Tried it and it renders ok. Can you share the test scene?

sven

 

From: [email protected] 
[mailto:[email protected]] On Behalf Of Chris Marshall
Sent: Friday, June 24, 2016 4:54 PM
To: [email protected]
Subject: Re: ICE and Mental Ray - seen anything like this?

 

It's something to do with the Slide on Surface compound.
I've managed to recreate the bug in a new scene. Something like this, if you're 
having a slow Friday afternoon, like most of us here in the UK!:-

Create and empty point cloud and emit some particles from geometry ie cube 
(dont move the cube). Create a grid (don't move that either) and use that as 
the surface for a Slide on Surface compound for the particle emission. Put a 
Simulate Particles node at the end of course. Step on to frame 2.

The render glitch happens when the emission object cuts through the grid, which 
in this scenario it does, and you make the Offset Distance in the Slide on 
Surface compound, anything but 0. Draw a render region.

That's it.

Chris



 

On 24 June 2016 at 14:51, Rob Chapman <[email protected]> wrote:

Wow, plotting particle cache and rendering that?

On 24 Jun 2016 16:08, "Chris Marshall" <[email protected]> wrote:

which makes no sense whatsoever!

 

On 24 June 2016 at 14:08, Chris Marshall <[email protected]> wrote:

I've narrowed it down to the Slide on Surface node.

Investigating further now.

 

On 24 June 2016 at 14:03, Chris Marshall <[email protected]> wrote:

I'm not using textures. This is just random coloured particles. Rendered on one 
machine.

 

On 24 June 2016 at 13:10, Sven Constable <[email protected]> wrote:

Are you using compressed tiffs as textures to drive the random colours? I think 
mr still doesn’t support them. Another thing might be switching from "Use from 
disk…"to "Load in Memory…" in the clip property of the textures. (unlikely 
though but I've seen buckets rendered differently across machines when it was 
not set to "Load in memory")

 

sven

 

From: [email protected] 
[mailto:[email protected]] On Behalf Of Chris Marshall
Sent: Friday, June 24, 2016 1:25 PM
To: [email protected]
Subject: ICE and Mental Ray - seen anything like this?

 

Hi All,

I have a very weird render glitch. OK I know I'm still using Mental Ray but I'd 
need to fork out a few thousand to get Arnold running here.

So I suddenly have an issue rendering a point cloud, image attached. Anyone 
seen anything like this before? I might need to rebuild it from scratch to see 
where the problem is.

Thanks

Chris

 

 

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-- 

Chris Marshall

Mint Motion Limited

029 20 37 27 57

07730 533 115

www.mintmotion.co.uk

www.dot3d.com

 




-- 

Chris Marshall

Mint Motion Limited

029 20 37 27 57

07730 533 115

www.mintmotion.co.uk

www.dot3d.com

 




-- 

Chris Marshall

Mint Motion Limited

029 20 37 27 57

07730 533 115

www.mintmotion.co.uk

www.dot3d.com

 


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-- 

Chris Marshall

Mint Motion Limited

029 20 37 27 57

07730 533 115

www.mintmotion.co.uk

www.dot3d.com

 

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