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Kerkythea Rendering System • View topic - What affects rendertime with unbiased methods
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What affects rendertime with unbiased methods

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<<

alex

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Posts: 2746

Joined: Sun Nov 26, 2006 10:12 am

Location: Clermont-Ferrand, France

Post Sat May 03, 2008 10:05 pm



Perfection is achieved, not when there is nothing more to add, but when there is nothing left to take away.
<<

Rafa

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Posts: 1427

Joined: Wed Jan 30, 2008 12:16 am

Location: México

Post Sun May 04, 2008 5:37 am

<<

dentex

KT-Master

Posts: 914

Joined: Mon Nov 26, 2007 9:19 pm

Location: Italy

Post Sun May 04, 2008 6:17 am

dentex
<<

alex

KT-Team
KT-Team

Posts: 2746

Joined: Sun Nov 26, 2006 10:12 am

Location: Clermont-Ferrand, France

Post Sun May 04, 2008 9:26 am

ALL THIS IS ONLY TRUE FOR MLT, BiPT, AND MLT(BPT), because I haven't
tested this with Photon Mapping.


Ok, in short, the less shadows a scene has, the faster it is to render.
This means that in a lot of cases, even if using mesh emitters, studio
renders or HDR lightened renders will render very very fast. (normally,
less than three hours, and possibility to go under 1h30 at 1920x1080
resolution on core2Duo)

At the opposite, a render with indirect Lighting (like an interior scene with
as only light source a sun through a window - which will have to reflect on
the floor, then walls, ceiling, then floor etc to enlight the scene) will be
much longer (at same resolution, expect to render at least 8-10 hours to
have a clear render).

Materials are very well optimised and all settings (exept dispertion) don't
really affect rendertime compared to lighting.


Perfection is achieved, not when there is nothing more to add, but when there is nothing left to take away.
<<

dentex

KT-Master

Posts: 914

Joined: Mon Nov 26, 2007 9:19 pm

Location: Italy

Post Sun May 04, 2008 3:24 pm

crystal clear.

thanks for the explanation! ;)
dentex
<<

Rafa

KT-GrandMaster

Posts: 1427

Joined: Wed Jan 30, 2008 12:16 am

Location: México

Post Sun May 04, 2008 5:14 pm

OK, ok, clear!!

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