Questions for Professionals: Final rendering settings for print in Vray

[JayTee]

My question is, what kind of setting do you professionals use when rendering A4 and A3 size print quality architectural renderings? Do you have some regular Irradiance map, light cache, anti-aliasing and other settings you prefer?

 

This is not meant to be contest about who uses the highest values, but rather getting better idea what are the standard or preferred settings in this area. It´s probably good idea to mention what kind of computer you are using to put things in perspective.

 

Thanks in advance for any input on this.

[notamondayfan]

This is hard to answer, and basically my answer would be I will increase the settings until I have good trade off between render times and quality.

[sanmb]

Please find best v-ray settings on google,you can find standard and precise settings which wil help you.

If u have already done with this,can i see the settings u r using?and can i see the image?

so that i can help u.

 

Try

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

http://www.jamesshaw.co.nz/blog/?p=138

http://vray.us/vray_tutorials/universal_vray_15_settings.shtml

[JayTee]

Thank you Sanmb for the links. The images I am trying to render are not ready yet and unfortunately I couldn´t show them for clients privacy reasons anyway. I have a 32bit OS with 4GB of memory. (which I am planning to upgrade soon as possible.)

 

I am going to render interior images of large Banquet hall with lots of chairs and tables. These images are going to be A4 size with 300dpi. I have rendered these same images with web image quality earlier. At the time I used these settings:

 

- Image sampler: Adaptive DMC min 4 max 6

- antialiasing: Catmull-rom

- Color mapping: Enponential

- Indirect illumination: primary-Irradiance map multiplier 1,0 secondary-Lightcache multiplier 0,9

- Irradiance map: High, HSph.80 Interp.70

- Lightcache: subdivs 1500 interp.samples 10

- DMC sampler: adaptive amount 0,85 - min samples 16 - noise 0,01

 

Settings for materials and lights:

- Material reflection subdivs from 25-50

- Vray lights subdivs 40-60

 

Is it reasonable to use these same setting for print quality images? or is some setting unnecessary high or low?

Edited January 19, 2011 by JayTee

[sanmb]

Try this combination and see u can save much more time and get better result.

 

- Image sampler: Adaptive DMC min 4 max 6

- antialiasing: Catmull-rom

- Color mapping: Enponential

- Indirect illumination: primary-Irradiance map multiplier 1,0 secondary-Lightcache multiplier 0,9

- Irradiance map: Low, HSph.60 Interp.40- Lightcache: subdivs 1500 interp.samples 4- DMC sampler: adaptive amount 0,85 - min samples 08 - noise .005

Settings for materials and lights:

- Material reflection subdivs from 25-50

- Vray lights subdivs 40-60

[JayTee]

Thank you Sanmb for the tips. I tried them and the rendering time is now faster, but it still takes 20 hours to render. So I guess it still needs some tweaking. Any suggestions?

[sanmb]

well,

Sometimes,higher quality render takes time,depending on mesh,lights etc.

Thats what i can tell you......

You need to at least post jpeg,and the details where u think,it should manipulated,

someone should understand and everybody will help you.

Thats how it works on forum.

Good Luck.

[John Pruden]

I basically use whatever is going to yield a crisp print in the least amount of rendering time. For images up to 36" wide I'll render the image at 4500 pixels wide, which I think is 125 dpi. As for GI and AA settings, I use IR+LC. with IR set to -4,-2 with 30 subdivs. LC usually set at 600 subdivs. AA usually at 2,6. While some of the GI settings are lower than what some folks use for portfolio pieces on the forums, architectural clients are typically not that picky and don't even notice minor GI artifacts (if there are any).

[sanmb]

Hi Jussi,

Try this one,

If you can saperate files and xref them.

[JayTee]

Thank you everyone for the answers.

 

I ended up using these setting for the rest of the print images that I rendered:

 

- Size: A4 300dpi

- Adaptive DMC: min 2,max 5

- IR: low,HSph.subdivs 45, Interp.samples 35

- LC: subdivs 1400, Interp.samples 4

- DMC Sampler: Adaptive amount 0.85, Min samples 8, Noise 0.005

 

The renders turned out fine. Render times were between 12-20 hours. I guess I could have tweaked the setting much more if I had had the time.

 

Thanks again.