Shortest Walk Gh
(by giulio@mcneel.com)
The ShortestWalk add-on for Grasshopper exposes one component which, given a network of curves and a list of lines, calculates the shortest route from
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The ShortestWalk add-on for Grasshopper exposes one component which, given a network of curves and a list of lines, calculates the shortest route from line start point to line end points in a network.

It is based on a topology calculator and the A* search algorithm.

To install:

  • In Grasshopper, choose File > Special Folders > Components folder. Save the gha file there.
  • Right-click the file > Properties > make sure there is no "blocked" text
  • Restart Rhino and Grasshopper

Please let me know comments and ideas, and see also the Rhino ShortestWalk command. The source code for this command is published here.