This release requires opencascade-7.9.3

Highlights:

• OpenCASCADE 7.9.3 and SWIG 4.4.1
• C++17 standard
• Python 3.13 and 3.14 support (Python 3.9 dropped)
• Tesselator performance: up to 37% faster exports, 50% less memory
• OpenGL Core Profile API for Qt6 integration
• Several memory leak fixes in SWIG typemaps and handle management
• Type stubs (.pyi) for Display and Extend packages

Details

• wrapper: upgrade to OpenCASCADE 7.9.3, bump SWIG to 4.4.1

• wrapper: bump C++ standard to C++17

• wrapper: add support for Python 3.13 and 3.14, drop Python 3.9

• wrapper: fix memory leak in TopoDS_Shape output typemaps

• wrapper: fix memory leaks in SWIG wrappers (FunctionTransformers, OccHandle)

• wrapper: add template for non-const byref handles, #1443

• wrapper: use Delete() method for occ handles

• wrapper: use builtin SWIG_Python_AppendOutput

• wrapper: refactored IOStream and exception catcher

• wrapper: wrap NCollection_List iterator

• wrapper: improve wrapper for NCollection_Sequence, iter method added

• wrapper: add docstrings and stubs (.pyi) for Display and Extend packages

• wrapper: fix type hints for Display and Extend packages

• wrapper: overall blackification (code formatting)

• tesselator: optimize ShapeTesselator speed and memory with C++17 idioms

• tesselator: switch from double to float for mesh vertices and normals, halving memory usage

• display: add OpenGL Core Profile API to Display3d

• display: add SetSRGBDisabled() to disable sRGB framebuffer

• display: extend selection mode with wires and shells

• display: don't draw seam edges in OCCViewer, #1413

• data exchange: add sew and make_solid options to STL importer for solid construction from 2d triangular mesh

• build: add DEBUG_MEMORY compilation mode

• build: fix macOS build (std::to_chars float compatibility)

• build: fix conda build issues (sysroot, OpenGL path, dylib warnings)

• ci/cd: use Windows 2022 in Azure pipelines

This release requires opencascade-7.9.0

• wrapper: upgrade to OpenCASCADE 7.9.0

• wrapper: add ReadFromString method prototype for memory increase protection

• display: fix x3dom renderer material id

• display: fix threejs renderer, json formatting

• data exchange: add binary/ascii option to gltf export

• data echange: fix return type when as_compound = False and there is a single shape

• wrapper: add SetDeviation and GetDeviation methods to ShapeTesselator class

• tesselator: fix constructor and return types

• tesselator: fix 'Standard_ConstructionError' when a shape has no geometry

• tesselator: tesselator: multiple coding improvements using Clang-Tidy recommendations

Bugfix release. This release requires opencascade-7.8.1

• wrapper: add support for SWIG-4.3.0

• wrapper: add numpy interface for curve and surfaces, #1381 #1396

• wrapper: add missing SelectMegr methods, #1387

• wrapper: add hash eq and neq methods to TShape, #1375

• wrapper: fix BRepTools.Merge, #1342

• wrapper: fix NCollection, #1332

• wrapper: fix TopTools_ListIteratorOfListOfShape import, #1355

• display: fix deprecation warning, #1386

• test: move test suite to pytest, #1335

• data exchange: fix gtlf importer

• install: fix windows dll import, #1347 #1351, #1352

This release requires opencascade-7.8.1

• wrapper: port to opencascade-7.8.1

• wrapper: support for python 3.12

• wrapper: unittests moved to pytest framework

• wrapper: fix const returned by reference, #1277 and related

• wrapper: fix istream and ostream swig wrapper, fix ReadStream and WriteStream for STEP files

• wrapper: Fix ShapeAnalysis::ConnectEdgesToWires wrapper, #745

• display: Fix tk zoom on Window, #1291

• display: Fix PyQt6 viewer, fix issue #1279

• jupyter: Fix wrong edge orientation in discretize_edge, #1275

• jupyter: fix redundant code in jupyter renderer

• wrapper: Fix ExtendedString unicode, #1278

This release requires opencascade-7.7.2

• wrapper: port to opencascade-7.7.2

• wrapper: bump swig version to 4.1.1

• wrapper: new wrappers for RWPly, Unitsmethod, XDE

• wrapper: handle TCollection_AsciiString, Standard_CString, TCollection_ExtendedString as
  python strings

• wrapper: pickle objects that provide json serializer

• wrapper: improve docstrings

• dataexchange: gltf importer/exporter, ply exporter, obj exporter

• display: support for PyQt6 and PySide6

• webgl: refactored threejs and x3dom renderer to stay sync with latest releases

• display: new tkinter renderer, making PyQt or wx GUI managers optional

• cmake installer: respect CMake install prefix

Version 7.7.0 - December 2022

This release requires opencascade-7.7.0

• wrapper: port to opencascade-7.7.0

Version 7.6.2 - August 2022

This release requires opencascade-7.6.2.

• wrapper: port to opencascade-7.6.2

• wrapper: improved support for enums

• MeshDataSource: new numpy based module for fast STL mesh loading (thanks @kleinsimon)

• LayerManager: new module (thanks @Tanneguydv)

• misc cleanup, typos, small fixes all over the code base

Contributors

• @kleinsimon
• @Tanneguydv

Version 7.5.1 - March 2021

This release requires opencascade-7.5.1

• wrapper: Port to opencascade-7.5.1

• build: fix compilation for old versions of cmake

• display: fix graduated trihedron rendering

• display: disable default antialiasing in SimpleGui

• webgl: upgrade to threejs r126

Version 7.5.0rc1 - February 2021

This release requires opencascade-7.5.0

• wrapper: Port to opencascade-7.5.0

• display: fix wxDisplay

• display: fix wrong Viewer3d initialization in OffscreenRenderer

• display: drop support for PyQt4 and PySide

• display: display OpenGl information by default in OCCViewer

Version 7.4.1 - November 2020

This release requires opencascade 7.4.0 or 7.4.0p1

• display: fix antialiasing in SimpleGui

• wrapper : refactored exception catcher reduce code duplication

• webgl : added a flask web server for ThreeJs

• wrapper : added stub .pyi files for type hints (e.g. mypy, PyCharm etc.)

• wrapper : small optimizations in Tesselator

• wrapper : added missing classes XCAFDoc_DimTolTool, BRepClass_FaceClassifier, Standard_Type,
  Standard_Failure, Prs3d_Point, Units_Quantity_, Units_Dimension

• wrapper : added support for class aliases defined as typedefs (e.g. BRepOffsetAPI_Sewing)

• wrapper : fix support for occt7.4.0p1

• wrapper : changed GetImageData to take width and height parameters

• misc cleanup, typos, small fixes all over the code base

Version 7.4.0 - February2020

This release requires opencascade 7.4.0

• jupyter : improved webgl display, added utility fonctions (abb, oobb, mass computation etc.), fixed edges display wrong line type (dash)

• display : added PySide2 to the backend list

• DataExchange : fixes step loader when more than one root

• DataExchange : added SVG exporter (possibility to render svg in jupyter)

• wrapper : fixed for Standard_Integer parameters returned by reference

• wrapper : improved wrapper for NCollection_DataMap

• wrapper : removed unnecessary %nodefaultctor swig directive, that prevent using default constructor for many classes

• demos : many fixes, improvements, and new examples

• lgtm and codacy quality fixes