From the course: Cinema 4D R18 Essential Training: Product Visualization and Design
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Working with subdivision surfaces - CINEMA 4D Tutorial
From the course: Cinema 4D R18 Essential Training: Product Visualization and Design
Working with subdivision surfaces
- [Instructor] A subdivision surface is a smooth representation of a coarser linear polygon mesh. Each polygon face is subdivided into smaller faces. You use subdivision surfaces when producing smooth, organic forms which can be shaped using relatively few control vertices. In Cinema 4D, the primary algorithm of the SDS object is Catmull–Clark, which was devised by Ed Catmull and Jim Clark in 1978. An SDS object needs a mesh. The points of the mesh are called the original points. To illustrate what is happening when we add an SDS object, we use the knife tool, and this simple plane, which has four polygons. I'm going to press k, k, to bring up the line cut tool. What happens is the SDS object will look at the faces and the edges, and then it'll add a point on the face using the average of these points here, all four points. The average of that would be in the middle. Then, each edge gets a point based on the average of the two neighboring points. There'd be a point here on the edge…
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