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In p.b.a I posted an animation where I have lighting from radiosity from
ceiling lights.
In any one scene, the radiosity is cool, but as I compile an anim, the
lighting looks like it's jumping around, almost like lightning.
The source code for the radiosity settings & room are posted there.
It used 0.7.
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It's a normal drawback of radiosity. Rays *jittering* is the keyword.
Yet it seems like radiosity scenes look different every time you render
them...
--
Jonathan.
"Greg M. Johnson" <"gregj56590[:-0]"@aol.com> ha scritto nel messaggio
news:3BD997FE.4AB5F800@aol.com...
> In p.b.a I posted an animation where I have lighting from radiosity from
> ceiling lights.
>
> In any one scene, the radiosity is cool, but as I compile an anim, the
> lighting looks like it's jumping around, almost like lightning.
>
> The source code for the radiosity settings & room are posted there.
>
> It used 0.7.
>
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Hi Greg,
Have you tried saving the initial radiosity solution, then reloading it for
all subsequent frames ( with always_sample_off and a pretrace start and end
set to 1)? I tried it, and the results were perfect. Objects were moving in
my scene, though the camera was stationary. Dunno if this would make an
impact on the results.
All the best,
Andy Cocker
"Greg M. Johnson" <"gregj56590[:-0]"@aol.com> wrote in message
news:3BD997FE.4AB5F800@aol.com...
> In p.b.a I posted an animation where I have lighting from radiosity from
> ceiling lights.
>
> In any one scene, the radiosity is cool, but as I compile an anim, the
> lighting looks like it's jumping around, almost like lightning.
>
> The source code for the radiosity settings & room are posted there.
>
> It used 0.7.
>
Post a reply to this message
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Neat idea, BUT I also want my moving character to cast shadows. Am I right
that your suggestion would not allow this?
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When Rad=1, my scene renders in 1 minute.
When Rad=2, it takes almost 3 minutes!
What is wrong? Isn't it supposed to be faster?
-----------------------------------
#declare Rad = 1;
global_settings {
assumed_gamma 1
#switch (Rad)
#case (1)
radiosity {
pretrace_start 0.08
pretrace_end 0.02
count 50
error_bound 0.5
recursion_limit 1
save_file "Filename.rca"
}
#break
#case (2)
radiosity {
pretrace_start 1
pretrace_end 1
always_sample off
load_file "Filename.rca"
}
#break
#end
-----------------------------------
Andy Cocker <big### [at] mariner9fsnetcouk> wrote in message
> Have you tried saving the initial radiosity solution, then reloading it
for
> all subsequent frames ( with always_sample_off and a pretrace start and
end
> set to 1)? I tried it, and the results were perfect. Objects were moving
in
> my scene, though the camera was stationary. Dunno if this would make an
> impact on the results.
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Well, you're using fairly low settings. Try with very high radiosity
settings and see if it isn't faster.
--
Jonathan.
"Anthony D'Agostino" <sco### [at] spamEcsicom> ha scritto nel messaggio
news:3bdb647e@news.povray.org...
> When Rad=1, my scene renders in 1 minute.
> When Rad=2, it takes almost 3 minutes!
> What is wrong? Isn't it supposed to be faster?
>
> -----------------------------------
> #declare Rad = 1;
>
> global_settings {
> assumed_gamma 1
> #switch (Rad)
> #case (1)
> radiosity {
> pretrace_start 0.08
> pretrace_end 0.02
> count 50
> error_bound 0.5
> recursion_limit 1
> save_file "Filename.rca"
> }
> #break
> #case (2)
> radiosity {
> pretrace_start 1
> pretrace_end 1
> always_sample off
> load_file "Filename.rca"
> }
> #break
> #end
> -----------------------------------
>
>
> Andy Cocker <big### [at] mariner9fsnetcouk> wrote in message
>
> > Have you tried saving the initial radiosity solution, then reloading it
> for
> > all subsequent frames ( with always_sample_off and a pretrace start and
> end
> > set to 1)? I tried it, and the results were perfect. Objects were moving
> in
> > my scene, though the camera was stationary. Dunno if this would make an
> > impact on the results.
>
>
>
Post a reply to this message
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