View Full Version : XDof for Mental Ray.

12 December 2004, 09:38 AM
"X-Dof v2.0 for Mental Ray released, supporting Maya and Softimage|XSI."

12 December 2004, 12:28 PM
this is excellent news! although the DOF in XSI's MR integration is already very nice, x-dof is extremely fast (at least it was in MAX when I last tried it out). im going to have to have a closer look at this...

cheers for posting!

12 December 2004, 04:05 PM
Waiting excitedly for a review... particularly on speed vs accuracy results and how does the Motion blur hold up. The only dissapointment on the "specs" sidd seems to be the transparency limitation, but passes can definitely overcome this.

12 December 2004, 10:30 PM
Excuse me, what this plugin do?

12 December 2004, 10:56 PM
:rolleyes: looks like someone didn't visit the link :)

it's basically a depth-of-field tool (DOF) for adding DOF to your scene. in case you don't know, DOF is a feature of photography where parts of an image are out of focus (decided by focal length and other settings of the "camera"). X-DOF is a real-world tool for simulating this effect accurately and quickly.

in short? it's very cool.

12 December 2004, 11:04 PM
Thanks for your explanation.

There is no hope I can simulate this effect with MR standart tools (in Maya)?

Anyway, I can't find any trial on there site, how can I test it (legally)?

12 December 2004, 11:12 PM
I'm not sure about Maya, since I don't use it, but I'm sure there's DOF in there somewhere. There's DOF in XSI's MR anyway. Best ask someone else I'm afraid.

But as for an X-DOF trial - I, too, would love to test it out before I buy, but there's no sign of one. Try calling them and asking to demo it - I'm sure they'd be happy to let you try it out.

12 December 2004, 12:13 AM
Yes Maya has two different forms of DOF, one for Mental Ray and one for the Maya Software renderer.

So it seems like the XDOF package contains an Output shader for the post-effect DOF and a Lens shader for the 'regular' slow DOF?

Because it says by using the Lens shader one you can still calculate the DOF of object seen through transparency.

03 March 2005, 02:36 PM
I there guys. I was wondering if any of you could help me. I'm using Xdof for one of my works, and the thing is, when I render the scene without xdof the antialias is just great. But when I activate xdof, in the areas of the image that are not defocused, where it should be focused, it just seems that it gets with very low antialiasing. the image gets very sharp in that areas. I've tried to tweak all of the attributes in xdof, smoothing, post process antialiasing, etc, and none of them solves the problem. Does anyone had the same problem? I'm using a Fstop of 0.4, and the lower the Fstop, the sharper the image, but I think the problem doesn't rely here. Well, just let me know if you could help me. By the way, I've used Xdof_output and Xdof_lens. Thanks in advance.

04 April 2005, 01:05 AM
Welcome to the shitty world of Z-depth.

04 April 2005, 01:38 AM
this is a little OT, but here's a MR zdepth shader that looks pretty sweet. Maya and XSI

04 April 2005, 08:17 AM
Make sure you render your output images in 16bit or higher format. Won't fix everything, but it will help some. Problem is most people forget/don't know to do that, you can also render double res for that pass and size down.

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04 April 2005, 08:17 AM
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