Translations:Third Party Libraries/83/en

OCCT is a big and complex set of C++ libraries that provide functionality required by a CAD application:
 * A complete STEP compliant geometry kernel.
 * A topological data model and needed functions to work with shapes (cut, fuse, extrude, and many others).
 * Standard import and export processors for files like STEP, IGES, VRML.
 * A 2D and 3D viewer with selection support.
 * A document and project data structure with support for save and restore, external linking of documents, recalculation of design history (parametric modeling) and a facility to load new data types as an extension package dynamically.