Grasshopper

algorithmic modeling for Rhino

Information

Octopus

Octopus is a plug-in for applying evolutionary principles to parametric design and problem solving. It allows the search for many goals at once, producing a range of optimized trade-off solutions between the extremes of each goal.

Also see octopus.E for custom evolutionary algorithms.

 

Download the latest version on food4rhino

It is part of a range of tools developed at the University of Applied Arts Vienna, and Bollinger+Grohmann Engineers.

 

  • search for single goal + diversity of solutions
  • search for best trade offs between 2 to X goals
  • improve solutions by similarity-goals
  • choose preferred solutions during a search
  • change objectives during a search
  • solutions' 3d models for visual feedback
  • recorded history
  • save all search data within the Grasshopper document
  • save a solution as a Grasshopper State
  • export to text or text files


Octopus introduces multiple fitness values to the optimization. The best trade-offs between those objectives are searched, producing a set of possible optimum solutions that ideally reach from one extreme trade-off to the other.

Based on SPEA-2 and HypE from ETH Zürich and David Rutten's Galapagos User Interface. Developed by Robert Vierlinger in cooperation with Christoph Zimmel, karamba3d.com and Bollinger+Grohmann Engineers.

 

To install:

  • Copy the .gha and .dll file into the Grasshopper components folder 
  • Right-click the file > Properties > make sure there is no "blocked" text
  • Restart Rhino and Grasshopper

 

Some examples are provided here

New commented examples and a brief manual are provided in the download of octopus on food4rhino.

Location: Vienna
Members: 420
Latest Activity: on Wednesday

Discussion Forum

Value list as input for Octopus

Just wondering if there is a way to set a 'value list' as an imput for Octopus, or an alternative way to do it. Thanks in advanceContinue

Started by José Manuel Parrilla López-Brea Oct 11.

Optimisation Goal 4 Replies

Hey everyone,I would like to know if you can add a certain constraint in Octopus that lets you give solutions that are "bigger as" or "smaller as".For example, I would like to get soltuions for a…Continue

Started by Jakob Grave. Last reply by James Jul 23.

Octopus cannot start computing - phenotype? too fast for loops? 3 Replies

Hello all, I am having a problem with figuring out why Octopus cannot compute anything. The case is sailing yacht's rig (mast, spreaders + steel lines) multicriteria optimisation. The 1st criteria…Continue

Started by Mikolaj P.. Last reply by Mikolaj P. May 10.

Structural Optimization 3 Replies

Good Evening to everyone,I'm writing here because I'm trying to optimize a girder bridge for my thesis.I'm trying to achieve the less expensive construction material, with the problem of satisfy…Continue

Tags: Octopus

Started by Leonardo. Last reply by Thomas Wortmann Dec 23, 2018.

Comment Wall

Add a Comment

You need to be a member of Octopus to add comments!

Comment by Ángel Linares on December 13, 2012 at 16:28

It looks very interesting! Let me give a try :)

Comment by John Sullivan on December 13, 2012 at 12:55

It's about time.  Galapagos is wonderful but this looks like it will be a lot more useful.  Nice work!

Comment by Robert Vier on December 9, 2012 at 4:11

it took some time for my project on food4rhino to be approved, but now it is there to download

Comment by Amaury THOMAS on December 6, 2012 at 10:11

Hello,
How are doing ?

I can' t download Octopus. The acces is denied.
Something could be done to fix that ?

Best

 

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