IPR Camera

[glorybound]

Can you lock the viewport when using IPR? I want to move some trees to get a shadow to fall perfectly, but when I pick another viewport, it'll start rendering that viewport. I tried, but it doesn't seem to work.

[Alan Iglesias]

I think they're gonna add that in the next SP, Bobby...

Vlado can confirm...

-Alan

[glorybound]

That would be great! I was surprised it didn't work.

[Neilg]

the way i do stuff like this is switch the viewport to the sun, and then change that to orthographic - you can then use that view to figure out where shadows are going to fall and handle it all in the viewport.

[vlado]

Locking should work in 3.50.03. However I noticed that 3ds Max gets easily confused about which viewport the camera is locked to; there is something odd there generally.

Best regards,
Vlado

[Alex_M]

Locking should work in 3.50.03. However I noticed that 3ds Max gets easily confused about which viewport the camera is locked to; there is something odd there generally.

Best regards,
Vlado

Yes, Max is the culprit here. I'm always having problems with Max not rendering the locked viewport. Happens with or without using IPR (IPR does work perfectly with locked viewports as of 3.5). So yet another "feature" from Autodesk that needs fixing. Some day, maybe some day...

[Jiri.Matys]

Maybe its a stupid thing, but will be available IPR as a viewport window? Something like activeshade in viewport.

[dean_dmoo]

@ Bobby,

What you can do is select the tree, make the cam viewport active and then move the tree numerically. I use the same technique to adjust the camera position.

[vlado]

Maybe its a stupid thing, but will be available IPR as a viewport window? Something like activeshade in viewport.

Yes, eventually.

Best regards,
Vlado

[kosso_olli]

I think there is a general misconception among the 3dsMax users. Max locks the viewport, not the camera. So if you accidentally choose another camera, or orthographic or anything else in the locked viewport, 3dsMax will send that to the renderer. I do it this way: Two column layout. On the right is the locked viewport with the render camera. I never ever touch this. On the left is whatever I need.
Maybe that is why I don't get that problem with IPR. With the public release it is working fine for me in that regard.

[Deflaminis]

Locking should work in 3.50.03. However I noticed that 3ds Max gets easily confused about which viewport the camera is locked to; there is something odd there generally.

Best regards,
Vlado

Hello Vlado, I'd be happy to log this into the tracker at Autodesk. If there are any details you can give me I will include them into the case. I have seen this over the years and any extra info at all that could help would be great.

Best,
AJ

[vlado]

I guess part of the confusion for me comes from the fact that the "Render Setup" dialog always shows the viewport that was active when the dialog was opened, and not the viewport that the render is actually locked to. So if there are multiple cameras in the scene, when you open the "Render Setup" dialog you see one thing, but a different thing renders. This is not V-Ray specific.

1) Create some scene, set the lower-right viewport as active;
2) Open the Render Setup dialog and lock the viewport to the Perspective one.
3) Close the Render Setup, set the lower-left viewport as active and turn it into a camera view with some random camera;
4) With the lower-left viewport still active, open the Render Setup dialog.
5) Now the Render Setup shows the newly created physical camera as the "view to render" even though, if you actually do a render, it will render the Perspective viewport that we locked before.

So basically there is no real way to tell from the UI which camera the render is currently locked to.

Best regards,
Vlado

[glorybound]

Yes, that is what I am doing now, but just because I have to, I guess. it will be nice when locking the viewport works.

@ Bobby,

What you can do is select the tree, make the cam viewport active and then move the tree numerically. I use the same technique to adjust the camera position.