[Sidefx-houdini-list] Trompe loeil on a curved wall

David Johnson daveinengland at gmail.com
Thu Jul 7 09:31:02 EDT 2011


Ok. I'm not requesting it either.

Dave

On Thursday, July 7, 2011, Edward Lam <edward at sidefx.com> wrote:
> It's probably possible to do it for OpenGL (by doing more work) but I guess no one ever requested it. :)
>
> -Edward
>
> On 07/07/2011 1:19 AM, David Johnson wrote:
>
> That's cool! I've never tried that before, but I think it will work.
> Is there a reason I don't see the effect in the viewport? Or is it
> just that OGL can't do it?
>
> Dave
>
> On Wed, Jul 6, 2011 at 7:33 PM, Edward Lam<edward at sidefx.com>  wrote:
>
> Would a negative "Lens Curvature" value work (Rendering Parameters>
> Rendering>  View)?
>
> -Edward
>
> On Wed, July 6, 2011 17:21, David Johnson wrote:
>
> We are rendering a large poster type installation for a conference
> room. The wall we need to hang the image on is curved out towards us.
> We have done this on a number of flat walls to great effect, but now
> they want us to do it on a wall that is rounded.
>
> I'd like to make the effect as useful in as many different viewing
> angles in the room as possible, since most of the time people will be
> sitting at the table and be about 10' to 15' away, but anywhere along
> the length of a 25' wall.
>
> Is there a way to create a camera that has a curved "focal plane", so
> that when we mount the rendered image on a curved wall, the effect
> will be that it is somewhat flattened out?
>
> Apologies to those who type in French.
>
> Dave
>
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