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I have dialed the slider all the way up to 4.... And still the image is more grainy than I like... How do I improve the quality? I'm cool with the light and shadows, but how do increase the quality..
To improve general render quality, you should adjust the Shading Rate to about 0.2. I think the default is 1.0, and that is fine for most renders, but reducing that will help with quality.
If you are using Uber lights, that may be your problem. It requires higher settings, and therefore usually longer render times.
A fuller explanation of what you are seeing (with an image if possible), and also what lighting you are using in the scene would help. Also, an image of your Advanced Render settings too.
I have dialed the slider all the way up to 4
I went a ahead and made a quick adjustment to render setting (shading .2 )... Wow!! 34minutes into the rendering, and i'm still at 0% on the progress bar. Hopefully the pace picks up....
You can also turn up pixel samples to 12+ and raytrace depth to 8+. HIgher raytrace depth is important if you have reflective objects in your scene.
If grain and "static" is the problem then you might not have enough light on the objects in the scene. Use the spot render tool to check noisy parts of the scene and adjust lights accordingly. You can even just boost the intensity level of existing lights and that might help.
I am ususally the one asking the questions but since I had the same problem as you, I'll give it a shot. I am by no means an authority on the subject, but I'll tell you what worked for me.
First, as said by JimmyC, lower the shading rate. But maybe just to 0.5 or 0.4. That is suffiecient for me at least. 0.2 gives long render times.
Second: Increase Shadow Samples. Maybe to 30 or 35.
Third: Increase Pixel Samples to around 10
Usually its enough to lower the shading rate but adjusting the Shadow Samples and Pixel Samples is sometimes worth it.
Pixel Samples (X,Y) 16
Shadow Samples 32
Shading Rate 0.3
Pixel Filter Width (X,Y) 12 (only when using DOF)
Leave all other settings as they are.
I use these settings for final renders. Gives very high quality, but sometimes render times are looooong - especially with UE lights and/or some types of hair.