E: Data Structure in GH

Here you can find more information on the use of lists and trees in Grasshopper.

Data Structure

A List is composed of multiple Items. Each item has an index number assigned based on its order in a list.

A Tree is composed of multiple Lists, called Branches. Each branch has a number assigned to it.

The numbering provided allows extracting specific information.

---

List manipulation

There are different options for extracting information and modifying the order of Lists.

---

Tree manipulation

There are also multiple options to extract information from a Tree.

The tree structure can be manipulated with Flatten, Simplify, Graft, and Reverse trees.