Re: [Paraview] Parallel ParaView linux package usage

[Utkarsh Ayachit]

> But by passing this argument I wont be using my GPU resources, right?

Nope, you'll indeed be still using your GPU. It only won't see on-screen X
windows for the server processes.

Utkarsh
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Re: [Paraview] OSPRay textures and materials mapping

[David E DeMarle]

Hi Jonathan.

Yes you can do that.

1) File->Load OSPRay Materials, switch the file type from "OSPRay Material
Files (*.json)"  to "Wavefront Material FIles (*.mtl)". That will let you
load all of the materials and textures. They should all show up in the
Material list.

2) The OSPRay Material selection (on Display section of Properties Tab
advanced) will have all of the individual materials listed in it + a few
others including "Value Indexed" which is all the way at the bottom. Choose
that it means "use the categorical color lookup table to decide what
material to use for each block and or polygon"

3) Now change the scalar array to color by to "Material Id", a cell aligned
array which has the material index to use for each cell.

4) Make up a categorical lookup table.
   open spreadsheet view, switch to Field Data, look at the Material Names.
   open the color map editor for the "Material Id", click on Interpret
Values As Categories and the color will change from bluewhitered to
extremely YELLOW.
   add annotations, value 0 should be the name of the first entry in the
Material Names array.

Notes:
* I have the trivial script somewhere that I used for the SC17 demo that
makes up the lookup table for you. I'll try and dig that up.
* in general it isn't a 1:1 match between mtl and ospray, in particular
multitextures are not yet implemented
* along those lines, the mtl parser I whipped up
$PVSRC/VTK/Rendering/OSPRay/vtkMaterialLibrary::InternalParseMTL recognizes
a "type" extension outside of mtl that lets you bring in ospray's nice
materials instead of the default OBJMaterial. Glass and Metal are
particularly nice.

At some point I'll get around to making this all automatic. Patches are
welcome in the meantime.

good luck










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

On Fri, May 18, 2018 at 10:25 AM, Jonathan Borduas <
jonathan.bord...@caboma.com> wrote:

> Hi,
>
> I tried rendering an .obj file running OSPRay that was exported from PCon
> Planner Version 7.7 Patch 1. The original file is a .dwg
>
>
>
> I used the PathThracer mode. However, attached to the .obj there is an
> .mtl file containing 50+ materials and 50+ texture (.png) files.
>
> I didn’t find an automated way to map all polydata of the .obj with their
> respective material and texture file and rendering them using OSPRay.
>
> It seems that I have to assign the material and texture to each polydata
> one-by-one.
>
>
>
> Is there a feature that will automatically map the respective textures and
> materials ?
>
> Here is the link to download the original .dwg file.
> https://www.easterngraphics.com/pcon/en/wp-content/uploads/2015/03/sample_
> apartment.dwg
>
> You will need to export it to .obj using PCon Planner Version 7.7 Patch 1
> with the File/Export/Geometry menu.
> I couldn’t share the .obj  file since the size is 60mb+
>
>
>
> Thank you
>
>
>
> Jonathan Borduas
>
>
>
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[Paraview] OSPRay textures and materials mapping

[Jonathan Borduas]

Hi,

I tried rendering an .obj file running OSPRay that was exported from PCon 
Planner Version 7.7 Patch 1. The original file is a .dwg

I used the PathThracer mode. However, attached to the .obj there is an .mtl 
file containing 50+ materials and 50+ texture (.png) files.

I didn't find an automated way to map all polydata of the .obj with their 
respective material and texture file and rendering them using OSPRay.

It seems that I have to assign the material and texture to each polydata 
one-by-one.

Is there a feature that will automatically map the respective textures and 
materials ?
Here is the link to download the original .dwg file. 
https://www.easterngraphics.com/pcon/en/wp-content/uploads/2015/03/sample_apartment.dwg
You will need to export it to .obj using PCon Planner Version 7.7 Patch 1 with 
the File/Export/Geometry menu.
I couldn't share the .obj  file since the size is 60mb+

Thank you

Jonathan Borduas

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[Paraview] OSPRay textures and materials mapping

[Jonathan Borduas]

Hi,

I tried rendering an .obj file running OSPRay that was exported from PCon 
Planner Version 7.7 Patch 1. The original file is a .dwg

I used the PathThracer mode. However, attached to the .obj there is an .mtl 
file containing 50+ materials and 50+ texture (.png) files.

I didn't find an automated way to map all polydata of the .obj with their 
respective material and texture file and rendering them using OSPRay.

It seems that I have to assign the material and texture to each polydata 
one-by-one.

Is there a feature that will automatically map the respective textures and 
materials ?

Here is the link to download the original .dwg file. 
https://www.easterngraphics.com/pcon/en/wp-content/uploads/2015/03/sample_apartment.dwg
You will need to export it to .obj using PCon Planner Version 7.7 Patch 1 with 
the File/Export/Geometry menu.
I couldn't share the .obj  file since the size is 60mb+

Thank you

Jonathan Borduas


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[Paraview] 2 different behaviours with using GridType="Collection"

[paul . carrico]

Hi
Dear All 

To build an assembly with its subparts, I use "Collection", but when the
file is imported into Paraview 5.5.0, I've met 2 behaviours:
- using the xmf reader, the hierachy can be seen on the lower left
corner
- whereas using the xmf3 one, nothing appears
(see the screenshots in attachment) 

Am I doing someting wrong in my code? 

Thanks for any suggestion 

Paul 

My code here bellow (each element type is independant) ... just a trial
:-)








-1. 0. 0.
-1. 1. 0.
-2. 1. 0.
-2. 0. 0.




5 0 1 2 3






0. 0. 0.
1. 0. 0.
1. 1. 0.
0. 1. 0.
0. 0. 1.
1. 0. 1.
1. 1. 1.
0. 1. 1.




9 0 1 2 3 4 5 6 7





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Re: [Paraview] Parallel ParaView linux package usage

[Léo Pessanha]

It runs with more than 2 processes using --use-offscreen-rendering.

But by passing this argument I wont be using my GPU resources, right?

Leonardo Pessanha
Laboratory of Computational Methods in Engineering
Federal University of Rio de Janeiro - COPPE
Rio de Janeiro, RJ, Brasil


2018-05-18 13:35 GMT+00:00 Utkarsh Ayachit :

> Hmm, try passing the `--use-offscreen-rendering` to the pvserver (for 5.5
> the option has changed).
> On Fri, May 18, 2018 at 9:30 AM Léo Pessanha  >
> wrote:
>
> > Hi!
>
> > By doing that I can only use 2 processes. Using 3 or more my workstation
> freezes trying to open the OpenGL contexts.
>
> > But I don't know if this happens only for me.
>
> > Em sex, 18 de mai de 2018 10:26, Utkarsh Ayachit <
> utkarsh.ayac...@kitware.com> escreveu:
>
> >> Leo,
>
> >> With 5.2, use the mpiexec under the `lib/paraview-5.2` instead of the
> one
> >> under `bin`.
>
> >> Utkarsh
>
> >> On Thu, May 17, 2018 at 5:07 PM Léo Pessanha <
> leonardopessanh...@gmail.com>
> >> wrote:
>
> >> > Hi!
>
> >> > Just finished downloading ParaView version 5.2 in Linux Ubuntu 16.04
> LTS.
>
> >> > Tried to run in parallel by doing:
>
> >> > cd paraviewFolder/bin
> >> > ./mpiexec -n 2 ./pvserver
>
>
> >> > No sucess.
>
> >> >> ./mpiexec: error while loading shared libraries: libmpl.so.1: cannot
> >> open shared object file: No such file or directory
>
>
> >> > After doing some research I added the paraview/lib folder to my
> >> LD_LIBRARY_PATH
>
> >> > export
>
> LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/opt/pv52/lib/paraview-5.2:/opt/pv52/lib/
> >> > cd paraviewFolder/bin
> >> > ./mpiexec -n 2 ./pvserver
>
>
> >> > No sucess.
>
> >> >> [mpiexec@leognome] HYDU_create_process (./utils/launch/launch.c:69):
> >> execvp error on file /home/leo/paraview/pv52/bin/./hydra_pmi_proxy (No
> such
> >> file or directory)
> >> >> [mpiexec@leognome] HYD_pmcd_pmiserv_proxy_init_cb
> >> (./pm/pmiserv/pmiserv_cb.c:520): assert (!closed) failed
> >> >> [mpiexec@leognome] HYDT_dmxu_poll_wait_for_event
> >> (./tools/demux/demux_poll.c:77): callback returned error status
> >> >> [mpiexec@leognome] HYD_pmci_wait_for_completion
> >> (./pm/pmiserv/pmiserv_pmci.c:181): error waiting for event
> >> >> [mpiexec@leognome] main (./ui/mpich/mpiexec.c:405): process manager
> >> error waiting for completion
>
>
> >> > Finally I entered the folder paraviewFolder/lib/paraview-5.2  to dig
> the
> >> problem and found there are another set of
> >> executables(paraview/pvserver/pvpython/etc) there.
>
>
> >> > cd paraviewFolder/lib/paraview-5.2
> >> > ./mpiexec -n 2 ./pvserver
>
> >> > Sucessful run.
>
> >> > ##
>
> >> > Then I went to ParaView download page and downloaded the latest
> version
> >> 5.5
> >> > In the 5.5 package I did:
>
> >> > cd paraviewFolder/bin
> >> > ./mpiexec -n 2 ./pvserver
>
>
> >> > Sucessful run.
>
> >> > My question is, what happened? Was it supposed to happen? There was
> >> structural directories changes?
>
> >> > Leonardo Pessanha
> >> > Laboratory of Computational Methods in Engineering
> >> > Federal University of Rio de Janeiro - COPPE
> >> > Rio de Janeiro, RJ, Brasil
>
> >> > ___
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>
> >> > Visit other Kitware open-source projects at
> >> 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
>
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Re: [Paraview] OpenVR - Builts & further developments

[Ken Martin]

I am still doing development on the plugin so there should be some updates
now and then. But the more the merrier :-) If you find fixes, improvements,
etc then let's get them merged in.

Thanks!
Ken

On Fri, May 18, 2018 at 6:39 AM, Benson Muite  wrote:

>
>
> On 05/18/2018 01:31 PM, Stefan Probst-Schendzielorz wrote:
>
>> Hi,
>>
>> I am interested into the usage of virtual reality with Paraview! The
>> plugin so far is very interesting, however it sometimes crashes and the
>> general documentation could be better! Is the development still on-going
>> and will be there newer builds available?
>>
>> Thanks for the replies
>>
>> Best regards Stefan
>>
>>
>>
> Hi Stefan,
>
> Have been looking at this a little. Mostly for linux, where support is
> much less. Are you expecting to help with development?
>
> Benso
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Distinguished Engineer
Kitware Inc.
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Carrboro, North Carolina
27510 USA

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Re: [Paraview] OpenVR - Builts & further developments

[Benson Muite]

On 05/18/2018 01:31 PM, Stefan Probst-Schendzielorz wrote:

Hi,

I am interested into the usage of virtual reality with Paraview! The 
plugin so far is very interesting, however it sometimes crashes and the 
general documentation could be better! Is the development still on-going 
and will be there newer builds available?


Thanks for the replies

Best regards Stefan




Hi Stefan,

Have been looking at this a little. Mostly for linux, where support is 
much less. Are you expecting to help with development?


Benso
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[Paraview] OpenVR - Builts & further developments

[Stefan Probst-Schendzielorz]

Hi, 

I am interested into the usage of virtual reality with Paraview! The plugin so far is very interesting, however it sometimes crashes and the general documentation could be better! Is the development still on-going and will be there newer builds available?

Thanks for the replies 

Best regards Stefan 

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