In this tutorial we delve deep into the Global Illumination and Environment system featured in Turtle 4.1
It takes some time with any rendering software to get to the point where you’re confident in setting up a beautiful render. This tutorial will attempt to provide you with lots of shortcuts that can help you get really nice renders in Turtle and lay out a good workflow for lighting many different types of scenes. You’ll also find in-depth technical notes on a lot of the components and concepts included in Turtle’s Global

Illumination and Environment system. You can work through the examples without reading the technical notes if you wish, but be sure to look at them for reference later if needed. The first example we’ll look at is an indoor/studio setup of an espresso cup on a table. Open the demo scene espresso.mb.

The model should look pretty rough, we’re using Turtle’s builtin subdivison surface option for speed. Go ahead and render a frame and you should see a smoother cup, although there’s no Global Illumination going on yet so it’s pretty black.

Download pdf Advanced Lighting Tutorial