BRepClass3d

OCCT package BRepClass3d: BRepClass3d, BRepClass3d_BndBoxTreeSelectorLine, BRepClass3d_BndBoxTreeSelectorPoint, BRepClass3d_Intersector3d, and 4 more…

Constructors(1)

constructor(): BRepClass3d

Static methods(1)

OuterShell(S: TopoDS_Solid): TopoDS_Shell
Returns the outer most shell of . Returns a Null shell if has no outer shell. If has only one shell, then it will return, without checking orientation.
Parameters (1)
- S

BRepClass3d_BndBoxTreeSelectorLine

Constructors(1)

constructor(theMapOfShape: NCollection_IndexedMap_TopoDS_Shape_TopTools_ShapeMapHasher): BRepClass3d_BndBoxTreeSelectorLine
Parameters (1)
- theMapOfShape

Instance methods(9)

Reject(argNo0: Bnd_Box): boolean
Parameters (1)
- argNo0
Accept(argNo0: number): boolean
Parameters (1)
- argNo0
SetCurrentLine(theL: gp_Lin, theMaxParam: number): void
Parameters (2)
- theL
- theMaxParam
GetEdgeParam(i: number, theOutE: TopoDS_Edge, theOutParam: number, outLParam: number): { theOutParam: number; outLParam: number }
Parameters (4)
- i
- theOutE
- theOutParam
- outLParam
GetVertParam(i: number, theOutV: TopoDS_Vertex, outLParam: number): { outLParam: number }
Parameters (3)
- i
- theOutV
- outLParam
GetNbEdgeParam(): number
GetNbVertParam(): number
ClearResults(): void
IsCorrect(): boolean
Returns TRUE if correct classification is possible.

BRepClass3d_BndBoxTreeSelectorPoint

Constructors(1)

constructor(theMapOfShape: NCollection_IndexedMap_TopoDS_Shape_TopTools_ShapeMapHasher): BRepClass3d_BndBoxTreeSelectorPoint
Parameters (1)
- theMapOfShape

Instance methods(3)

Reject(argNo0: Bnd_Box): boolean
Parameters (1)
- argNo0
Accept(argNo0: number): boolean
Parameters (1)
- argNo0
SetCurrentPoint(theP: gp_Pnt): void
Parameters (1)
- theP

BRepClass3d_Intersector3d

Constructors(1)

constructor(): BRepClass3d_Intersector3d
Empty constructor.

Instance methods(10)

Perform(L: gp_Lin, Prm: number, Tol: number, F: TopoDS_Face): void
Perform the intersection between the segment L(0) ... L(Prm) and the Shape <Sh>.
Only the point with the smallest parameter on the line is returned.
The Tolerance <Tol> is used to determine if the first point of the segment is near the face. In that case, the parameter of the intersection point on the line can be a negative value (greater than -Tol).
Parameters (4)
- L
- Prm
- Tol
- F
IsDone(): boolean
True is returned when the intersection have been computed.
HasAPoint(): boolean
True is returned if a point has been found.
UParameter(): number
Returns the U parameter of the intersection point on the surface.
VParameter(): number
Returns the V parameter of the intersection point on the surface.
WParameter(): number
Returns the parameter of the intersection point on the line.
Pnt(): gp_Pnt
Returns the geometric point of the intersection between the line and the surface.
Transition(): IntCurveSurface_TransitionOnCurve
Returns the transition of the line on the surface.
State(): TopAbs_State
Returns the state of the point on the face. The values can be either TopAbs_IN ( the point is in the face) or TopAbs_ON ( the point is on a boundary of the face).
Face(): TopoDS_Face
Returns the significant face used to determine the intersection.

BRepClass3d_SClassifier

Provides an algorithm to classify a point in a solid.

Constructors(2)

constructor(): BRepClass3d_SClassifier
Empty constructor.
constructor(S: BRepClass3d_SolidExplorer, P: gp_Pnt, Tol: number): BRepClass3d_SClassifier
Constructor to classify the point P with the tolerance Tol on the solid S.
Parameters (3)
- S
- P
- Tol

Instance methods(6)

Perform(S: BRepClass3d_SolidExplorer, P: gp_Pnt, Tol: number): void
Classify the point P with the tolerance Tol on the solid S.
Parameters (3)
- S
- P
- Tol
PerformInfinitePoint(S: BRepClass3d_SolidExplorer, Tol: number): void
Classify an infinite point with the tolerance Tol on the solid S.
Parameters (2)
- S
- Tol
Rejected(): boolean
Returns True if the classification has been computed by rejection. The State is then OUT.
State(): TopAbs_State
Returns the result of the classification.
IsOnAFace(): boolean
Returns True when the point is a point of a face.
Face(): TopoDS_Face
Returns the face used to determine the classification. When the state is ON, this is the face containing the point.
When Rejected() returns True, Face() has no signification.

BRepClass3d_SolidClassifier

BRepClass3d_SClassifier

Provides an algorithm to classify a point in a solid.

Constructors(3)

constructor(): BRepClass3d_SolidClassifier
empty constructor
constructor(S: TopoDS_Shape): BRepClass3d_SolidClassifier
Constructor from a Shape.
Parameters (1)
- S
constructor(S: TopoDS_Shape, P: gp_Pnt, Tol: number): BRepClass3d_SolidClassifier
Constructor to classify the point P with the tolerance Tol on the solid S.
Parameters (3)
- S
- P
- Tol

Instance methods(6)

Load(S: TopoDS_Shape): void
Parameters (1)
- S
Perform(P: gp_Pnt, Tol: number): void
Classify the point P with the tolerance Tol on the solid S.
Parameters (2)
- P
- Tol
Perform(S: BRepClass3d_SolidExplorer, P: gp_Pnt, Tol: number): void
Classify the point P with the tolerance Tol on the solid S.
Parameters (3)
- S
- P
- Tol
PerformInfinitePoint(Tol: number): void
Classify an infinite point with the tolerance Tol on the solid S. Useful for compute the orientation of a solid.
Parameters (1)
- Tol
PerformInfinitePoint(S: BRepClass3d_SolidExplorer, Tol: number): void
Classify an infinite point with the tolerance Tol on the solid S. Useful for compute the orientation of a solid.
Parameters (2)
- S
- Tol
Destroy(): void

BRepClass3d_SolidExplorer

Provide an exploration of a BRep Shape for the classification. Provide access to the special UB tree to obtain fast search.

Constructors(2)

constructor(): BRepClass3d_SolidExplorer
constructor(S: TopoDS_Shape): BRepClass3d_SolidExplorer
Parameters (1)
- S

Static methods(6)

FindAPointInTheFace(F: TopoDS_Face, P: gp_Pnt): boolean
Parameters (2)
- F
- P
FindAPointInTheFace(F: TopoDS_Face, P: gp_Pnt, Param: number): { returnValue: boolean; Param: number }
compute a point P in the face F. Param is a Real in ]0,1[ and is used to initialise the algorithm. For different values , different points are returned.
Parameters (3)
- F
- P —
  Mutated in place; read the updated value from this argument after the call.
- Param
Returns
A result object with fields:
- returnValue: the C++ return value
- Param: updated value from the call.
FindAPointInTheFace(F: TopoDS_Face, u: number, v: number): { returnValue: boolean; u: number; v: number }
Parameters (3)
- F
- u
- v
FindAPointInTheFace(F: TopoDS_Face, P: gp_Pnt, u: number, v: number): { returnValue: boolean; u: number; v: number }
Parameters (4)
- F
- P
- u
- v
FindAPointInTheFace(F: TopoDS_Face, P: gp_Pnt, u: number, v: number, Param: number): { returnValue: boolean; u: number; v: number; Param: number }
Parameters (5)
- F
- P
- u
- v
- Param
FindAPointInTheFace(F: TopoDS_Face, P: gp_Pnt, u: number, v: number, Param: number, theVecD1U: gp_Vec, theVecD1V: gp_Vec): { returnValue: boolean; u: number; v: number; Param: number }
Parameters (7)
- F
- P
- u
- v
- Param
- theVecD1U
- theVecD1V

Instance methods(22)

InitShape(S: TopoDS_Shape): void
Parameters (1)
- S
Reject(P: gp_Pnt): boolean
Should return True if P outside of bounding vol. of the shape.
Parameters (1)
- P
PointInTheFace(F: TopoDS_Face, P: gp_Pnt, u: number, v: number, Param: number, Index: number): { returnValue: boolean; u: number; v: number; Param: number; Index: number }
Parameters (6)
- F
- P
- u
- v
- Param
- Index
PointInTheFace(F: TopoDS_Face, P: gp_Pnt, u: number, v: number, Param: number, Index: number, surf: BRepAdaptor_Surface, u1: number, v1: number, u2: number, v2: number): { returnValue: boolean; u: number; v: number; Param: number; Index: number }
Parameters (11)
- F
- P
- u
- v
- Param
- Index
- surf
- u1
- v1
- u2
- v2
PointInTheFace(F: TopoDS_Face, P: gp_Pnt, u: number, v: number, Param: number, Index: number, surf: BRepAdaptor_Surface, u1: number, v1: number, u2: number, v2: number, theVecD1U: gp_Vec, theVecD1V: gp_Vec): { returnValue: boolean; u: number; v: number; Param: number; Index: number }
<Index> gives point index to search from and returns point index of succeseful search
Parameters (13)
- F
- P —
  Mutated in place; read the updated value from this argument after the call.
- u
- v
- Param
- Index
- surf
- u1
- v1
- u2
- v2
- theVecD1U —
  Mutated in place; read the updated value from this argument after the call.
- theVecD1V —
  Mutated in place; read the updated value from this argument after the call.
Returns
A result object with fields:
- returnValue: the C++ return value
- u: updated value from the call.
- v: updated value from the call.
- Param: updated value from the call.
- Index: updated value from the call.
InitShell(): void
Starts an exploration of the shells.
MoreShell(): boolean
Returns True if there is a current shell.
NextShell(): void
Sets the explorer to the next shell.
CurrentShell(): TopoDS_Shell
Returns the current shell.
RejectShell(L: gp_Lin): boolean
Returns True if the Shell is rejected.
Parameters (1)
- L
InitFace(): void
Starts an exploration of the faces of the current shell.
MoreFace(): boolean
Returns True if current face in current shell.
NextFace(): void
Sets the explorer to the next Face of the current shell.
CurrentFace(): TopoDS_Face
Returns the current face.
RejectFace(L: gp_Lin): boolean
returns True if the face is rejected.
Parameters (1)
- L
Segment(P: gp_Pnt, L: gp_Lin, Par: number): { returnValue: number; Par: number }
Returns in <L>, <Par> a segment having at least one intersection with the shape boundary to compute intersections.
Parameters (3)
- P
- L —
  Mutated in place; read the updated value from this argument after the call.
- Par
Returns
A result object with fields:
- returnValue: the C++ return value
- Par: updated value from the call.
OtherSegment(P: gp_Pnt, L: gp_Lin, Par: number): { returnValue: number; Par: number }
Returns in <L>, <Par> a segment having at least one intersection with the shape boundary to compute intersections.
The First Call to this method returns a line which point to a point of the first face of the shape. The Second Call provide a line to the second face and so on.
Parameters (3)
- P
- L —
  Mutated in place; read the updated value from this argument after the call.
- Par
Returns
A result object with fields:
- returnValue: the C++ return value
- Par: updated value from the call.
GetFaceSegmentIndex(): number
Returns the index of face for which last segment is calculated.
DumpSegment(P: gp_Pnt, L: gp_Lin, Par: number, S: TopAbs_State): void
Parameters (4)
- P
- L
- Par
- S
GetShape(): TopoDS_Shape
GetMapEV(): NCollection_IndexedMap_TopoDS_Shape_TopTools_ShapeMapHasher
Return edge/vertices map for current shape.
Destroy(): void

BRepClass3d_SolidPassiveClassifier

Constructors(1)

constructor(): BRepClass3d_SolidPassiveClassifier
Creates an undefined classifier.

Instance methods(6)

Reset(L: gp_Lin, P: number, Tol: number): void
Starts a classification process. The point to classify is the origin of the line <L>.
is the original length of the segment on <L> used to compute intersections. <Tol> is the tolerance attached to the intersections.
Parameters (3)
- L
- P
- Tol
Compare(F: TopoDS_Face, Or: TopAbs_Orientation): void
Updates the classification process with the face <F> from the boundary.
Parameters (2)
- F
- Or
Parameter(): number
Returns the current value of the parameter.
HasIntersection(): boolean
Returns True if an intersection is computed.
Intersector(): BRepClass3d_Intersector3d
Returns the intersecting algorithm.
State(): TopAbs_State
Returns the current state of the point.