AW: Red pixels in render

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AW: Red pixels in render

AW: Red pixels in render

2005-02-03 - By Martin Chatterjee

Back
Stuart,

We got this fairly regularly when rendering an in-house shader with motion
blur on.

In our case these artifacts reliably dissapear when we turn off

RenderSettings->ActiveEffects->IntensityClipping.

But we never experienced the red artifacts in "regular" render passes.

Cheers,

Martin

-- ---- ---- ---- ---- ---- ---- --
Martin Chatterjee

Senior Technical Director
Spans & Partner GmbH

[martin.c@(protected)]

-- --Ursprungliche Nachricht-- --
Von: owner-xsi@(protected) [mailto:owner-xsi@(protected)]Im Auftrag
von Stuart Hall
Gesendet: Thursday, February 03, 2005 16:45
An: XSI@(protected)
Betreff: RE: Red pixels in render

I must admit I only get the odd 1 dot on a frame in every 400. So I've
never found a logic to it.

Sounds like an interesting solution.

Cheers

Stu

-- --Original Message-- --
From: owner-xsi@(protected) [mailto:owner-xsi@(protected)] On Behalf
Of chris@(protected)
Sent: 03 February 2005 15:35
To: XSI@(protected)
Subject: RE: Red pixels in render

We just had something similar recently, on a fairly regular particle
cloud. One of our light's intensity was cranked up to about 5 or more,
which was fine, except on the odd frame we got random bright red spots.
We found we could get rid of them with higher Anti Alisaing seetings on
those particluar frames.

-- -- Original Message -- --
From: kim aldis <kim@(protected)>
To: XSI@(protected)
Sent: Thu, 3 Feb 2005 15:18:53 +0000
Subject: RE: Red pixels in render

> We saw it a couple of times on Grimm but I don't think we actually
worked
> out what it was. On a couple of occasions it was a lot more than the
odd
> pixel. I've not seen it since then though. If Si's listening, did we
ever
> work out what it was Si?
>
>
>
> > -- --Original Message-- --
> > From: owner-xsi@(protected)
> > [mailto:owner-xsi@(protected)] On Behalf Of Stuart Hall
> > Sent: 03 February 2005 15:00
> > To: XSI@(protected)
> > Subject: Red pixels in render
> >
> > Does anybody get the odd bright red pixel in their renders,
> > or is this completely unique to me?
> >
> > It is not a big problem to fix in post but I thought I would
> > ask in case there is a known solution.
> >
> > Cheers
> >
> > Stu
> >
> > ---
> > Unsubscribe? Mail Majordomo@(protected) with the following
> > text in body:
> > unsubscribe xsi
> >
> >
>
> ---
> Unsubscribe? Mail Majordomo@(protected) with the following text in
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> unsubscribe xsi
>

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Stuart,

 

We got this fairly regularly when rendering an in-house shader
with motion blur on. 


In our case these artifacts reliably dissapear when we turn off



RenderSettings->ActiveEffects->IntensityClipping.


But we never experienced the red artifacts in "regular
" render passes.

 
 
 

Cheers,


Martin


-- ---- ---- ---- ---- ---- ---- --

 Martin Chatterjee


Senior Technical Director

 Spans & Partner GmbH


[martin.c@(protected)]


 

 
 

-- --Ursprungliche Nachricht-- --

 Von: owner-xsi@(protected) [<A HREF="mailto:owner-xsi
@(protected)">mailto:owner-xsi@(protected)</A>]Im Auftrag

 von Stuart Hall

 Gesendet: Thursday, February 03, 2005 16:45

 An: XSI@(protected)

 Betreff: RE: Red pixels in render

 

I must admit I only get the odd 1 dot on a frame in every 400.
So I've

 never found a logic to it.


Sounds like an interesting solution.


Cheers


Stu


-- --Original Message-- --

 From: owner-xsi@(protected) [<A HREF="mailto:owner-xsi
@(protected)">mailto:owner-xsi@(protected)</A>] On Behalf

 Of chris@(protected)

 Sent: 03 February 2005 15:35

 To: XSI@(protected)

 Subject: RE: Red pixels in render


We just had something similar recently, on a fairly regular
particle

 cloud. One of our light's intensity was cranked up to about 5
or more,

 which was fine, except on the odd frame we got random bright
red spots.

 We found we could get rid of them with higher Anti Alisaing
seetings on

 those particluar frames.

 
 
 

-- -- Original Message -- --

 From: kim aldis <kim@(protected)>

 To: XSI@(protected)

 Sent: Thu,  3 Feb 2005 15:18:53 +0000

 Subject: RE: Red pixels in render

 

> We saw it a couple of times on Grimm but I don't think we
actually

 worked

 > out what it was. On a couple of occasions it was a lot
more than the

 odd

 > pixel. I've not seen it since then though. If Si's
listening, did we

 ever

 > work out what it was Si?

 > 

 >  

 > 

 > > -- --Original Message-- --

 > > From: owner-xsi@(protected) 

 > > [<A HREF="mailto:owner-xsi@(protected)">mailto
:owner-xsi@(protected)</A>] On Behalf Of Stuart Hall

 > > Sent: 03 February 2005 15:00

 > > To: XSI@(protected)

 > > Subject: Red pixels in render

 > > 

 > > Does anybody get the odd bright red pixel in their
renders, 

 > > or is this completely unique to me?

 > > 

 > > It is not a big problem to fix in post but I thought
I would 

 > > ask in case there is a known solution.

 > > 

 > > Cheers

 > > 

 > > Stu

 > > 

 > > ---

 > > Unsubscribe? Mail Majordomo@(protected) with the
following 

 > > text in body:

 > > unsubscribe xsi

 > > 

 > > 

 > 

 > ---

 > Unsubscribe? Mail Majordomo@(protected) with the
following text in

 body:

 > unsubscribe xsi

 > 

 

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