kicad-developers team mailing list archive

[Nick Østergaard <oe.nick@xxxxxxxxx>]

Den 17/09/2016 15.20 skrev "José Ignacio" <jose.cyborg@xxxxxxxxx>:
>
> It works great, both in inline and monolithic mode! one thing I
> noticed though is that the model output is not centered on the origin
> (the old exporter probably did this too), it would be nice if it was,
> as with the board i tested it was really far from the origin and it
> was annoying to center for rendering on blender.
>

Isn't that just because it uses the real origin in the pcb. IIRC there are
easy ways to center blocks in blender.

> On Sat, Sep 17, 2016 at 4:53 AM, Cirilo Bernardo
> <cirilo.bernardo@xxxxxxxxx> wrote:
> > On Sat, Sep 17, 2016 at 4:35 PM, José Ignacio <jose.cyborg@xxxxxxxxx>
wrote:
> >>
> >> That sound perfect! Does you "Copy 3D model" really copy the
> >> originals, or rebuild them from the scenegraph? (I very much prefer
> >> the latter so it's compatible with all the formats), in that case it
> >> might be best to rename that option as "Use external model files" or
> >> invert it and call it "Generate single/monolithic file".
> >>
> >
> > Copy 3D model will actually copy any *.wrl file; I did this because
some of
> > the
> > polygon triangulation performed by the VRML plugin may lose some
information
> > from the original file and cause some (minor) artifacts.  In the case
of X3D
> > and
> > all other supported formats (IDF, IGES, STEP) the scenegraph is used to
> > create a VRML representation.
> >
> > If anyone wants to try out the branch it is here:
> >
> >
https://code.launchpad.net/~cirilo-bernardo/kicad/+git/kicad-oce/+ref/vrml_export
> >
> > I would appreciate feedback from anyone testing it. I've only checked
the
> > output
> > with FreeCAD and view3dscene (FreeCAD uses the COIN library which is
really
> > an impressive fast VRML renderer).  When creating a monolithic file,
DEF/USE
> > is
> > employed - there is not yet an option to create a flat file (no
DEF/USE).
> >
> > - Cirilo
> >
> >
> >>
> >> On Fri, Sep 16, 2016 at 7:29 PM, Cirilo Bernardo
> >> <cirilo.bernardo@xxxxxxxxx> wrote:
> >> > OK, with the feedback from Maurice and Mario I have retained the
> >> > Inline{}
> >> > option but
> >> > changed the behavior:
> >> >
> >> > + If "Copy 3D model files" is activated then Inline{} is used,
otherwise
> >> > a
> >> > monolithic
> >> > file is written. This removes the previous behavior that absolute
paths
> >> > can
> >> > be used in
> >> > Inline{}; the absolute paths are bad anyway since they differ
depending
> >> > on
> >> > the OS
> >> > and VRML files cannot be shared easily. With this new behavior it
will
> >> > be
> >> > easier to
> >> > share VRML files which use Inline{}.
> >> >
> >> > + In the case of a monolithic file, DEF/USE will be employed. This
> >> > typically
> >> > makes
> >> > the file smaller, especially if complex components have many
instances.
> >> > If
> >> > people
> >> > want an option to not use DEF/USE let me know and I can add Yet
Another
> >> > Flag
> >> > to the export UI.
> >> >
> >> > The rework is *mostly* done; I only need to add a few routines to
create
> >> > the
> >> > board
> >> > model in the monolithic file (basically pass existing tesselation
data
> >> > and
> >> > color data
> >> > to the KiCad scenegraph library).
> >> >
> >> > Any more comments/suggestions?
> >> >
> >> > - Cirilo
> >> >
> >> >
> >> > On Fri, Sep 16, 2016 at 9:20 AM, easyw <easyw@xxxxxxxxxxxx> wrote:
> >> >>
> >> >> Hi Cirilo,
> >> >> I found inline{} VRML export option very useful and powerful...
> >> >>
> >> >> it allows an easy post elaboration to i.e. change color to pcb
board,
> >> >> traces and solder mask with some macro or tweak the VRML models to
add
> >> >> texture to the VRML result for an improved visualization or even
add a
> >> >> vrml
> >> >> model inline{} to a 3D part to include some external extra objects
not
> >> >> present in the pcbnew...
> >> >>
> >> >> I use Blender to import kicad VRML exported boards and I use also
> >> >> material
> >> >> properties without any issues with the actual develop build
branch...
> >> >>
> >> >> So in case of a rewriting of the VRML exporter, I would consider
very
> >> >> useful to leave at least an option to conserve the actual inline{}
> >> >> structure.
> >> >>
> >> >> Thank you
> >> >> Maurice
> >> >>
> >> >>
> >> >> On 16/09/2016 00:25, Cirilo Bernardo wrote:
> >> >>>
> >> >>> Hi folks,
> >> >>>
> >> >>>  Since the merge of the new 3DViewer the VRML Export routine has
not
> >> >>> been able to include x3d data and the few x3d users out there have
not
> >> >>> been very happy about this. However, the scenegraph library
developed
> >> >>> for the 3D plugin system can easily write monolithic files which
> >> >>> include
> >> >>> visualization data for all file formats supported by plugins. This
> >> >>> means
> >> >>> that VRML Export can now be modified to either (a) continue to use
> >> >>> inline{} when a file is created and when copying files the
scenegraph
> >> >>> library is used to write VRML model equivalents of other file
formats
> >> >>> (x3d, STEP, IGES, IDF) or (b) create a monolithic file with all
models
> >> >>> defined internally and reused wherever possible. Personally I would
> >> >>> prefer (b) since that would eliminate some options in the Export
> >> >>> routine
> >> >>> such as "Copy Model Files" and would also eliminate the problem of
> >> >>> inline{} compatibility with some viewers. There may be problems
with
> >> >>> DEF/USE within some programs like Blender but I can always add an
> >> >>> option to not reuse definitions (Blender's VRML code has so many
> >> >>> problems though that I doubt this would help).
> >> >>>
> >> >>> Any thoughts before I go ahead and rework the VRML exporter?
> >> >>>
> >> >>> - Cirilo
> >> >>>
> >> >>>
> >> >>>
> >> >>> _______________________________________________
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> >> >>>
> >> >
> >> >
> >> > _______________________________________________
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> >> >
> >
> >
>
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