Grasshopper and Rhino: C# Scripting

Learn the fundamentals of C# programming in Grasshopper. Discover how to create custom scripts to power your Rhino and Grasshopper designs.

Introduction

• Pushing Grasshopper with C#
• What you should know

1. Grasshopper Setup

• The C# component
• Script editor structure
• Data access
• Object-oriented programming
• RhinoCommon
• Searching RhinoCommon

2. C# Basics

• Commenting
• Variables
• Numbers
• Strings
• Collections
• Arrays
• Comparing with operators
• Conditionals
• Logical operators
• Looping with the for loop
• Foreach looping
• Nested loops
• Methods
• Reference vs. value types
• Try and catch

3. Building Geometry

• Creating curves
• Transforming
• Surfaces
• Divisions
• DataTrees
• Paneling
• Splitting
• Recursion
• Baking

Conclusion

• Next steps