> > I have made a purge of paraview, reinstalled the 5.3 version, as I
>> > indicated
>> > on the first email, but the result is the same,  it does not work and
>> > the
>> > message is the same as in the beginning. Also, the libs you indicated to
>> > me
>> > are not present.
>> >
>> > Actually, I really need to use this python script and I do not have too
>> > much
>> > time to spend on it, so I decided to downgrade to 5.0.1 version.
>> >
>> > In a near future, 1-1.5 month, I will try it again, as I want to upgrade
>> > to
>> > a newer version. I will let you know if I experiment any issue.
>> >
>> > Sorry for the inconveniences,
>> >
>> > Really grateful,
>> >
>> > Guillermo S.
>> >
>> >
>> > On 22/08/17 13:46, Cory Quammen wrote:
>> >
>> > Oops, I failed to change the version number in the line I gave you,
>> > but caught that and corrected it, just not quite to the right version
>> > number.
>> >
>> > Try
>> >
>> > export
>> >
>> > PYTHONPATH=$PYTHONPATH:/opt/ParaView-5.3.0-Qt5-OpenGL2-MPI-Linux-64bit/lib/paraview-5.3
>> >
>> > Basically, you have to set the PYTHONPATH to where the lib*Python.so
>> > files are located. Make sure
>> > /opt/ParaView-5.3.0-Qt5-OpenGL2-MPI-Linux-64bit/lib/paraview-5.3
>> > exists and confirm that a file starting with libvtkCommonCorePython27
>> > is there.
>> >
>> > Stepping back a bit, you wouldn't have to do any of this PYTHONPATH
>> > stuff if you just add
>> >
>> > /opt/ParaView-5.3.0-Qt5-OpenGL2-MPI-Linux-64bit/bin
>> >
>> > to your PATH.
>> >
>> > HTH,
>> > Cory
>> >
>> > On Tue, Aug 22, 2017 at 1:38 PM, Guillermo 
>> > wrote:
>> >
>> > I forgot to mention that the error message is the same as before.
>> >
>> >
>> > On 22/08/17 13:24, Cory Quammen wrote:
>> >
>> > Guillermo,
>> >
>> > Please CC the mailing list so others can participate and learn from
>> > the discussion.
>> >
>> > That looks like progress. Now try adding to your .bashrc:
>> >
>> > export
>> >
>> > PYTHONPATH=$PYTHONPATH:/opt/ParaView-5.3.0-Qt5-OpenGL2-MPI-Linux-64bit/lib/paraview-5.4
>> >
>> > HTH,
>> > Cory
>> >
>> > On Tue, Aug 22, 2017 at 10:19 AM, Guillermo Suárez
>> >  wrote:
>> >
>> > Hi Cory,
>> >
>> > Thank you very much for your fast response. Unfortunately it didn't work
>> > (I
>> > just copied and pasted into the .bashrc the sentence you gave to me).
>> > However, the new error message is:
>> >
>> > Error: Could not import vtkCommonComputationalGeometry
>> > Traceback (most recent call last):
>> >File "./", line XX, in 
>> > from paraview.simple import *
>> >File
>> >
>> >
>> > "/opt/ParaView-5.3.0-Qt5-OpenGL2-MPI-Linux-64bit/lib/python2.7/site-packages/paraview/simple.py",
>> > line 43, in 
>> >  from paraview import servermanager
>> >File
>> >
>> >
>> > "/opt/ParaView-5.3.0-Qt5-OpenGL2-MPI-Linux-64bit/lib/python2.7/site-packages/paraview/servermanager.py",
>> > line 53, in 
>> >  from paraview import vtk
>> >File
>> >
>> >
>> > "/opt/ParaView-5.3.0-Qt5-OpenGL2-MPI-Linux-64bit/lib/python2.7/site-packages/paraview/vtk/__init__.py",
>> > line 7, in 
>> >  from paraview.vtk.vtkCommonCore import *
>> >File
>> >
>> >
>> > "/opt/ParaView-5.3.0-Qt5-OpenGL2-MPI-Linux-64bit/lib/python2.7/site-packages/paraview/vtk/vtkCommonCore.py",
>> > line 9, in 
>> >  from vtkCommonCorePython import *
>> > ImportError: N

Re: [Paraview] Error message: Not supported on OpenGL ES when I launch Paraview

[Cory Quammen]

Hi Antonio,

I have reported an issue for this so we can track the issue:
https://gitlab.kitware.com/paraview/paraview/issues/17695

- Cory

On Mon, Sep 4, 2017 at 8:22 AM, Antonio Orlando
 wrote:
> Dear All:
>
> I have tried to install the new version of
> ParaView-5.4.1-Qt5-OpenGL2-Windows-64bit.exe on Windows 8.1, with a
> 64bit OS, and when I launch it I get at the end of a long error
> message log the following
>
> ERROR: In 
> C:\bbd\7cc78367\build\superbuild\paraview\src\VTK\Rendering\OpenGL2\vtkShaderProgram.cxx,
> line 409
> vtkShaderProgram (00A5CDCC3D00):
>
> Generic Warning: In
> C:\bbd\7cc78367\build\superbuild\paraview\src\VTK\Rendering\OpenGL2\vtkOpenGLRenderTimer.cxx,
> line 104
> vtkOpenGLRenderTimer::Stop called before vtkOpenGLRenderTimer::Start. 
> Ignoring.
>
> versionFunctions: Not supported on OpenGL ES
>
>
> Would someone give me a hint what I should do for a correct
> installation? Many thanks.
> ___
> Powered by www.kitware.com
>
> Visit other Kitware open-source projects at 
> http://www.kitware.com/opensource/opensource.html
>
> Please keep messages on-topic and check the ParaView Wiki at: 
> http://paraview.org/Wiki/ParaView
>
> Search the list archives at: http://markmail.org/search/?q=ParaView
>
> Follow this link to subscribe/unsubscribe:
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-- 
Cory Quammen
Staff R&D Engineer
Kitware, Inc.
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Re: [Paraview] Error message: Not supported on OpenGL ES when I launch Paraview

[Utkarsh Ayachit]

Can you try something out:
1. Download https://www.paraview.org/files/dependencies/mesa-opengl-win64.zip
2. Put all the dlls in the same location as paraview.exe (or in your
PATH) and then start ParaView

Does that work? This should use  software rendering via Mesa3D and
avoid any driver issues we may be running into.

Utkarsh

On Mon, Sep 4, 2017 at 8:22 AM, Antonio Orlando
 wrote:
> Dear All:
>
> I have tried to install the new version of
> ParaView-5.4.1-Qt5-OpenGL2-Windows-64bit.exe on Windows 8.1, with a
> 64bit OS, and when I launch it I get at the end of a long error
> message log the following
>
> ERROR: In 
> C:\bbd\7cc78367\build\superbuild\paraview\src\VTK\Rendering\OpenGL2\vtkShaderProgram.cxx,
> line 409
> vtkShaderProgram (00A5CDCC3D00):
>
> Generic Warning: In
> C:\bbd\7cc78367\build\superbuild\paraview\src\VTK\Rendering\OpenGL2\vtkOpenGLRenderTimer.cxx,
> line 104
> vtkOpenGLRenderTimer::Stop called before vtkOpenGLRenderTimer::Start. 
> Ignoring.
>
> versionFunctions: Not supported on OpenGL ES
>
>
> Would someone give me a hint what I should do for a correct
> installation? Many thanks.
> ___
> Powered by www.kitware.com
>
> Visit other Kitware open-source projects at 
> http://www.kitware.com/opensource/opensource.html
>
> Please keep messages on-topic and check the ParaView Wiki at: 
> http://paraview.org/Wiki/ParaView
>
> Search the list archives at: http://markmail.org/search/?q=ParaView
>
> Follow this link to subscribe/unsubscribe:
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Re: [Paraview] paraview display issue on parallel files

[Moreland, Kenneth]

Rilin,

I think I found a solution for you that will work at least most of the time. 
The solution is to simply write out .vtm files instead of .pvtu files. vtm, 
which is the multiblock file format, is similar to the pvt* format. The main 
difference is that when VTK reads in vtm files it keeps the data from different 
files in different blocks, and that will prevent ParaView from removing what it 
thinks are internal faces. I’ve attached an example vtkm file to this email.

A bit more explanation and a description of where this will fail. As Andy said 
the problem is that the files in your dataset have overlapping cells. When 
ParaView reads in a pvtu file, it combines all the cells from all files into a 
single mesh, and this mesh will have duplicates of the overlapping cells. By 
definition, these overlapping cells will share all of their faces. ParaView’s 
external faces algorithm assumes that if two cells have the same face, that 
face must be internal and can be removed (which is true in conforming meshes 
but not when there are duplicate cells). When you first load your mesh into 
ParaView, everything seems to be working fine because the reader is also 
creating duplicate points so index-wise the duplicate cells register as 
different. But many operations (like merge cells, clip, and D3) will find 
coincident points and merge them together. That’s when ParaView removes all the 
faces of all duplicate cells.

When ParaView reads the vtm file, it keeps the data from each file in a 
separate mesh. When ParaView runs algorithms like external faces, it does so 
independently from each other. So even if the cells are sharing faces, they 
will be across blocks and will still be considered external. The multiblock 
structure should remain intact as long as you don’t run a filter that merges 
them together like D3 or Merge Blocks.

Hope that helps.

-Ken

From: ParaView [mailto:paraview-boun...@paraview.org] On Behalf Of Rilin Shen
Sent: Thursday, September 7, 2017 1:38 PM
To: Bauer, Andy (External Contacts) 
Cc: paraview@paraview.org
Subject: [EXTERNAL] Re: [Paraview] paraview display issue on parallel files

Dear Andy,

Thanks very much.

You can remap the point variables back onto the points using the Resample with 
Dataset filter but that won't work for cell data.
I tried the method you advised. Assuming that the original file name is A and 
the file after Clean to Grid and Clean Cells to Grid is B, I tried two 
different options for the source for Resample with DataSets and both A and B 
are not working.  Do I misunderstand something?

I believe that the D3 filter is only available if you have ParaView 
built/installed with MPI. Even then it will only work if you're running with 
more than a single MPI process.
I only use serial paraview to process multi-results generated by other 
programs.  I don't use the parallel paraview to deal with large datasets so I 
think D3 filter is not suitable for me.


I still suggest writing out the data with either marking the repeated cells as 
ghost cells or not including them in the file as any other thing you do to get 
around that can become fairly expensive and manually intensive as you go to 
bigger datasets.
I would try to not include repeated cells in the original output file. But how 
to mark the repeated cells as ghost cells? I think there should a vtu/pvtu file 
format to describe it but I didn't find it on the internet. Could you please 
share it to me?

BTW,  when I clip a small model with 6700 elements generated by 40 processors, 
it looks fine. So my question: is there a limit to deal with the large dataset 
for paraview?

Best regards,

Rilin Shen
Division of Solid Mechanics, School of Astronautics
Harbin Institute of Technology, Harbin 150001, China
Civil Engineering & Engineering Mechanics
Columbia University, New York 10027, U.S.
Tel: (+1) 646-200-2122
Email: shenri...@gmail.com  /  
rs3...@columbia.edu

2017-09-07 15:00 GMT-04:00 Andy Bauer 
mailto:andy.ba...@kitware.com>>:
Hi,

You can remap the point variables back onto the points using the Resample with 
Dataset filter but that won't work for cell data.

I believe that the D3 filter is only available if you have ParaView 
built/installed with MPI. Even then it will only work if you're running with 
more than a single MPI process.

I still suggest writing out the data with either marking the repeated cells as 
ghost cells or not including them in the file as any other thing you do to get 
around that can become fairly expensive and manually intensive as you go to 
bigger datasets.

Andy

On Wed, Sep 6, 2017 at 3:28 PM, Rilin Shen 
mailto:shenri...@gmail.com>> wrote:
Dear all,

Thanks for your suggestions. It is exactly what you said.

Marking ghost cell would be non-trival work and I tried the second idea.  But 
only cell and points information is left, other field information associated 
with points seem to be lost. Is that the case? If that 

[Paraview] Using 64 or more cores on a single node when running client/server

[Hennessey, Joseph G CTR USARMY RDECOM ARL (US)]

Hello,

Has anyone managed to use ParaView 5.4.x with more than 64 core 
on a single node when running in client/server moder.

Thanks,

Joe

~~~
Joseph G. Hennessey Ph.D., SAIC
Team SAIC
Army Research Lab
Email:  joseph.g.hennessey2@mail.mil




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[Paraview] Problems with mpi4py and SGI's mpt 2.14 and 2.15 versions of MPI

[Hennessey, Joseph G CTR USARMY RDECOM ARL (US)]

Hello,

I have been running into problems with
mpi4py and SGI's mpt 2.14 and 2.15  versions of MPI
while compiling ParaView 5.3.0 on HPC systems.

mpi4py cannot find MPI_CONVERSION_FN_NULL
when compiling mpi4py.MPI.c

MPI_CONVERSION_FN_NULL was not used by the
version of mpi4py that came with ParaView 5.2.0
and when I swap the ParaView 5.2.0 version of mpi4py
in place of the ParaView 5.3.0 , 5.4.0 or 5.4.1 versions of mpi4py then
ParaView 5.3.0, 5.4.0 and 5.4.1 (with the 5.2.0 version of mpi4py)
compile just fine.

Has anyone found a better solution to this issue?

Thanks,

Joe

~~~
Joseph G. Hennessey Ph.D., SAIC
Team SAIC
Army Research Lab
Email:  joseph.g.hennessey2@mail.mil




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Re: [Paraview] paraview display issue on parallel files

[Rilin Shen]

Dear Kenneth and Andy,

Thanks so much.

This works fine. It is truly the simplest way for me to post-processing the
data.  In this way, almost all the serial algorithm can be applied to
multi-files.

Thanks again for your kind help.

Best regards.

Rilin Shen
Division of Solid Mechanics, School of Astronautics
*Harbin Institute of Technology*, Harbin 150001, China
Civil Engineering & Engineering Mechanics
*Columbia University*, New York 10027, U.S.
Tel: (+1) 646-200-2122
Email: shenri...@gmail.com  /  rs3...@columbia.edu 

2017-09-07 16:18 GMT-04:00 Moreland, Kenneth :

> Rilin,
>
>
>
> I think I found a solution for you that will work at least most of the
> time. The solution is to simply write out .vtm files instead of .pvtu
> files. vtm, which is the multiblock file format, is similar to the pvt*
> format. The main difference is that when VTK reads in vtm files it keeps
> the data from different files in different blocks, and that will prevent
> ParaView from removing what it thinks are internal faces. I’ve attached an
> example vtkm file to this email.
>
>
>
> A bit more explanation and a description of where this will fail. As Andy
> said the problem is that the files in your dataset have overlapping cells.
> When ParaView reads in a pvtu file, it combines all the cells from all
> files into a single mesh, and this mesh will have duplicates of the
> overlapping cells. By definition, these overlapping cells will share all of
> their faces. ParaView’s external faces algorithm assumes that if two cells
> have the same face, that face must be internal and can be removed (which is
> true in conforming meshes but not when there are duplicate cells). When you
> first load your mesh into ParaView, everything seems to be working fine
> because the reader is also creating duplicate points so index-wise the
> duplicate cells register as different. But many operations (like merge
> cells, clip, and D3) will find coincident points and merge them together.
> That’s when ParaView removes all the faces of all duplicate cells.
>
>
>
> When ParaView reads the vtm file, it keeps the data from each file in a
> separate mesh. When ParaView runs algorithms like external faces, it does
> so independently from each other. So even if the cells are sharing faces,
> they will be across blocks and will still be considered external. The
> multiblock structure should remain intact as long as you don’t run a filter
> that merges them together like D3 or Merge Blocks.
>
>
>
> Hope that helps.
>
>
>
> -Ken
>
>
>
> *From:* ParaView [mailto:paraview-boun...@paraview.org] *On Behalf Of *Rilin
> Shen
> *Sent:* Thursday, September 7, 2017 1:38 PM
> *To:* Bauer, Andy (External Contacts) 
> *Cc:* paraview@paraview.org
> *Subject:* [EXTERNAL] Re: [Paraview] paraview display issue on parallel
> files
>
>
>
> Dear Andy,
>
>
>
> Thanks very much.
>
>
>
> You can remap the point variables back onto the points using the Resample
> with Dataset filter but that won't work for cell data.
>
> I tried the method you advised. Assuming that the original file name is A
> and the file after Clean to Grid and Clean Cells to Grid is B, I tried two
> different options for the source for Resample with DataSets and both A and
> B are not working.  Do I misunderstand something?
>
>
>
> I believe that the D3 filter is only available if you have ParaView
> built/installed with MPI. Even then it will only work if you're running
> with more than a single MPI process.
>
> I only use serial paraview to process multi-results generated by other
> programs.  I don't use the parallel paraview to deal with large datasets so
> I think D3 filter is not suitable for me.
>
>
>
>
>
> I still suggest writing out the data with either marking the repeated
> cells as ghost cells or not including them in the file as any other thing
> you do to get around that can become fairly expensive and manually
> intensive as you go to bigger datasets.
>
> I would try to not include repeated cells in the original output file. But
> how to mark the repeated cells as ghost cells? I think there should a
> vtu/pvtu file format to describe it but I didn't find it on the internet.
> Could you please share it to me?
>
>
>
> BTW,  when I clip a small model with 6700 elements generated by 40
> processors, it looks fine. So my question: is there a limit to deal with
> the large dataset for paraview?
>
>
>
> Best regards,
>
>
> Rilin Shen
>
> Division of Solid Mechanics, School of Astronautics
>
> *Harbin Institute of Technology*, Harbin 150001, China
>
> Civil Engineering & Engineering Mechanics
>
> *Columbia University*, New York 10027, U.S.
>
> Tel: (+1) 646-200-2122 <+1%20646-200-2122>
>
> Email: shenri...@gmail.com  /  rs3...@columbia.edu 
>
>
>
> 2017-09-07 15:00 GMT-04:00 Andy Bauer :
>
> Hi,
>
>
>
> You can remap the point variables back onto the points using the Resample
> with Dataset filter but that won't work for cell data.
>
>
>
> I believe that the D3 filter is only available if you have P

Re: [Paraview] Error message: Not supported on OpenGL ES when I launch Paraview

[Cory Quammen]

Antonio,

I'm adding back Utkarsh, who pointed you to the mesa libraries. Please
also reply to the mailing list so that others may benefit from and
contribute to the discussion.

What kind of graphics hardware do you have on that machine?

Thanks,
Cory



On Thu, Sep 7, 2017 at 4:57 PM, Antonio Orlando
 wrote:
> Hi Cory:
>
> Thanks for your message and for the drivers.
>
> I am sorry but it is still not working!
>
> The error message I get is the following.
>
> ---
>
> ERROR: In 
> C:\bbd\7cc78367\build\superbuild\paraview\src\VTK\Rendering\OpenGL2\vtkOpenGLRenderWindow.cxx,
> line 819
> vtkGenericOpenGLRenderWindow (00214C5F3460): GLEW could not be 
> initialized.
>
> ERROR: In 
> C:\bbd\7cc78367\build\superbuild\paraview\src\VTK\Rendering\OpenGL2\vtkOpenGLRenderWindow.cxx,
> line 819
> vtkGenericOpenGLRenderWindow (00214C5F3460): GLEW could not be 
> initialized.
>
> ERROR: In 
> C:\bbd\7cc78367\build\superbuild\paraview\src\VTK\Rendering\OpenGL2\vtkShaderProgram.cxx,
> line 453
> vtkShaderProgram (00214CB8B7A0): Shader object was not
> initialized, cannot attach it.
>
> ERROR: In 
> C:\bbd\7cc78367\build\superbuild\paraview\src\VTK\Rendering\OpenGL2\vtkShaderProgram.cxx,
> line 408
> vtkShaderProgram (00214CB8B7A0): 1: #version 120
> 2: #ifdef GL_ES
> 3: #if __VERSION__ == 300
> 4: #define attribute in
> 5: #define varying out
> 6: #endif // 300
> 7: #else // GL_ES
> 8: #define highp
> 9: #define mediump
> 10: #define lowp
> 11: #if __VERSION__ == 150
> 12: #define attribute in
> 13: #define varying out
> 14: #endif
> 15: #endif // GL_ES
> 16:
> 17:
> 18: 
> /*=
> 19:
> 20:   Program:   Visualization Toolkit
> 21:   Module:vtkPolyDataVS.glsl
> 22:
> 23:   Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
> 24:   All rights reserved.
> 25:   See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
> 26:
> 27:  This software is distributed WITHOUT ANY WARRANTY; without even
> 28:  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
> 29:  PURPOSE.  See the above copyright notice for more information.
> 30:
> 31: 
> =*/
> 32:
> 33: attribute vec4 vertexMC;
> 34:
> 35: // frag position in VC
> 36: //VTK::PositionVC::Dec
> 37:
> 38: // optional normal declaration
> 39: //VTK::Normal::Dec
> 40:
> 41: // extra lighting parameters
> 42: //VTK::Light::Dec
> 43:
> 44: // Texture coordinates
> 45: //VTK::TCoord::Dec
> 46:
> 47: // material property values
> 48: //VTK::Color::Dec
> 49:
> 50: // clipping plane vars
> 51: //VTK::Clip::Dec
> 52:
> 53: // camera and actor matrix values
> 54: uniform mat4 MCDCMatrix;
> 55:
> 56: // Apple Bug
> 57: //VTK::PrimID::Dec
> 58:
> 59: // Value raster
> 60: //VTK::ValuePass::Dec
> 61:
> 62: void main()
> 63: {
> 64:   //VTK::Color::Impl
> 65:
> 66:   //VTK::Normal::Impl
> 67:
> 68:   //VTK::TCoord::Impl
> 69:
> 70:   //VTK::Clip::Impl
> 71:
> 72:   //VTK::PrimID::Impl
> 73:
> 74: gl_Position = MCDCMatrix * vertexMC;
> 75:
> 76:
> 77:   //VTK::ValuePass::Impl
> 78:
> 79:   //VTK::Light::Impl
> 80: }
> 81:
>
> --
>
> Does this have something to do with my graphics card?
>
> Many thanks for your attention.
>
> Kind regards
>
> Antonio
>
>
>
>
>
> 2017-09-07 17:06 GMT-03:00, Cory Quammen :
>> Hi Antonio,
>>
>> I have reported an issue for this so we can track the issue:
>> https://gitlab.kitware.com/paraview/paraview/issues/17695
>>
>> - Cory
>>
>> On Mon, Sep 4, 2017 at 8:22 AM, Antonio Orlando
>>  wrote:
>>> Dear All:
>>>
>>> I have tried to install the new version of
>>> ParaView-5.4.1-Qt5-OpenGL2-Windows-64bit.exe on Windows 8.1, with a
>>> 64bit OS, and when I launch it I get at the end of a long error
>>> message log the following
>>>
>>> ERROR: In
>>> C:\bbd\7cc78367\build\superbuild\paraview\src\VTK\Rendering\OpenGL2\vtkShaderProgram.cxx,
>>> line 409
>>> vtkShaderProgram (00A5CDCC3D00):
>>>
>>> Generic Warning: In
>>> C:\bbd\7cc78367\build\superbuild\paraview\src\VTK\Rendering\OpenGL2\vtkOpenGLRenderTimer.cxx,
>>> line 104
>>> vtkOpenGLRenderTimer::Stop called before vtkOpenGLRenderTimer::Start.
>>> Ignoring.
>>>
>>> versionFunctions: Not supported on OpenGL ES
>>>
>>>
>>> Would someone give me a hint what I should do for a correct
>>> installation? Many thanks.
>>> ___
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>>>
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>>> http://www.kitware.com/opensource/opensource.html
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>>> http://paraview.org/Wiki/ParaView
>>>
>>> Search the list archives at: http://markmail.org/search/?q=ParaView
>>>
>>> Follow this link 

Re: [Paraview] [EXTERNAL] Windows Surface Book

[Cory Quammen]

A student in a ParaView course I just taught had a regular Surface
(not Surface Book) and had no problem running ParaView on it.

- Cory

On Wed, Aug 30, 2017 at 8:54 PM, Utkarsh Ayachit
 wrote:
> I am afraid I have no experience with Surface book. Any more details?
> How does it fail?
>
> On Wed, Aug 30, 2017 at 8:05 PM, Scott, W Alan  wrote:
>> Ping?
>>
>>
>>
>> From: ParaView  on behalf of W Scott
>> 
>> Date: Thursday, August 24, 2017 at 3:27 PM
>> To: "paraview@paraview.org" 
>> Subject: [EXTERNAL] [Paraview] Windows Surface Book
>>
>>
>>
>> I have a user that is having issues running ParaView on a Windows Surface
>> Book.  Has anyone else seen this?  Any advice?
>>
>>
>>
>> Thanks,
>>
>>
>>
>> Alan
>>
>>
>>
>>
>>
>>
>> ___
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>>
>> Visit other Kitware open-source projects at
>> http://www.kitware.com/opensource/opensource.html
>>
>> Please keep messages on-topic and check the ParaView Wiki at:
>> http://paraview.org/Wiki/ParaView
>>
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>>
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>>
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Re: [Paraview] vtkClipDataSet in a programmable filter

[Cory Quammen]

Xavier,

The runtime error is troubling. I suspect there may be a problem or
incompatibility with a shared library on your system.

If you wanted to debug further, you could try downloading Dependency Walker
[1] and load paraview.exe with it. It should show you the DLLs ParaView is
trying to load. I wonder if ParaView is trying to load a Python other than
the one it ships with?

HTH,
Cory

[1] http://www.dependencywalker.com/

On Thu, Aug 31, 2017 at 2:32 AM, Xavier Garnaud  wrote:

> Dear Cory,
>
> Thank you for your help.
> In my case, this does not work and I get the following error message:
>
> Traceback (most recent call last):
>
> File "", line 22, in 
>
> File "", line 12, in RequestData
>
> TypeError: SetInputData argument 1: method requires a VTK object
>
> Maybe it is related to the fact that when I create the first programmable
> filter, I get this error message:
> [image: Inline image 1]
>
> I use Paraview 5.4.1 on windows (I get the same behavior with Paraview
> 5.3.0)
>
> Best regards,
>
> Xavier
>
> On Wed, Aug 30, 2017 at 7:38 PM, Cory Quammen 
> wrote:
>
>> This works for me in 5.4.1:
>>
>> import vtk
>>
>> plane = vtk.vtkPlane()
>> plane.SetOrigin(0, 0, 0)
>> plane.SetNormal(0, 1, 0)
>>
>> clip = vtk.vtkClipDataSet()
>> clip.SetClipFunction(plane)
>> clip.SetInputData(self.GetInput())
>> clip.Update()
>>
>> self.GetOutput().DeepCopy(clip.GetOutput())
>>
>> Make sure you set the "Output Data Set Type" to "vtkUnstructuredGrid"
>> before you first hit Apply. I believe there is a bug that does not let
>> you change the output data set type after you first click Apply.
>>
>> HTH,
>> Cory
>>
>> On Wed, Aug 30, 2017 at 10:27 AM, Xavier Garnaud 
>> wrote:
>> > Dear all,
>> >
>> > I'd like to use the vtkClipDataSet in a programmable filter, but I can't
>> > find it it paraview.vtk, and the function from vtk does not seem to
>> work. (I
>> > am using Paraview 5.2 or 5.4 on windows).
>> > Is the function available, or is there another way to perform the clip?
>> >
>> > Best regards,
>> >
>> > Xavier
>> >
>> > ___
>> > Powered by www.kitware.com
>> >
>> > Visit other Kitware open-source projects at
>> > http://www.kitware.com/opensource/opensource.html
>> >
>> > Please keep messages on-topic and check the ParaView Wiki at:
>> > http://paraview.org/Wiki/ParaView
>> >
>> > Search the list archives at: http://markmail.org/search/?q=ParaView
>> >
>> > Follow this link to subscribe/unsubscribe:
>> > http://public.kitware.com/mailman/listinfo/paraview
>> >
>>
>>
>>
>> --
>> Cory Quammen
>> Staff R&D Engineer
>> Kitware, Inc.
>>
>
>


-- 
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Staff R&D Engineer
Kitware, Inc.
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[Paraview] Dialog box for Macros?

[Shuhao Wu]

Hello,

I would like to create a dialog box for my macro that takes a screenshot 
for each timestep. I want to be able to specify a file name prefix and 
the number of timesteps to screenshot. I can't figure out how to import 
PyQT (tried import PyQt4, PyQt5, PySide). Am I doing something wrong?


Thanks,
Shuhao
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Re: [Paraview] Dialog box for Macros?

[Utkarsh Ayachit]

None of those packages are including in standard ParaView
distribution.  (PyQt5 could have been included but we can't because of
licensing issues).

Utkarsh



On Thu, Sep 7, 2017 at 5:17 PM, Shuhao Wu  wrote:
> Hello,
>
> I would like to create a dialog box for my macro that takes a screenshot for
> each timestep. I want to be able to specify a file name prefix and the
> number of timesteps to screenshot. I can't figure out how to import PyQT
> (tried import PyQt4, PyQt5, PySide). Am I doing something wrong?
>
> Thanks,
> Shuhao
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Re: [Paraview] Visualization of time course data with legacy vtk format

[Utkarsh Ayachit]

James,

Are you running into the following issue? Are your names suffixed by a
non-number?

https://gitlab.kitware.com/paraview/paraview/issues/17677





On Wed, Aug 30, 2017 at 2:04 PM, James Thunes  wrote:
> Hello all,
>
> Sometime between v5.1 and the latest version (v.5.4.1) the handling of
> legacy vtk files changed.
>
> I use paraview to visualize FE data that I've written in the legacy vtk
> format. Data is written with a separate file for each time step. The naming
> convention is: File.vtk with  the step number.
>
> When I click the open dialog with the latest version, I no longer see the
> files grouped as a file series (as described in this page from the wiki:
> Animating legacy VTK file series).
>
> Is this new behavior expected, and if so, is there an alternative way to
> visualize time series data?
>
> Thanks,
> James
>
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Re: [Paraview] loading multiple state-files without hiding and resetting already loaded objects

[Cory Quammen]

Hi Roman,

It turns out ParaView was not designed for this use case because of
certain difficulties discussed here:

https://gitlab.kitware.com/paraview/paraview/issues/17442

In your Python script, you could manually cash all the properties of
the existing representations and restore them after loading the most
recent state file.

The functions

reprs = GetRepresentations()
repr = reprs.values()[0]
props = repr.ListProperties()
GetProperty(repr, props[0])

would be helpful for this.

Cory


On Mon, Sep 4, 2017 at 8:42 AM, Grothausmann, Roman Dr.
 wrote:
> Dear mailing list members,
>
>
> It seems that PV (and paraview.simple.LoadState) by default hides already
> loaded objects (and resets e.g. their coloring) when another state-file is
> loaded.
> Is there a way to load multiple state-files after one another without hiding
> and resetting already existent objects? I.e. a way to concatenate multiple
> state-files and leave their objects in the state as they got loaded (e.g.
> colored, hidden/visible)?
> I do understand that loading a new state-file will reset the camera, but not
> the rest.
> Here's my initial attempt to achieve this with pvpython:
> https://github.com/romangrothausmann/ParaView_scripts/blob/90eb4ca8499070bed941d50b89ebea82fd6a9e23/pvsm-multi.py
>
> Any help or hints are very much appreciated
> Roman
>
> --
> Dr. Roman Grothausmann
>
> Tomographie und Digitale Bildverarbeitung
> Tomography and Digital Image Analysis
>
> Medizinische Hochschule Hannover
> Institut für Funktionelle und Angewandte Anatomie
> OE 4120, Carl-Neuberg-Str. 1, 30625 Hannover, Deutschland
>
> Tel. +49 511 532-2900
> grothausmann.ro...@mh-hannover.de
> http://www.mh-hannover.de/anatomie.html
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-- 
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Staff R&D Engineer
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Re: [Paraview] Visualization of time course data with legacy vtk format

[James Thunes]

Cory,

Thanks for taking a look. Your files did indeed load as expected.

It appears I was a bit hasty in my prior email. The naming scheme I use is
actually file_stress.vtk with X the step number. The "_stress" denotes
that I'm visualizing the stress (I sometimes output different data that
doesn't really make sense within a single output file).

Looking at the wiki, this is not, technically speaking, a valid naming
convention for animation of legacy vtk files. In my defense though, it does
work on versions of paraview prior to 5.4.

It appears that the logic for detecting series data is now more strict,
breaking my workflow. I'm guessing that fixing the naming convention to fit
within the accepted patterns is the best solution.

James

On Thu, Sep 7, 2017 at 5:04 PM, Cory Quammen 
wrote:

> James,
>
> I just tested this on ParaView 5.4.1 and could not reproduce it. My
> file series is:
>
> Sphere0001.vtk
> Sphere0002.vtk
> Sphere0003.vtk
>
> Could you try loading these files, which are attached in a .zip file?
>
> Thanks,
> Cory
>
>
>
> On Wed, Aug 30, 2017 at 2:04 PM, James Thunes  wrote:
> > Hello all,
> >
> > Sometime between v5.1 and the latest version (v.5.4.1) the handling of
> > legacy vtk files changed.
> >
> > I use paraview to visualize FE data that I've written in the legacy vtk
> > format. Data is written with a separate file for each time step. The
> naming
> > convention is: File.vtk with  the step number.
> >
> > When I click the open dialog with the latest version, I no longer see the
> > files grouped as a file series (as described in this page from the wiki:
> > Animating legacy VTK file series).
> >
> > Is this new behavior expected, and if so, is there an alternative way to
> > visualize time series data?
> >
> > Thanks,
> > James
> >
> > ___
> > Powered by www.kitware.com
> >
> > Visit other Kitware open-source projects at
> > http://www.kitware.com/opensource/opensource.html
> >
> > Please keep messages on-topic and check the ParaView Wiki at:
> > http://paraview.org/Wiki/ParaView
> >
> > Search the list archives at: http://markmail.org/search/?q=ParaView
> >
> > Follow this link to subscribe/unsubscribe:
> > http://public.kitware.com/mailman/listinfo/paraview
> >
>
>
>
> --
> Cory Quammen
> Staff R&D Engineer
> Kitware, Inc.
>
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[Paraview] Question about animation background size

[Li, Teng]

Hi,

I have a question about saving animation. I find that when I try to save the 
animation, the main model only occupies a small space. The background will 
occupy a large space. I wonder how can I save the animation to make sure not 
only the whole main body will show in the video, but also the background area 
is very small.

Thanks!

Best,
Teng


Teng Li

Master Candidate in Structures

Department of Civil and Environmental Engineering

University of Illinois at Urbana-Champaign

205 North Mathews Ave, Urbana, IL. 61801

Phone:(217)8196210, Email: teng...@illinois.edu


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Re: [Paraview] Error message: Not supported on OpenGL ES when I launch Paraview

[Antonio Orlando]

Thanks Cory for your prompt reply and sorry for not sending the
message to the mailing list.

I have the graphics card NVIDIA GeForce GT 750M 2GB DDR5

I can run though Paraview 4.

Thanks again for your attention to this matter.

Cheers
Antonio


2017-09-07 17:59 GMT-03:00, Cory Quammen :
> Antonio,
>
> I'm adding back Utkarsh, who pointed you to the mesa libraries. Please
> also reply to the mailing list so that others may benefit from and
> contribute to the discussion.
>
> What kind of graphics hardware do you have on that machine?
>
> Thanks,
> Cory
>
>
>
> On Thu, Sep 7, 2017 at 4:57 PM, Antonio Orlando
>  wrote:
>> Hi Cory:
>>
>> Thanks for your message and for the drivers.
>>
>> I am sorry but it is still not working!
>>
>> The error message I get is the following.
>>
>> ---
>>
>> ERROR: In
>> C:\bbd\7cc78367\build\superbuild\paraview\src\VTK\Rendering\OpenGL2\vtkOpenGLRenderWindow.cxx,
>> line 819
>> vtkGenericOpenGLRenderWindow (00214C5F3460): GLEW could not be
>> initialized.
>>
>> ERROR: In
>> C:\bbd\7cc78367\build\superbuild\paraview\src\VTK\Rendering\OpenGL2\vtkOpenGLRenderWindow.cxx,
>> line 819
>> vtkGenericOpenGLRenderWindow (00214C5F3460): GLEW could not be
>> initialized.
>>
>> ERROR: In
>> C:\bbd\7cc78367\build\superbuild\paraview\src\VTK\Rendering\OpenGL2\vtkShaderProgram.cxx,
>> line 453
>> vtkShaderProgram (00214CB8B7A0): Shader object was not
>> initialized, cannot attach it.
>>
>> ERROR: In
>> C:\bbd\7cc78367\build\superbuild\paraview\src\VTK\Rendering\OpenGL2\vtkShaderProgram.cxx,
>> line 408
>> vtkShaderProgram (00214CB8B7A0): 1: #version 120
>> 2: #ifdef GL_ES
>> 3: #if __VERSION__ == 300
>> 4: #define attribute in
>> 5: #define varying out
>> 6: #endif // 300
>> 7: #else // GL_ES
>> 8: #define highp
>> 9: #define mediump
>> 10: #define lowp
>> 11: #if __VERSION__ == 150
>> 12: #define attribute in
>> 13: #define varying out
>> 14: #endif
>> 15: #endif // GL_ES
>> 16:
>> 17:
>> 18:
>> /*=
>> 19:
>> 20:   Program:   Visualization Toolkit
>> 21:   Module:vtkPolyDataVS.glsl
>> 22:
>> 23:   Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
>> 24:   All rights reserved.
>> 25:   See Copyright.txt or http://www.kitware.com/Copyright.htm for
>> details.
>> 26:
>> 27:  This software is distributed WITHOUT ANY WARRANTY; without even
>> 28:  the implied warranty of MERCHANTABILITY or FITNESS FOR A
>> PARTICULAR
>> 29:  PURPOSE.  See the above copyright notice for more information.
>> 30:
>> 31:
>> =*/
>> 32:
>> 33: attribute vec4 vertexMC;
>> 34:
>> 35: // frag position in VC
>> 36: //VTK::PositionVC::Dec
>> 37:
>> 38: // optional normal declaration
>> 39: //VTK::Normal::Dec
>> 40:
>> 41: // extra lighting parameters
>> 42: //VTK::Light::Dec
>> 43:
>> 44: // Texture coordinates
>> 45: //VTK::TCoord::Dec
>> 46:
>> 47: // material property values
>> 48: //VTK::Color::Dec
>> 49:
>> 50: // clipping plane vars
>> 51: //VTK::Clip::Dec
>> 52:
>> 53: // camera and actor matrix values
>> 54: uniform mat4 MCDCMatrix;
>> 55:
>> 56: // Apple Bug
>> 57: //VTK::PrimID::Dec
>> 58:
>> 59: // Value raster
>> 60: //VTK::ValuePass::Dec
>> 61:
>> 62: void main()
>> 63: {
>> 64:   //VTK::Color::Impl
>> 65:
>> 66:   //VTK::Normal::Impl
>> 67:
>> 68:   //VTK::TCoord::Impl
>> 69:
>> 70:   //VTK::Clip::Impl
>> 71:
>> 72:   //VTK::PrimID::Impl
>> 73:
>> 74: gl_Position = MCDCMatrix * vertexMC;
>> 75:
>> 76:
>> 77:   //VTK::ValuePass::Impl
>> 78:
>> 79:   //VTK::Light::Impl
>> 80: }
>> 81:
>>
>> --
>>
>> Does this have something to do with my graphics card?
>>
>> Many thanks for your attention.
>>
>> Kind regards
>>
>> Antonio
>>
>>
>>
>>
>>
>> 2017-09-07 17:06 GMT-03:00, Cory Quammen :
>>> Hi Antonio,
>>>
>>> I have reported an issue for this so we can track the issue:
>>> https://gitlab.kitware.com/paraview/paraview/issues/17695
>>>
>>> - Cory
>>>
>>> On Mon, Sep 4, 2017 at 8:22 AM, Antonio Orlando
>>>  wrote:
 Dear All:

 I have tried to install the new version of
 ParaView-5.4.1-Qt5-OpenGL2-Windows-64bit.exe on Windows 8.1, with a
 64bit OS, and when I launch it I get at the end of a long error
 message log the following

 ERROR: In
 C:\bbd\7cc78367\build\superbuild\paraview\src\VTK\Rendering\OpenGL2\vtkShaderProgram.cxx,
 line 409
 vtkShaderProgram (00A5CDCC3D00):

 Generic Warning: In
 C:\bbd\7cc78367\build\superbuild\paraview\src\VTK\Rendering\OpenGL2\vtkOpenGLRenderTimer.cxx,
 line 104
 vtkOpenGLRenderTimer::Stop called before vtkOpenGLRenderTimer::Start.
 Ignoring.

 versionFunctions: Not supported on OpenGL ES


 Would someone g

[Paraview] Read files in different folders at the same time

[Ke Gao]

Hi all,

When I do the simulation, I restart the computation and as a result there
are files generated in different folders but with sequential vtu file
names. For example, in the first folder we have vtu files numbered from 0
to 100, and in the second folder we have vtu files from 101 to 200. I
wonder if there is a convenient way to animate all these 200 files in one
setup, without copy them into the same folder?

Thanks.

-- 
..
Ke Gao
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