StepToTopoDS

OCCT package StepToTopoDS: StepToTopoDS, StepToTopoDS_Builder, StepToTopoDS_BuilderError, StepToTopoDS_GeometricTool, and 23 more bound classes.

This package implements the mapping between AP214 Shape representation and CAS.CAD Shape Representation. The source schema is Part42 (which is included in AP214).

Instance methods(14)

Init(S: StepShape_EdgeBasedWireframeModel, TP: Transfer_TransientProcess, theLocalFactors: StepData_Factors): void
Parameters (3)
- S
- TP
- theLocalFactors
Init(S: StepShape_FaceBasedSurfaceModel, TP: Transfer_TransientProcess, theLocalFactors: StepData_Factors): void
Parameters (3)
- S
- TP
- theLocalFactors
Init(theManifoldSolid: StepShape_ManifoldSolidBrep, theTP: Transfer_TransientProcess, theLocalFactors: StepData_Factors, theProgress: Message_ProgressRange): void
Parameters (4)
- theManifoldSolid
- theTP
- theLocalFactors
- theProgress
Init(theBRepWithVoids: StepShape_BrepWithVoids, theTP: Transfer_TransientProcess, theLocalFactors: StepData_Factors, theProgress: Message_ProgressRange): void
Parameters (4)
- theBRepWithVoids
- theTP
- theLocalFactors
- theProgress
Init(theFB: StepShape_FacetedBrep, theTP: Transfer_TransientProcess, theLocalFactors: StepData_Factors, theProgress: Message_ProgressRange): void
Parameters (4)
- theFB
- theTP
- theLocalFactors
- theProgress
Init(theFBABWV: StepShape_FacetedBrepAndBrepWithVoids, theTP: Transfer_TransientProcess, theLocalFactors: StepData_Factors, theProgress: Message_ProgressRange): void
Parameters (4)
- theFBABWV
- theTP
- theLocalFactors
- theProgress
Init(theTSS: StepVisual_TessellatedSurfaceSet, theTP: Transfer_TransientProcess, theHasGeom: boolean, theLocalFactors: StepData_Factors): { theHasGeom: boolean }
Parameters (4)
- theTSS
- theTP
- theHasGeom
- theLocalFactors
Init(S: StepShape_ShellBasedSurfaceModel, TP: Transfer_TransientProcess, NMTool: StepToTopoDS_NMTool, theLocalFactors: StepData_Factors, theProgress: Message_ProgressRange): void
Parameters (5)
- S
- TP
- NMTool
- theLocalFactors
- theProgress
Init(theTF: StepVisual_TessellatedFace, theTP: Transfer_TransientProcess, theReadTessellatedWhenNoBRepOnly: boolean, theHasGeom: boolean, theLocalFactors: StepData_Factors): { theHasGeom: boolean }
Parameters (5)
- theTF
- theTP
- theReadTessellatedWhenNoBRepOnly
- theHasGeom
- theLocalFactors
Init(S: StepShape_GeometricSet, TP: Transfer_TransientProcess, theLocalFactors: StepData_Factors, RA: Transfer_ActorOfTransientProcess, isManifold: boolean, theProgress: Message_ProgressRange): void
Parameters (6)
- S
- TP
- theLocalFactors
- RA
- isManifold
- theProgress
Init(theTSo: StepVisual_TessellatedSolid, theTP: Transfer_TransientProcess, theReadTessellatedWhenNoBRepOnly: boolean, theHasGeom: boolean, theLocalFactors: StepData_Factors, theProgress: Message_ProgressRange): { theHasGeom: boolean }
Parameters (6)
- theTSo
- theTP
- theReadTessellatedWhenNoBRepOnly
- theHasGeom
- theLocalFactors
- theProgress
Init(theTSh: StepVisual_TessellatedShell, theTP: Transfer_TransientProcess, theReadTessellatedWhenNoBRepOnly: boolean, theHasGeom: boolean, theLocalFactors: StepData_Factors, theProgress: Message_ProgressRange): { theHasGeom: boolean }
Parameters (6)
- theTSh
- theTP
- theReadTessellatedWhenNoBRepOnly
- theHasGeom
- theLocalFactors
- theProgress
Value(): TopoDS_Shape
Error(): StepToTopoDS_BuilderError

StepToTopoDS_BuilderError

Properties(2)

StepToTopoDS_BuilderDone:'StepToTopoDS_BuilderDone'readonly
StepToTopoDS_BuilderOther:'StepToTopoDS_BuilderOther'readonly

StepToTopoDS_GeometricTool

This class contains some algorithmic services specific to the mapping STEP to CAS.CADE.

Constructors(1)

constructor(): StepToTopoDS_GeometricTool

Static methods(4)

PCurve(SC: StepGeom_SurfaceCurve, S: StepGeom_Surface, last: number): { returnValue: number; PC: StepGeom_Pcurve; [Symbol.dispose](): void }
Parameters (3)
- SC
- S
- last
IsSeamCurve(SC: StepGeom_SurfaceCurve, S: StepGeom_Surface, E: StepShape_Edge, EL: StepShape_EdgeLoop): boolean
Parameters (4)
- SC
- S
- E
- EL
IsLikeSeam(SC: StepGeom_SurfaceCurve, S: StepGeom_Surface, E: StepShape_Edge, EL: StepShape_EdgeLoop): boolean
Parameters (4)
- SC
- S
- E
- EL
UpdateParam3d(C: Geom_Curve, w1: number, w2: number, preci: number): { returnValue: boolean; w1: number; w2: number }
Parameters (4)
- C
- w1
- w2
- preci

StepToTopoDS_GeometricToolError

Properties(6)

StepToTopoDS_GeometricToolDone:'StepToTopoDS_GeometricToolDone'readonly
StepToTopoDS_GeometricToolIsDegenerated:'StepToTopoDS_GeometricToolIsDegenerated'readonly
StepToTopoDS_GeometricToolHasNoPCurve:'StepToTopoDS_GeometricToolHasNoPCurve'readonly
StepToTopoDS_GeometricToolWrong3dParameters:'StepToTopoDS_GeometricToolWrong3dParameters'readonly
StepToTopoDS_GeometricToolNoProjectiOnCurve:'StepToTopoDS_GeometricToolNoProjectiOnCurve'readonly
StepToTopoDS_GeometricToolOther:'StepToTopoDS_GeometricToolOther'readonly

StepToTopoDS_MakeTransformed

StepToTopoDS_Root

Produces instances by Transformation of a basic item.

Constructors(1)

constructor(): StepToTopoDS_MakeTransformed

Instance methods(5)

Compute(Origin: StepGeom_Axis2Placement3d, Target: StepGeom_Axis2Placement3d, theLocalFactors: StepData_Factors): boolean
Computes a transformation to pass from an Origin placement to a Target placement. Returns True when done If not done, the transformation will by Identity.
Parameters (3)
- Origin
- Target
- theLocalFactors
Compute(Operator: StepGeom_CartesianTransformationOperator3d, theLocalFactors: StepData_Factors): boolean
Computes a transformation defined by an operator 3D.
Parameters (2)
- Operator
- theLocalFactors
Transformation(): gp_Trsf
Returns the computed transformation (Identity if not yet or if failed).
Transform(shape: TopoDS_Shape): boolean
Applies the computed transformation to a shape Returns False if the transformation is Identity.
Parameters (1)
- shape —
  Mutated in place; read the updated value from this argument after the call.
TranslateMappedItem(mapit: StepRepr_MappedItem, TP: Transfer_TransientProcess, theLocalFactors?: StepData_Factors, theProgress?: Message_ProgressRange): TopoDS_Shape
Translates a MappedItem. More precisely A MappedItem has a MappingSource and a MappingTarget MappingSource has a MappedRepresentation and a MappingOrigin MappedRepresentation is the basic item to be instanced MappingOrigin is the starting placement MappingTarget is the final placement.
Hence, the transformation from MappingOrigin and MappingTarget is computed, the MappedRepr. is converted to a Shape, then transformed as an instance of this Shape
Parameters (4)
- mapit
- TP
- theLocalFactors
- theProgress

StepToTopoDS_NMTool

Provides data to process non-manifold topology when reading from STEP.

Constructors(2)

constructor(): StepToTopoDS_NMTool
constructor(MapOfRI: NCollection_DataMap_handle_StepRepr_RepresentationItem_TopoDS_Shape, MapOfRINames: NCollection_DataMap_TCollection_AsciiString_TopoDS_Shape): StepToTopoDS_NMTool
Parameters (2)
- MapOfRI
- MapOfRINames

Instance methods(15)

Init(MapOfRI: NCollection_DataMap_handle_StepRepr_RepresentationItem_TopoDS_Shape, MapOfRINames: NCollection_DataMap_TCollection_AsciiString_TopoDS_Shape): void
Parameters (2)
- MapOfRI
- MapOfRINames
SetActive(isActive: boolean): void
Parameters (1)
- isActive
IsActive(): boolean
CleanUp(): void
IsBound(RI: StepRepr_RepresentationItem): boolean
Parameters (1)
- RI
IsBound(RIName: TCollection_AsciiString): boolean
Parameters (1)
- RIName
Bind(RI: StepRepr_RepresentationItem, S: TopoDS_Shape): void
Parameters (2)
- RI
- S
Bind(RIName: TCollection_AsciiString, S: TopoDS_Shape): void
Parameters (2)
- RIName
- S
Find(RI: StepRepr_RepresentationItem): TopoDS_Shape
Parameters (1)
- RI
Find(RIName: TCollection_AsciiString): TopoDS_Shape
Parameters (1)
- RIName
RegisterNMEdge(Edge: TopoDS_Shape): void
Parameters (1)
- Edge
IsSuspectedAsClosing(BaseShell: TopoDS_Shape, SuspectedShell: TopoDS_Shape): boolean
Parameters (2)
- BaseShell
- SuspectedShell
IsPureNMShell(Shell: TopoDS_Shape): boolean
Parameters (1)
- Shell
SetIDEASCase(IDEASCase: boolean): void
Parameters (1)
- IDEASCase
IsIDEASCase(): boolean

StepToTopoDS_PointPair

Stores a pair of Points from step.

Constructors(1)

constructor(P1: StepGeom_CartesianPoint, P2: StepGeom_CartesianPoint): StepToTopoDS_PointPair
Parameters (2)
- P1
- P2

Instance methods(2)

StepToTopoDS_Root

This class implements the common services for all classes of StepToTopoDS which report error and sets and returns precision.

Instance methods(5)

IsDone(): boolean
Precision(): number
Returns the value of "MyPrecision".
SetPrecision(preci: number): void
Sets the value of "MyPrecision".
Parameters (1)
- preci
MaxTol(): number
Returns the value of "MaxTol".
SetMaxTol(maxpreci: number): void
Sets the value of MaxTol.
Parameters (1)
- maxpreci

StepToTopoDS_Tool

This Tool Class provides Information to build a Cas.Cad BRep from a ProSTEP Shape model.

Constructors(2)

constructor(): StepToTopoDS_Tool
constructor(Map: NCollection_DataMap_handle_StepShape_TopologicalRepresentationItem_TopoDS_Shape, TP: Transfer_TransientProcess): StepToTopoDS_Tool
Parameters (2)
- Map
- TP

Instance methods(27)

Init(Map: NCollection_DataMap_handle_StepShape_TopologicalRepresentationItem_TopoDS_Shape, TP: Transfer_TransientProcess): void
Parameters (2)
- Map
- TP
IsBound(TRI: StepShape_TopologicalRepresentationItem): boolean
Parameters (1)
- TRI
Bind(TRI: StepShape_TopologicalRepresentationItem, S: TopoDS_Shape): void
Parameters (2)
- TRI
- S
Find(TRI: StepShape_TopologicalRepresentationItem): TopoDS_Shape
Parameters (1)
- TRI
ClearEdgeMap(): void
IsEdgeBound(PP: StepToTopoDS_PointPair): boolean
Parameters (1)
- PP
BindEdge(PP: StepToTopoDS_PointPair, E: TopoDS_Edge): void
Parameters (2)
- PP
- E
FindEdge(PP: StepToTopoDS_PointPair): TopoDS_Edge
Parameters (1)
- PP
ClearVertexMap(): void
IsVertexBound(PG: StepGeom_CartesianPoint): boolean
Parameters (1)
- PG
BindVertex(P: StepGeom_CartesianPoint, V: TopoDS_Vertex): void
Parameters (2)
- P
- V
FindVertex(P: StepGeom_CartesianPoint): TopoDS_Vertex
Parameters (1)
- P
ComputePCurve(B: boolean): void
Parameters (1)
- B
ComputePCurve(): boolean
TransientProcess(): Transfer_TransientProcess
AddContinuity(GeomSurf: Geom_Surface): void
Parameters (1)
- GeomSurf
AddContinuity(GeomCurve: Geom_Curve): void
Parameters (1)
- GeomCurve
AddContinuity(GeomCur2d: Geom2d_Curve): void
Parameters (1)
- GeomCur2d
C0Surf(): number
C1Surf(): number
C2Surf(): number
C0Cur2(): number
C1Cur2(): number
C2Cur2(): number
C0Cur3(): number
C1Cur3(): number
C2Cur3(): number

StepToTopoDS_TranslateCompositeCurve

StepToTopoDS_Root

Translate STEP entity composite_curve to TopoDS_Wire If surface is given, the curve is assumed to lie on that surface and in case if any segment of it is a curve_on_surface, the pcurve for that segment will be taken. Note: a segment of composite_curve may be itself composite_curve. Only one-level protection against cyclic references is implemented.

Constructors(3)

constructor(): StepToTopoDS_TranslateCompositeCurve
Empty constructor.
constructor(CC: StepGeom_CompositeCurve, TP: Transfer_TransientProcess, theLocalFactors?: StepData_Factors): StepToTopoDS_TranslateCompositeCurve
Translates standalone composite_curve.
Parameters (3)
- CC
- TP
- theLocalFactors
constructor(CC: StepGeom_CompositeCurve, TP: Transfer_TransientProcess, S: StepGeom_Surface, Surf: Geom_Surface, theLocalFactors?: StepData_Factors): StepToTopoDS_TranslateCompositeCurve
Translates composite_curve lying on surface.
Parameters (5)
- CC
- TP
- S
- Surf
- theLocalFactors

Instance methods(4)

Init(CC: StepGeom_CompositeCurve, TP: Transfer_TransientProcess, theLocalFactors: StepData_Factors): boolean
Translates standalone composite_curve.
Parameters (3)
- CC
- TP
- theLocalFactors
Init(CC: StepGeom_CompositeCurve, TP: Transfer_TransientProcess, S: StepGeom_Surface, Surf: Geom_Surface, theLocalFactors: StepData_Factors): boolean
Translates composite_curve lying on surface.
Parameters (5)
- CC
- TP
- S
- Surf
- theLocalFactors
Value(): TopoDS_Wire
Returns result of last translation or null wire if failed.
IsInfiniteSegment(): boolean
Returns True if composite_curve contains a segment with infinite parameters.

StepToTopoDS_TranslateCurveBoundedSurface

StepToTopoDS_Root

Translate curve_bounded_surface into TopoDS_Face.

Constructors(2)

constructor(): StepToTopoDS_TranslateCurveBoundedSurface
Create empty tool.
constructor(CBS: StepGeom_CurveBoundedSurface, TP: Transfer_TransientProcess, theLocalFactors?: StepData_Factors): StepToTopoDS_TranslateCurveBoundedSurface
Translate surface.
Parameters (3)
- CBS
- TP
- theLocalFactors

Instance methods(2)

Init(CBS: StepGeom_CurveBoundedSurface, TP: Transfer_TransientProcess, theLocalFactors?: StepData_Factors): boolean
Translate surface.
Parameters (3)
- CBS
- TP
- theLocalFactors
Value(): TopoDS_Face
Returns result of last translation or null wire if failed.

StepToTopoDS_TranslateEdge

StepToTopoDS_Root

Constructors(2)

constructor(): StepToTopoDS_TranslateEdge
constructor(E: StepShape_Edge, T: StepToTopoDS_Tool, NMTool: StepToTopoDS_NMTool, theLocalFactors?: StepData_Factors): StepToTopoDS_TranslateEdge
Parameters (4)
- E
- T
- NMTool
- theLocalFactors

Instance methods(5)

Init(E: StepShape_Edge, T: StepToTopoDS_Tool, NMTool: StepToTopoDS_NMTool, theLocalFactors: StepData_Factors): void
Parameters (4)
- E
- T
- NMTool
- theLocalFactors
MakeFromCurve3D(C3D: StepGeom_Curve, EC: StepShape_EdgeCurve, Vend: StepShape_Vertex, preci: number, E: TopoDS_Edge, V1: TopoDS_Vertex, V2: TopoDS_Vertex, T: StepToTopoDS_Tool, theLocalFactors: StepData_Factors): void
Warning! C3D is assumed to be a Curve 3D ... other cases to checked before calling this.
Parameters (9)
- C3D
- EC
- Vend
- preci
- E —
  Mutated in place; read the updated value from this argument after the call.
- V1 —
  Mutated in place; read the updated value from this argument after the call.
- V2 —
  Mutated in place; read the updated value from this argument after the call.
- T —
  Mutated in place; read the updated value from this argument after the call.
- theLocalFactors
MakePCurve(PCU: StepGeom_Pcurve, ConvSurf: Geom_Surface, theLocalFactors?: StepData_Factors): Geom2d_Curve
Parameters (3)
- PCU
- ConvSurf
- theLocalFactors
Value(): TopoDS_Shape
Error(): StepToTopoDS_TranslateEdgeError

StepToTopoDS_TranslateEdgeError

Properties(2)

StepToTopoDS_TranslateEdgeDone:'StepToTopoDS_TranslateEdgeDone'readonly
StepToTopoDS_TranslateEdgeOther:'StepToTopoDS_TranslateEdgeOther'readonly

StepToTopoDS_TranslateEdgeLoop

StepToTopoDS_Root

Constructors(2)

constructor(): StepToTopoDS_TranslateEdgeLoop
constructor(FB: StepShape_FaceBound, F: TopoDS_Face, S: Geom_Surface, SS: StepGeom_Surface, ss: boolean, T: StepToTopoDS_Tool, NMTool: StepToTopoDS_NMTool, theLocalFactors?: StepData_Factors): StepToTopoDS_TranslateEdgeLoop
Parameters (8)
- FB
- F
- S
- SS
- ss
- T
- NMTool
- theLocalFactors

Instance methods(3)

Init(FB: StepShape_FaceBound, F: TopoDS_Face, S: Geom_Surface, SS: StepGeom_Surface, ss: boolean, T: StepToTopoDS_Tool, NMTool: StepToTopoDS_NMTool, theLocalFactors: StepData_Factors): void
Parameters (8)
- FB
- F
- S
- SS
- ss
- T
- NMTool
- theLocalFactors
Value(): TopoDS_Shape
Error(): StepToTopoDS_TranslateEdgeLoopError

StepToTopoDS_TranslateEdgeLoopError

Properties(2)

StepToTopoDS_TranslateEdgeLoopDone:'StepToTopoDS_TranslateEdgeLoopDone'readonly
StepToTopoDS_TranslateEdgeLoopOther:'StepToTopoDS_TranslateEdgeLoopOther'readonly

StepToTopoDS_TranslateFaceError

Properties(2)

StepToTopoDS_TranslateFaceDone:'StepToTopoDS_TranslateFaceDone'readonly
StepToTopoDS_TranslateFaceOther:'StepToTopoDS_TranslateFaceOther'readonly

StepToTopoDS_TranslatePolyLoop

StepToTopoDS_Root

Constructors(2)

constructor(): StepToTopoDS_TranslatePolyLoop
constructor(PL: StepShape_PolyLoop, T: StepToTopoDS_Tool, S: Geom_Surface, F: TopoDS_Face, theLocalFactors?: StepData_Factors): StepToTopoDS_TranslatePolyLoop
Parameters (5)
- PL
- T
- S
- F
- theLocalFactors

Instance methods(3)

Init(PL: StepShape_PolyLoop, T: StepToTopoDS_Tool, S: Geom_Surface, F: TopoDS_Face, theLocalFactors: StepData_Factors): void
Parameters (5)
- PL
- T
- S
- F
- theLocalFactors
Value(): TopoDS_Shape
Error(): StepToTopoDS_TranslatePolyLoopError

StepToTopoDS_TranslatePolyLoopError

Properties(2)

StepToTopoDS_TranslatePolyLoopDone:'StepToTopoDS_TranslatePolyLoopDone'readonly
StepToTopoDS_TranslatePolyLoopOther:'StepToTopoDS_TranslatePolyLoopOther'readonly

StepToTopoDS_TranslateShell

StepToTopoDS_Root

Constructors(1)

constructor(): StepToTopoDS_TranslateShell

Instance methods(4)

Init(CFS: StepShape_ConnectedFaceSet, T: StepToTopoDS_Tool, NMTool: StepToTopoDS_NMTool, theLocalFactors: StepData_Factors, theProgress: Message_ProgressRange): void
Parameters (5)
- CFS
- T
- NMTool
- theLocalFactors
- theProgress
Init(theTSh: StepVisual_TessellatedShell, theTool: StepToTopoDS_Tool, theNMTool: StepToTopoDS_NMTool, theReadTessellatedWhenNoBRepOnly: boolean, theHasGeom: boolean, theLocalFactors: StepData_Factors, theProgress: Message_ProgressRange): { theHasGeom: boolean }
Parameters (7)
- theTSh
- theTool
- theNMTool
- theReadTessellatedWhenNoBRepOnly
- theHasGeom
- theLocalFactors
- theProgress
Value(): TopoDS_Shape
Error(): StepToTopoDS_TranslateShellError

StepToTopoDS_TranslateShellError

Properties(2)

StepToTopoDS_TranslateShellDone:'StepToTopoDS_TranslateShellDone'readonly
StepToTopoDS_TranslateShellOther:'StepToTopoDS_TranslateShellOther'readonly

StepToTopoDS_TranslateSolid

StepToTopoDS_Root

Constructors(1)

constructor(): StepToTopoDS_TranslateSolid

Instance methods(3)

Init(theTSo: StepVisual_TessellatedSolid, theTP: Transfer_TransientProcess, theTool: StepToTopoDS_Tool, theNMTool: StepToTopoDS_NMTool, theReadTessellatedWhenNoBRepOnly: boolean, theHasGeom: boolean, theLocalFactors: StepData_Factors, theProgress: Message_ProgressRange): { theHasGeom: boolean }
Parameters (8)
- theTSo
- theTP
- theTool
- theNMTool
- theReadTessellatedWhenNoBRepOnly
- theHasGeom
- theLocalFactors
- theProgress
Value(): TopoDS_Shape
Error(): StepToTopoDS_TranslateSolidError