POV-Ray : Newsgroups : povray.general : Lens Flares? Server Time
7 Aug 2024 13:15:28 EDT (-0400)
  Lens Flares? (Message 31 to 35 of 35)  
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From: Warp
Subject: Re: Lens Flares?
Date: 8 Nov 2001 05:16:46
Message: <3bea5b8e@news.povray.org>
Ron Parker <ron### [at] povrayorg> wrote:
: clipped_by{plane{z,0}}

  Doh! Didn't think of that. Shame on me! :)

-- 
#macro N(D,I)#if(I<6)cylinder{M()#local D[I]=div(D[I],104);M().5,2pigment{
rgb M()}}N(D,(D[I]>99?I:I+1))#end#end#macro M()<mod(D[I],13)-6,mod(div(D[I
],13),8)-3,10>#end blob{N(array[6]{11117333955,
7382340,3358,3900569407,970,4254934330},0)}//                     - Warp -


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From: Warp
Subject: Re: Lens Flares?
Date: 8 Nov 2001 05:17:37
Message: <3bea5bc1@news.povray.org>
Ken <tyl### [at] pacbellnet> wrote:
: Everybody around here whines about how important it is to use proper
: indenting yet look at that mess! When I do it people critisie me. When
: you guys do it in your sigs it is all of a sudden ok. Talk about double
: standards!

  That's exactly what "obfuscated" means: The opposite of what you should
write usually. :)

-- 
#macro N(D,I)#if(I<6)cylinder{M()#local D[I]=div(D[I],104);M().5,2pigment{
rgb M()}}N(D,(D[I]>99?I:I+1))#end#end#macro M()<mod(D[I],13)-6,mod(div(D[I
],13),8)-3,10>#end blob{N(array[6]{11117333955,
7382340,3358,3900569407,970,4254934330},0)}//                     - Warp -


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From: Tom Melly
Subject: Re: Lens Flares?
Date: 8 Nov 2001 10:15:39
Message: <3beaa19b$1@news.povray.org>
"Warp" <war### [at] tagpovrayorg> wrote in message news:3bea5bc1@news.povray.org...
>
>   That's exactly what "obfuscated" means: The opposite of what you should
> write usually. :)
>

I thought that was (: .yllausu etirw dluohs uoy tahw, the opposite of obfuscated
is detacsufbo surely?


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From: Batronyx
Subject: Re: Lens Flares?
Date: 8 Nov 2001 23:25:44
Message: <3beb5ac8@news.povray.org>
"Tom Melly" <tom### [at] tomandlucouk> wrote in message
news:3beaa19b$1@news.povray.org...
> "Warp" <war### [at] tagpovrayorg> wrote in message news:3bea5bc1@news.povray.org...
> >
> >   That's exactly what "obfuscated" means: The opposite of what you should
> > write usually. :)
> >
>
> I thought that was (: .yllausu etirw dluohs uoy tahw, the opposite of
obfuscated
> is detacsufbo surely?
>

I don't think so. It looks like you've got it backwards.


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From: Nathan Kopp
Subject: Re: Lens Flares?
Date: 13 Nov 2001 00:25:59
Message: <3bf0aee7@news.povray.org>
"Ron Parker" <ron### [at] povrayorg> wrote...
> On Wed, 07 Nov 2001 23:23:35 +0200, Peter Popov wrote:
> > How so? Lens flares usually originate from light sources.
>
> True, but since the path is ES*L, it is sufficient to give the light
source a
> looks_like that has sufficient brightness to survive multiple reflections.
> Photons are only useful when the path is ES*DS*L.
>
> To get some of the more interesting flares requires blurred reflection
and/or
> refraction, and perhaps a touch of dispersion.  Slow, slow, slow.

Or you can use a bit of phong (and/or specular) highlighting to get the
reflection of the light_source to show up.  Over a year ago tried this with
a bit of dispersion and it worked great, though the renders were SO SLOW!

-Nathan


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