OCCT Release Notes V720

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Open CASCADE Technologyand Products version 7.2.0 Overview 5 00

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New sample for usage of 3D Viewer on iOS on Viewer 3D of usage for sample New Interface to connect interpreter DRAW to user applications Possibility to add custom counters Refactored and Support of transparencyas part of colorspecification in XDE Support data of PMI without semantics in STEP import and export Optimized update of assembliesXDE in Support of annotations, Option for efficient display on high Multiple improvements Path in Tracing engine Possibility to customize display of hatching and selection highlight Extended features of color scale presentation Order Error/WarningNew reporting system in Boolean Operationscomponent optionNew “Glue” in the family of Boolean algorithms algorithmNew Proper setting of regularity on edgesconnecting surfaces smooth (e.g.seam edges) Specialized offset algorithm for smooth shells Optimization of surface intersection and otheralgorithms Support of files greater 2 than G ShapeSchema Restored possibility to write shapes in legacy persistence format (CSFDB, Possibilitydocument to save format in OCAF XML compatible 6.7+ OCCT with Dedicatedattribute storage for of triangulations CMake option to accelerate build by use of precompiled headers Support of VisualStudio 2017 others Framework

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Pre and Platforms Supported Modifications New features

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Classes Foundation Modifications 26937 28240 28217 28186 28355 28184 27345

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available already is index this when cases no is BSpline of index span for search The Summary: CLang). 14+, ICC 4.8+, GCC 14+, (MSVC thread_local keyword C++11 support that compilers raised last to the handle holding variable Static crashes. sporadic Summary: operator. equality without types with this using class NCollection_List::Contains() Methods usage. Summary: class base direct the B that is ensures check the on, andlater 4.7 version compiler GCC For class. base its B is and defined, DEFINE_STANDARD_RTTI*(A,B ile Comp compilation. during recognized Summary: library. of OSD_Environment::Value( on Windows. value Summary: mechanism: handling exception in introduced been have modifications following The Summary: ▪ ▪ ▪ ▪ ▪ ▪ _wgetenv()

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Open CASCADE Technology & Products

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BVH_BinaryTree in provided now are implementations incompatible and different Two Summary: byindex. elements sequence accessing of Message_SequenceOfPrinters::Iterator use now classes Messenger Summary: OSD_Process::UserName(). in added is pointer anull for Check Summary: platforms. getsourcefile Draw_Interpretor::add() method The platforms. Windows Summary: OSD_Thread::Wait() OSD_Thread::Run() ~ Methods platforms. Summary: mess string Meaningful Summary: XProgress command DRAW Method the since time elapsed of instead default) by of Update Summary: NCollection_ method New limits. new with Summary: former the if flags reading file to redirected now are flags reading Folder Windows. Summary: reasons. performance for avoided 4 - 2- from produced always is tree ary

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Summary: Summary: The attribute attribute The Summary: BinMNaming_NamedShapeDriver in corrected been has documents xml bin and from reading at shapes of order The Summary: implemented. been have mode, selection and display the manipulate DPrsStd_AISMode Commands fixed. been has format file XML in mode display of retrieval and storage for procedure The Summary: Clone(). method in copied CopyChildren() in method enabled - on sub located objects children of Handling level. second of Summary: field. internal as kept is attribute the identifying GUID The type. same the of Attribute one than more label same the on set to possible become now has It Summary: reader. file CBF the to added been has file" of on"end check The Summary: TCollection_AsciiString UTF from conversion Improper names. in their Summary: implemented. been has document, in OCAF meshes surface TDataXtd_Triangulation attribute OCAF standard New Summary: %.17g to 'double' from conversion possible largest the fit to increased XmlMDataXtd_PositionDriver char of in array buffer of size The Summary: driver. XML the into added been has types geometrical missing of Support TDataXtd_PLANE

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fixed. Persistence compatible with the legacy format has been restored for shapes: for beenrestored has format legacy the with compatible Persistence fixed. FSD_File using data old persistent of with support Problems Summary: document. same the within performed is Message Summary: important be can which copying, on synchronized now is label the in attributes of order The Summary: d Improve Summary: interfaces. public unify to TDF_AttributeIterator::Value Summary: TDF_AttributeIterator of usage The Summary ShapePersistent_BRep.cxx Summary: persistence binary FSD_BinaryFile in extended been has disk on file document the within position file eping ke for type The Summary: format. XML in tags saved/retrieved XmlObjMgt.cxx Summary: supported. is v.6.7.0 OCCT only moment the For application. the of version savedanewer by documents read to onthem based applications the allow to OCCT of versions in older documents the save to possible now is It Summary: Method TNaming_NewShapeIterator Summary: ▪ ▪

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Open CASCADE Technology & Products

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OpenCASCADE Technology& Products

s. shape generated of instead as modified algorithm the by created shapes all considers ShapeUpgrade_UnifySameDomain BRepTools_History one. asingle to merged shapes several of history merge and correctly Type methods history used widely of placement a re as positioned is It algorithms. applied sequentially of histories two to merge algorithm provides It shapes. produced the and the accepted between and'removed' 'modified' 'generated', relations defining andallows and 'solid' BRepTools_History class in new the beenimplemented has mechanism history Shape shapes. producing and accepting Summary: Type Summary: exception. bounds of out prevent to case degenerated for beenadded has check the on iteration for item array of address of using up giving by safe made BSplCL methods of code The Summary: in Geom2dConvert_CompCurveToBSplineCurve.cxx added been has G1) checking for used than tolerance less is curves of (length curves small of treatment The Summary: flag show to corrected been has dump Command Summary: MapShapesAndUniqueAncestors MapShapesAndAncestors equal. in method useOrientation argument Boolean optional The items. list the in ancestors new method The ancestors. Summary:

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Algorithms Modeling

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OpenCASCADE Technology& Products

adjacent points less than a half a than less points adjacent two l between the interva to keep other to each enough close is initial points of the set if Method points. existing between a method New Summary: bapisplit commands Draw corresponding The BRepAlgoAPI_Splitter in class implemented been has Splitter operator API The shapes. arbitrary other by dimension an arbitrary of shapes of number BOPAlgo_Splitter in class implemented operation New Summary: improving significantly allows This ar oneintersection of boundary the between distance the minimizing by refined are vertices found previously IntPatch_Points of algorithm The Summary: returns: it Now BRepOffsetAPI_ThruSections::Generated method Virtual Generated(). Summary: surface. the of middle towards movement iterative by shifted is point probing the parallel) or null are derivatives (when all derivatives from calculation normal of of failure In case surfaces. BSpline triangular on points in singular calculation normal of failure compensate to extended been have Methods 3 bsplinecurve by filling Summary: before. as done no2D is there If honestly). algorithm intersection in computed been has tolerance necessary the that considered is It face. this on curve a 2D is there if tolerance), some (with in a face lies curve the intersection if method The Summary:

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Open CASCADE Technology & Products

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OpenCASCADE Technology& Products

SurfaceOfRevolution with Cone objects infinite For (within SurfaceOfRevolution or Cone of instead plane a create Method Summary: 3d curve. t withou and degenerated vertexes BRepFill_Generator ends. at connected Summary: box bounding BRepTools::UVBounds() method New Summary: Additionally edges: shared for implemented been has types continuity possible all of Calculation Summary: success). of case in (0 status error return now onfaces directions normal andcomputing edges near points finding for Methods the of edge the from distance and direction necessary the in face the inside point method The any face. for faces) the of range UV to (relatively big too is step 3D computed method static The Summary:

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BOPAlgo_PaveFiller Summary: face. result in the changed not is orientation its open, is wire input the If wire. Method Summary: BOPAlgo_Builder::FillImagesEdges() of result PaveBlocks of list anempty with edges Small Summary: BRepOffsetAPI_MakePipeShell command Draw New GeomFill_Sweep::BuildKPart(). method in been corrected has on surfaces error of Calculation BRepFill_PipeShell::Prepare() method in cleared now are fields Class NCollection_DataMap::Find Standard_NoSuchObject: Summary: using in BRepOffset_Tool performed is faces untrimmed planar of intersection the Now Summary: introduced: been have tweaks following The Summary: Extrema_GenExtCC in added been has small too are derivatives the if constant Lipschitz of decrease a preventing condition The B and line Summary:

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face. BRep_Tool::CurveOnPlane() method New on planes. 2dcurves for check adding ShapeAnalysis_Edge Summary: casting. direct of instead curves typed to get Adaptors by using curves by Trimmed caused conversion type incomplete ( algorithm intersection Edge/Edge Summary: degenerated. as encoded T BRepOffset_MakeSimpleOf with checked is side each In addition, the of tolerance and position If surface. of fluctuations small dueto normal of poles all point). one to exactly not but degenerated is when case ( algorithm offset Simple Summary: ShapeUpgrade_UnifySameDomain F Summary: ranges UV is points now small sample avoided of too with number the of onsurfaces Calculation BOPAlgo_PaveFiller::UpdatePaveBl in added been has set) edge (without edges untouched of Processing Summary: shape modifications modifications shape of illing his helps to process cases when no edge is located at that side or such edge is not not is edge such or side that at located is edge no when cases to process helps his

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OpenCASCADE Technology& Products

ShapeUpgrade_UnifySameDomain Summary: cases. all in respected is quantity their and spaced equally are This index. from independently calculated is parameter the point each at step, adding by parameter the incrementing iteratively of instead robust: more in ShapeAnalysis_Curve::GetSamplePoints() logic iterating The Summary: p is tolerance edge/vertex of Increase Summary: edges. gluing location surface proper the considers now algorithm The Summary: remove_level option New Summary: file. urce reso Processing FixShellOrientationMode options corresponding The in solid. shell(s) of orientations and fixing analysis the option New Summary: SWDRAW_ShapeAnalysis.cxx in added been projpcurve command Draw New Extrema_Curve(2d)Tool.cxx in implemented been type curve for added been has criteria deflection on based interval parametric curve of Subdivision optimal. from far is which result, projection to leading solution a single Summary: - a non -

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Open CASCADE Technology & Products

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OpenCASCADE Technology& Products

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OpenCASCADE Technology& Products

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OpenCASCADE Technology& Products

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OpenCASCADE Technology& Products

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Summary: Summary: V3d_View. removed invalid accessing cause Summary: multi provide to implemented been have modifications following The Summary: in fixed been has presentation Connected within rmation with transfo structure Computed of Computation Graphic3d_CView::SetComputedMode() in methods beenfixed has structure Computed of box bounding Uninitialized V3d_View::SetComputedMode(). method from removed been has update view Implicit on hlr when times Summary: invalidated. properly be could instance Graphic3d_StructureManager DeviceLost displayed. object(s) Summary: manager. V3d_View::Remove method New removed. is view the ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪

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BestFit (TKJT) /Export JT Import Import Parasolid

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Mesh Express Detection Collision Recognition Canonical 28548 28458 27966 28904 28611 28590 28251

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Library Unfolding

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OpenCASCADE Technology& Products

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