By default, Dynamo nodes run on the top level of nested lists. This video discusses how, if you need a node to look at the data one or more levels below the top level, you can use the List@Level feature instead of the List.Map node covered in a previous video.
- [Instructor] In the previous video,…we used the list map node to access a specific level…of a nested list that we wanted to run a nodes function on.…As we saw, the list map work flow is a little bit confusing…at first and takes some practice.…But fortunately, Dynamo has a feature…for working with nested lists that makes things much easier…called list @ level.…On the screen right now, you can see the same Dynamo script…that we had open at the beginning of the previous video.…Just like we did in the last video,…let's set out to retrieve the description…of every shelf type which we can find at index one…of each sub list coming from this rest of items node.…
Once again, let's drop in the get item at index node…and a number input node.…And set it up to get the item at index one.…Looking at our node preview, we see exactly…what we saw in the last video.…The node is returning the entire sub list…that lives at index one of our parent list.…Now instead of this outcome, we want the get item…at index node to run one nesting level deeper…
- Placing and connecting Dynamo nodes
- Working with data types and math functions
- Creating number lists and text strings
- Writing data to an Excel spreadsheet
- Filtering and sorting data
- Creating points, curves, surfaces, and solids
- Analyzing geometry
- Linking a Dynamo-driven SAT to Revit
- Placing Revit families with Dynamo
- Creating Revit views and sheets with Dynamo
Skill Level Beginner
Exercise files1m 21s
1. Getting to Know Dynamo
What is Dynamo?6m 9s
2. Working with Data
3. Constructing and Analyzing Geometry
Next steps2m 29s
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