Learn how data flows in nested lists through components in Grasshopper. This tutorial shows how to manage the data tree, as well as how to use the Param Viewer and how to use the Panel component to visualize data flow.
- [Instructor] In this chapter, we'll work through…several examples that rely on managing the data tree…as it flows through our Grasshopper definitions.…Back in chapter six of the Learning Grasshopper course,…we covered in-depth working with lists and the data tree.…I'd highly recommend watching or re-watching those videos,…but in this video, I'd just like to do a little crash course…reviewing how components handle multiple lists…at the same time.…So I've got a blank Rhino file open.…And the exercise file 0010-tree-basics.gh…open in Grasshopper.…And in this example, I've got three simple curves…internalized into a geometry parameter.…
And I'd like to take a look at how the data is flowing…from this parameter,…so I'm going to go ahead and connect it…to a divide curve component.…You can see what happens in the Rhino window.…Each curve is divided into a set of points.…And I can control the number of segments,…which determines the number of points,…through the divide curves count parameter.…So I'll set this, to say, four for now.…
Author
Chris Reilly
Updated
10/26/2018Released
10/25/2017By the end of the course, you'll see how even basic literacy in Grasshopper can be applied to developing projects for art, manufacturing, architecture, and design.
- Working with algorithms
- Modeling a base profile
- Extruding elements
- Finishing an algorithm
- Planning for mass production
- Customizing Grasshopper
- Scripting with Python and Visual Basic .NET
- Modeling data with Ladybug
- Creating a tiling grid
- Tiling 3D objects
- Using reflection symmetry and mirroring to repeat tile
- Tessellating tile in any direction
Skill Level Beginner
Duration
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Introduction
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Welcome49s
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What’s new in Rhino 61m 39s
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1. Algorithmic Thinking
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Working with algorithms2m 34s
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Iteration and recursion5m 37s
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2. Modeling a Musical Instrument
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Introduction and file setup3m 41s
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Modeling the base profile6m 51s
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Modeling the top profile6m 15s
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Extruding the frets8m 29s
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Extruding the solid base8m 40s
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Extruding the solid top3m 41s
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Finishing the algorithm5m 12s
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Planning for mass production4m 39s
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3. Customizing Grasshopper
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Clusters9m 23s
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Add-ons and plugins2m 4s
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Python scripting10m 53s
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Visual Basic .NET scripting15m 27s
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4. Modeling Climate Data with Ladybug
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Vector review6m 31s
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Shadow study with Ladybug8m 36s
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Aligning shapes to vectors10m 28s
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5. Tiling and Tessalation
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Data tree review7m 47s
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Adding offsets for tiling7m 54s
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Tiling 3D objects12m 35s
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Truchet tile fundamentals3m 48s
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6. Simulation and Form-Finding with Kangaroo
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What is Kangaroo?1m 32s
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Installing Kangaroo5m 10s
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Exploring Kangaroo basics6m 20s
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Multi-goal simulations8m 14s
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Simulating tensile meshes3m 54s
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What are grid shells?1m 7s
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Simulating grid shells7m 3s
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Flexible anchor points8m 47s
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Measuring tolerances5m 48s
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Form-finding with Kangaroo4m 48s
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Conclusion
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Next steps54s
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Video: Data tree review