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

Edward Lam edward at sidefx.com
Thu Jul 7 09:14:57 EDT 2011

It's probably possible to do it for OpenGL (by doing more work) but I 
guess no one ever requested it. :)


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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