From the course: V-Ray 3.0 for 3ds Max Essential Training

Unlock the full course today

Join today to access over 22,600 courses taught by industry experts or purchase this course individually.

How light cache works

How light cache works

From the course: V-Ray 3.0 for 3ds Max Essential Training

Start my 1-month free trial

How light cache works

“

- If Irradiance mapping can be set to take the prize as V-Ray's most widely-used GI engine in the Primary bounce slot, it is probably safe to say that Light Cache could make the same claim when it comes to being used as a Secondary bounce engine. Light Cache, like Irradiance mapping, is another view-dependent GI technique which means all of the same base limitations apply. The solution is calculated from the rendering camera's position and so if that camera is moved once the GI has been created, we will get holes or gaps in the lighting solution that can only be filled by recalculating the Light Cache all over again. If we do have animation in our scene, be that moving cameras, moving objects, or both, then we do again have a number of options in the Light Cache rollout that we can work with. In the Mode setting shotdown, we have Fly-through, From file, and Progressive path tracing modes along in the advanced UI with an option to use the Render camera's path when calculating GI, an…

Contents