OCC.Core.ChFi3d module

ChFi3d module, see official documentation at https://www.opencascade.com/doc/occt-7.4.0/refman/html/package_chfi3d.html

class ChFi3d_Builder(*args, **kwargs)

Bases: object

Abscissa()

• returns the abscissa of the vertex V on the contour of index IC.

  param IC

  type IC

  int

  param V

  type V

  TopoDS_Vertex

  rtype

  float

BadShape()

• if (HasResult()) returns partial result if (!HasResult())

  rtype

  TopoDS_Shape

Builder()

• Returns the Builder of topologic operations.

  rtype

  opencascade::handle<TopOpeBRepBuild_HBuilder>

Closed()

• returns true if the contour of index IC is closed

  param IC

  type IC

  int

  rtype

  bool

ClosedAndTangent()

• returns true if the contour of index IC is closed an tangent.

  param IC

  type IC

  int

  rtype

  bool

Compute()

• general calculation of geometry on all edges, topologic reconstruction.

  rtype

  None

ComputedSurface()

• Returns the IS’th surface calculated on the contour IC.

  param IC

  type IC

  int

  param IS

  type IS

  int

  rtype

  opencascade::handle<Geom_Surface>

Contains()

• gives the number of the contour containing E or 0 if E does not belong to any contour.

  param E

  type E

  TopoDS_Edge

  rtype

  int* gives the number of the contour containing E or 0 if E does not belong to any contour. Sets in IndexInSpine the index of E in the contour if it’s found

  param E

  type E

  TopoDS_Edge

  param IndexInSpine

  type IndexInSpine

  int

  rtype

  int

FaultyContour()

• Returns the number of I’th contour on which the calculation has failed.

  param I

  type I

  int

  rtype

  int

FaultyVertex()

• Returns the IV’th vertex on which the calculation has failed.

  param IV

  type IV

  int

  rtype

  TopoDS_Vertex

FirstVertex()

• returns the First vertex V of the contour of index IC.

  param IC

  type IC

  int

  rtype

  TopoDS_Vertex

Generated()

• Advanced function for the history

  param EouV

  type EouV

  TopoDS_Shape

  rtype

  TopTools_ListOfShape

HasResult()

• returns True if a partial result has been calculated

  rtype

  bool

IsDone()

• returns True if the computation is success

  rtype

  bool

LastVertex()

• returns the Last vertex V of the contour of index IC.

  param IC

  type IC

  int

  rtype

  TopoDS_Vertex

Length()

• returns the length of the contour of index IC.

  param IC

  type IC

  int

  rtype

  float

NbComputedSurfaces()

• Returns the number of surfaces calculated on the contour IC.

  param IC

  type IC

  int

  rtype

  int

NbElements()

• gives the number of disjoint contours on which the fillets are calculated

  rtype

  int

NbFaultyContours()

• Returns the number of contours on which the calculation has failed.

  rtype

  int

NbFaultyVertices()

• Returns the number of vertices on which the calculation has failed.

  rtype

  int

PerformTwoCornerbyInter()

Parameters

Index –

type Index

int

rtype

bool

RelativeAbscissa()

• returns the relative abscissa([0.,1.]) of the vertex V on the contour of index IC.

  param IC

  type IC

  int

  param V

  type V

  TopoDS_Vertex

  rtype

  float

Remove()

• extracts from the list the contour containing edge E.

  param E

  type E

  TopoDS_Edge

  rtype

  None

Reset()

• Reset all results of compute and returns the algorythm in the state of the last acquisition to enable modification of contours or areas.

  rtype

  None

SetContinuity()

Parameters

InternalContinuity –

type InternalContinuity

GeomAbs_Shape

param AngularTolerance

type AngularTolerance

float

rtype

None

SetParams()

Parameters

Tang –

type Tang

float

param Tesp

type Tesp

float

param T2d

type T2d

float

param TApp3d

type TApp3d

float

param TolApp2d

type TolApp2d

float

param Fleche

type Fleche

float

rtype

None

Shape()

• if (Isdone()) makes the result. if (!Isdone())

  rtype

  TopoDS_Shape

SplitKPart()

• Method, implemented in the inheritants, calculates the elements of construction of the surface (fillet or chamfer).

  param Data

  type Data

  ChFiDS_SurfData

  param SetData

  type SetData

  ChFiDS_SequenceOfSurfData

  param Spine

  type Spine

  ChFiDS_Spine

  param Iedge

  type Iedge

  int

  param S1

  type S1

  Adaptor3d_HSurface

  param I1

  type I1

  Adaptor3d_TopolTool

  param S2

  type S2

  Adaptor3d_HSurface

  param I2

  type I2

  Adaptor3d_TopolTool

  param Intf

  type Intf

  bool

  param Intl

  type Intl

  bool

  rtype

  bool

StripeStatus()

• for the stripe IC ,indication on the cause of failure WalkingFailure,TwistedSurface,Error, Ok

  param IC

  type IC

  int

  rtype

  ChFiDS_ErrorStatus

Value()

• gives the n’th set of edges (contour) if I >NbElements()

  param I

  type I

  int

  rtype

  opencascade::handle<ChFiDS_Spine>

property thisown

The membership flag

class ChFi3d_ChBuilder(*args)

Bases: OCC.Core.ChFi3d.ChFi3d_Builder

• initializes the Builder with the Shape <S> for the computation of chamfers

  param S

  type S

  TopoDS_Shape

  param Ta

  default value is 1.0e-2

  type Ta

  float

  rtype

  None

Add()

• initializes a contour with the edge <E> as first (the next are found by propagation ). The two distances (parameters of the chamfer) must be set after. if the edge <E> has more than 2 adjacent faces

  param E

  type E

  TopoDS_Edge

  rtype

  None* initializes a new contour with the edge <E> as first (the next are found by propagation ), and the distance <Dis> if the edge <E> has more than 2 adjacent faces

  param Dis

  type Dis

  float

  param E

  type E

  TopoDS_Edge

  rtype

  None* initializes a new contour with the edge <E> as first (the next are found by propagation ), and the distance <Dis1> and <Dis2> if the edge <E> has more than 2 adjacent faces

  param Dis1

  type Dis1

  float

  param Dis2

  type Dis2

  float

  param E

  type E

  TopoDS_Edge

  param F

  type F

  TopoDS_Face

  rtype

  None

AddDA()

• initializes a new contour with the edge <E> as first (the next are found by propagation ), and the distance <Dis1> and <Angle> if the edge <E> has more than 2 adjacent faces

  param Dis

  type Dis

  float

  param Angle

  type Angle

  float

  param E

  type E

  TopoDS_Edge

  param F

  type F

  TopoDS_Face

  rtype

  None

Dists()

• gives the distances <Dis1> and <Dis2> of the fillet contour of index <IC> in the DS

  param IC

  type IC

  int

  param Dis1

  type Dis1

  float

  param Dis2

  type Dis2

  float

  rtype

  None

GetDist()

• gives the distances <Dis> of the fillet contour of index <IC> in the DS

  param IC

  type IC

  int

  param Dis

  type Dis

  float

  rtype

  None

GetDistAngle()

• gives the distances <Dis> and <Angle> of the fillet contour of index <IC> in the DS

  param IC

  type IC

  int

  param Dis

  type Dis

  float

  param Angle

  type Angle

  float

  rtype

  None

IsChamfer()

• renvoi la methode des chanfreins utilisee

  param IC

  type IC

  int

  rtype

  ChFiDS_ChamfMethod

Mode()

• returns the mode of chamfer used

  rtype

  ChFiDS_ChamfMode

NbSurf()

Parameters

IC –

type IC

int

rtype

int

PerformSurf()

• Methode, implemented in inheritants, calculates the elements of construction of the surface (fillet or chamfer).

  param Data

  type Data

  ChFiDS_SequenceOfSurfData

  param Guide

  type Guide

  ChFiDS_HElSpine

  param Spine

  type Spine

  ChFiDS_Spine

  param Choix

  type Choix

  int

  param S1

  type S1

  BRepAdaptor_HSurface

  param I1

  type I1

  Adaptor3d_TopolTool

  param S2

  type S2

  BRepAdaptor_HSurface

  param I2

  type I2

  Adaptor3d_TopolTool

  param MaxStep

  type MaxStep

  float

  param Fleche

  type Fleche

  float

  param TolGuide

  type TolGuide

  float

  param First

  type First

  float

  param Last

  type Last

  float

  param Inside

  type Inside

  bool

  param Appro

  type Appro

  bool

  param Forward

  type Forward

  bool

  param RecOnS1

  type RecOnS1

  bool

  param RecOnS2

  type RecOnS2

  bool

  param Soldep

  type Soldep

  math_Vector

  param Intf

  type Intf

  int

  param Intl

  type Intl

  int

  rtype

  bool* Method, implemented in the inheritants, calculates the elements of construction of the surface (fillet or chamfer) contact edge/face.

  param Data

  type Data

  ChFiDS_SequenceOfSurfData

  param Guide

  type Guide

  ChFiDS_HElSpine

  param Spine

  type Spine

  ChFiDS_Spine

  param Choix

  type Choix

  int

  param S1

  type S1

  BRepAdaptor_HSurface

  param I1

  type I1

  Adaptor3d_TopolTool

  param PC1

  type PC1

  BRepAdaptor_HCurve2d

  param Sref1

  type Sref1

  BRepAdaptor_HSurface

  param PCref1

  type PCref1

  BRepAdaptor_HCurve2d

  param Decroch1

  type Decroch1

  bool

  param S2

  type S2

  BRepAdaptor_HSurface

  param I2

  type I2

  Adaptor3d_TopolTool

  param Or2

  type Or2

  TopAbs_Orientation

  param MaxStep

  type MaxStep

  float

  param Fleche

  type Fleche

  float

  param TolGuide

  type TolGuide

  float

  param First

  type First

  float

  param Last

  type Last

  float

  param Inside

  type Inside

  bool

  param Appro

  type Appro

  bool

  param Forward

  type Forward

  bool

  param RecP

  type RecP

  bool

  param RecS

  type RecS

  bool

  param RecRst

  type RecRst

  bool

  param Soldep

  type Soldep

  math_Vector

  rtype

  void* Method, implemented in inheritants, calculates the elements of construction of the surface (fillet or chamfer) contact edge/face.

  param Data

  type Data

  ChFiDS_SequenceOfSurfData

  param Guide

  type Guide

  ChFiDS_HElSpine

  param Spine

  type Spine

  ChFiDS_Spine

  param Choix

  type Choix

  int

  param S1

  type S1

  BRepAdaptor_HSurface

  param I1

  type I1

  Adaptor3d_TopolTool

  param Or1

  type Or1

  TopAbs_Orientation

  param S2

  type S2

  BRepAdaptor_HSurface

  param I2

  type I2

  Adaptor3d_TopolTool

  param PC2

  type PC2

  BRepAdaptor_HCurve2d

  param Sref2

  type Sref2

  BRepAdaptor_HSurface

  param PCref2

  type PCref2

  BRepAdaptor_HCurve2d

  param Decroch2

  type Decroch2

  bool

  param MaxStep

  type MaxStep

  float

  param Fleche

  type Fleche

  float

  param TolGuide

  type TolGuide

  float

  param First

  type First

  float

  param Last

  type Last

  float

  param Inside

  type Inside

  bool

  param Appro

  type Appro

  bool

  param Forward

  type Forward

  bool

  param RecP

  type RecP

  bool

  param RecS

  type RecS

  bool

  param RecRst

  type RecRst

  bool

  param Soldep

  type Soldep

  math_Vector

  rtype

  void* Method, implemented in inheritants, calculates the elements of construction of the surface (fillet or chamfer) contact edge/edge.

  param Data

  type Data

  ChFiDS_SequenceOfSurfData

  param Guide

  type Guide

  ChFiDS_HElSpine

  param Spine

  type Spine

  ChFiDS_Spine

  param Choix

  type Choix

  int

  param S1

  type S1

  BRepAdaptor_HSurface

  param I1

  type I1

  Adaptor3d_TopolTool

  param PC1

  type PC1

  BRepAdaptor_HCurve2d

  param Sref1

  type Sref1

  BRepAdaptor_HSurface

  param PCref1

  type PCref1

  BRepAdaptor_HCurve2d

  param Decroch1

  type Decroch1

  bool

  param Or1

  type Or1

  TopAbs_Orientation

  param S2

  type S2

  BRepAdaptor_HSurface

  param I2

  type I2

  Adaptor3d_TopolTool

  param PC2

  type PC2

  BRepAdaptor_HCurve2d

  param Sref2

  type Sref2

  BRepAdaptor_HSurface

  param PCref2

  type PCref2

  BRepAdaptor_HCurve2d

  param Decroch2

  type Decroch2

  bool

  param Or2

  type Or2

  TopAbs_Orientation

  param MaxStep

  type MaxStep

  float

  param Fleche

  type Fleche

  float

  param TolGuide

  type TolGuide

  float

  param First

  type First

  float

  param Last

  type Last

  float

  param Inside

  type Inside

  bool

  param Appro

  type Appro

  bool

  param Forward

  type Forward

  bool

  param RecP1

  type RecP1

  bool

  param RecRst1

  type RecRst1

  bool

  param RecP2

  type RecP2

  bool

  param RecRst2

  type RecRst2

  bool

  param Soldep

  type Soldep

  math_Vector

  rtype

  void

ResetContour()

• Reset tous rayons du contour IC.

  param IC

  type IC

  int

  rtype

  None

Sect()

Parameters

IC –

type IC

int

param IS

type IS

int

rtype

opencascade::handle<ChFiDS_SecHArray1>

SetDist()

• set the distance <Dis> of the fillet contour of index <IC> in the DS with <Dis> on <F>. if the face <F> is not one of common faces of an edge of the contour <IC>

  param Dis

  type Dis

  float

  param IC

  type IC

  int

  param F

  type F

  TopoDS_Face

  rtype

  None

SetDistAngle()

• set the distance <Dis> and <Angle> of the fillet contour of index <IC> in the DS with <Dis> on <F>. if the face <F> is not one of common faces of an edge of the contour <IC>

  param Dis

  type Dis

  float

  param Angle

  type Angle

  float

  param IC

  type IC

  int

  param F

  type F

  TopoDS_Face

  rtype

  None

SetDists()

• set the distances <Dis1> and <Dis2> of the fillet contour of index <IC> in the DS with <Dis1> on <F>. if the face <F> is not one of common faces of an edge of the contour <IC>

  param Dis1

  type Dis1

  float

  param Dis2

  type Dis2

  float

  param IC

  type IC

  int

  param F

  type F

  TopoDS_Face

  rtype

  None

SetMode()

• set the mode of shamfer

  param theMode

  type theMode

  ChFiDS_ChamfMode

  rtype

  None

SimulSurf()

Parameters

Data –

type Data

ChFiDS_SurfData

param Guide

type Guide

ChFiDS_HElSpine

param Spine

type Spine

ChFiDS_Spine

param Choix

type Choix

int

param S1

type S1

BRepAdaptor_HSurface

param I1

type I1

Adaptor3d_TopolTool

param PC1

type PC1

BRepAdaptor_HCurve2d

param Sref1

type Sref1

BRepAdaptor_HSurface

param PCref1

type PCref1

BRepAdaptor_HCurve2d

param Decroch1

type Decroch1

bool

param S2

type S2

BRepAdaptor_HSurface

param I2

type I2

Adaptor3d_TopolTool

param Or2

type Or2

TopAbs_Orientation

param Fleche

type Fleche

float

param TolGuide

type TolGuide

float

param First

type First

float

param Last

type Last

float

param Inside

type Inside

bool

param Appro

type Appro

bool

param Forward

type Forward

bool

param RecP

type RecP

bool

param RecS

type RecS

bool

param RecRst

type RecRst

bool

param Soldep

type Soldep

math_Vector

rtype

void:param Data:

type Data

ChFiDS_SurfData

param Guide

type Guide

ChFiDS_HElSpine

param Spine

type Spine

ChFiDS_Spine

param Choix

type Choix

int

param S1

type S1

BRepAdaptor_HSurface

param I1

type I1

Adaptor3d_TopolTool

param Or1

type Or1

TopAbs_Orientation

param S2

type S2

BRepAdaptor_HSurface

param I2

type I2

Adaptor3d_TopolTool

param PC2

type PC2

BRepAdaptor_HCurve2d

param Sref2

type Sref2

BRepAdaptor_HSurface

param PCref2

type PCref2

BRepAdaptor_HCurve2d

param Decroch2

type Decroch2

bool

param Fleche

type Fleche

float

param TolGuide

type TolGuide

float

param First

type First

float

param Last

type Last

float

param Inside

type Inside

bool

param Appro

type Appro

bool

param Forward

type Forward

bool

param RecP

type RecP

bool

param RecS

type RecS

bool

param RecRst

type RecRst

bool

param Soldep

type Soldep

math_Vector

rtype

void:param Data:

type Data

ChFiDS_SurfData

param Guide

type Guide

ChFiDS_HElSpine

param Spine

type Spine

ChFiDS_Spine

param Choix

type Choix

int

param S1

type S1

BRepAdaptor_HSurface

param I1

type I1

Adaptor3d_TopolTool

param PC1

type PC1

BRepAdaptor_HCurve2d

param Sref1

type Sref1

BRepAdaptor_HSurface

param PCref1

type PCref1

BRepAdaptor_HCurve2d

param Decroch1

type Decroch1

bool

param Or1

type Or1

TopAbs_Orientation

param S2

type S2

BRepAdaptor_HSurface

param I2

type I2

Adaptor3d_TopolTool

param PC2

type PC2

BRepAdaptor_HCurve2d

param Sref2

type Sref2

BRepAdaptor_HSurface

param PCref2

type PCref2

BRepAdaptor_HCurve2d

param Decroch2

type Decroch2

bool

param Or2

type Or2

TopAbs_Orientation

param Fleche

type Fleche

float

param TolGuide

type TolGuide

float

param First

type First

float

param Last

type Last

float

param Inside

type Inside

bool

param Appro

type Appro

bool

param Forward

type Forward

bool

param RecP1

type RecP1

bool

param RecRst1

type RecRst1

bool

param RecP2

type RecP2

bool

param RecRst2

type RecRst2

bool

param Soldep

type Soldep

math_Vector

rtype

void

Simulate()

Parameters

IC –

type IC

int

rtype

None

property thisown

The membership flag

class ChFi3d_FilBuilder(*args)

Bases: OCC.Core.ChFi3d.ChFi3d_Builder

Parameters

S –

type S

TopoDS_Shape

param FShape

default value is ChFi3d_Rational

type FShape

ChFi3d_FilletShape

param Ta

default value is 1.0e-2

type Ta

float

rtype

None

Add()

• initialisation of a contour with the first edge (the following are found by propagation). Attention, you need to start with SetRadius.

  param E

  type E

  TopoDS_Edge

  rtype

  None* initialisation of the constant vector the corresponding 1st edge.

  param Radius

  type Radius

  float

  param E

  type E

  TopoDS_Edge

  rtype

  None

GetBounds()

• Returns in First and Last les extremities of the part of variable vector framing E, returns False if E is flagged as edge constant.

  param IC

  type IC

  int

  param E

  type E

  TopoDS_Edge

  param First

  type First

  float

  param Last

  type Last

  float

  rtype

  bool

GetFilletShape()

• Returns the type of fillet surface.

  rtype

  ChFi3d_FilletShape

GetLaw()

• Returns the rule of elementary evolution of the part to variable vector framing E, returns a rule zero if E is flagged as edge constant.

  param IC

  type IC

  int

  param E

  type E

  TopoDS_Edge

  rtype

  opencascade::handle<Law_Function>

IsConstant()

• Returns true the contour is flaged as edge constant.

  param IC

  type IC

  int

  rtype

  bool* Returns true E is flagged as edge constant.

  param IC

  type IC

  int

  param E

  type E

  TopoDS_Edge

  rtype

  bool

NbSurf()

Parameters

IC –

type IC

int

rtype

int

Radius()

• Returns the vector if the contour is flagged as edge constant.

  param IC

  type IC

  int

  rtype

  float* Returns the vector if E is flagged as edge constant.

  param IC

  type IC

  int

  param E

  type E

  TopoDS_Edge

  rtype

  float

ResetContour()

• Reset all vectors of contour IC.

  param IC

  type IC

  int

  rtype

  None

Sect()

Parameters

IC –

type IC

int

param IS

type IS

int

rtype

opencascade::handle<ChFiDS_SecHArray1>

SetFilletShape()

• Sets the type of fillet surface.

  param FShape

  type FShape

  ChFi3d_FilletShape

  rtype

  None

SetLaw()

• Sets the rule of elementary evolution of the part to variable vector framing E.

  param IC

  type IC

  int

  param E

  type E

  TopoDS_Edge

  param L

  type L

  Law_Function

  rtype

  None

SetRadius()

• Set the radius of the contour of index IC.

  param C

  type C

  Law_Function

  param IC

  type IC

  int

  param IinC

  type IinC

  int

  rtype

  None* Set a constant on edge E of the contour of index IC. Since then E is flagged as constant.

  param Radius

  type Radius

  float

  param IC

  type IC

  int

  param E

  type E

  TopoDS_Edge

  rtype

  None* Set a vector on vertex V of the contour of index IC.

  param Radius

  type Radius

  float

  param IC

  type IC

  int

  param V

  type V

  TopoDS_Vertex

  rtype

  None* Set a vertex on the point of parametre U in the edge IinC of the contour of index IC

  param UandR

  type UandR

  gp_XY

  param IC

  type IC

  int

  param IinC

  type IinC

  int

  rtype

  None

Simulate()

Parameters

IC –

type IC

int

rtype

None

UnSet()

• Extracts the flag constant and the vector of edge E.

  param IC

  type IC

  int

  param E

  type E

  TopoDS_Edge

  rtype

  None* Extracts the vector of the vertex V.

  param IC

  type IC

  int

  param V

  type V

  TopoDS_Vertex

  rtype

  None

property thisown

The membership flag

class ChFi3d_SearchSing(*args)

Bases: OCC.Core.math.math_FunctionWithDerivative

Parameters

C1 –

type C1

Geom_Curve

param C2

type C2

Geom_Curve

rtype

None

property thisown

The membership flag

class SwigPyIterator(*args, **kwargs)

Bases: object

advance()

copy()

decr()

distance()

equal()

incr()

next()

previous()

property thisown

The membership flag

value()

class chfi3d

Bases: object

static ConcaveSide()

• Returns Reversed in Or1 and(or) Or2 if the concave edge defined by the interior of faces F1 and F2, in the neighbourhood of their boundary E is of the edge opposite to the normal of their surface support. The orientation of faces is not taken into consideration in the calculation. The function returns 0 if the calculation fails (tangence), if not, it returns the number of choice of the fillet or chamfer corresponding to the orientations calculated and to the tangent to the guide line read in E.

  param S1

  type S1

  BRepAdaptor_Surface

  param S2

  type S2

  BRepAdaptor_Surface

  param E

  type E

  TopoDS_Edge

  param Or1

  type Or1

  TopAbs_Orientation

  param Or2

  type Or2

  TopAbs_Orientation

  rtype

  int

static NextSide()

• Same as ConcaveSide, but the orientations are logically deduced from the result of the call of ConcaveSide on the first pair of faces of the fillet or chamnfer.

  param Or1

  type Or1

  TopAbs_Orientation

  param Or2

  type Or2

  TopAbs_Orientation

  param OrSave1

  type OrSave1

  TopAbs_Orientation

  param OrSave2

  type OrSave2

  TopAbs_Orientation

  param ChoixSauv

  type ChoixSauv

  int

  rtype

  int* Same as the other NextSide, but the calculation is done on an edge only.

  param Or

  type Or

  TopAbs_Orientation

  param OrSave

  type OrSave

  TopAbs_Orientation

  param OrFace

  type OrFace

  TopAbs_Orientation

  rtype

  void

static SameSide()

• Enables to determine while processing an angle, if two fillets or chamfers constituting a face have identic or opposed concave edges.

  param Or

  type Or

  TopAbs_Orientation

  param OrSave1

  type OrSave1

  TopAbs_Orientation

  param OrSave2

  type OrSave2

  TopAbs_Orientation

  param OrFace1

  type OrFace1

  TopAbs_Orientation

  param OrFace2

  type OrFace2

  TopAbs_Orientation

  rtype

  bool

property thisown

The membership flag