Comments

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  Parisa October 26, 2021 at 11:05am

  Hello Robert Vierequal%20size2.gh

  I use an octopus version 0.4 on Rhino version 13 in my project. When I use different One-objective and two-objective function three or four times and run the octopus, its speed slows down a lot. I used it with Rhino versions higher than 7, but it slows down again after 4 times clicking on octopus. Someone can solve my problem. The speed of octopus all versions is also very slow. Please help me. My goal is to reach equal sides of triangles. Is it a bug or Rhino or octopus or algorithm in grasshopper? Please help me. Thanks
• 

  yasloghmani August 16, 2019 at 2:37am

  Hi Robert. Can you help me with this simple example.I was able to get the longest line between the two lines with the Galapagos but with Octopus I could only get the shortest line.How do I find the longest line between two other lines with Octopus?thaky you very much
• 

  Dan Hou October 2, 2015 at 1:54am

  Hi Robert,

  I notice an very interesting function of Octopus that considers the users' preferences. This is useful in architectural form optimization problem. I'm now into the study with regard to the integration of preference into optimization algorithm. Could you give me any information about your approach in Octopus? I think your help will be important in my future study. Maybe I could use OctopusE to implement my approach if I have some advances. 

  Looking forward to your response. Thanks a lot.

  Best regards,

  Dan
• 

  Israa El-Maghraby August 11, 2015 at 5:30am

  Hello Robert any Chance you can help me with this issue

  The Octopus collapses over this error :

  Error in SPEA2 archive building when finding m_dist: Index was out of range. Must be non-negative and less than the size of the collection.
  Parameter name: index

  at System.Collections.Generic.List`1.get_Item(Int32 index)
  at GH_GA.GA.BuildSPEA2Archive(Genome[] oldInds, List`1& nonFront, List`1& front)

  Error: Index was out of range. Must be non-negative and less than the size of the collection.
  Parameter name: index
  InnerException:
  Source: mscorlib
  StackTrace: at System.Collections.Generic.List`1.get_Item(Int32 index)
  at GH_GA.GA.BuildSPEA2Archive(Genome[] oldInds, List`1& nonFront, List`1& front)

  I assigned 30 for population and 8 for generation 

  It usually collapses afetr finishing the first 30 population and when it starts the external 30 it collapses 

  I tried the whole process on similar case and it succeeded :/ , that is driving me crazy 

  Thanks in advance 
• 

  djordje August 14, 2012 at 9:29pm

  Hello Robert,

  Can you please take a look at this problem I am having with space truss.

  For some reason I am only getting null members, not compressional and tensional too.

  I posted files too.

  Thank you.
• 

  Najna Sorin September 21, 2011 at 9:26am

  Hi Robert,

   

  I am so sorry for disturbance, but can you help me with this karamba issue:

  http://www.grasshopper3d.com/group/karamba

   

  Danke :)
• 

  Itai Cohen March 10, 2011 at 3:33pm

  Hey Robert!

  Nice to see you here. We have an interesting project with Andrew in which I want to try some structural optimization. 

  Thanks for the link, I'd check it in the morning.

   

  Cheers,

  Itai.