First animation - epic fail

[Ky Lane]

Ok, so Ive dont some stills up for a client and they look great - theyre stoked. They want some nice animations of a flythrough, however just for kicks I let it render a few frames off last night.. and the result was - horrifying.

 

Any hints as to what to do next? My frames are already taking 20-25 mins a frame to render (although, soon Ill have 6 more CPU's on top of the 8 already to help out) - but Im kinda lost?

 

Thanks guys.

[Macer]

Can't help you with specific v-ray settings ie, lighting and sampling, (I use MR) but material settings are often overlooked. Make them as lean as possible and get rid of any displacement or hair & fur (replace with geometery).

 

I try to get render times (at 1280 x 720 res) down to 20 -30 mins per frame per core (old pentiums) ie, under 15 mins on dual core etc. This should be acceptale depending on the length of the animation.

 

Also use a few larger stills for fill between real motion - modify them in combustion or after effects to give the appearance of animation. Hope this helps.

[Ky Lane]

Thanks for that. Its a pretty intense scene, but I think my problem may be my vray light settings.

 

I have one huuuge Vray light aiming into the bay windows to simulate sun glow, hoeevr all the tutes Ive read suggest putting a small vray light INSIDE the window.... I might lose the 1 large light, and place individual vray lights inside each of the panes and see what happens..

[Justin Hunt]

Are you pre-calculating the lighting at a lower resolution first and every nth frame first?

 

Also image sampling can be a real killer, sometime its something you have to decide is the higher settings and longer rendertimes worth the wait.

 

Nice renders by the way, they have come out really great

 

jhv

[aarb]

Nice images, I like the chairs

 

Something I notice is the blotchy look on the carpet. Check that your glass table material has Affect Shadows turned on. It might clear that up.

 

Do you work for a company, or are you freelance?

 

Cheers,

Anthony

[jeandelessard]

mmm, what else do you have in that scene to be that huge in render time. It seems you use vray displacement for the little black carpet. Or is it Vrayfur. Do you really need it to look like that in the animation. Animation is not a still. reduce some settings.What is the output in dpi of your animation. In the 25 minutes render time, is the irradiance been include, and what about the light cache.

 

did you precalc them?

 

Send us the settings

[ipxstudios]

If you are using Vray displacement turn it off and try to fake the carpet. That will really cut the render times.

[Arnold Sher]

this scene should not take 25 minutes. We can set up the same scene in our studio and get that down to about 5-6 min with better lighting quality... There is blotchiness on the carpet and besides the carpet(which i suspect is the timng reason), the couch and the table you have nothing else. I would really also look at your materials as i think that also coulld add to your timing issues. Would be nice to see your setting as well...

[gerard]

this is just an observation, the background sky looks less bright then the light around the window.

[Macer]

Don't forget that you want the frames of an animation to blend together nicely - so you don't need the images to be as sharp as you do for stills. If they are, you will get a jerky look even at 25 frames per second. A 'softer' look should also help you reduce your render settings and therefore your render time.

 

Oh, and I forgot to mention before that I'm pretty sure the use of opacity maps slows things down too.

 

Maybe someone else can give you more advice on the best settings for lighting and sampling? I assume you've checked out week 14 & 17 from the visualization insider: http://www.cgarchitect.com/upclose/VI/default.asp

 

Good luck - keep us informed.

[Spooner04]

If those are evermotion materials, that's probably your first problem. If not, then good job on the materials but you might want to tweak them.

 

If you could post some screen shots of your lighting settings that would probably help everyone critique a little better. You would definitely want to render an irradiance map before you render your final frames, if you haven't done so already.

 

Displacement will kill your vray scene.

[landrvr1]

Ky, any chance you could:

 

1. zip up the scene and offer it as a download?

2. post a brief clip?

[Ky Lane]

this is just an observation, the background sky looks less bright then the light around the window.

 

Yes, its how the client wanted it - the view is apparently very important and void of realism.

[Ky Lane]

Ky, any chance you could:

 

1. zip up the scene and offer it as a download?

2. post a brief clip?

 

Ill try post up the images as a clip so people can see what Im doing (wrong). However the max file is >200mb at it stands. Its the entire apartment modelled - I just hide sections not viewable by the camera at the time.

[Ky Lane]

If those are evermotion materials, that's probably your first problem. If not, then good job on the materials but you might want to tweak them.

 

If you could post some screen shots of your lighting settings that would probably help everyone critique a little better. You would definitely want to render an irradiance map before you render your final frames, if you haven't done so already.

 

Displacement will kill your vray scene.

 

I have no displacement. Just alot of bump maps.

 

Ive tried using the fly-through light cache for the animation, but it just sits there for an hour then crashes.

[Ky Lane]

Nice images, I like the chairs

 

Something I notice is the blotchy look on the carpet. Check that your glass table material has Affect Shadows turned on. It might clear that up.

 

Do you work for a company, or are you freelance?

 

Cheers,

Anthony

 

Its my main concern at the moment - the blotchyness moves.

 

Im freelance.

[Ky Lane]

mmm, what else do you have in that scene to be that huge in render time. It seems you use vray displacement for the little black carpet. Or is it Vrayfur. Do you really need it to look like that in the animation. Animation is not a still. reduce some settings.What is the output in dpi of your animation. In the 25 minutes render time, is the irradiance been include, and what about the light cache.

 

did you precalc them?

 

Send us the settings

 

No displacement, the rug is VrayFur - but I might change that.

 

Feel free to share settings to "pre-calc" the ir and light cache - as I have no idea

[dinhtuan]

http://www.spot3d.com/vray/help/150SP1/tutorials_imap2.htm

Here ís the idea for Pre-calculate IR+LC

[mahorela]

I would suggest that your render settings are too high and that your not precalculating your GI. The less lights you have in your scene the quicker your renders will be, if you go throwing plane lights in your window spaces you are just adding more light subdivs and thus more render time. From what I know there is a relationship between material subdivisions, light subdivisions and AA subdivisions. Set your IR map to low with 50/20 settings, set your light cache to 1000, leave your material and light subdivs at 8 and set your adaptive subdivision AA to min2 max4. You should get fast clean results and if you prerender your GI (both IR map and light cache) your animations should be free from flicker and noise.

[Rconce01]

Brainkitts from this forum recommended this tutorial for my first vray animation which i think is great.

 

http://www.spot3d.com/vray/help/150R...ials_imap2.htm

 

you have to precalculate your primary and seconday gi then save it to a file and use it for the final animation. This prevents flickering or inconsistancisis ( i know i spelled it wrong) in the animation.

 

Hope the tutorial helps

 

Best regards-

Ralph

 

 

 

 

No displacement, the rug is VrayFur - but I might change that.

 

Feel free to share settings to "pre-calc" the ir and light cache - as I have no idea