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I would like to use hdri to illuminate an object and create realism through
using hdri lighting for my reflections, however I do not want any
background, not transparent but I dont want the hdri image to appear in the
background like i see in many images using hdri lighting. I just want
portray the object but raise the realism of the texture using hdri. I have
installed mega pov and using that now. Can i do this with light dome macro
or a sky sphere? I have an example image but dont think i can post in this
message.
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clarkking nous apporta ses lumieres en ce 2007/07/01 19:14:
> I would like to use hdri to illuminate an object and create realism through
> using hdri lighting for my reflections, however I do not want any
> background, not transparent but I dont want the hdri image to appear in the
> background like i see in many images using hdri lighting. I just want
> portray the object but raise the realism of the texture using hdri. I have
> installed mega pov and using that now. Can i do this with light dome macro
> or a sky sphere? I have an example image but dont think i can post in this
> message.
>
>
As a light is not visible by itself, if you use the light dome technique, it
won't show in the background.
A sky_sphere is visible whenever any ray don't encounter any opaque object, it's
a background feature.
You may try a large sphere with the no_image atribute: that way, it's not
directly visible, but will show in reflections and refractions.
--
Alain
-------------------------------------------------
Secular Humanism: Shit evolves.
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"clarkking" <cla### [at] sbcglobalnet> wrote:
> I would like to use hdri to illuminate an object and create realism through
> using hdri lighting for my reflections, however I do not want any
> background, not transparent but I dont want the hdri image to appear in the
> background like i see in many images using hdri lighting. I just want
> portray the object but raise the realism of the texture using hdri. I have
> installed mega pov and using that now. Can i do this with light dome macro
> or a sky sphere? I have an example image but dont think i can post in this
> message.
My lightdome macro which uses 'real' lights rather than radiosity has the
option to turn off the sky sphere (the "SS" parameter) while keeping the
lights on.
-tgq
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"Trevor G Quayle" <Tin### [at] hotmailcom> wrote:
> "clarkking" <cla### [at] sbcglobalnet> wrote:
> > I would like to use hdri to illuminate an object and create realism through
> > using hdri lighting for my reflections, however I do not want any
> > background, not transparent but I dont want the hdri image to appear in the
> > background like i see in many images using hdri lighting. I just want
> > portray the object but raise the realism of the texture using hdri. I have
> > installed mega pov and using that now. Can i do this with light dome macro
> > or a sky sphere? I have an example image but dont think i can post in this
> > message.
>
> My lightdome macro which uses 'real' lights rather than radiosity has the
> option to turn off the sky sphere (the "SS" parameter) while keeping the
> lights on.
>
> -tgq
Trevor do know of any useful tutorials for learning how to use HDRI lighting
techniques in POV (mlpov)? I think im a little confused about a few things.
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"clarkking" <cla### [at] sbcglobalnet> wrote:
> Trevor do know of any useful tutorials for learning how to use HDRI lighting
> techniques in POV (mlpov)? I think im a little confused about a few things.
Sorry, I don't know of any tutorials short of what has been posted here. I
don't have the time to write up any at the moment, but I would always be
happy to answer any questions or help solve any problems.
-tgq
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