Wrong Gamma

[glorybound]

Periodically one of my slaves renders with the wrong gamma. it's intermediate and rebooting the slave's spawner solves it, but why is it happening? It's an easy fix, but after rendering all night just to see lighter boxes, is painful.

[Morbid Angel]

try blow away 3ds max prefs dir and see if that helps.

[glorybound]

stopping/starting the vray spawner worked, and now it's rendering correctly but it shouldn't happen.

try blow away 3ds max prefs dir and see if that helps.

[Pixelcon]

I get it happening every now and then. I don't know what causes it but it seems to happen when I cancel a render and re-start immediately. It's like the scene has failed to update or be sent over to the slaves for some reason. Annoying! If it's persistent then I just re-start my local copy of max and it seems to work...

It would be good to know why this happens...

[glorybound]

I get it happening every now and then. I don't know what causes it but it seems to happen when I cancel a render and re-start immediately. It's like the scene has failed to update or be sent over to the slaves for some reason. Annoying! If it's persistent then I just re-start my local copy of max and it seems to work...

It would be good to know why this happens...

yes. I guess the workaround is simple enough, but overnight renders and deadlines makes it a huge issue.

[Pixelcon]

Agreed. I ALWAYS wait around to watch my render kick off before heading home because of this issue but batch renders are another story... I can often spot the problem occurring during the IR pass which either means the IR map calc is the issue, or that we have a separate issue although it does appear like the slave is using the wrong gamma...

[tashko.zashev]

Do you use the option "Restart slaves on render end", which should help?

[glorybound]

yes. that is checked. I can start/stop dozes of times, usually without any issues, but once in awhile I'll get this issue.

Do you use the option "Restart slaves on render end", which should help?

[Pixelcon]

I'm exactly the same as above.

[tashko.zashev]

Hi,

Can you try to use "Reset" irradiance map button the next time you see this issue instead of restarting the render slave?
And let us know if this solves it.

[glorybound]

it's happening again, now! How do I reset the irradiance map?

Hi,

Can you try to use "Reset" irradiance map button the next time you see this issue instead of restarting the render slave?
And let us know if this solves it.

[glorybound]

I am using Brute force and Light cache

[tashko.zashev]

The "Reset" is next to the Irr Map "Mode" select option where you select - Single frame, Animation prepass ....
This will clear the irradiance map from memory.

[glorybound]

but I am not using Irr

The "Reset" is next to the Irr Map "Mode" select option where you select - Single frame, Animation prepass ....

[tashko.zashev]

Ahh sorry!
Ok, will make some tests here, i hope to be able to reproduce this.
Can you specify the V-Ray build that you are using now?