Super Delaunay plugin by Daniel González Abalde allows you to compute the power diagram on a set of weighted points and returns: weighted voronoi, minimum spanning tree, relative neighbourhood graph, nearest neighbor graph, urquhart graph, beta skeleton, primal and dual thickener and more.
To install (as usual with .gha files):
- Unzip file.
- Make sure SuperDelaunay.gha is unlocked, right click > Properties > Unlock (if visible).
- Copy and paste it in the Grasshopper Libraries folder, usually: C:\Users\<YourUser>\AppData\Roaming\Grasshopper\Libraries.
- Restart Rhinoceros and Grasshopper.
- Component is located at Mesh Tab > Triangulation panel.