
The terminology can be a bit misleading here. With this background in mind we have a version of ambient occlusion in Blender that comes close to resembling an ambient light rather than an ambient occlusion as we know it. The quality of the light does not matter, it can still be considered ambient light. The ambient light influences the photos shot and can be both useful and a hindrance for the photographer. It can be daylight or artificially added light.

The photographer has limited control over the ambient light. It can also be thought of as the lighting starting point. When a photographer refers to ambient light, they mean light that is naturally added to a scene. Ambient light on the other hand is mostly used by photographers. What is the difference between ambient occlusion and ambient light?Īmbient Occlusion is a term used in digital 3D graphics to describe contact shadows. This is often a desirable effect to have, but as always, it depends on the artists goals and choices. When adding ambient occlusion into our scenes we often introduce more contrast between the detail areas where ambient occlusion becomes more prominent and plainer areas with less detail. As light fades away when it tries to get in between objects, Ambient Occlusion takes over and fades edges around and between objects into shadow. However, no shadow without light, so we can also think of Ambient Occlusion as the biproduct of soft light. It is most seen around detail and crevasses.

What is Ambient Occlusion?Īmbient Occlusion is the idea that where objects meet, less light will be able to find its way in and shadows appear in those areas. Let's see how Blender implements the different variations of ambient occlusion and how we can use them. But we can still add it as an effect even in these kinds of render engines. With the introduction of ray-traced render engines the realism is solved within the renderer itself. The effect was introduced to simulate more realistic shadows. Let's see how what and where ambient occlusion or AO as it is shortened is present in Blender and what we can do with it.Īmbient occlusion is an effect that can be used to add contact shadow in crevasses, detail areas or where different objects meet in a digital 3D world. Ambient occlusion comes in many shapes and sizes and it can be hard to understand what it really is all about.
