rendering a scene with reflective materials are killing me

d7man2000 · February 2nd, 2006

how can I reduce the rendering time when I have reflective materials?

diegofer_9 · February 2nd, 2006

If you are using VRay, you can turn off reflections in the Global Switches Tab. If you are using Scanline, I dont know if there is a way.

MandelbrotJr · February 2nd, 2006

A wise use of User Interpolation can decreate your render times A LOT without a major visual impact. Play a bit with the values...

ecastillor · February 2nd, 2006

reflections are usually a breeze for vray...except for blurry refs...check your glossines value....1 is no blur....ans the less you go is more blury...if thats the case, try reducing the subdivs in your material

alfienoakes · February 2nd, 2006

Eduardo is on the money with blurry ref's ..

Take the sub divs right down to about 5, think the default is 50.

Then work upwards from there..

Andy

d7man2000 · February 2nd, 2006

i reduced everything to minimum, subdivision to 1, max rate to 0,

it is still same thing, I want to create a flyby animation of the building and I have a rendering farm at work but still 1 frame takes too long with all this reflection. I did it with Mental Ray and it was quick. Now I do same thing with Vray and it is taking forever, I can't imagine how long it would take with only one processor computer.

I think interpolation would be the only solution
MandelbrotJr,
Can you tell me what setting you would have ?

thanks guys.

Sawyer · February 2nd, 2006

You may need to post a more detailed example like scene settings, material settings. Keeping the material subs at 8 and refl glossiness at 1 should be pretty quick. What are the render times that you have now?

d7man2000 · February 2nd, 2006

about 25 minutes

MandelbrotJr · February 2nd, 2006

I agree with Sawyer, if you are using refl glossiness at 1 VRay should render the frame really really fast as it just raytracing.
What are this relective surfaces actually reflecting ?

Sawyer · February 2nd, 2006

Post what you have and we will look at it.

February 2nd, 2006	#1 (permalink)
d7man2000 Senior Member Join Date: May 2004 Location: nj Posts: 188 Name: kris kopec	rendering a scene with reflective materials are killing me how can I reduce the rendering time when I have reflective materials?

February 2nd, 2006	#2 (permalink)
diegofer_9 Member Join Date: Aug 2004 Location: New York Age: 33 Posts: 91 Name: Diego Otero	Re: rendering a scene with reflective materials are killing me If you are using VRay, you can turn off reflections in the Global Switches Tab. If you are using Scanline, I dont know if there is a way.

February 2nd, 2006	#3 (permalink)
MandelbrotJr Junior Member Join Date: Apr 2005 Location: Buenos Aires - Argentina Age: 30 Posts: 18 Name: Martin D'Elia	Re: rendering a scene with reflective materials are killing me A wise use of User Interpolation can decreate your render times A LOT without a major visual impact. Play a bit with the values...

February 2nd, 2006	#4 (permalink)
ecastillor Veteran Member Join Date: Jul 2004 Location: monterrey Posts: 851 Name: eduardo castillo	Re: rendering a scene with reflective materials are killing me reflections are usually a breeze for vray...except for blurry refs...check your glossines value....1 is no blur....ans the less you go is more blury...if thats the case, try reducing the subdivs in your material

February 2nd, 2006	#5 (permalink)
alfienoakes Veteran Member Join Date: Sep 2005 Location: England, West Sussex Age: 39 Posts: 832 Name: andy wiggins	Re: rendering a scene with reflective materials are killing me Eduardo is on the money with blurry ref's .. Take the sub divs right down to about 5, think the default is 50. Then work upwards from there.. Andy __________________ Andy Wiggins MAKING COFFEE. Making a cup of coffee is like making love to a beautiful woman. It's got to be hot. You've got to take your time. You've got to stir... gently and firmly. You've got to grind your beans until they squeak. And then you put in the milk. Swiss Tony.

February 2nd, 2006	#6 (permalink)
d7man2000 Senior Member Join Date: May 2004 Location: nj Posts: 188 Name: kris kopec	Re: rendering a scene with reflective materials are killing me i reduced everything to minimum, subdivision to 1, max rate to 0, it is still same thing, I want to create a flyby animation of the building and I have a rendering farm at work but still 1 frame takes too long with all this reflection. I did it with Mental Ray and it was quick. Now I do same thing with Vray and it is taking forever, I can't imagine how long it would take with only one processor computer. I think interpolation would be the only solution MandelbrotJr, Can you tell me what setting you would have ? thanks guys.

February 2nd, 2006	#7 (permalink)
Sawyer Veteran Member Join Date: Jun 2002 Location: CA Age: 34 Posts: 1,563 Name: Sawyer Fischer	Re: rendering a scene with reflective materials are killing me You may need to post a more detailed example like scene settings, material settings. Keeping the material subs at 8 and refl glossiness at 1 should be pretty quick. What are the render times that you have now?

February 2nd, 2006	#8 (permalink)
d7man2000 Senior Member Join Date: May 2004 Location: nj Posts: 188 Name: kris kopec	Re: rendering a scene with reflective materials are killing me about 25 minutes

February 2nd, 2006	#9 (permalink)
MandelbrotJr Junior Member Join Date: Apr 2005 Location: Buenos Aires - Argentina Age: 30 Posts: 18 Name: Martin D'Elia	Re: rendering a scene with reflective materials are killing me I agree with Sawyer, if you are using refl glossiness at 1 VRay should render the frame really really fast as it just raytracing. What are this relective surfaces actually reflecting ?

February 2nd, 2006	#10 (permalink)
Sawyer Veteran Member Join Date: Jun 2002 Location: CA Age: 34 Posts: 1,563 Name: Sawyer Fischer	Re: rendering a scene with reflective materials are killing me Post what you have and we will look at it.

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