Re: ice strand grass

Jason S Tue, 01 Mar 2016 18:18:21 -0800

Thanks for the update & good to know!

On 03/01/16 14:42, Kris Rivel wrote:

Just an update...so instances on strands are not really supported in Redshift...yet...but its on the to-do list for this year. Going to probably check out the Forrester plugin for this in the meantime.

Kris

On Mon, Feb 29, 2016 at 9:30 AM, Morten Bartholdy <x...@colorshopvfx.dk> wrote:

I haven't tried this with RS, but Tim Crowson has made some nifty tools for
working with Redshift proxies. I don't know if they can help you with your
current scenario, but in case you did not know them here goes:

http://www.timcrowson.com/redshift-proxy-manager/

http://www.timcrowson.com/loop-redshift-proxy-sequence/

/MB

> Den 29. februar 2016 klokken 15:19 skrev Kris Rivel <krisri...@gmail.com>:
>
>
> Awesome Morten thanks...I'll check it out! I'm actually using RS...don't
> have Arnold but maybe it will still work...will let you know.
>
> On Mon, Feb 29, 2016 at 7:20 AM, Morten Bartholdy <x...@colorshopvfx.dk>
> wrote:
>
> > Kris I didn't see if you render with Redshift or Arnold - Arnold does
> > support
> > deformed instances on strands - I have used it to create a grassfield with
> > turbulent wind.
> >
> > I have sent you a simple scene demonstrating the setup.
> >
> > /Morten
> >
> >
> > > Den 27. februar 2016 klokken 23:06 skrev Kris Rivel <krisri...@gmail.com
> > >:
> > >
> > >
> > > Oh....well that would suck. I may just have to animate the objects and
> > > instance them...bummer!
> > >
> > > On Sat, Feb 27, 2016 at 4:53 PM, Olivier Jeannel <facialdel...@gmail.com
> > >
> > > wrote:
> > >
> > > > Just to be sure, as far as I know, Strand deforming objects, like Rob
> > > > showed, only render in MR.
> > > > I don't think RS does it, and I'm not sure for Arnold.
> > > >
> > > > On Sat, Feb 27, 2016 at 10:02 PM, Kris Rivel <krisri...@gmail.com>
> > wrote:
> > > >
> > > >> Thanks Olivier...that helps...going to look at that.
> > > >>
> > > >> Rob...ha ha...I think my ICE skills are below your assumptions. I did
> > > >> this same setup (from what I can see in your image) and I'm getting
> > > >> instances on the hairs but they're not deforming even in the render.
> > Is
> > > >> this tree on the simulation stack? What other nodes do you have in
> > there?
> > > >> What settings for the emit strands are you using?
> > > >>
> > > >> On Sat, Feb 27, 2016 at 12:44 PM, Rob Chapman <tekano....@gmail.com>
> > > >> wrote:
> > > >>
> > > >>> Kris, sorry I just loaded demo scene strand dynamics hair, applied
> > > >>> lizard instance shape to few guide hairs, applied the strand deform
> > flag
> > > >>> and all lizards perform as requested
> > > >>>
> > > >>> [image: Inline images 1]
> > > >>>
> > > >>> really not sure what you are doing wrong !
> > > >>>
> > > >>>
> > > >>>
> > > >>> On 27 February 2016 at 14:36, Kris Rivel <krisri...@gmail.com>
> > wrote:
> > > >>>
> > > >>>> Rob...thanks...that does help with keeping one instance but they
> > still
> > > >>>> don't bend/move with the strand dynamics. Olivier...this looks
> > > >>>> interesting
> > > >>>> and I'm trying that too but I can't get it to work. The node is red
> > no
> > > >>>> matter what I do and all the links to the authors site and vimeo are
> > > >>>> down.
> > > >>>>
> > > >>>> On Sat, Feb 27, 2016 at 5:09 AM, Olivier Jeannel <
> > > >>>> facialdel...@gmail.com> wrote:
> > > >>>>
> > > >>>>> There is also the PLND Deform By Strand (I think it is still on
> > > >>>>> Rray.de) that physicaly deform the polymesh along the strand.
> > > >>>>> Can be slow with many strands.
> > > >>>>>
> > > >>>>> On Sat, Feb 27, 2016 at 10:12 AM, Rob Chapman <
> > tekano....@gmail.com>
> > > >>>>> wrote:
> > > >>>>>
> > > >>>>>> there is a checkbox 'loft shape along strand'
> > > >>>>>>
> > > >>>>>> On 27 February 2016 at 02:35, Kris Rivel <krisri...@gmail.com>
> > wrote:
> > > >>>>>>
> > > >>>>>>> Yeah no go with hairs...so using ice. But now...I still quite
> > figure
> > > >>>>>>> out how to get strand dynamics to play nice with instancing.
> > Anyone
> > > >>>>>>> have
> > > >>>>>>> some pointers? I have some nice strands blowing around but when
> > I hook
> > > >>>>>>> up
> > > >>>>>>> my set instance shape or particle shape, it basically seems to
> > create
> > > >>>>>>> an
> > > >>>>>>> instance at each segment on the strand! So they move around but
> > only
> > > >>>>>>> because they're generated at each segment point. How can I get
> > one
> > > >>>>>>> instance
> > > >>>>>>> to be applied to one strand and bend with the strand like a
> > chain? Any
> > > >>>>>>> sample scenes or vids that show how to do this?
> > > >>>>>>>
> > > >>>>>>> Kris
> > > >>>>>>>
> > > >>>>>>> On Wed, Feb 24, 2016 at 5:55 PM, Matt Morris <matt...@gmail.com>
> > > >>>>>>> wrote:
> > > >>>>>>>
> > > >>>>>>>> If you're using redshift you might be out of luck though, don't
> > > >>>>>>>> think they have deforming instance geo yet.
> > > >>>>>>>>
> > > >>>>>>>>
> > > >>>>>>>> On 24 February 2016 at 22:20, Kris Rivel <krisri...@gmail.com>
> > > >>>>>>>> wrote:
> > > >>>>>>>>
> > > >>>>>>>>> Oh...I thought I would see it in the view...I'll have to try
> > that
> > > >>>>>>>>> then! Thanks!
> > > >>>>>>>>>
> > > >>>>>>>>> Kris
> > > >>>>>>>>>
> > > >>>>>>>>> On Wed, Feb 24, 2016 at 4:36 PM, Rob Chapman <
> > tekano....@gmail.com
> > > >>>>>>>>> > wrote:
> > > >>>>>>>>>
> > > >>>>>>>>>> They do move, just not in the viewport, my old deforming
> > flower
> > > >>>>>>>>>> field tutorial covers exactly this
> > > >>>>>>>>>> On 24 Feb 2016 21:20, "Kris Rivel" <krisri...@gmail.com>
> > wrote:
> > > >>>>>>>>>>
> > > >>>>>>>>>>> Is it possible to deform geo instances along a strand?
> > Creating
> > > >>>>>>>>>>> some up close grass. I have some good geo meshes and want to
> > > >>>>>>>>>>> instance them
> > > >>>>>>>>>>> to the strands. They instance ok but they don't move with the
> > > >>>>>>>>>>> animated
> > > >>>>>>>>>>> strands. This possible?
> > > >>>>>>>>>>>
> > > >>>>>>>>>>> Kris
> > > >>>>>>>>>>>
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Re: ice strand grass

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