Guides

Installation, tutorials, and topic guides for OpenVCAD 3.x (attribute modeling).

• Installation
  • Quick Install (pip)
  • Recommended Setup
  • Optional: Install the Attribute Resolver
  • Getting the Examples
  • Getting the Source Code
  • Deactivating the Virtual Environment
• Getting Started with OpenVCAD
  • What You Will Learn
  • Prerequisites & Setup
  • Running the Examples
  • Lesson 1: Hello World
  • Lesson 2: Constructive Solid Geometry (CSG)
  • Lesson 3: Transformations
  • Lesson 4: Attributes
  • Lesson 5: Colors
  • Lesson 6: Volume Fractions
  • Lesson 7: The Node Hierarchy and Attribute Priority
  • Lesson 8: Coordinate Spaces
  • Lesson 9: Bringing It All Together
  • Visualizing Your Design Tree
  • Appendix: Attribute Expressions, Coordinate Systems, and Default Names
• Functional Grading Guide
  • Prerequisites
  • Setup
  • Running the Examples
  • Building Parametric Expressions with Python f-Strings
  • Coordinate Systems at a Glance
  • Lesson 1: Linear Gradients
  • Lesson 2: Non-Linear Gradients
  • Lesson 3: Periodic Gradients
  • Lesson 4: Multi-Axis Gradients
  • Lesson 5: Signed-Distance Gradients
  • Lesson 6: Cylindrical Coordinate Gradients
  • Lesson 7: Spherical Coordinate Gradients
  • Summary: Gradient Toolbox
• Python Functions for Attributes
  • What Numba Is
  • Prerequisites
  • When to Use Numba vs. Strings
  • Common Inputs
  • Lesson 1: FloatAttribute
  • Lesson 2: Vec4Attribute
  • Lesson 3: VolumeFractionsAttribute
  • Notes
• Math expressions in OpenVCAD
  • Coordinate systems
  • Arithmetic and assignment operators
  • Equalities and inequalities
  • Boolean operations
  • General-purpose functions
  • Trigonometry
  • Constants
  • Tips
• Compilers
  • Compiler comparison
• Attribute Conflict Resolution
  • The Problem
  • Lesson 1: Averaging Resolvers
  • Lesson 2: Min/Max and Mode Selection
  • Lesson 3: Volume Fractions Handling
  • Lesson 4: Custom Scalar Logistics via Numba
  • Lesson 5: Granular Vector Customization
  • Lesson 6: N-ary Conflict Reductions
• Attribute Modifier and Resolver Guide
  • Lesson 1: Manual Conversion with AttributeModifier
  • Why Add the Resolver
  • How adapt() Works
  • Lesson 2: Let the Resolver Handle a Known Path
  • Lesson 3: Start from Design Intent
  • Built-in Modules and Tags
  • J750 Modulus and Toughness Inverse Design
  • Practical Notes
  • Cross-compilation
• Working with Volumes in OpenVCAD
  • Mental Model
  • Lesson 1: Load a Density Volume and Render It
  • Lesson 2: Fire Volumes to Printable RGBA
  • Lesson 3: CT Head Scan to COLOR_RGBA
  • Where to Go Next