[Sidefx-houdini-list] Question about visualizing flows

Ron Schab ron.schab at gmail.com
Mon Apr 26 21:15:18 EDT 2010


Awesome glad it worked :)


On Tue, Apr 27, 2010 at 11:01, Alex Czetwertynski
<alex at franktheplumber.com>wrote:

> Aaah!  That was it...
> Awesome.  One more layer deep in the bowels of Houdini knowledge
>
> Thanks again
>
> Alex
>
>
> On Apr 26, 2010, at 6:03 PM, Ron Schab wrote:
>
> > Yup :)
> >
> > I think I also mentioned to look in the DetailsTab which will reveal
> > needed
> > relationships and naming conventions.  I probably should have
> > mentioned how
> > to find the DetailsTab - sorry about that ;)
> >
> > You will need to activate it in your Houdini desktop as it does not
> > show by
> > default.  E.g. where you have the materialsTab (which should be
> > there in
> > your standard Desktop), click on the PLUS symbol next to it and
> > activate
> > it's display through there.
> > Then while focused on the PyroNode look into that tab and you'll see
> > all
> > necessary current relationships and naming conventions :)
> >
> > Hope this helps
> >
> > cheers
> > Ron
> >
> >
> >
> >
> > On Tue, Apr 27, 2010 at 09:50, Alex Czetwertynski
> > <alex at franktheplumber.com>wrote:
> >
> >> Thanks Ron
> >>
> >> Bringing this thread back on the list as you suggested.
> >>
> >> So to choose what visualization I want to render, I go to the node I
> >> want to render (in my case the Low Res Pyro) and point the "Geometry
> >> Data Path" in the Dop Import node to vel/Visualization
> >>
> >> My question off list was "how do I know what the paths are".
> >> Your reply was to look at the details tab of the pyro node in the
> >> AutoDop network.
> >>
> >> My new question for you is then, I don't see clearly how to name
> >> these
> >> paths...I can see the tabs, but I can't clearly see how you came up
> >> with "vel" as the pathname (aside from the fact that it is the first
> >> three letters of Velocity :))
> >> Maybe I am missing something?
> >>
> >> Thanks
> >> Alex
> >>
> >>
> >> On Apr 23, 2010, at 9:07 PM, Ron Schab wrote:
> >>
> >>> Hi Alex,
> >>>
> >>> if I understand the issue correctly, the key lies within the
> >>> DopImportSOP.
> >>>
> >>> DopNetwork: /obj/AutoDopNetwork
> >>>
> >>> objectMask: `dopobjscreatedby("/obj/AutoDopNetwork/pyro")`
> >>>
> >>> GeometriePath:  vel/Visualization
> >>> //(here of course choose which ever you want; naming can be found in
> >>> DetailsTab)//
> >>>
> >>> attached a hipnc I quickly mocked up for reference.
> >>>
> >>> cheers
> >>> Ron
> >>>
> >>> On 4/24/10, Alex Czetwertynski <alex at franktheplumber.com> wrote:
> >>>> I'm trying to achieve an effect similar to this
> >>>>
> >>>> http://www.youtube.com/watch?v=7jTeiz_f1iY&NR=1
> >>>> http://www.youtube.com/watch?v=j6yB90vno1E&feature=related
> >>>>
> >>>> I thought I would be able to do this with volume fluids easily,
> >>>> but I
> >>>> was wrong.
> >>>> I noticed that when you have a smoke volume colliding with an RBD
> >>>> object and you visualize certain fields you will see similar
> >>>> effects.
> >>>> However how would you render those visualizations?  Do you have to
> >>>> advect particles and add a polywire to them or just a lot of motion
> >>>> blur?
> >>>>
> >>>> Thanks
> >>>> Alex
> >>>> _______________________________________________
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> >>>> Sidefx-houdini-list at sidefx.com
> >>>> https://lists.sidefx.com:443/mailman/listinfo/sidefx-houdini-list
> >>>>
> >>>
> >>>
> >>> --
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