What's New in V2026.3 ?

Table Of Contents:

• Utils
  • Deprecated methods
  • Other improvements
• Readers
• Writers

Utils

Deprecated methods

• Added

  Ifcw::IfcType();
  Ifcw::IfcBuildingElement();
  const Dtk_Component::ComponentAvailabilityEnum Dtk_Component::ComponentAvailability() const;
  static Dtk_RevolutionSurfacePtr Create(const Dtk_CurvePtr& inRevolvedCurve,const Dtk_pnt& inAxisposition,const Dtk_dir& inRevolutionAxis,const Dtk_dir& inUDirection const Dtk_dir&inYDir= Dtk_dir());
  static Dtk_RevolutionSurfacePtr Create(const Dtk_RevolutionSurface& in);
  Dtk_ErrorStatus Dtk_Info::AddMaterial( const Dtk_MaterialPtr &inMaterial );
  Dtk_MaterialPtr Dtk_Info::GetMaterial() const;
  Dtk_MaterialPtr Dtk_DocElement::GetMaterial() const;
  void Dtk_DocElement::SetMaterial(Dtk_MaterialPtr inMaterial);

• Renamed

  Dtk_UUID catiav5w::InitPart_Deprecated242( const Dtk_string &inOutputFile, const Dtk_string& inReferenceName, const catiav5w::FileDescription& inFileDescription = catiav5w::FileDescription() );
  MaterialId catiav5w::AddMaterial_Deprecated242( const Material& inMaterial );
  inline void catiav5w::FileDescription::SetPartDensity_Deprecated234( const Dtk_Double64 inPartDensity );
  inline Dtk_Double64 catiav5w::FileDescription::GetPartDensity_Deprecated234() const;
  Dtk_ErrorStatus catiav5w::AddInstance_Deprecated234( const Dtk_ID& inDocId, const Dtk_string& inInstanceName, const Dtk_transfo& inTransfo, const Dtk_bool inBlankedStatus = 0, const Dtk_RGB& inInstanceColorAlpha = Dtk_RGB() );
  Dtk_ErrorStatus catiav5w::AddVirtualComponentInstance_Deprecated234( const Dtk_ID& inDocId, const Dtk_string& inInstanceName, const Dtk_transfo& inTransfo );
  inline Dtk_Double64 catiav5w::FileDescription::GetPartDensity_Deprecated234() const
  inline void catiav5w::FileDescription::SetPartDensity_Deprecated234( const Dtk_Double64 inPartDensity )
  long Dtk_String::taille_fichier_Deprecated223() const;
  Dtk_Double64 Dtk_Component::GetConceptionUnitScale_Deprecated221() const;
  Dtk_string Dtk_MetaData::GetUnits_Deprecated221() const;
  Dtk_Double64 Dtk_Body::GetTolerance_Deprecated221();
  Dtk_ID Dtk_API::AddMaterialInTable_Deprecated174(const Dtk_RenderInfosPtr &inNewRenderInfos);  
  Dtk_Size_t Dtk_API::GetNumMaterialInTable_Deprecated174() const;
  Dtk_RenderInfosPtr Dtk_API::GetMaterialInTable_Deprecated174(Dtk_ID inId) const;

• Removed

  None

Other improvements

• New Platform Visual Studio C++ 2026 (v145)
• Third parties:
  • New Version LibTiff libraries updated to 4.7.2
  • New Version LZMA libraries updated to 26.01
  • New Third Party LZ4 libraries v1.10.0 used by New Module USD Read
• Deprecated:
  
  • Use Dtk_Component::IsAvailabilityFlaggedAs() instead of Dtk_Component::ComponentAvailability()
  • Use Dtk_StandardRevolutionSurface::Create() instead of Dtk_RevolutionSurface::Create()
  • Use Dtk_Info::AddRenderInfos() and Dtk_Info::AddPhysicalMaterialInfos() instead of Dtk_Info::AddMaterial()
  • Use Dtk_Info::GetRenderInfos() and Dtk_Info::GetPhysicalMaterialInfos() instead of Dtk_Info::GetMaterial()
  • Use Dtk_Info::AddRenderInfos() and Dtk_Info::AddPhysicalMaterialInfos() instead of Dtk_DocElement::SetMaterial()
  • Use Dtk_Info::GetRenderInfos() and Dtk_Info::GetPhysicalMaterialInfos() instead of Dtk_DocElement::GetMaterial()

Readers

• ACIS
  • New Version Added support for versions up to 2025 1.0
  • Improved management of invalid files
• CATIA V5
  • Added CatiaV5Reader::SetTopologicalPersistentNameMode() option to control the use of topological persistent names
  • FDT:
    • Added parallel on screen mode in the Annotations Set Result
    • Improved camera estimation for captures in the Annotation Set Result when no real camera is available
    • Improved connectors for construction geometry in the Annotation Set Result
• CATIA V6 / 3DExperience
  • FDT:
    • Added parallel on screen mode in the Annotations Set Result
    • Improved camera estimation for captures in the Annotation Set Result when no real camera is available
    • Improved connectors for construction geometry in the Annotation Set Result
• CGR
  • FDT:
    • Added parallel on screen mode in the Annotations Set Result
    • Improved camera estimation for captures in the Annotation Set Result when no real camera is available
    • Improved connectors for construction geometry in the Annotation Set Result
• Creo Parametric / ProEngineer
  • New Version Added support for Creo Parametric 13.0
  • Improved handling of default colors for components: component duplicated only when necessary
  • Improved component name uppercase/lowercase management to match Creo Parametric behavior
  • Added subtype DTK_TYPE_REFERENCE_POINT for wireframe nodes containing reference point returned by Dtk_Node::GetNodeFullType().SubType()
  • FDT:
    • Fixed connectors to geometry
      
  • 2D:
    • Added support for ellipse curves
    • Improved view geometry with component visibility management
    • Improved clipping curve in detail view
• Creo View
  • FDT:
    • Added support for pin-to-screen
    • Added support for section view
    • Added support for multi leader
• FBX
  • Added support for ObjectMetadata
• Fusion 360
  • New Version Added support for versions up to 2703.1.11
• IGES
  • Added support for standalone hatch entities
  • Improved color management to distinguish face color and basis surface color
• Inventor
  • New Version Added support for Inventor 2027
  • Added RenderInfos information on bodies returned by Dtk_Info::GetRenderInfosId()
  • Added preview support from a filename returned by Dtk_API::GetFilePreview()
  • Added boundaries for multiple cross-section planes, available in a view with SectionPlaneList type using Dtk_ModelDisplay::GetSectionInformation()
  • Improved management of Weldment Assemblies
  • Improved transparency support for part files
  • Improved management of Dtk_RenderInfos on components
  • Improved reading of folded state in sheet metal parts
• JT
  • Fixed scale issue when no unit defined for files containing Parasolid data
  • Fixed modelview orientation issues
  • FDT:
    • Improved reading semantic PMI for Feature Control Frame, Datum, Note
• Navisworks
  • New Version Added support for Navisworks 2027
  • Improved bounding box reading, now available without calling Dtk_API::ReadComponent()
• NX/Unigraphics
  • New Version Added support for version NX 2606 Series up to 2606.1700
• Revit
  • New Version Added support for Revit 2027.
  • Added support for Revit Design Option: when such option exists only Main Model option is converted/displayed.
  • Fixed preview not being returned by Dtk_API::GetFilePreview()
• Solid Edge
  • 3D:
    • Added support for assembly filters that modify the visibility of entities
    • Improved support for files with no Parasolid data
    • Fixed Family Of Assemblies member names returned by Dtk_Component::Name()
  • FDT:
    • Improved geometry link resolution reliability
  • 2D:
    • Improved reliability for views in group
• SOLIDWORKS
  • New Version Added support for SOLIDWORKS 2026 SP2.1
  • Added preview for prototype components
  • Added display state information for all instances
  • Added indication if a part or an assembly is modified by a parent assembly: returned by Dtk_Info::GetOccurrenceDataFlag()
  • Fixed graphical data reading (missing meshes, missing triangles) returned by Dtk_API::OpenDocumentGraphic()
  • Fixed missing metadata using Dtk_API::OpenDocumentGraphic() and Dtk_API::ReadComponentGraphic()
  • Fixed incorrect transformation matrix in flexible components
  • Fixed missing parts in an assembly in derived configurations
  • Fixed missing virtual components
  • Fixed missing preview in the children of root component for files whose version is lower than 2006
  • Fixed error returned by Dtk_API::OpenDocument() when file version is lower than 1999: dtkErrorVersionNotSupported
  • 2D:
    • Fixed wrongly oriented arcs
    • Fixed missing color on annotations
• STEP
  • Improved parsing robustness for very large files
  • Improved UUID handling robustness
  • FDT:
    • Improved handling of angular dimensions that would sometimes be converted as linear dimensions.
    • Improved handling of dimension size and datum combination that would sometimes lead to the datum semantic loss
    • Improved handling of datum feature connector to geometry
• USD
  • New Format
    
    • Supports versions from 0.8.0 to 0.9.0
    • Supports .usd binary and ascii files
    • See General Mapping
• ZW3D
  • New Version Added support for ZW3D 2026 SP2
  • Fixed preview not being returned by Dtk_API::GetFilePreview()

Writers

• CATIA V5
  • New Version Added support for CATIA V5-6R2026
  • Renamed deprecated functions (see above)
• FBX
  • Added support for ObjectMetadata
• IFC
  • Added support for georeferencing information: site latitude, longitude and elevation
  • Added instance color handling
  • Improved recognition of building and distribution element types from BIM sources
  • API changes:
    • Renaming: IfcBuildingElement -> IfcElement, IfcType -> IfcElementType, IfcCalendarDate -> typing::IfcCalendarDate
    • Added new building element types and distribution element types
    • Added option to tessellate exact geometry, see Ifcw::WriteOptions (IFC4 only)
• JT
  • Added support for texture images with transparent background
  • Fixed plane orientation issues in multisection model views
  • FDT:
    • Added semantic data for PMI for Feature Control Frame, Datum, Balloon, Note
• STEP
  • Added handling of customer defined attributes at part, product and geometry/topology level (see Dtk_Info::AddCustomerDefinedAttribute)