Perform operations on values of one Tree based on the values' pattern of another.

Hi All,

I have 2 trees that have the same structure and I want to manipulate the values of one tree as per the values or pattern of another one. In the image attached, I want to average the values in the first tree that are paired with the same value in tree 2, and keep the tree structure in terms of branches intact.

ex: in branch{0:291;2}, the values @ indices 0 and 1(115.xx,116.xx) in tree 1 have the same value of 0 at tree 2, so these should be averaged. While the value @ index 2 is solo and thus is going to remain the same.

I hope that the question is clear.

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Replies to This Discussion

Permalink Reply by Arend on August 20, 2014 at 1:55am

Do you have an example GH file?

Permalink Reply by Danny Boyes on August 20, 2014 at 2:15am

If its only 0 and 1 then you can use this as a Boolean pattern for Dispatch and then pass each resulting output through an Average component before Merging them back together. If its more i.e. 0,1,2 and 3 then Sift Pattern instead of Dispatch

* I should have generated random seeds so that the answers aren't all the same but hey ho

Permalink Reply by Faisal Barazi on August 20, 2014 at 7:11am

Thanks Dany. I managed to do it with a ghpython component. Both x and y are set to 'list access'. Not the best way to use dictionaries but it does the job.

Permalink Reply by Danny Boyes on August 20, 2014 at 8:29am

2 things:

1) you should verify your answers because I don't think they are correct.

2) it is slower than the GH method I showed above. (but as it is only 2% of your total processor time it probably doesn't matter)

Permalink Reply by Danny Boyes on August 20, 2014 at 1:25pm

do you ever have more than 2 of a similar ray? if so then your method gets the average of the first two rays and then the average of that average and the next ray.

If not it won't matter.

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