As with all Poser testing, I advise not testing with a figure and hair.

Place a few scaled boxes around to form a 2 or 3-sided room,. Add a roof. Place a sphere and/or an unsaled box in the middle. Use one spotlight. Render small, like 300 by 300. You will iterate 20 times faster with this approach.

Be sure to set the materials on the props so that Diffuse_Value = 75 to 80%. Try white materials, first. Then try making a wall red, or the ball red. See what happens

Experiment with number of bounces = 0, 1, 2, 3, 4

Experiment with IC = 0, 10, 20, 40, 80, 100

Experiment with ILQ = 0, 4, 7, 10, 20, 40, 80, 100

Save each image, label it, and record the render time with it.

You will get many more bad results than with SR1, but you will be learning how things work, and what render settings you're simply not willing to go to because of speed.

Then, add a semi-transparent one-sided square somewhere and do it all again.

I've been doing stuff like this for weeks. I'm still not fully aware of all the implications to quality of lighting, shadows, and render times. But I gave up on studying much more than I did, because SR1 is changing the quality factor so much. I didn't worry too much about getting quality with the first version. I just wanted to understand the parameters.

After you get to know the basics, use D3Ds Render Firefly dialog to get access to more parameters, like Sample Size, Num Samples, etc.

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Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)