[x3d-public] Blender 2.8 X3D support is making progress

Thu Mar 19 12:42:29 PDT 2020

3. I just submitted another patch to Blender to fix "solid" field
export in X3D :) https://developer.blender.org/D7186

Regards,
Michalis

czw., 19 mar 2020 o 19:22 Michalis Kamburelis
<michalis.kambi at gmail.com> napisał(a):
>
> On related note:
>
> 1. I just submitted a patch to Blender X3D exporter to fix exporting
> objects with modifiers: https://developer.blender.org/T74934 ,
> https://developer.blender.org/D7183 .
>
> 2. I upgraded my castle-anim-frames exporter to work with latest
> Blender 2.8 . https://castle-engine.io/creating_data_blender.php#section_castle_anim_frames
> . The exporter is a quick solution to export animations --
> castle-anim-frames internally is just a series of static files (in X3D
> or other format).
>
> Regards,
> Michalis
>
> czw., 19 mar 2020 o 18:34 Don Brutzman <brutzman at nps.edu> napisał(a):
> >
> > Happy to forward (with permission) this recent email discussion regarding Blender 2.82a improvements supporting X3D.
> >
> > One followup reported Monday, the new Blender and also a new dev release for Meshlab have been tested satisfactorily using X3DJSAIL command-line invocation for producing X3D viewpoint capture images and simple STL import/export.
> >
> > * [x3d-public] consider renaming local variables in X3DJSAIL to support JSweet transpiler;
> >    X3DJSAIL release tests many new libraries
> >    http://web3d.org/pipermail/x3d-public_web3d.org/2020-March/011892.html
> >
> > There is a lot of work still to do with Blender, but turning this corner means that much more is now possible with X3D.
> >
> > It will be great to use x3d-public list for discussing conversion issues and Blender Maniphest efforts to ensure that the best possible support for X3D versions 3 and 4.
> >
> > Having fun with X3D Blender!  Meshlab too!   8)
> >
> >
> > -------- Forwarded Message --------
> > Subject: Re: Blender 2.8 X3D support??
> > Date: Sun, 15 Mar 2020 08:07:35 -0700
> > From: Don Brutzman <brutzman at nps.edu>
> > Organization: Naval Postgraduate School (NPS)
> > To: Michalis Kamburelis <michalis.kambi at gmail.com>, Nicholas Polys <npolys at vt.edu>
> > CC: sebastian ullrich <sebastian.ullrich at sensegraphics.com>, Christophe MOUTON <christophe.mouton at edf.fr>
> >
> > Yes great to hear progress is again occurring!  8)
> >
> > 1. Nicholas and Michalis: *respectfully request permission* to push this thread to x3d-public in order to best encourage archival followups, increased usage and steady improvement.
> >
> > Similarly recommend we post to x3d-public for all subsequent Blender export/import discussions.
> >
> > ----
> >
> > 2. See past references at Web3d.org > PARTICIPATE > Projects Wish List, Item #5b
> >
> >         https://www.web3d.org/projects/wish-list
> >
> > Blender import/export (open-source C++)
> > - announcement, https://www.web3d.org/news-story/improved-blender-import-x3d-scenes
> > - email thread, http://web3d.org/pipermail/x3d-public_web3d.org/2015-June/003412.html
> > - Blender task, https://developer.blender.org/T44758
> >     (last post by Seva was 2015, now closed)
> >
> > There are multiple recent Maniphest Tasks, which is a great sign.
> > ========================================
> > Blender advanced search for "x3d" in Maniphest task:
> > https://developer.blender.org/search/query/6BI4QE1m3Lm5/#R
> >
> > T71801: blender is geting error exporting x3d
> >
> > T66534: X3D export in 2.80 does not save texture
> >
> > T49799: X3D .wrl file import failure
> >
> > T71424: X3D VRML2 importer throws ZeroDivisionError when trying to import a certain KiCad file
> >
> > T68452: X3D export broken for meshes with modifiers
> >
> > T69115: Material missing on X3D export
> >
> > T51865: Add generic precision option for text-based formats exporters (e.g. X3D, OBJ...)
> > ========================================
> >
> >
> > 2. Attached is default Blender box which occurs when you create a new General model.
> >
> > X3D validator log is clean, only authoring warnings:
> >
> > --------- X3D Validator checks commenced for BlenderDefaultBox.x3d ---------
> >
> > Performing well-formed XML check...
> > Checking file:/C:/installs/BlenderDefaultBox.x3d...
> > Well-formed XML check: pass
> >
> > Performing DOCTYPE check...
> > [X3dDoctypeChecker] success: valid XML declaration found.[X3dDoctypeChecker] success: final X3D 3.0 DOCTYPE found.
> >
> > Performing DTD validation...
> > Checking file:/C:/installs/BlenderDefaultBox.x3d...
> > XML DTD validation: pass
> >
> > Performing X3D schema validation...
> > Checking file:/C:/installs/BlenderDefaultBox.x3d...
> > XML schema validation: pass
> >
> > Performing X3D regular expression (regex) values check...
> >
> > Performing X3dToClassicVrml.xslt conversion check...
> >
> > Performing X3D Schematron check...
> > <X3D profile='Immersive'> is defined, but nodes in scene have actual profile='Interactive' [/X3D, info]
> > Missing X3D filename in meta tag, should appear as <meta name='title' content='FileName.x3d'/> [/X3D/head, warning]
> > Correct url for X3D file should appear in <meta name='identifier' content='http://someAddress/somePath/FileName.x3d'/> [/X3D/head, warning]
> > Missing name of X3D scene author in meta tag, add <meta name='creator' content='Author Name'/> [/X3D/head, info]
> > Missing X3D scene description in meta tag, should appear as <meta name='description' content='topic sentence plus good summary'/> [/X3D/head, info]
> > <Viewpoint DEF='CA_Camera'/> is missing description which is important for accessibility and usability.  Example: description='default view, rotate to examine object' [/X3D/Scene/Transform[3]/Viewpoint, warning]
> >
> > --------- X3D Validator checks complete for BlenderDefaultBox.x3d ---------
> > --------- X3D Validator online at https://savage.nps.edu/X3dValidator ---------
> > ====================================================
> >
> > Onward...
> >
> > On 3/12/2020 10:39 AM, Michalis Kamburelis wrote:
> > > As for animations - I don't think so. I think this is the latest
> > > version of the exporter in their GIT:
> > > https://developer.blender.org/diffusion/BA/browse/master/io_scene_x3d/
> > > . Exporter doesn't generate any interpolators or time sensors ever.
> > >
> > > BTW, I found two related bug reports:
> > >
> > > - This one https://developer.blender.org/T71801 describes the problems
> > > I observed in earlier Blender versions too. I have no idea why they
> > > seem fixed now --
> > > https://developer.blender.org/diffusion/BA/browse/master/io_scene_x3d/
> > > doesn't show any recent modifications. Well, but they are fixed :)
> > > Looks like some modification elsewhere also fixed this. Or I'm just
> > > lucky today :)
> > >
> > > - https://developer.blender.org/T66534 here somebody already reported
> > > that exporting textures to X3D seems to be missing in Blender 2.8.
> > >
> > > Regards,
> > > Michalis
> > >
> > > czw., 12 mar 2020 o 16:24 Nicholas Polys <npolys at vt.edu> napisał(a):
> > >>
> > >> Great news~!
> > >>
> > >> I will grab the latest one continue testing ...
> > >> any indications about interpolators / keyframe animation ?
> > >>
> > >> br,
> > >> _n
> > >>
> > >>
> > >> On Thu, Mar 12, 2020 at 10:49 AM Michalis Kamburelis <michalis.kambi at gmail.com> wrote:
> > >>>
> > >>> I tested the Blender -> X3D exporter sometime in February, and it had
> > >>> problems (errors occurred even when exporting the simplest scene with
> > >>> a cube).
> > >>>
> > >>> That said... I'm happy to report that I just tested the latest version
> > >>> of Blender (2.82a) and the export seems to work OK!
> > >>>
> > >>> At least camera, lights, geometry and colors (at least Material with
> > >>> diffuseColor) are exported OK.
> > >>>
> > >>> I don't know how to configure textures yet (the way textures are
> > >>> assigned to materials changed in Blender 2.8, and it looks like X3D
> > >>> exporter looks at "Viewport Display" settings that don't allow to set
> > >>> texture). But maybe it's available, I just don't know how yet.
> > >>> (Documentation of the script in Blender 2.8 is unfortunately a TODO,
> > >>> https://docs.blender.org/manual/en/latest/addons/import_export/scene_x3d.html
> > >>> ).
> > >>>
> > >>> That's very good news for me, and I missed this exporter badly :)
> > >>>
> > >>> This also means we will be able to enhance the exporter to include X3D
> > >>> v4 material features. The way materials are specified in Blender 2.8
> > >>> is a nice match with the new material features in X3D v4 (textures
> > >>> that are slots of each parameter, physical properties of materials
> > >>> etc.)
> > >>>
> > >>> Regards,
> > >>> Michalis
> > >>>
> > >>> czw., 12 mar 2020 o 15:08 Nicholas Polys <npolys at vt.edu> napisał(a):
> > >>>>
> > >>>> Hi all~!
> > >>>>
> > >>>> What is the latest status here?
> > >>>> We had noted the bugs with their community
> > >>>>   but I have not seen any news or update...
> > >>>>
> > >>>> br,
> > >>>> -n
> >
> >
> > all the best, Don
> > --
> > Don Brutzman  Naval Postgraduate School, Code USW/Br       brutzman at nps.edu
> > Watkins 270,  MOVES Institute, Monterey CA 93943-5000 USA   +1.831.656.2149
> > X3D graphics, virtual worlds, navy robotics http://faculty.nps.edu/brutzman
> >
> >
> > all the best, Don
> > --
> > Don Brutzman  Naval Postgraduate School, Code USW/Br       brutzman at nps.edu
> > Watkins 270,  MOVES Institute, Monterey CA 93943-5000 USA   +1.831.656.2149
> > X3D graphics, virtual worlds, navy robotics http://faculty.nps.edu/brutzman