[Paraview] X3DExporter false mesh colouring?

Tue May 31 08:04:26 EDT 2016

Nice!

On Tue, May 31, 2016 at 7:59 AM, Grothausmann, Roman Dr.
<grothausmann.roman at mh-hannover.de> wrote:
> Just a quick note that Your fix went into VTK after the newest VTK was
> synched into PV, so I had to do a pull in the VTK subdirectory of PV to get
> it.
> Works like a charm now and together with X3dToX3dom.xslt yields a zoom-able
> HTML:
> http://romangrothausmann.github.io/FacetAnalyser/demos/X3D/8faced-rhombic-dodecahedron_twinned_simp%2Bdef.xhtml
>
>
> On 24/05/16 14:52, Grothausmann, Roman Dr. wrote:
>>
>> Many, many thanks Utkarsh for that quick fix!
>> Yes, You are right, my VTK test was using point data, so the problem
>> didn't appear.
>> Thanks again for the great support.
>>
>> On 23/05/16 19:08, Utkarsh Ayachit wrote:
>>>
>>> Here's a fix for the same:
>>>
>>> https://gitlab.kitware.com/vtk/vtk/merge_requests/1517
>>>
>>> Utkarsh
>>>
>>> On Mon, May 23, 2016 at 11:42 AM, Utkarsh Ayachit
>>> <utkarsh.ayachit at kitware.com> wrote:
>>>>
>>>> Ah okay. Looks like there's another bug with cell-data coloring and
>>>> x3d. I've spotted the bug (I think) and am working on a fix. Not sure
>>>> how this could have worked in VTK example, however. I'll send you a
>>>> patch shortly.
>>>>
>>>> On Mon, May 23, 2016 at 11:15 AM, Grothausmann, Roman Dr.
>>>> <grothausmann.roman at mh-hannover.de> wrote:
>>>>>
>>>>> Many thanks Utkarsh for Your quick reply.
>>>>> Attached is an example VTP (generated by
>>>>>
>>>>> https://github.com/romangrothausmann/FacetAnalyser/blob/master/demos/8faced-rhombic-dodecahedron_twinned_simp%2Bdef.pvsm)
>>>>>
>>>>> coloured with KAAMS cat. on FacetIds (cell data) and then exported as
>>>>> X3D
>>>>> from PV5. The PNG is a comparison view of PV and view3dscene.
>>>>> The WebGL output (from make test) is great:
>>>>>
>>>>> http://htmlpreview.github.io/?https://github.com/romangrothausmann/FacetAnalyser/blob/master/demos/8faced-rhombic-dodecahedron_twinned_simp%2Bdef.html
>>>>>
>>>>>
>>>>>
>>>>> On 23/05/16 16:10, Utkarsh Ayachit wrote:
>>>>>>
>>>>>>
>>>>>> And same with categorical colors. I did notice, however, it fails when
>>>>>> coloring with "Field Data" arrays. Is that what you're seeing? That
>>>>>> I'd expected would fail in VTK too. That's indeed a missing feature in
>>>>>> the exporter.
>>>>>>
>>>>>> On Mon, May 23, 2016 at 10:06 AM, Utkarsh Ayachit
>>>>>> <utkarsh.ayachit at kitware.com> wrote:
>>>>>>>
>>>>>>>
>>>>>>> Roman,
>>>>>>>
>>>>>>> Can you post an example? When I tried the same with a simple sphere
>>>>>>> color by "Normals X", it seems to work as expected. I used
>>>>>>> "view3dscene" to view the X3d file.
>>>>>>>
>>>>>>> On Mon, May 23, 2016 at 7:26 AM, Grothausmann, Roman Dr.
>>>>>>> <grothausmann.roman at mh-hannover.de> wrote:
>>>>>>>>
>>>>>>>>
>>>>>>>> Dear mailing list members,
>>>>>>>>
>>>>>>>>
>>>>>>>> When I export scenes to X3D then load the mesh into blender or a
>>>>>>>> browser
>>>>>>>> the
>>>>>>>> mesh is colour wrong. The colours are there but apparently assigned
>>>>>>>> to
>>>>>>>> random cells/vertices. This happens with either PV5 or PV4,
>>>>>>>> especially
>>>>>>>> for
>>>>>>>> category colouring. When using e.g. WebGL exporter all is fine.
>>>>>>>> Is there anything to do special for exporting to X3D? When I use
>>>>>>>> plain
>>>>>>>> VTK,
>>>>>>>> the exported colours seemed OK so far.
>>>>>>>>
>>>>>>>> Any help or hints are very much appreciated
>>>>>>>> Roman
>>>>>>>>
>>>>>>>>
>>>>>>>> On 04/12/14 15:34, Michael Nolde wrote:
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> works perfectly, thank you!
>>>>>>>>>
>>>>>>>>> On 03.12.2014 19:49, Sebastien Jourdain wrote:
>>>>>>>>> View is not valid at the point you get it.
>>>>>>>>>
>>>>>>>>> from paraview.simple import *
>>>>>>>>> exporters=servermanager.createModule("exporters")
>>>>>>>>> source=Cone()
>>>>>>>>> Show()
>>>>>>>>> render=Render()
>>>>>>>>> x3dExporter=exporters.X3DExporter(FileName="foo.x3d")
>>>>>>>>> x3dExporter.SetView(render)
>>>>>>>>> x3dExporter.Write()
>>>>>>>>>
>>>>>>>>> On Wed, Dec 3, 2014 at 10:01 AM, Michael Nolde <__mnolde at gmx.net__>
>>>>>>>>> wrote:
>>>>>>>>> Dear mailing list members,
>>>>>>>>>
>>>>>>>>> I have some trouble exporting a scene to a X3D file via pvpython.
>>>>>>>>> I tried to execute to code found in
>>>>>>>>>
>>>>>>>>> __http://public.kitware.com/pipermail/paraview/2012-May/024924.html__
>>>>>>>>> (see below). It is executed without any errors, but no output file
>>>>>>>>> is
>>>>>>>>> created.
>>>>>>>>> My Paraview version is 4.0.1 64-bit (on a Ubuntu 14.04 machine).
>>>>>>>>> What I want to achieve is to convert .ply files to .x3d via
>>>>>>>>> pvpython.
>>>>>>>>> Could someone give me a hint?
>>>>>>>>>
>>>>>>>>> Thanks in advance,
>>>>>>>>> Michael
>>>>>>>>>
>>>>>>>>> from paraview.simple import *
>>>>>>>>> exporters=servermanager.createModule("exporters")
>>>>>>>>> source=Cone()
>>>>>>>>> view = GetActiveView()
>>>>>>>>> Show(view)
>>>>>>>>> render=Render()
>>>>>>>>> x3dExporter=exporters.X3DExporter(FileName="foo.x3d")
>>>>>>>>> x3dExporter.SetView(view)
>>>>>>>>> x3dExporter.Write()
>>>>>>>>>
>>>>>>>>>
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>>>>>>>>> Please keep messages on-topic and check the ParaView Wiki at:
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>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>> --
>>>>>>>> Dr. Roman Grothausmann
>>>>>>>>
>>>>>>>> Tomographie und Digitale Bildverarbeitung
>>>>>>>> Tomography and Digital Image Analysis
>>>>>>>>
>>>>>>>> Institut für Funktionelle und Angewandte Anatomie, OE 4120
>>>>>>>> Medizinische Hochschule Hannover
>>>>>>>> Carl-Neuberg-Str. 1
>>>>>>>> D-30625 Hannover
>>>>>>>>
>>>>>>>> Tel. +49 511 532-2900
>>>>>>>> _______________________________________________
>>>>>>>> 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
>>>>>>>>
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>>>>>>>>
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>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Dr. Roman Grothausmann
>>>>>
>>>>> Tomographie und Digitale Bildverarbeitung
>>>>> Tomography and Digital Image Analysis
>>>>>
>>>>> Institut für Funktionelle und Angewandte Anatomie, OE 4120
>>>>> Medizinische Hochschule Hannover
>>>>> Carl-Neuberg-Str. 1
>>>>> D-30625 Hannover
>>>>>
>>>>> Tel. +49 511 532-2900
>>
>>
>
> --
> Dr. Roman Grothausmann
>
> Tomographie und Digitale Bildverarbeitung
> Tomography and Digital Image Analysis
>
> Institut für Funktionelle und Angewandte Anatomie, OE 4120
> Medizinische Hochschule Hannover
> Carl-Neuberg-Str. 1
> D-30625 Hannover
>
> Tel. +49 511 532-2900