github Open-Cascade-SAS/OCCT V7_7_1

latest releases: V7_8_1, V7_8_0, V7_7_2...
18 months ago

This maintenance release fixes the following critical problems (see also Release Notes):

  • 33171: Modeling Algorithms - The compound with the few solids connected through shared faces becomes invalid after same domain faces unification
  • 32977: Data Exchange – Can’t read STEP color correctly for the referenced root label
  • 33170: Modeling Algorithms - Checking for canonical geometry: plane detection problems
  • 33144: Modeling Algorithms - Wrong result of Shape Proximity
  • 33187: Modeling Algorithms - Crash in postprocessing of imported shape
  • 33173: Modeling Algorithms - BRepExtrema_DistShapeShape causing Standard_OutOfRange exception [Regression]
  • 26441: Modeling Algorithms - BRepOffset_MakeOffset affects original shape
  • 33179: Modeling Algorithms - Crash in ShapeFix_Shape with the attached object, when healing for fixing SameParameterFlag
  • 27122: Data Exchange - Invalid shapes are produced during model translation due to huge face tolerance when importing STEP [Regression]
  • 33193: Modeling Algorithms - UnifySameDomain raises SIGSEGV [Regression]
  • 32818: Modeling Algorithms - Result of sweep operation is invalid
  • 33217: DRAW - Debug tools DrawTrSurf_Set, DrawTrSurf_SetPnt and DrawTrSurf_SetPnt2d cannot be used in some environments
  • 33180: Modeling Algorithms - Crash while using Build() on BRepOffsetAPI_ThruSections class
  • 32934: Modelling Algorithms - BRepExtrema_DistShapeShape returns two solutions instead of one
  • 22821: Modeling Algorithms - Crash of BRepFilletAPI_MakeFillet related to high value of ChFi3d_Builder::tolesp parameter
  • 33156: Modeling Algorithms - Planar face creation problem
  • 31865: Mesh - triangulation fails with large deflection values due to unhandled Standard_OutOfRange, BRepMesh_PairOfIndex::Append()
  • 33228: Data Exchange, DE Wrapper - Make the document argument of the method Read const handle
  • 33230: Data Exchange, DE Wrapper - Update API to find CAD provider
  • 33232: Data Exchange, DE_Wrapper - Implement ability to change global session
  • 33218: Data Exchange - XCAFPrs_Texture does not allow to use classes inherited from Image_Texture
  • 33250: Configuration - Missing Limits header file
  • 33235: Configuration - Solving the problem with static building of ExpToCasExe
  • 31919: Modeling Algorithms - General Fuse raises exception on attempt to imprint a contour to a shell
  • 30781: Modeling Algorithms - Sweep algorithm creates non-planar edges (orig. BOPAlgo_MakerVolume fails to build a solid)
  • 33244: Modeling Algorithms - Surface-surface intersection produces the double curves
  • 33265: Modeling Algorithms - Boolean operation hangs on the attached shapes
  • 33247: Modeling Algorithms - BOP report small edges problem and produce empty result
  • 33304: Modeling Data - Floating point signal when converting a B-spline curve to analytical form
  • 33305: Coding - BOPTools_PairSelector::Clear() method uses "Clear" instead of "clear" on std::vector
  • 33315: Mesh - BRepMesh_IncrementalMesh takes forever to finish (ends up with system memory)
  • 33311: Modeling Algorithm - No results of thrusection algorithm
  • 33312: Data Exchange - NULL-dereference in StepToTopoDS_TranslateShell::Init()
  • 33320: Data Exchange - Reading of a VRML file with a long line fails
  • 33307: Data Exchange, Step Import - Crash after reading empty edge loop
  • 32570: Visualization, AIS_AnimationObject - define rotation around axis
  • 30828: Data Exchange - The commands getting shapes from XCAF document should be available in C++
  • 27848: Visualization - Sensitivity of lines is too high
  • 33317: Data Exchange, Step Export - Ignoring color attached to the reference shape label
  • 30055: Modeling Algorithms - BRepOffset_MakeOffset throws "TopoDS_Vertex hasn't gp_Pnt" in intersection mode
  • 30292: Modeling Algorithms - BRepBndLib should avoid using Poly_Polygon3D when called with useTriangulation set to false
  • 33263: Modeling Algorithms - BRepFilletAPI_MakeFillet doesn't work for current parameters
  • 33227: Modeling Algorithm - BOPAlgo_BuilderSolid generates incomplete result
  • 33298: Modeling Algorithm - Offset operation gives wrong result
  • 33306: Modeling Algorithm - Crash in TrimEdge() method
  • 33264: Modeling Algorithms - Result of section operation is incomplete
  • 33092: Data Exchange, Documentation - Implementation of DE_Wrapper documentation
  • 33340: Modeling Algorithm - Improve memory management performance in the "PaveFiller"
  • 33345: Coding - Memory allocation operators got inaccessible
  • 33337: DRAW - Can't load plugins on Linux OS
  • 33327: Data Exchange, IGES Import - SubfigureDef can't read string
  • 33331: Data Exchange, Step Import - Unsupported Representation Items

Note: starting this year we stop supporting VS2013 compiler.

Publication date: April 6, 2023.

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