OpenCASCADE is a suite for 3D surface and solid modeling, visualization, data exchange and rapid application development. It is an excellent platform for development of numerical simulation software including CAD/CAM/CAE, AEC and GIS, as well as PDM applications. . This package supplies data structures to represent 2D and 3D geometric models, as well as topological and geometrical algorithms. . This package contains the following shared libraries: TKG2d TKG3d TKGeomBase TKBRep TKGeomAlgo TKTopAlgo TKPrim TKBO TKHLR TKMesh TKShHealing TKBool TKXMesh TKFillet TKFeat TKOffset TKSTL TKXSBase TKSTEPBase TKIGES TKSTEPAttr TKSTEP209 TKSTEP