Open CASCADE, the 3D modelling kernel
3D modeling & numerical simulation


Open CASCADE Technology 6.3

Open CASCADE Technology 6.3 (Minor Public Release)

Open CASCADE S.A.S. is pleased to announce a new public minor release of Open CASCADE Technology (version 6.3). This release introduces over 170 new features, improvements and bug fixes, over minor public release 6.2. and maintenance release 6.2.1 (December 2007) exclusively available to the customers. Open CASCADE Technology has become more powerful and robust!

Main improvements in this version:
  • Open CASCADE tessellation algorithms (used for building triangulation of shapes in visualization) have been unified and improved
  • Next step in thread-safety: protection against concurrent construction / destruction of Handle objects
  • A new visualization library NIS (New Interactive Service) has been implemented
  • Objects serving as an intermediate layer between OCAF data attributes and high-level (e.g. GUI) code has been implemented
  • New supported platforms : Windows Vista, Mandriva2006, 2007, 2008, Debian Etch, Red Hat Enterprise 4.0
  • New supported compiler: gcc 4.0-4.2, Visual C++ 8.0

Visualization User Guide has been updated,

New User Guides have been written and added:
  • Voxels User Guide
  • OCAF TObj package User Guide
  • OCAF Function Mechanism User Guide

Detailed information is available in 6.3 Overview and Release Notes (PDF).

Please, feel free to contact us for more information.

Version 6.3 is available for public download from the Open CASCADE web site at:

Latest news
  • Open CASCADE CAD Assistant for iOS platform is available!
  • Open CASCADE Technology 6.9.0 is available for download!
  • JT Assistant for Android

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