How to do a render region?

[Christopher3D]

Another newbie question. How do you do a render region? I've been going through a couple of the getting started tutorials, and they say, 'do a render region' but never say how.

I've tried holding modifier keys like Control, Option, etc., and only end up crashing Modo.

[neverko]

The V-Ray region render tool is the blue teapot with the red rectangle, right above the frame buffer window.

[Christopher3D]

Ah thanks, I did a bunch of searches in the online help and couldn't find that.

[vladimir.nedev]

You can also use the MODO render region tool, then you can specify the region in the OpenGL viewport.
The VFB render region overrides the MODO one, when enabled.

If the crashes happened while clicking in the VFB, it will be helpful if you give us steps to reproduce them.

Greetings,
Vladimir Nedev

[GidPDX]

Does Vray have an option to track an object and use it's bounding box as the region for animations?

This is one of the very few things I miss from mental ray.

[vladimir.nedev]

Does Vray have an option to track an object and use it's bounding box as the region for animations?

This is one of the very few things I miss from mental ray.

I guess you can use the render mask for this purpose, when I add it.
It renders the objects exactly, not a projection of their bounding box.

Greetings,
Vladimir Nedev

[GidPDX]

Ah, I should have been more specific. I would often setup an object that was just for the render region- this would be hidden from camera and all rays etc. This would define the render region, but things inside it would render as normal.

So say you had a trouble spot on a eye socket or something that needed some more attention refinement. You could parent a cube or sphere to the head and then use that to track the area when you re-rendered.

Not a huge deal, just a nice little thing to have.