Latest interior!

[bpozas]

This is the latest apartment interior I've done, I'm ok with the result but the time was ay to long, 42 hours with a dual xeon 2.4 1gb ram.

If anybody has any pointers to redouce time I'd appriciate it.

[didjaja]

42 hours with a dual xeon 2.4¡¡¡
Well, some advices:
Try to use photons, it reduce time very much
And of course,your glossy subdivision dont have to be higher than 5-8
Only with this ultimate the time will reduce very very much because I think you have your glossy subdivision at 50,what is default value

[carlosark]

nice render pozas !
the exterior are so cloudy....i like it

good job congratulation !!!!!!!!!!!!


.........y las chelas????
jajajajaja

[didjaja]

Vaya si creo que hablamos el mismo idioma bpozas,y yo hablando en ingles
Pues eso,que intentes usar fotones,que para interiores es la mejor opcion y despues baja las subdivisiones de los glossys a 5-8 que creo que las has dejado en 50 porque si no es inexplicable ese tiempo tan enorme con el ordenador que tienes
Un saludo

[carlosark]

mmm is a lot of time.....
what is the real size of the render???

[carlosark]

didjaja tiene razon, este render es como pa unas 6 horas jejeje
yo al glossy de 50 le pongo 10, y alomejor las vray lights tienen demasiadas subdivisiones no??
alomejor tambien tiene que ver

bueno..eso pienso yo, tu eres el master jejejeje
tambien alomejor usando interpolaciones (en los materiales con reflejos) puedas mejorar el tiempo

the displacement is great

[dusan]

AA, 1-2, its just too much, especially if you're using adaptive and have a lot of glossies. use -1 2 or -1 3. also check your lights for how many subdivisons they have, as well as your glossy materials.

[bpozas]

thanks for the comments, I'm using low glossy subdivisions, the aa is high but I didn't know it would take that long, the sizze is 2048 x 1333.

Do you guys know if using area shadows increases to much the render time?

[RoarK]

bpo dude, i really like ur work, u have a distinctive style.
my 2 cents which most already know...
- qmc sampler settings, most crucial quality/time settings.
- system > face coeff...make it 1 or 0.8.
- if file size is big, go to the bottom pink box in max and type "gc()". press enter. save file.(im missin coupla steps. dont rem )

probably its just AA, -1 2 will take care of ething as dusan mentioned.

also try this and see if it works for you...
i leave the clr/nrm threshold values at default 0.4,0.5 to save time, this gives me a blurry render i know...but nothing beats a photoshop sharpen more filter... might get some artefacts but those can be smoothened off easily.
also u neednt go for the catmull rom pixel filter...that might up render times too
cheers

[tom schuelke]

Well


if you use glossys and also softshadows, the antialiasing algorithm you use is defniteley wrong.

adaptive subd. is ment for very clean scenes, only hard shadows or shadowmappiing, now displacement, and also no glossy reflections.

if your scene is that way, this algorith by far is the fastest.

it analyses the edges of your objects and this way has to render much less in the areas where nothing happens. This is the analythical method.

glossys, softshadows and also displacement are pixelbased things. wherever you have such pixelbased effects, the analythical method of the adaptive subdivision algorithm try´s to analyse on every pixel because he dont know if it is an edge or not. (an edge could be reflected !), and so he analyses itself to death .

the method of choise now should be simple two level, that uses a way of undersampling for the antialiasing. this can save you half or a third of your rendertime depending of how many glossys, softshadows and displacement. We had a big scene with many many details, and softshadows, and after switching to simple twoo level, we came from 22 minutes to 8 minutes.

fixed rate, well is good for example when you use 1.457, and use the new vray framebuffer. when you use interactive exposuercontrol whith real rgb, simple two level wouldnt have set enough antialiasing samples in very bright areas. (this algorithm also takes this into account ), and when you turn down brightness, you soon would notice that while details get into those bright areas (as in hdri), there had been not enough antialiasing samples. in this only case and the case of excessive details, softshadows and also displacement, fixed rate could make sense and also get the fastest.

hope this helps a bit.


Tom

[tom schuelke]

Äh...

also for speed,

try to lower your glossy settings about 8 to 6 ?

switch on in your materials, no mor refl as 2 maybe only one for glossys, this can save much much time.

lower your shadow samples if you can. sometimes 8 allready is enough

at last !!! use the 1.457 ! interiors can be much faster with photonmapping for the calculation of secoundary bounces. but !
lightmapping is the method of choise. it can use all ! sorts of light, backroundimmages,and used for secoundary bounces can speed up your renderings up to 3 times ! thas the real boost.

[didjaja]

Bueno,viendo la resolucion a la que has lanzado el render el antialiasing como te dicen esta mal.Para esa resolucion alta con un -1 2.Pon un -5 -2 en el irradiance que tambien ira bien y sera mas rapido que el -4 -2 y bueno,no olvides las subdivisiones del glossy,con 6 vas bien.Y por ultimo como te han dicho tambien influye bastante las subdivisiones de las luces vray,no pases de 12 si no estas storandolas.Puedes cambiar tb el noise del qmc a 0.01 y si ves que los glossys te salen un poco granulados sube las subdivisiones a 8-10
Espero que con eso bajes unas 10 veces el tiempo
Saludos

[tom schuelke]

Hi you guys could you please try to do this in english ? i dont understand you.

maybe if you dont, jus do it as a privat message ?

if not i only will talk to you in German !

[natty]

Yes Tom is right ... Please keep it in a Language we all understand ...

[bpozas]

Tom,

thanks for the reply, the tips are working great.