documentation.HELP! OpenCascade Documentation

Open CASCADE Technology

OpenCascade

Table of contents

• Overview
  • Welcome
  • Copyrights
  • Documentation
  • Requirements
    • C++ Compiler / IDE
    • Third-party libraries
    • Hardware
  • Installation
    • Using Windows installer
  • Environment Variables
  • Getting Started
    • Draw Test Harness
    • Experimenting with Draw Test Harness
    • Programming Samples
      • MFC
      • Qt
      • C#
      • Android
  • MFC samples
  • OCCT CSharp sample
  • Direct3D CSharp sample
  • OCCT JniViewer sample for Android
  • OCCT AndroidQt sample for Android
• Tutorial
  • Overview
    • Prerequisites
    • The Model
    • Model Specifications
  • Building the Profile
    • Defining Support Points
    • Profile: Defining the Geometry
    • Profile: Defining the Topology
    • Profile: Completing the Profile
  • Building the Body
    • Prism the Profile
    • Applying Fillets
    • Adding the Neck
    • Creating a Hollowed Solid
  • Building the Threading
    • Creating Surfaces
    • Defining 2D Curves
    • Building Edges and Wires
    • Creating Threading
  • Building the Resulting Compound
  • Appendix
• Technical Overview
  • Foundation Classes
  • Modeling Data
  • Modeling Algorithms
  • Mesh
  • Visualization
  • Data Exchange
  • Shape Healing
  • Application Framework
  • Draw Test Harness
• User Guides
  • Foundation Classes
    • Introduction
    • Basics
      • Library organization
        • Modules and toolkits
        • Packages
        • Classes
        • Inheritance
      • Data Types
        • Primitive Types
        • Types manipulated by value
        • Types manipulated by reference (handle)
        • When is it necessary to use a handle?
      • Programming with Handles
        • Handle Definition
        • Type Management
        • Using Handles to Create Objects
        • Invoking Methods
        • Handle deallocation
        • Cycles
      • Memory Management
        • Usage of Memory Manager
        • How to configure the Memory Manager
        • Optimization Techniques
        • Benefits and drawbacks
      • Exceptions
        • Introduction
        • Raising an Exception
        • Handling an Exception
        • Implementation on various platforms.
      • Plug-In Management
        • Distribution by Plug-Ins
    • Collections, Strings, Quantities and Unit Conversion
      • Collections
        • Overview
        • Generic general-purpose Aggregates
        • Generic Maps
        • Iterators
      • Collections of Standard Objects
        • Overview
        • Description
      • NCollections
        • Overview
        • Instantiation of collection classes
        • Arrays and sequences
        • Maps
        • Other collection types
        • Features
      • Strings
        • Examples
        • Conversion
      • Quantities
      • Unit Conversion
    • Math Primitives and Algorithms
      • Overview
      • Vectors and Matrices
      • Primitive Geometric Types
      • Collections of Primitive Geometric Types
      • Basic Geometric Libraries
      • Common Math Algorithms
      • Precision
        • The Precision package
        • Standard Precision values
  • Modeling Data
    • Introduction
    • Geometry Utilities
      • Interpolations and Approximations
        • Analysis of a set of points
        • Basic Interpolation and Approximation
        • Advanced Approximation
      • Direct Construction
        • Simple geometric entities
        • Geometric entities manipulated by handle
      • Conversion to and from BSplines
      • Points on Curves
      • Extrema
    • 2D Geometry
    • 3D Geometry
    • Properties of Shapes
      • Local Properties of Shapes
      • Local Properties of Curves and Surfaces
      • Continuity of Curves and Surfaces
      • Regularity of Shared Edges
      • Global Properties of Shapes
      • Adaptors for Curves and Surfaces
    • Topology
      • Shape Location
      • Naming shapes, sub-shapes, their orientation and state
        • Topological types
        • Orientation
        • State
      • Manipulating shapes and sub-shapes
      • Exploration of Topological Data Structures
      • Lists and Maps of Shapes
        • Wire Explorer
      • Storage of shapes
  • BRep Format
    • Introduction
    • Format Common Structure
    • Locations
    • Geometry
      • 3D curves
        • Line - <3D curve record 1>
        • Circle - <3D curve record 2>
        • Ellipse - <3D curve record 3>
        • Parabola - <3D curve record 4>
        • Hyperbola - <3D curve record 5>
        • Bezier Curve - <3D curve record 6>
        • B-spline Curve - <3D curve record 7>
        • Trimmed Curve - <3D curve record 8>
        • Offset Curve - <3D curve record 9>
      • Surfaces
        • Plane - < surface record 1 >
        • Cylinder - < surface record 2 >
        • Cone - < surface record 3 >
        • Sphere - < surface record 4 >
        • Torus - < surface record 5 >
        • Linear Extrusion - < surface record 6 >
        • Revolution Surface - < surface record 7 >
        • Bezier Surface - < surface record 8 >
        • B-spline Surface - < surface record 9 >
        • Rectangular Trim Surface - < surface record 10 >
        • Offset Surface - < surface record 11 >
      • 2D curves
        • Line - <2D curve record 1>
        • Circle - <2D curve record 2>
        • Ellipse - <2D curve record 3>
        • Parabola - <2D curve record 4>
        • Hyperbola - <2D curve record 5>
        • Bezier Curve - <2D curve record 6>
        • B-spline Curve - <2D curve record 7>
        • Trimmed Curve - <2D curve record 8>
        • Offset Curve - <2D curve record 9>
      • 3D polygons
      • Triangulations
      • Polygons on triangulations
      • Geometric Sense of a Curve
    • Shapes
      • Common Terms
      • Vertex data
      • Edge data
      • Face data
    • Appendix
  • Modeling Algorithms
    • Introduction
    • Geometric Tools
      • Intersections
        • Intersection of two curves
        • Intersection of Curves and Surfaces
        • Intersection of two Surfaces
      • Interpolations
        • Geom2dAPI_Interpolate
        • GeomAPI_Interpolate
      • Lines and Circles from Constraints
        • Types of constraints
        • Available types of lines and circles
        • Types of algorithms
      • Curves and Surfaces from Constraints
        • Faired and Minimal Variation 2D Curves
        • Ruled Surfaces
        • Pipe Surfaces
        • Filling a contour
        • Plate surfaces
      • Projections
        • Projection of a 2D Point on a Curve
        • Projection of a 3D Point on a Curve
        • Projection of a Point on a Surface
        • Switching from 2d and 3d Curves
    • Topological Tools
      • Creation of the faces from wireframe model
      • Classification of the shapes
      • Orientation of the shapes in the container
      • Making new shapes
      • Building PCurves
      • Checking the validity of the shapes
      • Taking a point inside the face
      • Getting normal for the face
    • The Topology API
      • Error Handling in the Topology API
    • Standard Topological Objects
      • Vertex
      • Edge
        • Basic edge construction method
        • Supplementary edge construction methods
        • Other information and error status
      • Edge 2D
      • Polygon
      • Face
        • Basic face construction method
        • Supplementary face construction methods
        • Error status
      • Wire
      • Shell
      • Solid
    • Object Modification
      • Transformation
      • Duplication
    • Primitives
      • Making Primitives
        • Box
        • Wedge
        • Rotation object
        • Cylinder
        • Cone
        • Sphere
        • Torus
        • Revolution
      • Sweeping: Prism, Revolution and Pipe
        • Sweeping
        • Prism
        • Rotational Sweep
    • Boolean Operations
      • Input and Result Arguments
      • Implementation
    • Fillets and Chamfers
      • Fillets
      • Fillet on shape
      • Chamfer
      • Fillet on a planar face
    • Offsets, Drafts, Pipes and Evolved shapes
      • Offset computation
      • Shelling
      • Draft Angle
      • Pipe Constructor
      • Evolved Solid
    • Sewing
      • Introduction
      • Sewing Algorithm
      • Tolerance Management
      • Manifold and Non-manifold Sewing
      • Local Sewing
    • Features
      • Form Features
        • Prism
        • Draft Prism
        • Revolution
        • Pipe
      • Mechanical Features
        • Linear Form
        • Gluer
        • Split Shape
    • Hidden Line Removal
      • Examples
    • Meshing
      • Mesh presentations
      • Meshing algorithm
  • Boolean Operations
    • Introduction
    • Overview
      • Operators
        • Boolean operator
        • General Fuse operator
        • Splitter operator
        • Section operator
      • Parts of algorithms
    • Terms and Definitions
      • Interferences
        • Vertex/Vertex interference
        • Vertex/Edge interference
        • Vertex/Face interference
        • Edge/Edge interference
        • Edge/Face interference
        • Face/Face Interference
        • Vertex/Solid Interference
        • Edge/Soild Interference
        • Face/Soild Interference
        • Solid/Soild Interference
        • Computation Order
        • Results
      • Paves
      • Pave Blocks
      • Shrunk Range
      • Common Blocks
      • FaceInfo
    • Data Structure
      • Arguments
      • Shapes
      • Interferences
      • Pave, PaveBlock and CommonBlock
      • Points and Curves
      • FaceInfo
    • Root Classes
      • Class BOPAlgo_Options
      • Class BOPAlgo_Algo
    • Intersection Part
      • Initialization
      • Compute Vertex/Vertex Interferences
      • Compute Vertex/Edge Interferences
      • Update Pave Blocks
      • Compute Edge/Edge Interferences
      • Compute Vertex/Face Interferences
      • Compute Edge/Face Interferences
      • Build Split Edges
      • Compute Face/Face Interferences
      • Build Section Edges
      • Build P-Curves
      • Process Degenerated Edges
    • General description of the Building Part
    • General Fuse Algorithm
      • Arguments
      • Results
      • Examples
        • Case 1: Three edges intersecting at a point
        • Case 2: Two wires and an edge
        • Case 3: An edge intersecting with a face
        • Case 4: An edge lying on a face
        • Case 5: An edge and a shell
        • Case 6: A wire and a shell
        • Case 7: Three faces
        • Case 8: A face and a shell
        • Case 9: A shell and a solid
        • Case 10: A compound and a solid
      • Class BOPAlgo_Builder
        • Fields
        • Initialization
        • Build Images for Vertices
        • Build Result of Type Vertex
        • Build Images for Edges
        • Build Result of Type Edge
        • Build Images for Wires
        • Build Result of Type Wire
        • Build Images for Faces
        • Build Result of Type Face
        • Build Images for Shells
        • Build Result of Type Shell
        • Build Images for Solids
        • Build Result of Type Solid
        • Build Images for Type CompSolid
        • Build Result of Type Compsolid
        • Build Images for Compounds
        • Build Result of Type Compound
        • Post-Processing
    • Splitter Algorithm
      • Arguments
      • Results
      • Usage
        • API
        • DRAW
      • Examples
        • Example 1
        • Example 2
        • Example 3
    • Boolean Operations Algorithm
      • Arguments
      • Results. General Rules
      • Examples
        • Case 1: Two Vertices
        • Case 2: A Vertex and an Edge
        • Case 3: A Vertex and a Face
        • Case 4: A Vertex and a Solid
        • Case 5: Two edges intersecting at one point
        • Case 6: Two edges having a common block
        • Case 7: An Edge and a Face intersecting at a point
        • Case 8: A Face and an Edge that have a common block
        • Case 9: An Edge and a Solid intersecting at a point
        • Case 10: An Edge and a Solid that have a common block
        • Case 11: Two intersecting faces
        • Case 12: Two faces that have a common part
        • Case 13: Two faces that have a common edge
        • Case 14: Two faces that have a common vertex
        • Case 15: A Face and a Solid that have an intersection curve.
        • Case 16: A Face and a Solid that have overlapping faces.
        • Case 17: A Face and a Solid that have overlapping edges.
        • Case 18: A Face and a Solid that have overlapping vertices.
        • Case 19: Two intersecting Solids.
        • Case 20: Two Solids that have overlapping faces.
        • Case 21: Two Solids that have overlapping edges.
        • Case 22: Two Solids that have overlapping vertices.
        • Case 23: A Shell and a Wire cut by a Solid.
        • Case 24: Two Wires that have overlapping edges.
      • Class BOPAlgo_BOP
      • Building Draft Result
      • Building the Result
    • Section Algorithm
      • Arguments
      • Results and general rules
      • Examples
        • Case 1: Two Vertices
        • Case 1: Case 2: A Vertex and an Edge
        • Case 1: Case 2: A Vertex and a Face
        • Case 4: A Vertex and a Solid
        • Case 5: Two edges intersecting at one point
        • Case 6: Two edges having a common block
        • Case 7: An Edge and a Face intersecting at a point
        • Case 8: A Face and an Edge that have a common block
        • Case 9: An Edge and a Solid intersecting at a point
        • Case 10: An Edge and a Solid that have a common block
        • Case 11: Two intersecting faces
        • Case 12: Two faces that have a common part
        • Case 13: Two faces that have overlapping edges
        • Case 14: Two faces that have overlapping vertices
        • Case 15: A Face and a Solid that have an intersection curve
        • Case 16: A Face and a Solid that have overlapping faces.
        • Case 17: A Face and a Solid that have overlapping edges.
        • Case 18: A Face and a Solid that have overlapping vertices.
        • Case 19: Two intersecting Solids
        • Case 20: Two Solids that have overlapping faces
        • Case 21: Two Solids that have overlapping edges
        • Case 22: Two Solids that have overlapping vertices
      • Class BOPAlgo_Section
      • Building the Result
    • Volume Maker Algorithm
      • Usage
      • Examples
    • Cells Builder algorithm
      • Usage
      • Examples
    • Algorithm Limitations
      • Arguments
        • Common requirements
        • Pure self-interference
        • Self-interferences due to tolerances
        • Parametric representation
        • Using tolerances of vertices to fix gaps
      • Intersection problems
        • Pure intersections and common zones
        • Tolerances and inaccuracies
        • Acquired Self-interferences
    • Advanced Options
      • Fuzzy Boolean Operation
        • Examples
      • Gluing Operation
        • Usage
        • Examples
      • Safe processing mode
        • Usage
    • Errors and warnings reporting system
    • Usage
      • Package BRepAlgoAPI
      • Package BOPTest
        • Case 1. General Fuse operation
        • Case 2. Splitting operation
        • Case 3. Common operation
        • Case 4. Fuse operation
        • Case 5. Cut operation
        • Case 6. Section operation
  • Shape Healing
    • Overview
      • Introduction
      • Examples of use
      • Toolkit Structure
      • Querying the statuses
    • Repair
      • Basic Shape Repair
      • Shape Correction.
        • Fixing sub-shapes
      • Repairing tools
        • General Workflow
        • Flags Management
        • Repairing tool for shapes
        • Repairing tool for solids
        • Repairing tool for shells
        • Repairing tool for faces
        • Repairing tool for wires
        • Repairing tool for edges
        • Repairing tool for the wireframe of a shape
        • Tool for removing small faces from a shape
        • Tool to modify tolerances of shapes (Class ShapeFix_ShapeTolerance).
    • Analysis
      • Analysis of shape validity
        • Analysis of orientation of wires on a face.
        • Analysis of wire validity
        • Analysis of edge validity
        • Analysis of presence of small faces
        • Analysis of shell validity and closure
      • Analysis of shape properties.
        • Analysis of tolerance on shape
        • Analysis of free boundaries.
        • Analysis of shape contents
    • Upgrading
      • Tools for splitting a shape according to a specified criterion
        • Overview
        • Using tools available for shape splitting.
        • Creation of a new tool for splitting a shape.
      • General splitting tools.
        • General tool for shape splitting
        • General tool for face splitting
        • General tool for wire splitting
        • General tool for edge splitting
        • General tools for geometry splitting
      • Specific splitting tools.
        • Conversion of shape geometry to the target continuity
        • Splitting by angle
        • Conversion of 2D, 3D curves and surfaces to Bezier
        • Tool for splitting closed faces
        • Tool for splitting a C0 BSpline 2D or 3D curve to a sequence C1 BSpline curves
        • Tool for splitting faces
      • Customization of shapes
        • Conversion of indirect surfaces.
        • Shape Scaling
        • Conversion of curves and surfaces to BSpline
        • Conversion of elementary surfaces into surfaces of revolution
        • Conversion of elementary surfaces into Bspline surfaces
        • Getting the history of modification of sub-shapes.
        • Remove internal wires
        • Conversion of surfaces
        • Unify Same Domain
    • Auxiliary tools for repairing, analysis and upgrading
      • Tool for rebuilding shapes
      • Status definition
      • Tool representing a wire
      • Tool for exploring shapes
      • Tool for attaching messages to objects
      • Tools for performance measurement
    • Shape Processing
      • Usage Workflow
      • Operators
    • Messaging mechanism
      • Message Gravity
      • Tool for loading a message file into memory
      • Tool for managing filling messages
      • Tool for managing trace files
  • Visualization
    • Introduction
    • Fundamental Concepts
      • Presentation
        • Structure of the Presentation
        • Presentation packages
        • A Basic Example: How to display a 3D object
      • Selection
        • Terms and notions
        • Algorithm
        • Packages and classes
        • Examples of usage
    • Application Interactive Services
      • Introduction
      • Interactive objects
        • Presentations
        • Hidden Line Removal
        • Presentation modes
        • Selection
        • Graphic attributes
        • Complementary Services
        • Object hierarchy
        • Instancing
      • Interactive Context
        • Rules
        • Groups of functions
        • Management of the Interactive Context
      • Local Selection
        • Selection Modes
        • Filters
        • Selection
      • Standard Interactive Object Classes
        • Datum
        • Object
        • Relations
        • Dimensions
        • MeshVS_Mesh
      • Dynamic Selection
    • 3D Presentations
      • Glossary of 3D terms
      • Graphic primitives
        • Structure hierarchies
        • Graphic primitives
        • Primitive arrays
        • Text primitive
        • Materials
        • Textures
        • Shaders
      • Graphic attributes
        • Aspect package overview
      • 3D view facilities
        • Overview
        • A programming example
        • Define viewing parameters
        • Orthographic Projection
        • Perspective Projection
        • Stereographic Projection
        • View frustum culling
        • View background styles
        • Dumping a 3D scene into an image file
        • Ray tracing support
        • Display priorities
        • Z-layer support
        • Clipping planes
        • Automatic back face culling
      • Examples: creating a 3D scene
        • Create attributes
        • Create a 3D Viewer (a Windows example)
        • Create a 3D view (a Windows example)
        • Create an interactive context
        • Create your own interactive object
        • Create primitives in the interactive object
    • Mesh Visualization Services
  • VTK Integration Services (VIS)
    • Introduction
    • Component Architecture
      • Common structure
      • IVtk package
      • IVtkOCC package
      • IVtkVtk package
      • IVtkTools package
    • Using high-level API (simple scenario)
      • OCCT shape presentation in VTK viewer
      • Color schemes
        • Default OCCT color scheme
        • Custom color scheme
        • Setting custom colors for sub-shapes
        • Using color scheme of mapper
      • Display modes
      • Interactive selection
        • Selection of sub-shapes
    • Using of low-level API (advanced scenario)
      • Shape presentation
      • Usage of OCCT picking algorithm
    • DRAW Test Harness
  • IGES Support
    • Introduction
    • Reading IGES
      • Procedure
      • Domain covered
        • Translatable entities
        • Attributes
        • Administrative data
      • Description of the process
        • Loading the IGES file
        • Checking the IGES file
        • Setting translation parameters
        • Selecting entities
        • Performing the IGES file translation
        • Getting the translation results
      • Mapping of IGES entities to Open CASCADE Technology shapes
        • Points
        • Curves
        • Surfaces
        • Boundary Representation Solid Entities
        • Structure Entities
        • Subfigures
        • Transformation Matrix
      • Messages
      • Tolerance management
        • Values used for tolerances during reading IGES
        • Initial setting of tolerances in translating objects
        • Transfer process
      • Code architecture
      • Example
    • Writing IGES
      • Procedure
      • Domain covered
      • Description of the process
        • Initializing the process
        • Setting the translation parameters
        • Performing the Open CASCADE Technology shape translation
        • Writing the IGES file
      • Mapping Open CASCADE Technology shapes to IGES entities
        • Curves
        • Surfaces
        • Topological entities -- Translation in Face mode
        • Topological entities -- Translation in BRep mode
      • Tolerance management
        • Setting resolution in an IGES file
      • Code architecture
        • Graph of calls
      • Example
    • Using XSTEPDRAW
      • Setting interface parameters
      • Reading IGES files
      • Analyzing the transferred data
        • Checking file contents
        • Estimating the results of reading IGES
      • Writing an IGES file
    • Reading from and writing to IGES
      • Reading from IGES
      • Writing to IGES
  • STEP processor
    • Introduction
      • STEP Exchanges in Open Cascade technology
      • STEP Interface
    • Reading STEP
      • Procedure
      • Domain covered
        • Assemblies
        • Shape representations
        • Topological entities
        • Geometrical entities
      • Description of the process
        • Loading the STEP file
        • Checking the STEP file
        • Setting the translation parameters
        • Performing the STEP file translation
        • Getting the translation results
        • Selecting STEP entities for translation
      • Mapping STEP entities to Open CASCADE Technology shapes
        • Assembly structure representation entities
        • Models
        • Topological entities
        • Geometrical entities
      • Tolerance management
        • Values used for tolerances during reading STEP
        • Initial setting of tolerances in translating objects
        • Transfer process
      • Code architecture
      • Example
    • Writing STEP
      • Procedure
      • Domain covered
        • Writing geometry and topology
        • Writing assembly structures
      • Description of the process
        • Initializing the process
        • Setting the translation parameters
        • Performing the Open CASCADE Technology shape translation
        • Writing the STEP file
      • Mapping Open CASCADE Technology shapes to STEP entities
        • Assembly structures and product information
        • Topological shapes
        • Geometrical objects
      • Tolerance management
      • Code architecture
        • Graph of calls
      • Example
    • Physical STEP file reading and writing
      • Architecture of STEP Read and Write classes
        • General principles
        • Complex entities
      • Physical file reading
        • Loading a STEP file and syntactic analysis of its contents
        • Mapping STEP entities to arrays of strings
        • Creating empty Open CASCADE Technology objects that represent STEP entities
        • Initializing Open CASCADE Technology objects
        • Building a graph
      • How to add a new entity in scope of the STEP processor
      • Physical file writing
      • How to add a new entity to write in the STEP file.
    • Using DRAW
      • DRAW STEP Commands Overview
      • Setting the interface parameters
      • Reading a STEP file
      • Analyzing the transferred data
        • Checking file contents
        • Estimating the results of reading STEP
      • Writing a STEP file
    • Reading from and writing to STEP
      • Reading from STEP
      • Attributes read from STEP
      • Writing to STEP
      • Attributes written to STEP
  • Extended Data Exchange (XDE)
    • Introduction
      • Basic terms
      • XDE Organization
      • Assemblies
      • Validation Properties
      • Names
      • Colors and Layers
      • Custom notes
    • Working with XDE
      • Getting started
        • Environment variables
        • General Check
        • Get an Application or an Initialized Document
      • Shapes and Assemblies
        • Initialize an XDE Document (Shapes)
        • Get a Node considered as an Assembly
        • Updating the Assemblies after Filling or Editing
        • Adding or Setting Top Level Shapes
        • Setting a given Shape at a given Label
        • Getting a Shape from a Label
        • Getting a Label from a Shape
        • Other Queries on a Label
        • Instances and References for Components
      • Editing Shapes
      • Management of Sub-Shapes
      • Properties
        • Name
        • Centroid
        • Area
        • Volume
      • Colors and Layers
        • Initialization
        • Adding a Color
        • Queries on Colors
        • Editing Colors
      • Custom notes
        • Initialization
        • Creating Notes
        • Editing a Note
        • Adding Notes
        • Finding Notes
        • Removing Notes
        • Deleting Notes
      • Reading and Writing STEP or IGES
        • Reading a STEP file
        • Writing a STEP file
        • Reading an IGES File
        • Writing an IGES File
      • Using an XDE Document
        • XDE Data inside an Application Document
  • OCAF
    • Introduction
      • Purpose of OCAF
      • Architecture Overview
        • Application
        • Document
        • Attribute
      • Reference-key model
    • The Data Framework
      • Data Structure
      • Examples of a Data Structure
      • Tag
        • Creating child labels using random delivery of tags
        • Creation of a child label by user delivery from a tag
      • Label
        • Label creation
        • Creating child labels
        • Retrieving child labels
        • Retrieving the father label
      • Attribute
        • Retrieving an attribute from a label
        • Identifying an attribute using a GUID
        • Attaching an attribute to a label
        • Testing the attachment to a label
        • Removing an attribute from a label
        • Specific attribute creation
      • Compound documents
      • Transaction mechanism
    • Standard Document Services
      • Overview
      • The Application
        • Creating an application
        • Creating a new document
        • Retrieving the application to which the document belongs
      • The Document
        • Accessing the main label of the framework
        • Retrieving the document from a label in its framework
        • Defining storage format
        • Defining storage format by resource files
        • Saving a document
        • Opening the document from a file
        • Cutting, copying and pasting inside a document
      • External Links
        • Copying the document
    • OCAF Shape Attributes
      • Overview
      • Shape attributes in data framework.
      • Registering shapes and their evolution
      • Using naming resources
      • Reading the contents of a named shape attribute
      • Topological naming
        • Algorithm history
        • Loading history in data framework
        • Selection / re-computation mechanism
      • Exploring shape evolution
      • Example of topological naming usage
    • Standard Attributes
      • Overview
      • Services common to all attributes
        • Accessing GUIDs
        • Conventional Interface of Standard Attributes
      • The choice between standard and custom attributes
        • Comparison and analysis of approaches
        • Conclusion
    • Visualization Attributes
      • Overview
      • Services provided
        • Defining an interactive viewer attribute
      • Defining a presentation attribute
        • Creating your own driver
        • Using a container for drivers
    • Function Services
      • Finding functions, their owners and roots
      • Storing and accessing information about function status
      • Propagating modifications
    • Example of Function Mechanism Usage
      • Introduction
      • Step 1: Data Tree
      • Step 2: Interfaces
        • Creation of the nail
        • Computation
        • Visualization
        • Removal of the nail
      • Step 3: Functions
      • Example 1: iteration and execution of functions.
      • Example 2: Cylinder function driver
    • XML Support
      • Document Drivers
      • Attribute Drivers
      • XML Document Structure
      • XML Schema
    • GLOSSARY
    • Samples
      • Getting Started
      • Implementation of Attribute Transformation in a HXX file
      • Implementation of Attribute Transformation in a CPP file
      • Implementation of typical actions with standard OCAF attributes.
  • TObj Package
    • Introduction
      • Applicability
    • TObj Model
      • TObj Model structure
      • Data Model basic features
      • Model Persistence
      • Access to the objects in the model
      • Own model data
      • Object naming
      • API for transaction mechanism
      • Model format and version
      • Model update
      • Model copying
      • Messaging
    • Model object
      • Separation of data and interface
      • Basic features
      • Data layout and inheritance
      • Persistence
      • Names of objects
      • References between objects
      • Creation and deletion of objects
      • Transformation and replication of object data
      • Object flags
      • Partitions
    • Auxiliary classes
    • Packaging
  • Draw Test Harness
    • Introduction
      • Overview
      • Contents of this documentation
      • Getting started
        • Launching DRAW Test Harness
        • Plug-in resource file
        • Activation of commands implemented in the plug-in
    • The Command Language
      • Overview
      • Syntax of TCL
      • Accessing variables in TCL and Draw
        • set, unset
        • dset, dval
        • del, dall
      • lists
        • Control Structures
        • if
        • while, for, foreach
        • break, continue
      • Procedures
        • proc
        • global, upvar
    • Basic Commands
      • General commands
        • help
        • source
        • spy
        • cpulimit
        • wait
        • chrono
      • Variable management commands
        • isdraw, directory
        • whatis, dump
        • renamevar, copy
        • datadir, save, restore
      • User defined commands
        • set
        • get
    • Graphic Commands
      • Axonometric viewer
        • view, delete
        • axo, pers, top, ...
        • mu, md, 2dmu, 2dmd, zoom, 2dzoom
        • pu, pd, pl, pr, 2dpu, 2dpd, 2dpl, 2dpr
        • fit, 2dfit
        • u, d, l, r
        • focal, fu, fd
        • color
        • dtext
        • hardcopy, hcolor, xwd
        • wclick, pick
        • autodisplay
        • display, donly
        • erase, clear, 2dclear
        • disp, don, era
        • repaint, dflush
      • AIS viewer -- view commands
        • vinit
        • vhelp
        • vtop
        • vaxo
        • vsetbg
        • vclear
        • vrepaint
        • vfit
        • vzfit
        • vreadpixel
        • vselect
        • vmoveto
        • vviewparams
        • vchangeselected
        • vzclipping
        • vnbselected
        • vpurgedisplay
        • vhlr
        • vhlrtype
        • vcamera
        • vstereo
        • vfrustumculling
      • AIS viewer -- display commands
        • vdisplay
        • vdonly
        • vdisplayall
        • verase
        • veraseall
        • vsetdispmode
        • vdisplaytype
        • verasetype
        • vtypes
        • vaspects
        • vsetshading
        • vunsetshading
        • vsetam
        • vunsetam
        • vdump
        • vdir
        • vsub
        • vsensdis
        • vsensera
        • vr
        • vstate
        • vraytrace
        • vrenderparams
        • vshaderprog
        • vsetcolorbg
      • AIS viewer -- object commands
        • vtrihedron
        • vplanetri
        • vsize
        • vaxis
        • vaxispara
        • vaxisortho
        • vpoint
        • vplane
        • vplanepara
        • vplaneortho
        • vline
        • vcircle
        • vtri2d
        • vselmode
        • vconnect
        • vtriangle
        • vsegment
        • vpointcloud
        • vclipplane
        • vdimension
        • vdimparam
        • vangleparam
        • vlengthparam
        • vmovedim
      • AIS viewer -- Mesh Visualization Service
        • meshfromstl
        • meshdispmode
        • meshselmode
        • meshshadcolor
        • meshlinkcolor
        • meshmat
        • meshshrcoef
        • meshshow
        • meshhide
        • meshhidesel
        • meshshowsel
        • meshshowall
        • meshdelete
      • VIS Viewer commands
        • ivtkinit
        • ivtkdisplay
        • ivtkerase
        • ivtkfit
        • ivtkdispmode
        • ivtksetselmode
        • ivtkmoveto
        • ivtkselect
        • ivtkdump
        • ivtkbgcolor
    • OCAF commands
      • Application commands
        • NewDocument
        • IsInSession
        • ListDocuments
        • Open
        • Close
        • Save
        • SaveAs
      • Basic commands
        • Label
        • NewChild
        • Children
        • ForgetAll
        • Application commands
        • Main
        • UndoLimit
        • Undo
        • Redo
        • OpenCommand
        • CommitCommand
        • NewCommand
        • AbortCommand
        • Copy
        • UpdateLink
        • CopyWithLink
        • UpdateXLinks
        • DumpDocument
      • Data Framework commands
        • MakeDF
        • ClearDF
        • CopyDF
        • CopyLabel
        • MiniDumpDF
        • XDumpDF
      • General attributes commands
        • SetInteger
        • GetInteger
        • SetReal
        • GetReal
        • SetIntArray
        • GetIntArray
        • SetRealArray
        • GetRealArray
        • SetComment
        • GetComment
        • SetExtStringArray
        • GetExtStringArray
        • SetName
        • GetName
        • SetReference
        • GetReference
        • SetUAttribute
        • GetUAttribute
        • SetFunction
        • GetFunction
        • NewShape
        • SetShape
        • GetShape
      • Geometric attributes commands
        • SetPoint
        • GetPoint
        • SetAxis
        • GetAxis
        • SetPlane
        • GetPlane
        • SetGeometry
        • GetGeometryType
        • SetConstraint
        • GetConstraint
        • SetVariable
        • GetVariable
      • Tree attributes commands
        • RootNode
        • SetNode
        • AppendNode
        • PrependNode
        • InsertNodeBefore
        • InsertNodeAfter
        • DetachNode
        • ChildNodeIterate
        • InitChildNodeIterator
        • ChildNodeMore
        • ChildNodeNext
        • ChildNodeValue
        • ChildNodeNextBrother
      • Standard presentation commands
        • AISInitViewer
        • AISRepaint
        • AISDisplay
        • AISUpdate
        • AISErase
        • AISRemove
        • AISSet
        • AISDriver
        • AISUnset
        • AISTransparency
        • AISHasOwnTransparency
        • AISMaterial
        • AISHasOwnMaterial
        • AISColor
        • AISHasOwnColor
    • Geometry commands
      • Overview
      • Curve creation
        • point
        • line
        • circle
        • ellipse
        • hyperbola
        • parabola
        • beziercurve, 2dbeziercurve
        • bsplinecurve, 2dbsplinecurve, pbsplinecurve, 2dpbsplinecurve
        • uiso, viso
        • to3d, to2d
        • project
      • Surface creation
        • plane
        • cylinder
        • cone
        • sphere
        • torus
        • beziersurf
        • bsplinesurf, upbsplinesurf, vpbsplinesurf, uvpbsplinesurf
        • trim, trimu, trimv
        • offset
        • revsurf
        • extsurf
        • convert
      • Curve and surface modifications
        • reverse, ureverse, vreverse
        • exchuv
        • segment, segsur
        • iincudeg, incvdeg
        • cmovep, movep, movecolp, moverowp
        • insertpole, rempole, remcolpole, remrowpole
        • insertknot, insertuknot, insertvknot
        • remknot, remuknot, remvknot
        • setperiodic, setnotperiodic, setuperiodic, setunotperiodic, setvperiodic, setvnotperiodic
        • setorigin, setuorigin, setvorigin
      • Transformations
        • translate, dtranslate
        • rotate, 2drotate
        • pmirror, lmirror, smirror, dpmirror, dlmirror
        • pscale, dpscale
      • Curve and surface analysis
        • coord
        • cvalue, 2dcvalue
        • svalue
        • localprop, minmaxcurandinf
        • parameters
        • proj, 2dproj
        • surface_radius
      • Intersections
        • intersect
        • dintersect
      • Approximations
        • appro, dapprox
        • surfapp, grilapp
      • Projections
        • projponf
      • Constraints
        • cirtang
        • lintan
      • Display
        • dmod, discr, defle
        • nbiso
        • clpoles, shpoles
        • clknots, shknots
    • Topology commands
      • Basic topology
        • isos, discretisation
        • orientation, complement, invert, normals, range
        • explode, exwire, nbshapes
        • emptycopy, add, compound
        • compare
        • issubshape
      • Curve and surface topology
        • vertex
        • mkpoint
        • edge, mkedge, uisoedge, visoedge
        • wire, polyline, polyvertex
        • profile
        • bsplineprof
        • mkoffset
        • mkplane, mkface
        • mkcurve, mksurface
        • pcurve
        • chfi2d
        • nproject
      • Primitives
        • box, wedge
        • pcylinder, pcone, psphere, ptorus
        • halfspace
      • Sweeping
        • prism
        • revol
        • pipe
        • mksweep, addsweep, setsweep, deletesweep, buildsweep, simulsweep
        • thrusections
      • Topological transformation
        • tcopy
        • tmove, treset
        • ttranslate, trotate
        • tmirror, tscale
      • Old Topological operations
        • fuse, cut, common
        • section, psection
        • sewing
      • New Topological operations
        • bparallelmode
        • bop, bopfuse, bopcut, boptuc, bopcommon
        • bopsection
        • bopcheck, bopargshape
      • Drafting and blending
        • depouille
        • chamf
        • blend
        • bfuseblend
        • bcutblend
        • mkevol, updatevol, buildevol
      • Analysis of topology and geometry
        • lprops, sprops, vprops
        • bounding
        • distmini
        • xdistef, xdistcs, xdistcc, xdistc2dc2dss, xdistcc2ds
        • checkshape
        • tolsphere
        • validrange
      • Surface creation
        • gplate,
        • filling, fillingparam
      • Complex Topology
        • offsetshape, offsetcompshape
        • featprism, featdprism, featrevol, featlf, featrf
        • draft
        • deform
        • nurbsconvert
        • edgestofaces
      • Texture Mapping to a Shape
        • vtexture
        • vtexscale
        • vtexorigin
        • vtexrepeat
        • vtexdefault
    • General Fuse Algorithm commands
      • Definitions
      • General commands
      • Commands for Intersection Part
        • bopds
        • bopdsdump
        • bopindex
        • bopiterator
        • bopinterf
        • bopsp
        • bopcb
        • bopfin
        • bopfon
        • bopwho
        • bopnews
      • Commands for the Building Part
        • bopim
    • Data Exchange commands
      • IGES commands
        • igesread
        • tplosttrim
        • brepiges
      • STEP commands
        • stepread
        • stepwrite
      • General commands
        • count
        • data
        • elabel
        • entity
        • enum
        • estatus
        • fromshape
        • givecount
        • givelist
        • listcount
        • listitems
        • listtypes
        • newmodel
        • param
        • sumcount
        • tpclear
        • tpdraw
        • tpent
        • tpstat
        • xload
      • Overview of XDE commands
        • ReadIges
        • ReadStep
        • WriteIges
        • WriteStep
        • XFileCur
        • XFileList
        • XFileSet
        • XFromShape
      • XDE general commands
        • XNewDoc
        • XShow
        • XStat
        • XWdump
        • Xdump
      • XDE shape commands
        • XAddComponent
        • XAddShape
        • XFindComponent
        • XFindShape
        • XGetFreeShapes
        • XGetOneShape
        • XGetReferredShape
        • XGetShape
        • XGetTopLevelShapes
        • XLabelInfo
        • XNewShape
        • XRemoveComponent
        • XRemoveShape
        • XSetShape
        • XUpdateAssemblies
      • XDE color commands
        • XAddColor
        • XFindColor
        • XGetAllColors
        • XGetColor
        • XGetObjVisibility
        • XGetShapeColor
        • XRemoveColor
        • XSetColor
        • XSetObjVisibility
        • XUnsetColor
      • XDE layer commands
        • XAddLayer
        • XFindLayer
        • XGetAllLayers
        • XGetLayers
        • XGetOneLayer
        • XIsVisible
        • XRemoveAllLayers
        • XRemoveLayer
        • XSetLayer
        • XSetVisibility
        • XUnSetAllLayers
        • XUnSetLayer
      • XDE property commands
        • XCheckProps
        • XGetArea
        • XGetCentroid
        • XGetVolume
        • XSetArea
        • XSetCentroid
        • XSetMaterial
        • XSetVolume
        • XShapeMassProps
        • XShapeVolume
    • Shape Healing commands
      • General commands
        • bsplres
        • checkfclass2d
        • checkoverlapedges
        • comtol
        • convtorevol
        • directfaces
        • expshape
        • fixsmall
        • fixsmalledges
        • fixshape
        • fixwgaps
        • offsetcurve, offset2dcurve
        • projcurve
        • projpcurve
        • projface
        • scaleshape
        • settolerance
        • splitface
        • statshape
        • tolerance
      • Conversion commands
        • DT_ClosedSplit
        • DT_ShapeConvert, DT_ShapeConvertRev
        • DT_ShapeDivide
        • DT_SplitAngle
        • DT_SplitCurve
        • DT_SplitCurve2d
        • DT_SplitSurface
        • DT_ToBspl
    • Performance evaluation commands
      • VDrawSphere
    • Simple vector algebra and measurements
      • Vector algebra commands
        • vec
        • 2dvec
        • pln
        • module
        • 2dmodule
        • norm
        • 2dnorm
        • inverse
        • 2dinverse
        • 2dort
        • distpp
        • 2ddistpp
        • distplp
        • distlp
        • 2ddistlp
        • distppp
        • 2ddistppp
        • barycen
        • 2dbarycen
        • cross
        • 2dcross
        • dot
        • 2ddot
        • scale
        • 2dscale
      • Measurements commands
        • pnt
        • pntc
        • 2dpntc
        • pntsu
        • pntcons
        • drseg
        • 2ddrseg
        • mpick
        • mdist
    • Inspector commands
      • tinspector
    • Extending Test Harness with custom commands
      • Custom command implementation
      • Registration of commands in Test Harness
      • Creating a toolkit (library) as a plug-in
      • Creation of the plug-in resource file
      • Dynamic loading and activation
  • Inspector
    • Introduction
      • Overview
      • Getting started
    • Inspector
      • Overview
      • DFBrowser Plugin
        • Overview
        • Elements
        • Elements cooperation
        • TopoDS_Shape export
      • VInspector Plugin
        • Overview
        • Elements
        • Elements cooperation
      • ShapeView Plugin
        • Overview
        • Elements
        • Elements cooperation
    • Common controls
      • 3D View
        • Overview
        • Elements
    • TInspectorEXE sample
    • Launch in DRAW Test Harness
    • Using in a custom application
    • Build procedure
    • Sources and packaging
    • Glossary
      • TDF_Attribute Simple types
      • TDF_Attribute List types
      • TDF_Attribute Array types
      • XDE tree node ID description
• Developer Guides
  • Building OCCT from sources
    • Building 3rd-party libraries on Windows
      • Introduction
      • Building Mandatory Third-party Products
        • Tcl/Tk
          • Installation from sources: Tcl
          • Installation from sources: Tk
        • FreeType
      • Building Optional Third-party Products
        • TBB
        • gl2ps
        • FreeImage
        • VTK
    • Building 3rd-party libraries on Linux
      • Introduction
      • Building Mandatory Third-party Products
        • Tcl/Tk
          • Installation from sources: Tcl
          • Installation from sources: Tk
        • FreeType
      • Building Optional Third-party Products
        • TBB
        • gl2ps
        • FreeImage
        • VTK
      • Installation From Official Repositories
        • Debian-based distributives
    • Building 3rd-party libraries on MacOS X
      • Introduction
      • Building Mandatory Third-party Products
        • Tcl/Tk 8.5
          • Installation from sources: Tcl 8.5
          • Installation from sources: Tk 8.5
        • FreeType 2.4.10
      • Building Optional Third-party Products
        • TBB 3.x or 4.x
        • gl2ps 1.3.5
        • FreeImage 3.14.1 or 3.15.x
    • Building with CMake
      • General
      • Start CMake
      • Configuration process
      • 3rd party search mechanism
      • Projects generation
      • Building
      • Installation
    • Building with CMake for Android
    • Building with MS Visual C++
      • General
      • Third-party libraries
      • Configuration
      • Projects generation
      • Building
    • Building with Code::Blocks
      • General
      • Third-party libraries
      • Configuration
      • Projects generation
      • Building
    • Building with Xcode
      • General
      • Third-party libraries
      • Configuration
      • Projects generation
      • Building
      • Launching DRAW
  • Documentation System
    • Introduction
    • Prerequisites
    • Documentation Generation
    • Documentation Conventions
      • File Format
      • Directory Structure
    • Adding a New Document
    • Additional Resources
    • Appendix 1: Document Syntax
      • Headers and hierarchic document structure
      • Plain Text
      • Lists
      • Tables
      • Code Blocks
      • Quotes
      • References
      • Images
      • Table Of Contents
      • Formulas
  • Coding Rules
    • Introduction
      • Scope of the document
    • Naming Conventions
      • General naming rules
      • Names of development units
      • Names of variables
    • Formatting rules
    • Documentation rules
    • Application design
    • General C/C++ rules
    • Portability issues
    • Stability issues
    • Performance issues
    • Draw Harness command
    • Examples
  • Contribution Workflow
    • Introduction
      • Use of issue tracker system
      • Access levels
    • Standard workflow for an issue
      • General scheme
      • Issue registration
      • Assigning the issue
      • Resolving the issue
        • Requirements to the code modification
        • Providing a test case
        • Updating user and developer guides
        • Submission of change as a Git branch
        • Requirements to the commit message
        • Marking issue as resolved
      • Code review
      • Testing
      • Integration of a solution
      • Closing an issue
    • Additional workflow elements
      • Requesting more information or specific action
      • Defining relationships between issues
      • Submission of a change as a patch
      • Updating branches in Git
      • Minor corrections
      • Handling non-reproducible issues
    • Appendix: Issue attributes
      • Category
      • Severity
      • Status
      • Resolution
  • Guide to installing and using Git for OCCT development
    • Overview
      • Purpose
      • Git URL
      • Content
      • Short rules of use
      • Version of Git
    • Installing Tools for Work with Git
      • Windows platform
        • Installation of Git for Windows
        • Installation and configuration of TortoiseGit
      • Linux platform
    • Getting access to the repository
      • Prerequisites
      • How to generate a key
        • Generating key with Putty
        • Generating key with command-line tools
        • Generating key with Git GUI
      • Adding public key in your account
    • Work with repository: developer operations
      • General workflow
      • Cloning official repository
      • Branch creation
      • Branch switching
      • Committing branch changes
      • Pushing branch to the remote repository
      • Synchronizing with remote repository
      • Applying a fix made on older version of OCCT
      • Rebasing with history clean-up
    • Work with repository: Reviewer operations
      • Review branch changes using GitWeb
      • Review branch changes with TortoiseGit
  • Automated Testing System
    • Introduction
      • Basic Information
      • Intended Use of Automatic Tests
      • Quick Start
        • Setup
        • Running Tests
        • Running a Single Test
        • Creating a New Test
    • Organization of Test Scripts
      • General Layout
      • Test Groups
        • Group Names
        • File "grids.list"
        • File "begin"
        • File "end"
        • File "parse.rules"
        • Directory "data"
      • Test Grids
        • Grid Names
        • File "begin"
        • File "end"
        • File "cases.list"
        • Directory "data"
      • Test Cases
    • Creation And Modification Of Tests
      • Choosing Group, Grid, and Test Case Name
      • Adding Data Files Required for a Test
      • Adding new DRAW commands
      • Script Implementation
      • Interpretation of test results
      • Marking BAD cases
      • Marking required output
    • Advanced Use
      • Running Tests on Older Versions of OCCT
      • Adding custom tests
      • Parallel execution of tests
      • Checking non-regression of performance, memory, and visualization
    • APPENDIX
      • Test groups
        • 3rdparty
        • blend
        • boolean
        • bugs
        • caf
        • chamfer
        • demo
        • draft
        • feat
        • heal
        • mesh
        • mkface
        • nproject
        • offset
        • pipe
        • prism
        • sewing
        • thrusection
        • xcaf
      • Mapping of OCCT functionality to grid names in group *bugs*
      • Recommended approaches to checking test results
        • Shape validity
        • Shape tolerance
        • Shape volume, area, or length
        • Memory leaks
        • Visualization
        • Number of free edges
        • Compare numbers
        • Check number of sub-shapes
        • Check pixel color
        • Compute length, area and volume of input shape
        • Parse output dump and compare it with reference values
        • Compute length of input curve
        • Check maximum deflection, number of triangles and nodes in mesh
  • Debugging tools and hints
    • Introduction
    • Compiler macro to enable extended debug messages
    • Calling JIT debugger on exception
    • Self-diagnostics in Boolean operations algorithm
    • Functions for calling from debugger
      • Interacting with DRAW
      • Saving and dumping shapes and geometric objects
    • Using Visual Studio debugger
      • Command window
      • Customized display of variables content
    • Performance measurement tools
  • Upgrade from older OCCT versions
    • Introduction
      • Precautions
      • Disclaimer
    • Upgrade to OCCT 6.5.0
    • Upgrade to OCCT 6.5.1
    • Upgrade to OCCT 6.5.2
    • Upgrade to OCCT 6.5.3
    • Upgrade to OCCT 6.5.4
    • Upgrade to OCCT 6.6.0
    • Upgrade to OCCT 6.7.0
      • Object-level clipping and capping algorithm.
      • Redesign of markers presentation
      • Default views are not created automatically
      • Improved dimensions implementation
      • NCollection_Set replaced by List collection
    • Upgrade to OCCT 6.8.0
      • Changes in NCollection classes
      • 3D View Camera
      • Redesign of Connected Interactive Objects
      • Support of UNICODE Characters
      • Elimination of Projection Shift Concept
    • Upgrade to OCCT 6.9.0
      • 3D Viewer initialization
      • Changes in Selection
      • Changes in Adaptor3d_Curve class
      • Changes in V3d_View class
    • Upgrade to OCCT 7.0.0
      • Removal of legacy persistence
      • Removal of CDL and WOK
        • Automatic upgrade
        • Possible compiler errors
        • Possible runtime problems
        • Option to avoid cast of handle to reference to base type
        • Preserving compatibility with OCCT 6.x
        • Applications based on CDL and WOK
      • Separation of BSpline cache
      • Structural result of Boolean operations
      • BRepExtrema_ExtCC finds one solution only
      • Removal of SortTools package
      • On-screen objects and ColorScale
      • UserDraw and Visual3d
      • Deprecation of Local Context
      • Separation of visualization part from TKCAF
      • Correction of interpretation of Euler angles in gp_Quaternion
      • Zoom Persistent Selection
      • Texture mapping of objects
      • Shape presentation builders
    • Upgrade to OCCT 7.1.0
      • Presentation attributes
      • Typedefs
      • Programmable Pipeline
      • Transformation persistence
      • Dynamic highlight and selection properties
      • Correction in TObj_Model class
      • Redundant environment variables
      • Removed features
      • Other changes
    • Upgrade to OCCT 7.2.0
      • Removed features
      • Corrections in BRepOffset API
      • Corrections in BRepOffset API
      • Highlight style
      • Elimination of implicit 3D Viewer updates
      • Elimination of Quantity_NameOfColor from TKV3d interface classes
      • Result of Boolean operations on containers
      • Other changes
      • BOP - Pairs of interfering indices
      • Removal of the Draw commands based on old Boolean operations
      • Change of Face/Face intersection in Boolean operations
      • Restore OCCT 6.9.1 persistence
      • Change in BRepLib_MakeFace algorithm
      • Change in BRepFill_OffsetWire algorithm
      • Change in Geom(2d)Adaptor_Curve::IsPeriodic
      • Change in algorithm ShapeUpgrade_UnifySameDomain
      • Changes in STL Reader / Writer
      • Refactoring of the Error/Warning reporting system in Boolean Component
• License
  • GNU LESSER GENERAL PUBLIC LICENSE
  • OPEN CASCADE EXCEPTION

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