We are pleased to announce the release of Added Value Components compatible with OCCT3D Open Source 7.9.0. This update delivers more than 100 enhancements and fixes since the previous release.

What’s New in Version 7.9.0

New Components

🔹 USD Exchange: New import/export component supporting:

  • Mesh data and primitives
  • Structure and transformations
  • UV nodes, names, colors, metadata
  • Animation data exchange

🔹 Mesh Decimal: New mesh reduction and optimization utilities

Data Exchange Improvements

✅ DXF/ACIS/RVM:

  • Updated unit scaling to consider system units
  • Improved parameter handling
  • Reorganized dependencies with TBB usage
  • Performance optimization

✅ PARASOLID Import:

  • Added new schemes (sch_35001, sch_35002, sch_35102, sch_36001)
  • Fixed arithmetic exceptions

✅ IFC Import:

  • Added support for materials

✅ DE Wrapper:

  • Extended all components to follow the DE_ style
  • Improved unit processing
  • Introduced DE Plug-in activation functionality

Development Tools

🛠️ C#/Java Wrapper:

  • Added support for .NET Core
  • Enabled builds on Linux
  • Extended wrapped classes (DE, DECascade, DEGLTF, DEOBJ, DEPLY, GCPnts)
  • Extended wrappings of the STEP and V3d toolkits
  • Improved wrapping of Aspect and Image classes

🛠️ Express Mesh:

  • Resolved issues with corrupted models
  • Enhanced winding number approach for classification
  • Improved handling of thin loops and zero-length links
  • Fixed cases with disconnected areas in results
  • Optimized facet building process

🛠️ Canonical Recognition:

  • Fixed SIGSEGV issues
  • Added optional ShapeBuild_ReShape parameter to retrieve exact modification history

🛠️ Collision Detection:

  • Fixed unreliable detection with bounding box trees
  • Improved intersection testing reliability

🛠️ Mesh Tools:

  • Added API to enable/disable collapses of non-adjacent vertex pairs

🛠️ CAM Library:

  • Performance optimization

📌 New GitHub Preview Repository

Visit our OCCT-Components repository for public previews and samples of commercial OCCT extensions.

📥 How to Get the Release

Open Cascade customers can download these components from the Customer Corner.

Interested in Open Cascade Platform or specific value-added components? Contact us for more information!

OCCT3D Added Value Components V7.9.0 Released illustration