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Re: state of VTK-8 (upgrading paraview)?



On 2019-03-21 16:18, Christophe Trophime wrote:
Hi Drew,

I can share with you my experience regarding Paraview.
I'm actually Paraview 5.6.0 with feel++.
Compiling feel++ requires to build on top of ParaView.

Part of the trouble is that the paraview package is broken
in debian and cannot be used to build some apps on top of it.
There are some missing files (mostly cmake stuff) that break compilation. But the most annoying issue is that Paraview ships a specific version of vtk > 6
and thus the requirement for python-vtk6 is wrong!!

Certainly that will need to be updated to python-vtk8 or whichever version paraview is built against.



To work around this, paraview can be built without much problem
provided we get rid of python-vtk6. Next it's rather easy to build apps
on top of paraview. Moreover the vtk ships by paraview may be used by any
app using vtk (if they are compatible with the paraview vtk version).

In my opinion we could use paraview to provide vtk packages!
This may require some re-organisation of the packages (splitting into
more packages)

Outside my depth to judge that but reorganisation may well be a good thing.


An alternative to this, could be to build paraview on top of an existing vtk
But this is not fully supported by upstream, I beleive.

It's not the case: CMakeFile.txt does have the option "-DUSE_EXTERNAL_VTK:BOOL=ON"

I understand Kyle has been working on rearrangements upstream to help streamline these things.


I can share with you my paraview package to see if it may fits into
the official debian archive.


That would be useful, in any case so I can work with my data.




...
----- Original Message -----
From: "Drew Parsons" <dparsons@debian.org>
To: "debian-science" <debian-science@lists.debian.org>
Cc: "Gert Wollny" <gewo@debian.org>, "Johannes Schauer" <josch@debian.org>, "Ghislain Vaillant" <ghisvail@gmail.com>, "Christophe Trophime" <christophe.trophime@lncmi.cnrs.fr>, "Anton Gladky" <gladk@debian.org>
Sent: Thursday, March 21, 2019 7:51:24 AM
Subject: state of VTK-8 (upgrading paraview)?

Hi Gert and other VTK keepers,

what's the state of VTK-8 for Debian?

The reason I ask is that I need a newer version of paraview to view
complex XDMF mesh data.  I tried building the new paraview versions
(5.5, 5.6), but the amount of VTK patching required (to build against
vtk6 or vtk7) is impossibly large, with new definitions of VTK via cmake
modules etc. (VTK source is no longer provided in the paraview source
tarball). Given the timelines I presume these paraview versions were
released against VTK-8 and so will build more easily against VTK-8.

help needed!

Drew


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