aistandardvolume when set to blackbody emission does not work

[Bryant4863]

I was trying to create a smoke and fire simulation with bifrost aero and when aistandardvolume emission was set to black body this is what arnold renders. its a weird ring of light around the perimeter of the simulation, i tried messing with various settings but i have gotten nowhere.

[sean.heasley]

Hi @Bryant4863 

Is there a light in your scene?

Also, if you change the emission settings around does that affect it at all?

[mspeer]

Hi!

This looks like clipping (values too high at center).

[sean.heasley]

Hi @Bryant4863 

Just wanted to check in to see how things were going. Are you still having this issue?

If your issue is resolved, please click Accept as Solution on the posts that helped you so others in the community can find them easily.

[Bryant4863]

hello, sorry for late reply, yes i am still having the issue i have messed with the settings for emission and when I clear the channel parameter it kinda fixes it but it has no emission, just smoke. I have a screenshot of the attributes before touching anything except for the blackbody selection

[sean.heasley]

Hi @Bryant4863 

Can you check the clipping values like @mspeer  suggested?

[mspeer · Accepted solution]

Hi!

Usually Maya attributes operate in the range from "0" to "1".

The values used and generated (and emitted by the bifrost emitter if using default values) are way to high here.

So use an other mode or channel, or simply reduce attribute "Temperature" which acts as multiplier (try "0.001").

[Bryant4863]

okay, where would i find this value at?

[Bryant4863]

okay, so i found the solution and it was exactly as you said thank you very much 🙂