yade-dev team mailing list archive

[Chia Weng Boon <chiaweng@xxxxxxxxx>]

Sorry I missed clicking the subsequent buttons.  I just merged upstream,
committed and pulled again.

https://github.com/yade/trunk/pulls

Boon

On Sun, Jan 27, 2019 at 11:06 PM Janek Kozicki <janek_listy@xxxxx> wrote:

> Hi Boon,
>
> great thanks. I think that fixing orientation should be possible :)
> I cannot find your pull request though. Can you send a link?
>
> cheers
> Janek
>
> Chia Weng Boon said:     (by the date of Sun, 27 Jan 2019 22:28:11 +0800)
>
> > Hi Janek,
> > I submitted a Pull Request.  I fixed the display for the free fall
> examples
> > using Marching Cubes.  However, the orientation of the particles are not
> > completely correct yet in QT.  See for example the Wedge Example.
> > I think that was the reason why I moved to ParaView.
> >
> > Boon
> >
> > On Sat, Jan 26, 2019 at 11:19 PM Janek Kozicki <janek_listy@xxxxx>
> wrote:
> >
> > > Hi Boon,
> > >
> > > thanks for you reply. Yes, I think that this marching cubes method
> > > can work really good. The only missing thing is to make the caching
> > > of calculated triangles correctly. Once the triangles for the shape
> > > are calculated you can use them all the time, unless the body deforms
> or
> > > is cut in half (I'm not sure if this can happen).
> > >
> > > A thing to discuss: you could store cached triangles not inside
> > > Gl1_PotentialParticle but inside PotentialParticle with Attr::hidden
> > > or (Attr::hidden|Attr::noSave). For example see into
> > > pkg/common/Cylinder.hpp as an example. In this way you will not need
> > > this loop in pkg/common/Gl1_PotentialParticle.cpp line 112, and
> > > automatically you have solved the problem what to draw when a body
> > > was deleted or added to scene. Because you only recalculate marching
> > > cubes for particular single body when you need to draw it and it
> > > wasn't generated yet.
> > >
> > > I hope that the post which I have just sent to mailing list about
> > > object oriented design deficiencies of your code wasn't too harsh.
> > > My apologies.
> > >
> > > best regards
> > > Janek
> > >
> > > Chia Weng Boon said:     (by the date of Sat, 26 Jan 2019 11:12:40
> +0800)
> > >
> > > > Dear Janek,
> > > > I will look into it. Thanks. In the python script, the vtk files at
> > > > specific time intervals are output into the vtk folder.  I have
> been
> > > using
> > > > ParaView mainly for visualisation for both Potential Particles and
> > > > Potential Blocks.  The colour of the particles can also be changed in
> > > > ParaView.  I suspect that the Marching Cube display is not showing
> the
> > > > position and size of the particles correctly (I abandoned the
> marching
> > > > cubes quite long ago, but agree that real time display with
> simulation is
> > > > more user friendly)
> > > >
> > > > Let me check the example files again.
> > > >
> > > > Boon
> > >
> > > _______________________________________________
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>
>
> --
> Janek Kozicki                               http://janek.kozicki.pl/  |
>
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