See the attached updated example Grasshopper definition for this and more adjacency query ideas! ( PlanktonDemo.gh. See PlanktonTurtleDemo.ghx for an example.įor those seeking proof that the halfedge mesh above is correctly linked, check out the incident faces and 1-ring of an arbitrary vertex in the image below! The wireframe was generated from a PlanktonMesh which in turn was generated from the vertices and faces of the TurtleMesh. The mesh below was created in Rhino/Grasshopper with the help of Turtle's FromObjT component ( Stanford Bunny OBJ).

Improve adjacency queries with the addition of 'circulators' providing direct access to the loop which traverses the halfedges around a vertex or a face.Creation and linking of halfedges is handled internally to ensure mesh validity at all times. Add ability to add faces by the indices of their vertices.Project re-structured to improve clarity and future development.If you have any ideas for functionality that you would like to see in the project, please get in touch here or in the Grasshopper Plankton Group.

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