 | | | Scene Exposure | Scene Exposure 2004-05-06 - By Marc Trzepla
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Interesting - I saw this too once I went looking for it. I used .ct and
attributed the "no float tiff" to the same reason that I get no previews in
the FX Tree Viewer ... that sumpthin' was a-broke.
Kim - We light stuff correctly for the stuff we do but lately I've been on
this kick of experimenting with light energy in scenes for my own
edification. For instance, take that attachment I made - I think it's a
technically beautiful thing when a 50% reflection of a totally blown-out
surface is reflected as not 50% grey but as the lower-exposure equivalent of
the surface without the blowout. I just discovered the use of color beyond
the value of 1 when making Constant surfaces for light sources - almost like
light temperature ... a very blown out white that doesn't go through GREY to
get to no-light but through the color specified. It's all basically a big
exercise in experimentation.
While I'm here - anyone know what would keep my FX Viewer from showing the
preview of effects applied to images?
Thanks, everyone.
marc
>From: "Harry Bardak" <harry@(protected)>
>Reply-To: XSI@(protected)
>To: <XSI@(protected)>
>Subject: Re: Scene Exposure
>Date: Wed, 5 May 2004 12:02:51 +0200
>
>hmmm how do you save in tiff float format ?
>i have acces only to 8 bit / 16 bit.
>I have to save in Ct format to get acces to the float
>
>?????
>
>
>-- -- Original Message -- --
>From: "Marc Trzepla" <marc_trzepla@(protected)>
>To: <XSI@(protected)>
>Sent: Tuesday, May 04, 2004 11:07 PM
>Subject: Re: Scene Exposure
>
>
> > File-size aside, the 32-bit tiff solution sounds like it's what we're
> > looking for...
> >
> > Thanks, everyone.
> >
> > marc
> >
> > >From: Francois Lord <flord@(protected)>
> > >Reply-To: XSI@(protected)
> > >To: XSI@(protected)
> > >Subject: Re: Scene Exposure
> > >Date: Tue, 04 May 2004 14:32:54 -0400
> > >
> > >Just render to 32 bits format. Xsi supports 32 bits tiffs and .ct
>images.
> > >Both can be loaded in the FXtree. You will get exactly what you want,
> > >except that your images will be HUGE.
> > >
> > >--
> > >Flord
> > >
> > >
> > >Marc Trzepla wrote:
> > >
> > >>If I have a scene that is under- or over-exposed how can I adjust the
> > >>final result, a-la HDRI?
> > >>
> > >>I've attached an image to show what I'm aiming for...
> > >>
> > >>marc
> > >>
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