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  • General_Information
    • C3D Toolkit
    • Structure and Distinctive Features
    • C3D API
    • Functionality
    • Theoretical Foundations
  • Quick Start
    • Package
    • Test Application
    • Development in the .NET Environment
  • C3D Modeler
    • METHODS USED TO BODIES CONSTRUCTING
      • Constructing an Elementary Body
        • Constructing an Elementary Body Based on Control Points
        • Constructing an Elementary Body by a Given Surface
      • Constructing an Extrusion Body
      • Constructing a Revolution Body
      • Constructing a Body by Sections
        • Constructing a Body by Planar Sections
      • Creating a Body by a Specified Set of Faces or a Shell
      • Constructing an Open Body Based on a Surface
      • Constructing a Ruled Body
      • Constructing a Body from a Curve Grid
      • Constructing a Patch
      • Stiching Body Faces
      • Construction of Body Based on Curves or Curve Points
        • Construction of Body Based on Curves
        • Construction of Body Based on Curve Points
      • Construction of Equidistant Body
      • Extension of Body Face
      • Constructing an Ingot Body from Given Objects
      • Constructing a Body Based on a Polygonal Model
    • OPERATIONS ON BODIES
      • Boolean Operation on Bodies
      • Boolean Operation on Extrusion Body
      • Boolean Operation on Revolution Body
      • Boolean Operation with Kinematic Body
      • Boolean Operation with a Body Constructed on the Basis of Planar Sections
      • Cutting a Body into Parts
        • Cutting a Body by a Flat Contour
        • Cutting a Body by a Surface
        • Cutting a Body by a Shell
      • Constructing a Symmetrical Body
      • Rounding Off Body Vertices and Edges
        • Rounding Edges with a Constant Radius
        • Rounding Edges with a Variable Radius
        • Rounding Vertices and Adjacent Edges with a Constant Radius
      • Constructing a Body with Edge Chamfers
      • Constructing a Thin-Wall Body
      • Constructing a Thin-Wall Body with Various Wall Thickness
      • Constructing a Body by Thickening the Surface
      • Boolean Operation on a Body and a Set of Bodies
      • Merging a Set of Bodies
      • Splitting Body Faces
      • Constructing a Hole, Pocket or Slot in a Body
      • Constructing a Body with an Enforcement Rib
      • Face Body Sloping
      • Multiplication of Body
      • Dividing a shell into parts using a given set of edges
    • TWO-DIMENSIONAL CURVE CONSTRUCTION METHODS
      • Constructing a Two-Dimensional Straight Line/Segment
      • Constructing a Two-Dimensional Circle, Ellipse and their Arcs
      • Constructing Two-Dimensional NURBS Curve
      • Constructing a Regular Polygon
      • Constructing Two-Dimensional Cosine Wave
      • Constructing Two-Dimensional Compound Curve
      • Constructing Surface and Plane Intersection Curves
      • Constructing a Two-Dimensional Face Edge Curve
      • Projecting a Curve onto a Surface
    • CURVE CONSTRUCTION METHODS
      • Constructing a Line and a Segment
      • Constructing a Circle, an Ellipse, and Their Arcs
      • Construction of a Regular Polygon
      • Constructing a Compound Curve
      • Curve Extension
      • Wireframe Extension
    • SURFACE CONSTRUCTION METHODS
      • Elementary Surface Construction
      • NURBS Surface Construction
      • Construction of an extrusion surface
      • Construction of a Revolution Surface
      • Construction of a Surface Based on a Curve Grid
      • Construction of a Surface with Arbitrary Borders
    • DIRECT MODELING METHODS
      • Constructing a Modified Solid
      • Constructing a Deformable Body
      • Constructing a Deformable Block
      • Constructing a Smoothed Surface
      • Constructing a Transformed Body
    • SHEET METAL BODY CONSTRUCTION METHODS
      • Constructing a Sheet Body
      • Pairing Sheet Body Bends
      • Checking Whether a Face Can Be Fixed
      • Searching for Faces for a Curve
      • Searching for a Sheet Body Face
      • Searching for a Mate Face of a Sheet Body Bend
      • Searching for a Flat Sheet Body Face
      • Searching for a Mate Face in a Sheet Body
      • Determining the Distance Between Similar Faces
      • Searching for Similar Bends
      • Searching for a Tangency Point in a Sheet Body Bend
      • Searching for a Bend Centerline
    • AUXILIARY METHODS
      • Calculating the Depth of an Extrusion Body or the Angle of a Revolution Body
      • Determining the Curve Image for Extrusion or Rotation
      • Determining Extrusion or Rotation Parameters
      • Determining the Orientation of the Generatrix
      • Determining the Orientation of the Cutting Surface
      • Orientation of Сurves of a Swept Body
      • Copying the Guiding Curve of a Sweep Body
      • Constructing a rib
      • Checking a Curve for Ruled Body Construction
      • Checking Curve Parameters for Constructing a Ruled Body
      • Checking a Curve for Joint Body Construction
      • Checking Curve Parameters for Joint Body Construction
      • Constructing a Curve from a Set of Edges
      • Determining Curve Crossing Points
    • ELEMENTARY OBJECTS
      • Vector in three-dimensional space MbVector3D
      • Radius Vector of a Point in Three-Dimensional Space MbCartPoint3D
      • Homogeneous Vector in Three-Dimensional Space MbHomogenius3D
      • Local Coordinate System MbPlacement3D
      • Extended Matrix in Three-Dimensional Space MbMatrix3D
      • Bounding Box in Three-Dimensional Space MbCube
      • MbRect1D Univariate Dimension
      • MbVector in Two-Dimensional Space
      • MbDirection Normalized Vector in Two-Dimensional Space
      • Point Radius Vector in Two-Dimensional Space MbCartPoint
      • Homogeneous Vector in Two-Dimensional Space MbHomogeneous
      • Local Coordinate System MbPlacement
      • Extended Matrix in Two-Dimensional Space MbMatrix
      • Bounding Rectangle in Two-Dimensional Space MbRect
    • GEOMETRICAL OBJECTS
      • MbRefItem Reference Counter
      • Three-Dimensional Geometric Object MbSpaceItem
      • Topological Object MbTopItem
      • Two-Dimensional Geometric Object MbPlaneItem
    • TWO-DIMENSIONAL CURVES
      • Two-Dimensional Line MbLine
      • Two-Dimensional Line Segment MbLineSegment
      • MbPointCurve Two-Dimensional Curve-Point
      • Two-Dimensional Projection Curve MbProjCurve
      • Two-Dimensional Contour MbContour
    • CURVES
      • MbCurve3D Curve
      • MbLine3D Straight Line
      • MbLineSegment3D Straight-Line Segment
      • MbArc3D Elliptical Arc
      • Polyline MbPolyline3D
      • MbNurbs3D NURBS Curve
      • MbHermit3D Hermite Curve
      • MbBezier3D Bezier Composite Curve
      • Cubic Spline MbCubicSpline3D
      • Trimmed Curve MbTrimmedCurve3D
      • Reparametrized Curve MbReparamCurve3D
      • Equidistant Curve MbOffsetCurve3D
      • MbCharacterCurve3D Character Curve
      • MbConeSpiral Conical Spiral
      • MbCurveSpiral Variable Radius Spiral
      • MbCrookedSpiral Spiral with Curved Planar Axis
      • MbBridgeCurve3D Bridge Curve
      • MbContour3D Contour
      • MbPlaneCurve Plane Curve
      • MbSurfaceCurve Curve on Surface
      • MbSilhouetteCurve Silhouette Curve
      • MbContourOnSurface Contour on Surface
      • MbContourOnPlane Contour on Plane
      • MbSurfaceIntersectionCurve Surface Intersection Curve
    • SURFACES
      • MbSurface Surface
      • MbPlane Plane
      • MbCylinderSurface Cylindrical Surface
      • MbConeSurface Conical Surface
      • MbSphereSurface Spherical Surface
      • MbTorusSurface Toroidal Surface
      • MbExtrusionSurface Extrusion Surface
      • MbRevolutionSurface Revolution Surface
      • MbExpansionSurface Motion Surface
      • MbSpiralSurface Spiral Surface
      • MbEvolutionSurface Swept Surface
      • MbExactionSurface Swept Surface with Adaptation
      • MbSectorSurface Sectorial Surface
      • MbRuledSurface Ruled Surface
      • MbLoftedSurface Surface Based on a Family of Curves
      • MbElevationSurface Surface Based on a Family of Curves And a Guiding Curve
      • MbCornerSurface Surface Based on Three Curves
      • MbCoverSurface Coons Surface
      • MbCoonsPatchSurface Coons Surface
      • MbMeshSurface Surface Based on a Network of Curves
      • MbJoinSurface Joint Surface
      • MbSplineSurface NURBS Surface
      • MbOffsetSurface Equidistant Surface
      • MbChamferSurface Chamfer Surface
      • MbFilletSurface Fillet Surface
      • MbChannelSurface Fillet Surface
      • MbCurveBoundedSurface Surface with Arbitrary Borders
    • SPECIAL OBJECTS
      • MbFunction Function
      • MbConstFunction Constant Function
      • MbLineFunction Linear Function
      • MbCubicFunction Cubic Hermite Function
      • MbCubicSplineFunction Cubic Spline Function
      • MdCharacterFunction Character Function
      • Multiline MbMultiline
      • MbContourWithBreaks Two-Dimensional Contour with Breaks
      • MbRegion Region
      • MbLegend Auxiliary Geometric Object
      • MbMarker Marker
      • MbThread Thread Graphic Symbol
      • MbPointsSymbol Symbol
      • MbRough Surface Finish Symbol
      • MbLeader Leader Line Symbol
    • TOPOLOGICAL OBJECTS
      • MbTopologyItem Topological Object
      • MbFace Face
      • MbEdge Edge
      • MbVertex Vertex
      • MbCurveEdge Face Edge
      • MbLoop Face Cycle
      • MbOrientedEdge Oriented Face Edge
      • MbFaceShell Set of Faces
      • Copying a Set of Faces MbFaceShell
      • Naming of Faces, Edges and Vertices
      • Operation Principles of Change Flags of Topological Objects
    • OBJECTS OF GEOMETRIC MODEL
      • MbItem Geometric Model Object
      • MbSolid Solid Body
      • MbWireFrame Wireframe
      • MbPointFrame Point Frame
      • MbMesh Polygonal Object
      • MbInstance Insertion
      • MbAssembly Assembly Unit
      • MbSpaceInstance Three-Dimensional Object Insertion
      • MbPlaneInstance Two-Dimensional Object Insertion
      • MbAssistingItem Auxiliary Object
      • MbPolymesh Polygonal Object with Topology
    • MULTITHREADING
      • Thread-Safety of Kernel Objects
      • Multithreaded Caches Implementation
        • Cache Manager CacheManager
        • Base Cached Data Class AuxiliaryData
      • Garbage Collection in Cache Manager
        • Base Class for Objects that Require Garbage Collection
        • Class MbGarbageCollection
      • Kernel Multithreading Modes
      • Synchronization Objects
        • Locks
        • Base Synchronization Objects
      • Support of Multithreading in User Application
        • Protection of Parallel Code in User Application
        • The Examples of Notifying the Kernel about its Use in Parallel Computing
        • Quick Reference on Organizing Parallel cComputing Using C3D Interfaces
    • FORMAT C3D
      • Format for Storing Geometric Model
        • Notions and Terms
        • Geometric Model Serialization
        • Compact Format C3D
        • Extended Format C3D
        • Model Table of Contents
        • Working with Embodiments
      • Read and Write Streaming Objects
        • Base Class for Read and Write Streams
        • Write Streams
        • Read Streams
        • Scoped Progress Indicator for Reading Classes
        • Read-Write Stream
        • Model Tree
        • Streaming Objects
        • Modes of Streaming Operations
        • Stream States
      • Working with Streaming Buffer
        • Cluster
        • File Space
        • Read/write Position
        • Streaming Sequential Buffer
        • Streaming Buffer with Arbitrary Access
        • Memory Streaming Buffer
        • Reading and Writing Memory Buffer
      • Version Container
    • ATTRIBUTES
      • MbVisual Attribute Class for Storing Optical Properties of Geometric Objects for Display Properties
    • CONSTRUCTING TRIANGULATION
      • Triangulation Calculation Control
      • Constructing a Polygonal Object
      • Adding a Polygonal Object
      • Constructing Polygons for an Object
      • Constructing Triangulation for a Face
      • Constructing Triangulation for a Body
      • Constructing Polygonal Objects for a Set of Bodies
    • CONSTRUCTING FLAT PROJECTIONS
      • Data Required to Construct Flat Projections
      • Constructing Model Flat Projection
      • Constructing Polygonal Projections of Bodies
      • Constructing a Triangulation Outline
    • CALCULATION OF INERTIAL CHARACTERISTICS
      • Inertial Characteristics of a Model
      • Inertial Body Characteristics
      • Inertial Characteristics for a Set of Bodies
      • Inertial Characteristics of a Model
      • Surface Area Calculation
      • Solid Volume Calculation
  • C3D B-Shaper
    • Automatic Shell Recognition Mode by Polygon Mesh
    • MbMeshProcessor Class – Shell Creation
    • Recognition Tolerance
    • Polygon Mesh Segmentation Editing
    • Surface Reconstruction on a Segment
  • C3D PolyShaper
    • Features of Implementing a Doubly Linked List of Edges
    • Mesh Iterators
    • Segmentation and Segmentation Iterators
    • The Topology of the MbPolymeshTopo Polygon Object
      • General Purpose Methods
      • Methods for Working with the Mesh
      • Methods for Working with Segmentation
      • Methods for Working With Mesh and Segmentation Attributes
    • Mesh and Segmentation Attributes
    • Edge-Dependent Attributes
  • C3D Collision Detection
    • Detecting the Intersection of Two Bodies
    • Determining Collisions in the Set of Bodies
    • Collision Detection Queries
    • Configuring a Collision Detection Query
    • Grouping Bodies Included in the Control Set
  • C3D Solver
    • TWO-DIMENSIONAL GEOMETRIC SOLVER
      • Assignment of GCE Geometric Solver
      • Embedding in an Application
      • Supported Geometry Types
      • Types of Geometric Constraints and Dimensions
      • Basic Data Types of GCE Solver API
      • Geometric Constraint System
      • Representation of Geometric Objects
      • Degrees of Freedom
      • Add and Delete Geometric Objects
      • Fixing and Freezing Geometric Objects
      • Geometric Object Control Points
      • Scalar Variables
      • Linear Equation
      • API Call Journalling
      • Callback functions
    • TWO-DIMENSIONAL DIMENSIONS
      • Auxiliary Points of Distance Dimension
      • Driving and Variational Dimensions
      • Zero Dimensions and Signed Dimensions
      • Distance Dimension
      • Directed Distance Dimension
      • Distance From a Point to a Segment
      • Angular Dimensions
      • Angular Dimension Based on 3 or 4 Points
      • Radial and Diameter Dimensions
    • TWO-DIMENSIONAL LOGICAL CONSTRAINTS
      • Coincidence of a Point and Other Object
      • Alignment of Points
      • Parallelism/Perpendicularity
      • Collinearity
      • Equal Curve Properties
      • Unary Constraints: Horizontality/Verticality and Fixing Variants
      • Length Fixing
      • Radius Fixing
      • Angular Position Constraint
      • Tangency
      • Multiple and End Tangencies
      • Mirror Symmetry
      • Bisector
      • Middle Point
      • Mutual Object Positioning
    • CALCULATION OF TWO-DIMENSIONAL CONSTRAINTS
      • Calculating the Constraint System
      • Changing or Requesting the Geometry State
      • Initial Approximation
      • Underdefined Constraint Systems
      • Degrees of Freedom Analysis
      • Information Requests
      • Dragging of Geometric Objects
      • Geometric Transformation
      • Redundancy Test
    • TWO-DIMENSIONAL SPLINES AND PARAMETRIC CURVES
      • Spline Curves
      • General Parametric Curves
      • Constraints Based on Parametric Curves
    • THREE-DIMENSIONAL GEOMETRIC SOLVER
      • Terms and Definitions
      • Assigning the GCE geometric solver
      • Embedding the GCM component into an application
      • Supported geometry types
      • Supported constraint types
      • Basic data types of GCM solver API
      • Geometric constraint system
      • Representation of geometric objects
      • Adding and deleting geometric objects
      • Adding and deleting geometric restrictions
      • GCM_alignment option
      • Geometric scene clustering, assembly modeling
      • Evaluating the constraint system
      • Diagnostic codes of a solution
      • Driving dimensions
      • Journalling API calls of the GCM solver
  • C3D Converter
    • Converter Operation Principles
    • How to Work with the Converter
    • Exchange Format Features
    • IConvertorProperty3D Converter Property
    • ItModelDocument Model Document
    • IProgressIndicator Progress Indicator
    • Model Tree Architecture
    • Product Attributes
    • Model Configuration Import
    • C3D Converter Plugins
    • IFC Import
    • Import of Construction Format Metadata
    • Auxiliary Converter Methods
    • Creating a Solid from User Objects
  • Reference Materials
    • Operation Result Codes
      • MbResultType Enumeration
      • MbeStitchResType Enumeration
    • Blend Surface Construction Methods (Fillet or Chamfer)
  • General_Information
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General_Information

  • C3D Toolkit
  • Structure and Distinctive Features
  • C3D API
  • Functionality
  • Theoretical Foundations
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