Dual Mesh

Functionality

This node generates dual mesh for the given mesh. Dual mesh is defined as a mesh which has vertices at center of each face of source mesh; edges of the dual mesh connect the vertices, which correspond to faces of original mesh with common edge.

This node may be useful to convert the mesh consisting of Tris to mesh consisting to NGons, or backwards.

Note that the volume of dual mesh is always a bit smaller than that of original mesh.

Inputs

This node has the following inputs:

• Vertices. Vertices of original mesh. This input is mandatory.

• Edges. Edges of original mesh.

• Polygons. Faces of original mesh. This input is mandatory.

• Levels. Levels of Dual Mesh (recursion)

  

Parameters

• Keep Boundaries - Keep non-manifold boundaries of the mesh in place by avoiding the dual transformation there. Has no influence if Levels==0

  

  This parameter can do strange results sometime:

  

Outputs

This node has the following outputs:

• Vertices. Vertices of the dual mesh.

• Edges. Edges of the dual mesh.

• Polygons. Faces of the dual mesh.

• Levels. Repeat Levels input. For your convinience to use it as a Number node.

Examples of Usage

Dual mesh for lowpoly cylinder:

• Viz-> Viewer Draw

• Scene-> Get Objects Data

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Dual mesh for Voronoi diagram is Delaunay triangulation:

• Generator-> Plane

• Transform-> Randomize

• Modifiers->Modifier Change-> Voronoi 2D

• Modifiers->Modifier Change-> Fill Holes

• Viz-> Viewer Draw