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Test for 0023838: Standard_OutOfRange in Geom_OffsetSurface::LocalDN (called by BRepFill_PipeShell) Test for 0023866: GccAna_Circ2d3Tan does not find a circle Test for 0023925: BRepFeat_SplitShape produces invalid shape Test for 0023942: Pipe algorithms unrobust to number rounding Test for 0025385: steep increase in tolerance by intersection Test for 0025395: SIGSEGV in BRepOffsetAPI_MakeThickSolid Test for 0025458: can a sweep be used to create 1-fold tori (using a closed wire as path) Test for 0025478: Fillets can not touch Test for 0025481: Edge must not contain obsolete curve representations Test for 0025515: Boolean operation become worse for unknown reason. Test for 0025521: Fillet creates shell with bad orientation of SubShape Test for 0025551: BRepMesh can produce internal nodes outside the face interior based on distorted BSpline surface Test for 0025586: Poor mesh quality, or failure of meshing for closed extruded surfaces with holes Test for 0025626: Loft of ellipses shows wrinkle near seam edge Test for 0025628: BRepMesh fails to mesh face with open wire, considered as correct by checkshape Test for 0025693: Wire of BSplines fails bopcheck Test for 0025730: result of MakeThickSolid aborts the BOPCheck in Geom_OffsetSurface::SetD0 Test for 0025738: BRepMesh fails to produce correct mesh for the face Test for 0025776: HLR returns intersecting edges in OutLineV of helical sweep Test for 0025798: BRepFeat_SplitShape returns invalid result Test for 0025817: crescent face is not meshed Test for 0025827: BRepMesh does not synchronize parameters of glued vertices on small edges Test for 0025837: Bad triangulation when IGES loaded in meters Test for 0025852: Text to BRep algorithm produces bad faces for circled symbols Test for 0025856: BRepOffsetAPI_ThruSections returns an invalid shape if one wire contains degenerated edges Test for 0025879: result of blend fails the bopcheck Test for 0025967: Shape Healing fails to correct a face with missing poles and pcurves Test for 0026052: Missing pcurves are computed incorrectly on two connected faces laying on the same surface Test for 0025061: BRepMesh should skip internal wires with self intersections to produce mesh for the shape anyway Test for 0024490: Computed surface properties differ substantially depending on NaturalRestriction flag Test for 0024568: Split shape produces an invalid result Test for 0024692: fuseedge corruption of spherical edge Test for 0024772: Intersection of cylinder and cone produces incorrect results Test for 0024954: BRepBuilderAPI_MakeFace adds wire with aribitary orientation Test for 0025104: Prism from BSpline curve can not be chamfered Test for 0025206: Fillet creates edge with C0 continuity Test for 0025979: fillet creates faces with non-closed wires Test for 0025983: Fusion of sweep and its mirror invalid Test for 0025994: Boolean fuse result in invalid result. Test for 0026034: Result of revolution aborts the bopcheck if translated Test for 0026077: nurbsconvert of psphere fails the bopargcheck Test for 0025989: toridial surface gets damaged in STEP export
Open CASCADE Technology ======================= This directory contains sources of Open CASCADE Technology (OCCT), a software development platform providing services for 3D surface and solid modeling, CAD data exchange, and visualization. Most of OCCT functionality is available in the form of C++ libraries. OCCT can be best applied in development of software dealing with 3D modeling (CAD), manufacturing / measuring (CAM) or numerical simulation (CAE). License ------- Open CASCADE Technology is free software; you can redistribute it and / or modify it under the terms of the GNU Lesser General Public version 2.1 as published by the Free Software Foundation, with special exception defined in the file OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT distribution for complete text of the license. Alternatively, Open CASCADE Technology may be used under the terms of Open CASCADE commercial license or contractual agreement. Note that Open CASCADE Technology is provided on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND. The entire risk related to any use of the OCCT code and materials is on you. See the license text for formal disclaimer. Packaging --------- You can receive certified version of OCCT code in different packages. - Snapshot of Git repository: contains C++ header and source files of OCCT, documentation sources, build scripts, and CMake project files. - Complete source archive: contains all sources of OCCT, generated HTML and PDF documentation, and ready-to-use projects for building on all officially supported platforms. - Binary package (platform-specific): in addition to complete source archive, it includes binaries of OCCT and third-party libraries built on one platform. This package allows using OCCT immediately after installation. Certified versions of OCCT can be downloaded from http://www.opencascade.com You can also find OCCT pre-installed on your system, or install it from packages provided by a third party. Note that packaging and functionality of such versions can be different from certified releases. Please consult documentation accompanying your version for details. Documentation ------------- Open file doc/html/index.html to browse HTML documentation. If HTML documentation is not available in your package, you can: - Generate it from sources. You need to have Tcl and Doxygen 1.8.4 (or above) installed on your system. and accessible in your environment (check environment variable PATH). Use batch file *gendoc.bat* on Windows or Bash script *gendoc* on Linux or OS X to (re)generate documentation. - Read documentation in source plain text (MarkDown) format found in subfolder *dox* See *dox/dev_guides/documentation/documentation.md* for details. Building -------- In most cases you need to rebuild OCCT on your platform (OS, compiler) before using it in your project, to ensure binary compatibility. Consult the file *dox/dev_guides/building/building.md* for instructions on building OCCT from sources on supported platforms. Version ------- The current version of OCCT can be consulted in the file *src/Standard/Standard_Version.hxx* Development ----------- For information regarding OCCT code development please consult the official OCCT Collaborative Development Portal: http://dev.opencascade.org