I restarted DAZ Studio, and at that point, I did see the preview render using PMC. It’s not what I had expected, but with any test, there’s information in here. Turns out this was a mistake: it took my system about 47 minutes to render the scene, and all I had to show for it was a 23k black picture (see inset on the right – I thought I’d post it here for a laugh). According to the Windows Task Manager, my GPU was using about 1% during this render, while my CPU was using about 20-30%. This seemed a bit unusual, but perhaps there was a tick box I could have ticked and had forgotten. At first I thought it does not give me a real-time preview while it’s working. The third option takes the longest to render, and I’ve not had much look with it at all. Path Tracing, 500 samples – 02:20 Path Tracing, 1000 samples – 04:37 PMC While I don’t see any immediate definition changes, I find that Path Tracing renders slightly lighter than Direct Light, and more samples appear to make the image slightly brighter (most likely related to Global Illumination). To get a direct comparison to the Direct Light option, I’ve rendered the default and a pass with 500 samples. The second option came up with 1000 samples by default, and takes a bit longer to render per pass. I find that Diffuse gives a slightly more natural and brighter result, comparable to what we get with Path Tracing. We’re talking a 20 second variation here between the options. The impact on render time is negligible, but as you can imagine Diffuse takes the longest, while off is the most efficient. The diffuse option adds Global Illumination = off Global Illumination = Diffuse Here are the other two variations for completion.
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