Learning Blender: A Hands-On Guide to Creating 3D Animated Characters

Compositing Methods

While you can create a scene that is rendered exactly as you need it, it is usually faster to get something close to the desired result and then make the final modifications in the compositor. This method provides very quick feedback and making changes to the lighting and color with nodes, for example, is much faster than rendering the scene again. Sometimes, you need to render different elements in different layers and then combine them in the compositing. Maybe you just want to place a 3D object into a photo or real video, so you might need to mix your rendered 3D object with those images and adjust their colors so the lighting and contrast fit with each other. You can do such things in other software, such as Photoshop ...