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Procedural 3D Modeling Using Geometry Nodes in Blender

You're reading from   Procedural 3D Modeling Using Geometry Nodes in Blender Discover the professional usage of geometry nodes and develop a creative approach to a node-based workflow

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Product type Paperback
Published in Mar 2023
Publisher Packt
ISBN-13 9781804612552
Length 282 pages
Edition 1st Edition
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Table of Contents (23) Chapters Close

Preface 1. Part 1 – Familiarizing Yourself with the Node System
2. Chapter 1: An Introduction to Geometry Nodes FREE CHAPTER 3. Chapter 2: Understanding the Functionality of Basic Nodes 4. Chapter 3: Must-Have Add-ons for Building Node Trees 5. Part 2 – Creating a Mesh in the Geometry Node System
6. Chapter 4: Making Use of Node Primitives 7. Chapter 5: Distributing Instances onto a Mesh 8. Chapter 6: Working with the Spreadsheet in Blender 9. Chapter 7: Creating and Modifying Text in the Geometry Node Editor 10. Part 3 – Modifying Meshes and Curves in the Geometry Node System
11. Chapter 8: Editing Curves with Nodes 12. Chapter 9: Manipulating a Mesh Using Geometry Nodes 13. Part 4 – Hands-On Projects Involving Advanced Workflow Techniques
14. Chapter 10: Creating a Procedural Plant Generator 15. Chapter 11: Creating a Procedural Spiderweb Generator 16. Chapter 12: Constructing a Procedural LED Panel 17. Part 5 – Best Practices to Improve Your Workflow
18. Chapter 13: Tips and Tricks for the Geometry Node Editor 19. Chapter 14: Troubleshooting the Most Common Problems in Geometry Nodes 20. Index 21. Other Books You May Enjoy Appendix: Important Shortcuts

Utilizing group inputs

In this section, we will add group inputs to our node tree. These can be handy when you want to distribute the node tree to other users so that they can easily access your variables. We’ll be adding group inputs to the most important variables in the node tree.

What inputs will we include?

The inputs that we will include are as follows:

  • The End Z value of the Curve Line node, which we’ll call Plant Height
  • The Count value of the second Resample Curve node, which we’ll call Leaf Count
  • The Max value of the Random Value node, which we’ll call Leaf Rotation
  • The Count value of the first Resample Curve node, which we’ll call Stem Resolution

Let’s start implementing these group inputs!

Plant Height

First, let’s implement the Plant Height group input:

  1. To implement the Plant Height group input, we first need to utilize a Combine XYZ node to split the X, Y, and Z values of the...
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