Hello, I´m new to grasshopper and trying to understand how to use data trees. So I´d like to select a specific item in data tree. I want to use a component like List Item, but I´d like to type in the item like {0;0;0}[5] by using for example a Panel. [44433] I´ve tried the component Split Tree …

Split Tree preserves Data Tree structure of unselected items with place holders(null)for many reasons. You can get rid of these by using Clean Tree. Or, you can also try Cherry Picker. [Canvas%20at%2005%3B51%3B20] Split & Clean Tree.gh (10.6 KB)

I find that a combination of tree statistics, list item, and Tree Branch are pretty effective in traversing geometry that is in a structured tree format. You may also want to search for posts on Relative item/items to explore how to connect various points from 1 data branch, (could think of it as …

[2019-08-01%2023_06_41-Window] Maybe [Tree Branch] + [List Item] …?

[image] chanley: I find that a combination of tree statistics, list item, and Tree Branch are pretty effective in traversing geometry that is in a structured tree format. Me too. [vuTreeList_2017_Jan19a] vuTreeList_2017_Jan19a.gh (20.0 KB) Cluster vTrE: [vTrE_2017_Jan19a] Cluster vList:…

tree item does something similar [treeStat]

Thank you :slight_smile: I feel this is closest to what I wanted to achieve! Split Tree combined with Clean Tree. As you say, Clean Tree gets rid of the unnecessary values that I don’t want. Also, in your script you use an Expression component, but one can also use the Panel component. I can type …

Thank you to all answers! I´m happy that there are many different solutions for achieving the same thing. Different problems may need different solutions. Split Tree combined with Clean Tree. [4445541] You can see here that Clean Tree gets rid of the unnecessary values I don’t want so I can get …

Wow! That’s an “analogical” way to navigate trees! Next step what? Quantum stuff? I love grasshopper!

[image] maje90: That’s an “analogical” way to navigate trees! This tool has always been essential for me to visually inspect data trees. I use it all the time.

Select a specific item in data tree

Grasshopper

Joseph_Oster August 1, 2019, 9:45pm 5

Me too.

vuTreeList_2017_Jan19a.gh (20.0 KB)

Cluster vTrE:

Cluster vList:

vList_2017_Jan19a

Referencing data

Generative Building Elevations, form Curves and Massing

Trying to accurately select naked vertices

Sort starting point of Brep/curve?

Generative Building Elevations, form Curves and Massing

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Select a specific item in data tree

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