AW: particle cloud projection 2005-01-19 - By xsi@(protected)
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Thanks guys, it works.
--- Urspr�ngliche Nachricht ---
Datum: 19.01.2005 12:04
Von: XSI@(protected)
An: XSI@(protected)
Betreff: Re: particle cloud projection
> Good trick Holger!
> And maybe you could try to replace the intersection point by the
> scalar state RasterX and RasterY renormalizes to get the UV
> coordinates in the camera plane.
> Tell us if it works!
>
>
> On Wed, 19 Jan 2005 11:42:42 +0100, Schoenberger <XSI@(protected)>
wrote:
> >
> >
> > A planar projection (not rotated) is possible with a render tree,
dunno
> > if it is possible with camera projection (Definately it would be a
big
> > complex render tree). You have to generate your own texture
projection
> > in the rendertree.
> >
> > What you have to do is:
> > Get intersection point, change range of it to fit your wanted UV
> > coordinates (with math knowlegde use vector_math, otherwise split
vector
> > in 3 scalars and use change_range, it is easier to use) and plug it
into
> > your image coord input. That's all for a planar projection in world
> > coordinates.
> >
> > (Sure that all would be much easier an better with a shader node)
> >
> > Holger Sch�nberger
> > technical director
> > The day has 24 hours, if that does not suffice, I will take the night
> >
> > |> -- --Original Message-- --
> > |> From: owner-xsi@(protected)
> > |> [mailto:owner-xsi@(protected)] On Behalf Of Sascha Robitzki
> > |> Sent: Tuesday, January 18, 2005 10:24 PM
> > |> To: XSI-List
> > |> Subject: particle cloud projection
> > |>
> > |>
> > |> Can I connect a camera or planar projection to a particle
> > |> cloud in XSI?
> > |>
> > |> Sascha
> > |> ---
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> >
> >
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>
> --
> Aloys Baillet - TD / R&D @ La Maison - www.alamaison.fr
>
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