How To Change To Cycles Render In Blender 2.8

Denoising in LuxCore Render

Step 1 (Activate the Denoiser)

Check the Denoise Box, which you can find in the Properties panel > Render Backdrop.

Stride ii (Set Halt Conditions)

The LuxCore Return Engine, by default, runs forever.
The Denoiser but starts afterward the Render. Which is the reason you have to define a point at which the rendering procedure stops.
You can do that by checking the Box Halt Conditions, which you can find in the Backdrop panel > Return Properties.
By default, it volition Use Time, which ways the fourth dimension (in seconds) defines when the Return Stops. You lot can also alter this to Apply Samples where the Render runs until a specified corporeality of samples accomplished, like in Cycles Renderer. Alternatively, you can as well Use Noise Threshold at which the render stops depending on how noisy the Image is.

Stride 3 (Switch to Compositing Workspace)

In the Compositor you can set, what should happen with the Epitome after it has been rendered. Here, y'all want to denoise the image. Blender already prepare up a working space for Compositing, to which you can switch by clicking on Compositing at the top of the Window.

Step iv (Activate Compositing Nodes)

To actuate the Nodes in the Compositor, y'all need to click on Use Nodes.

Step 5 (Connect the DENOISED Output)

Connect the DENOISED Output of the Render Layers Node with the Prototype Input of the Composite Node to use the Denoised Image instead of the default Epitome equally your output.

To get back to the default Workspace, just click on Layout at the Meridian of the Window.