Lagrange Release v6.21.0

Infrastructure

• 🏗️ CMake: Targets use FILE_SET to install header files
• 🏗️ CMake + MetaBuild: Export symbols when compiling as dll
• 🏗️ Support arm64 macOS in open-source CI
• 🐛 Fix for Apple clang 15.0.0

Dependencies

• 📌 Updated scikit-build-core to v0.8.2 (for python bindings)
• 📌 Updated tinygltf to v2.8.21
• 📌 Updated imgui to v1.90.4

Core Module

• 🎨 Updated unify_index_buffer to retain isolated vertices
• 🎨 Added static asserts to enforce correct SurfaceMesh and Attribute typing
• ✨ Added cast_attribute
• ✨ Added compute_seam_edges
  • 🎨 mesh_subdivision example uses this to improve mesh subdivision
• ✨ Added compute_greedy_coloring

Python bindings

• 🐍 Refactor create_attribute python binding
• 🐍 Added cast_attribute python binding

Lagrange scene and IO

• 🐛 Allow obj loader to load mesh without facets
• 🎨 Added scene::add<T>(…) methods
• 🎨 Changed image datastructure
• 🐍 Improved scene python bindings
• 🐍 Added python bindings for scene::Value

Lagrange python scripts

• 🐍 Lagrange python package now ships with commonly used scripts:
  • meshstat.py Check basic mesh statistics