 | | | DOF and Depth Pass problem | DOF and Depth Pass problem 2005-03-22 - By Morten Bartholdy
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V interesting - never seen that.
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-- -- Original Message -- --
From: "Daniel Atanasovski" <casting@(protected)>
To: <XSI@(protected)>
Sent: Tuesday, March 22, 2005 11:40 AM
Subject: RE: DOF and Depth Pass problem
> Morten, here is part of the picture in both rgba and dof renders...
> www.axis.com.mk/xsi
>
> daniel
>
> -- --Original Message-- --
> From: owner-xsi@(protected) [mailto:owner-xsi@(protected)] On Behalf
Of
> Morten Bartholdy
> Sent: Tuesday, March 22, 2005 11:18
> To: XSI@(protected)
> Subject: Re: DOF and Depth Pass problem
>
> Just out of curiosity - can you post a pic showing original rgb and DOF
with
> the weird look? I have used it lately without any problems so I'd like to
> know what might pose a problem.
>
> Regarding converting Z-pics to rgb Luc-Eric posted this not long ago:
>
> quote:
> "the difficulty lies in the fact that zpics are not image, it's the
zbuffer
> and the values
> go from 0 to as much as minus 100,000, which you want to compress in a
> smaller range.
> The first step is shaving the range that you don't need with the pixel
> parser.
>
> First load the .Zpic in the compositor. Then add a Pixel Parser node.
> type in the formula : 1-((1-pixel)*100000)/a1
> Now, using the "a1" slider you can narrow down the ZPic around 0 to 30
(the
> distance in Softimage Units). Type in a greater value if appropriate.
>
> You can fine-tune the contrast by adding a Luma Adjust node.
>
> A file output node to save the final .pic file"
> - unquote
>
> You could also just create a depth pass and render out 16 bit or float. If
> you have After Effects or Combustion you might want to check out Lenscare
at
> http://www.frischluft.com
>
> --
>
> Morten Bartholdy | morten@(protected)
> Denmark
>
>
> -- -- Original Message -- --
> From: "Chris Marshall" <chris@(protected)>
> To: <XSI@(protected)>
> Sent: Tuesday, March 22, 2005 10:52 AM
> Subject: Re: DOF and Depth Pass problem
>
>
> > It's a bug. I asked this not too long ago and the answer was to use
After
> Effects. I think it's possible to convert your zpics into rgb and use that
> in conjunction with a blur filter. Not ideal though. I think there was a
> thread on XSI Base about converting zpics, or was it here?
> >
> >
> >
> > -- -- Original Message -- --
> > From: Daniel Atanasovski <casting@(protected)>
> > To: XSI@(protected)
> > Sent: Tue, 22 Mar 2005 02:00:33 +0000
> > Subject: DOF and Depth Pass problem
> >
> >
> > > Hi Everyone,
> > >
> > >
> > >
> > >
> > >
> > > It's little late here and I'm having problems with the FX tree and the
> DOF
> > > operator.I'm trying to connect RGB pass and Depth Pass (or zPics) to
the
> > > Depth of Field operator in the FX tree, and everything works fine once
I
> > > turn off the Preview button in the DOF operator it gives me weird
> multiplied
> > > images. Can someone explain in couple of steps how can I use the Depth
> Pass
> > > with the DOF operator. Such a simple thing it's been keeping me here
so
> > > late.I hope it's not a bug.
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > > Thanks,
> > >
> > >
> > >
> > > Daniel.
> > >
> > >
> > >
> > >
> > >
> >
> >
> > ---
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body:
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> >
> >
>
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