OCC.BRepClass3d module¶

class BRepClass3d_DataMapIteratorOfMapOfInter(*args)¶

Bases: OCC.TCollection.TCollection_BasicMapIterator

Return type:	None
Parameters:	aMap (BRepClass3d_MapOfInter &) –
Return type:	None

Initialize()¶

Parameters:	aMap (BRepClass3d_MapOfInter &) –
Return type:	None

Key()¶

Return type:	TopoDS_Shape

Value()¶

Return type:	Standard_Address

thisown¶: The membership flag

class BRepClass3d_DataMapNodeOfMapOfInter(*args)¶

Bases: OCC.TCollection.TCollection_MapNode

Parameters:	K (TopoDS_Shape &) – I (Standard_Address &) – n (TCollection_MapNodePtr &) –
Return type:	None

GetHandle()¶

Key()¶

Return type:	TopoDS_Shape

Value()¶

Return type:	Standard_Address

thisown¶: The membership flag

class BRepClass3d_Intersector3d(*args)¶

Bases: object

Empty constructor.

Return type:	None

Face()¶

Returns the significant face used to determine the intersection.

Return type:	TopoDS_Face

HasAPoint()¶

True is returned if a point has been found.

Return type:	bool

IsDone()¶

True is returned when the intersection have been computed.

Return type:	bool

Perform()¶

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:	L (gp_Lin) – Prm (float) – Tol (float) – F (TopoDS_Face &) –
Return type:	None

Pnt()¶

Returns the geometric point of the intersection between the line and the surface.

Return type:	gp_Pnt

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 boudary of the face).

Return type:	TopAbs_State

Transition()¶

Returns the transition of the line on the surface.

Return type:	IntCurveSurface_TransitionOnCurve

UParameter()¶

Returns the U parameter of the intersection point on the surface.

Return type:	float

VParameter()¶

Returns the V parameter of the intersection point on the surface.

Return type:	float

WParameter()¶

Returns the parameter of the intersection point on the line.

Return type:	float

thisown¶: The membership flag

class BRepClass3d_MapOfInter(*args)¶

Bases: OCC.TCollection.TCollection_BasicMap

Parameters:	NbBuckets (int) – default value is 1
Return type:	None

Assign()¶

Parameters:	Other (BRepClass3d_MapOfInter &) –
Return type:	BRepClass3d_MapOfInter

Bind()¶

Parameters:	K (TopoDS_Shape &) – I (Standard_Address &) –
Return type:	bool

ChangeFind()¶

Parameters:	K (TopoDS_Shape &) –
Return type:	Standard_Address

ChangeFind1()¶

Parameters:	K (TopoDS_Shape &) –
Return type:	Standard_Address

Clear()¶

Return type:	None

Find()¶

Parameters:	K (TopoDS_Shape &) –
Return type:	Standard_Address

Find1()¶

Parameters:	K (TopoDS_Shape &) –
Return type:	Standard_Address

IsBound()¶

Parameters:	K (TopoDS_Shape &) –
Return type:	bool

ReSize()¶

Parameters:	NbBuckets (int) –
Return type:	None

Set()¶

Parameters:	Other (BRepClass3d_MapOfInter &) –
Return type:	BRepClass3d_MapOfInter

UnBind()¶

Parameters:	K (TopoDS_Shape &) –
Return type:	bool

thisown¶: The membership flag

class BRepClass3d_SClassifier(*args)¶

Bases: object

Empty constructor.

Return type:	None

Constructor to classify the point P with the tolerance Tol on the solid S.

Parameters:	S (BRepClass3d_SolidExplorer &) – P (gp_Pnt) – Tol (float) –
Return type:	None

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.

Return type:	TopoDS_Face

IsOnAFace()¶

Returns True when the point is a point of a face.

Return type:	bool

Perform()¶

Classify the point P with the tolerance Tol on the solid S.

Parameters:	S (BRepClass3d_SolidExplorer &) – P (gp_Pnt) – Tol (float) –
Return type:	None

PerformInfinitePoint()¶

Classify an infinite point with the tolerance Tol on the solid S.

Parameters:	S (BRepClass3d_SolidExplorer &) – Tol (float) –
Return type:	None

Rejected()¶

Returns True if the classification has been computed by rejection. The State is then OUT.

Return type:	bool

State()¶

Returns the result of the classification.

Return type:	TopAbs_State

thisown¶: The membership flag

class BRepClass3d_SolidClassifier(*args)¶

Bases: OCC.BRepClass3d.BRepClass3d_SClassifier

empty constructor

Return type:	None

Constructor from a Shape.

Parameters:	S (TopoDS_Shape &) –
Return type:	None

Constructor to classify the point P with the tolerance Tol on the solid S.

Parameters:	S (TopoDS_Shape &) – P (gp_Pnt) – Tol (float) –
Return type:	None

Destroy()¶

Return type:	None

Load()¶

Parameters:	S (TopoDS_Shape &) –
Return type:	None

Perform()¶

Classify the point P with the tolerance Tol on the solid S.

Parameters:	P (gp_Pnt) – Tol (float) –
Return type:	None

PerformInfinitePoint()¶

Classify an infinite point with the tolerance Tol on the solid S. Useful for compute the orientation of a solid.

Parameters:	Tol (float) –
Return type:	None

thisown¶: The membership flag

class BRepClass3d_SolidExplorer(*args)¶

Bases: object

Return type:	None

Raise if called.

Parameters:	Oth (BRepClass3d_SolidExplorer &) – S (TopoDS_Shape &) –
Return type:	None
Return type:	None

Box()¶

Return type:	Bnd_Box

CurrentFace()¶

Returns the current face.

Return type:	TopoDS_Face

CurrentShell()¶

Returns the current shell.

Return type:	TopoDS_Shell

Delete()¶

Return type:	void

Destroy()¶

Return type:	None

DumpSegment()¶

Parameters:	P (gp_Pnt) – L (gp_Lin) – Par (float) – S (TopAbs_State) –
Return type:	void

static FindAPointInTheFace(*args)¶

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:	F (TopoDS_Face &) – P (gp_Pnt) – Param (float &) – F – P – u (float &) – v (float &) – Param – F – P – u – v – Param – theVecD1U (gp_Vec) – theVecD1V (gp_Vec) – F – P – u – v – F – P – F – u – v –
Return type:	bool
Return type:	bool
Return type:	bool
Return type:	bool
Return type:	bool
Return type:	bool

GetFaceSegmentIndex()¶

Returns the index of face for which last segment is calculated.

Return type:	int

InitFace()¶

Starts an exploration of the faces of the current shell.

Return type:	None

InitShape()¶

Parameters:	S (TopoDS_Shape &) –
Return type:	None

InitShell()¶

Starts an exploration of the shells.

Return type:	None

Intersector()¶

Parameters:	F (TopoDS_Face &) –
Return type:	IntCurvesFace_Intersector

MoreFace()¶

Returns True if current face in current shell.

Return type:	bool

MoreShell()¶

Returns True if there is a current shell.

Return type:	bool

NextFace()¶

Sets the explorer to the next Face of the current shell.

Return type:	None

NextShell()¶

Sets the explorer to the next shell.

Return type:	None

OtherSegment()¶

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:	P (gp_Pnt) – L (gp_Lin) – Par (float &) –
Return type:	int

PointInTheFace()¶

Parameters:	F (TopoDS_Face &) – P (gp_Pnt) – u (float &) – v (float &) – Param (float &) – Index (int &) – F – P – u – v – Param – Index – surf (Handle_BRepAdaptor_HSurface &) – u1 (float) – v1 (float) – u2 (float) – v2 (float) –
Return type:	bool
Return type:	bool

<Index> gives point index to search from and returns point index of succeseful search

Parameters:	F (TopoDS_Face &) – P (gp_Pnt) – u (float &) – v (float &) – Param (float &) – Index (int &) – surf (Handle_BRepAdaptor_HSurface &) – u1 (float) – v1 (float) – u2 (float) – v2 (float) – theVecD1U (gp_Vec) – theVecD1V (gp_Vec) –
Return type:	bool

Reject()¶

Should return True if P outside of bounding vol. of the shape

Parameters:	P (gp_Pnt) –
Return type:	bool

RejectFace()¶

returns True if the face is rejected.

Parameters:	L (gp_Lin) –
Return type:	bool

RejectShell()¶

Returns True if the Shell is rejected.

Parameters:	L (gp_Lin) –
Return type:	bool

Segment()¶

Returns in <L>, <Par> a segment having at least one intersection with the shape boundary to compute intersections.

Parameters:	P (gp_Pnt) – L (gp_Lin) – Par (float &) –
Return type:	int

thisown¶: The membership flag

BRepClass3d_SolidExplorer_FindAPointInTheFace(*args)¶

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:	F (TopoDS_Face &) – P (gp_Pnt) – Param (float &) – F – P – u (float &) – v (float &) – Param – F – P – u – v – Param – theVecD1U (gp_Vec) – theVecD1V (gp_Vec) – F – P – u – v – F – P – F – u – v –
Return type:	bool
Return type:	bool
Return type:	bool
Return type:	bool
Return type:	bool
Return type:	bool

class BRepClass3d_SolidPassiveClassifier(*args)¶

Bases: object

Return type:	None

Compare()¶

Parameters:	F (TopoDS_Face &) – Or (TopAbs_Orientation) –
Return type:	None

HasIntersection()¶

Return type:	bool

Intersector()¶

Return type:	BRepClass3d_Intersector3d

Parameter()¶

Return type:	float

Reset()¶

Parameters:	L (gp_Lin) – P (float) – Tol (float) –
Return type:	None

State()¶

Return type:	TopAbs_State

thisown¶: The membership flag

class Handle_BRepClass3d_DataMapNodeOfMapOfInter(*args)¶

Bases: OCC.TCollection.Handle_TCollection_MapNode

static DownCast()¶

GetObject()¶

IsNull()¶

Nullify()¶

thisown¶: The membership flag

class SwigPyIterator(*args, **kwargs)¶

Bases: object

advance()¶

copy()¶

decr()¶

distance()¶

equal()¶

incr()¶

next()¶

previous()¶

thisown¶: The membership flag

value()¶

class brepclass3d¶

Bases: object

static OuterShell(*args)¶

Returns the outer most shell of <S>. Returns a Null shell if <S> has no outer shell. If <S> has only one shell, then it will return, without checking orientation.

Parameters:	S (TopoDS_Solid &) –
Return type:	TopoDS_Shell

thisown¶: The membership flag

brepclass3d_OuterShell(*args)¶

Returns the outer most shell of <S>. Returns a Null shell if <S> has no outer shell. If <S> has only one shell, then it will return, without checking orientation.

Parameters:	S (TopoDS_Solid &) –
Return type:	TopoDS_Shell

register_handle(handle, base_object)¶: Inserts the handle into the base object to prevent memory corruption in certain cases