[Sidefx-houdini-list] Mantra Point Instancing with Read GeoFromfile

Pablo Giménez pablogipi at gmail.com
Fri Mar 10 05:17:52 EST 2006


Thanks Simon for the info.

On 3/10/06, Simon Barrick <simon at primalpictures.com> wrote:
> Yeah smaller memory footprint is the main one, mantra loading faster probably (never tested it).
> For a character it's more tricky because it is probably changing shape every frame if it's a static object just use render from file without the instancing. If you write out gemoetry for every frame then same thing applies use render from file and set it to be a sequence.
> Also try render from file (explicit bounds) when we tested this it was actually slightly slower than just straight render from file, but I have heard other reports that it is much quicker. I think it depends on the scene, if everything is visible probably render from file is quicker if lots of geometry could potentially be culled then explicit bounds will speed things up.
> Best thing is the speed you can writr out ifds, that is worth the admission price alone.
> Do some tests I'd say.
>
>
> -----Original Message-----
> From: Pablo Giménez [mailto:pablogipi at gmail.com]
> Sent: 10 March 2006 08:57
> To: sidefx-houdini-list at sidefx.com
> Subject: Re: [Sidefx-houdini-list] Mantra Point Instancing with Read GeoFromfile
>
>
> On 3/9/06, Simon Barrick <simon at primalpictures.com> wrote:
> > Absolutely the way to go, renders are way quicker and writing out ifds
> > is a snap. Couldn't live without it.
> I am curious about this technique, never used it except for particles instancing. Why the render is faster? It is rendering the same geometry, or not? Maybe is faster when loading the needed data? Mantra memory footprint is smaller when using point istancing? And the last, what techniques are better to substitute your object, for instance a character, for a point and then use point instancing with the previously baked geometry? Thanks. Ah! Rick please greets Jordibares. It is great to see that The Mill is using Houdini again :)
> >
> >
> > -----Original Message-----
> > From: Rick Walia [mailto:rickw at the-mill.com]
> > Sent: 09 March 2006 15:41
> > To: sidefx-houdini-list at sidefx.com
> > Subject: [Sidefx-houdini-list] Mantra Point Instancing with Read Geo
> > Fromfile
> >
> >
> > Hello,
> >
> > I'm working on a script that automates some of my point instancing
> > workflow.
> >
> > I just noticed that the geo object that I'm instancing can be written
> > to
> >
> > a bgeo sequence and on the render tab, I can set this to read geometry
> > from file. I did try this and I see the .bgeo is referenced in the
> > .ifd file.
> >
> > My question is, is this technique of "instancing read archives" safe
> > to deploy site-wide or am I just gettting lucky that it works in my
> > test?
> >
> > Cheers,
> >
> > --
> >
> > Rick Walia
> >
> > The Mill
> >
> >
> >
> >
> > _______________________________________________
> > Sidefx-houdini-list mailing list Sidefx-houdini-list at sidefx.com
> > https://lists.sidefx.com:443/mailman/listinfo/sidefx-houdini-list
> >
> > ______________________________________________________________________
> > This email has been scanned for Primal Pictures by the MessageLabs
> > Email Security System.
> > ______________________________________________________________________
> >
> > ______________________________________________________________________
> > This email has been scanned for Primal Pictures by the MessageLabs
> > Email Security System.
> > ______________________________________________________________________
> > _______________________________________________
> > Sidefx-houdini-list mailing list
> > Sidefx-houdini-list at sidefx.com
> > https://lists.sidefx.com:443/mailman/listinfo/sidefx-houdini-list
> >
>
>
> --
>
> Un saludo
> Best Regards
> Pablo Giménez
> _______________________________________________
> Sidefx-houdini-list mailing list
> Sidefx-houdini-list at sidefx.com https://lists.sidefx.com:443/mailman/listinfo/sidefx-houdini-list
>
> ______________________________________________________________________
> This email has been scanned for Primal Pictures by the MessageLabs Email Security System. ______________________________________________________________________
>
> ______________________________________________________________________
> This email has been scanned for Primal Pictures by the MessageLabs Email Security System.
> ______________________________________________________________________
> _______________________________________________
> Sidefx-houdini-list mailing list
> Sidefx-houdini-list at sidefx.com
> https://lists.sidefx.com:443/mailman/listinfo/sidefx-houdini-list
>


--

Un saludo
Best Regards
Pablo Giménez



More information about the Sidefx-houdini-list mailing list