OCC.Intf module¶

Interference computation between polygons, lines andpolyhedra with only triangular facets. These objectsare polygonal representations of complex curves andtriangulated representations of complex surfaces.

class Handle_Intf_SequenceNodeOfSeqOfSectionLine(*args)¶

Bases: OCC.TCollection.Handle_TCollection_SeqNode

static DownCast()¶

GetObject()¶

IsNull()¶

Nullify()¶

thisown¶: The membership flag

class Handle_Intf_SequenceNodeOfSeqOfSectionPoint(*args)¶

Bases: OCC.TCollection.Handle_TCollection_SeqNode

static DownCast()¶

GetObject()¶

IsNull()¶

Nullify()¶

thisown¶: The membership flag

class Handle_Intf_SequenceNodeOfSeqOfTangentZone(*args)¶

Bases: OCC.TCollection.Handle_TCollection_SeqNode

static DownCast()¶

GetObject()¶

IsNull()¶

Nullify()¶

thisown¶: The membership flag

class Intf_Array1OfLin(*args)¶

Bases: object

Parameters:	Low (int) – Up (int) – Item (gp_Lin) – Low – Up –
Return type:	None
Return type:	None

Assign()¶

Parameters:	Other (Intf_Array1OfLin &) –
Return type:	Intf_Array1OfLin

ChangeValue()¶

Parameters:	Index (int) –
Return type:	gp_Lin

Destroy()¶

Return type:	None

Init()¶

Parameters:	V (gp_Lin) –
Return type:	None

IsAllocated()¶

Return type:	bool

Length()¶

Return type:	int

Lower()¶

Return type:	int

Set()¶

Parameters:	Other (Intf_Array1OfLin &) –
Return type:	Intf_Array1OfLin

SetValue()¶

Parameters:	Index (int) – Value (gp_Lin) –
Return type:	None

Upper()¶

Return type:	int

Value()¶

Parameters:	Index (int) –
Return type:	gp_Lin

thisown¶: The membership flag

class Intf_Interference(*args, **kwargs)¶

Bases: object

Contains()¶

Tests if the polylines of intersection or the zones of tangence contain the point of intersection <ThePnt>.

Parameters:	ThePnt (Intf_SectionPoint &) –
Return type:	bool

Dump()¶

Return type:	None

GetTolerance()¶

Gives the tolerance used for the calculation.

Return type:	float

Insert()¶

Inserts a new zone of tangence in the current list of tangent zones of the interference and returns True when done.

Parameters:	TheZone (Intf_TangentZone &) –
Return type:	bool

Insert a new segment of intersection in the current list of polylines of intersection of the interference.

Parameters:	pdeb (Intf_SectionPoint &) – pfin (Intf_SectionPoint &) –
Return type:	None

LineValue()¶

Gives the polyline of intersection at address <Index> in the interference.

Parameters:	Index (int) –
Return type:	Intf_SectionLine

NbSectionLines()¶

Gives the number of polylines of intersection in the interference.

Return type:	int

NbSectionPoints()¶

Gives the number of points of intersection in the interference.

Return type:	int

NbTangentZones()¶

Gives the number of zones of tangence in the interference.

Return type:	int

PntValue()¶

Gives the point of intersection of address Index in the interference.

Parameters:	Index (int) –
Return type:	Intf_SectionPoint

ZoneValue()¶

Gives the zone of tangence at address Index in the interference.

Parameters:	Index (int) –
Return type:	Intf_TangentZone

thisown¶: The membership flag

class Intf_InterferencePolygon2d(*args)¶

Bases: OCC.Intf.Intf_Interference

Constructs an empty interference of Polygon.

Return type:	None

Constructs and computes an interference between two Polygons.

Parameters:	Obje1 (Intf_Polygon2d &) – Obje2 (Intf_Polygon2d &) –
Return type:	None

Constructs and computes the auto interference of a Polygon.

Parameters:	Obje (Intf_Polygon2d &) –
Return type:	None

Perform()¶

Computes an interference between two Polygons.

Parameters:	Obje1 (Intf_Polygon2d &) – Obje2 (Intf_Polygon2d &) –
Return type:	None

Computes the self interference of a Polygon.

Parameters:	Obje (Intf_Polygon2d &) –
Return type:	None

Pnt2dValue()¶

Gives the geometrical 2d point of the intersection point at address <Index> in the interference.

Parameters:	Index (int) –
Return type:	gp_Pnt2d

thisown¶: The membership flag

class Intf_Polygon2d(*args, **kwargs)¶

Bases: object

Bounding()¶

Returns the bounding box of the polygon.

Return type:	Bnd_Box2d

Closed()¶

Returns True if the polyline is closed.

Return type:	bool

DeflectionOverEstimation()¶

Returns the tolerance of the polygon.

Return type:	float

NbSegments()¶

Returns the number of Segments in the polyline.

Return type:	int

Segment()¶

Returns the points of the segment <Index> in the Polygon.

Parameters:	theIndex (int) – theBegin (gp_Pnt2d) – theEnd (gp_Pnt2d) –
Return type:	void

thisown¶: The membership flag

class Intf_SectionLine(*args)¶

Bases: object

Constructs an empty SectionLine.

Return type:	None

Copies a SectionLine.

Parameters:	Other (Intf_SectionLine &) –
Return type:	None

Append()¶

Adds a point at the end of the SectionLine.

Parameters:	Pi (Intf_SectionPoint &) –
Return type:	None

Concatenates the SectionLine <LS> at the end of the SectionLine <self>.

Parameters:	LS (Intf_SectionLine &) –
Return type:	None

Close()¶

Closes the SectionLine.

Return type:	None

Contains()¶

Returns True if ThePI is in the SectionLine <self>.

Parameters:	ThePI (Intf_SectionPoint &) –
Return type:	bool

Dump()¶

Parameters:	Indent (int) –
Return type:	None

GetPoint()¶

Gives the point of intersection of address <Index> in the SectionLine.

Parameters:	Index (int) –
Return type:	Intf_SectionPoint

IsClosed()¶

Returns True if the SectionLine is closed.

Return type:	bool

IsEnd()¶

Checks if <ThePI> is an end of the SectionLine. Returns 1 for the beginning, 2 for the end, otherwise 0.

Parameters:	ThePI (Intf_SectionPoint &) –
Return type:	int

IsEqual()¶

Compares two SectionLines.

Parameters:	Other (Intf_SectionLine &) –
Return type:	bool

NumberOfPoints()¶

Returns number of points in this SectionLine.

Return type:	int

Prepend()¶

Adds a point to the beginning of the SectionLine <self>.

Parameters:	Pi (Intf_SectionPoint &) –
Return type:	None

Concatenates a SectionLine <LS> at the beginning of the SectionLine <self>.

Parameters:	LS (Intf_SectionLine &) –
Return type:	None

Reverse()¶

Reverses the order of the elements of the SectionLine.

Return type:	None

thisown¶: The membership flag

class Intf_SectionPoint(*args)¶

Bases: object

Return type:	None

Builds a SectionPoint with the respective dimensions (vertex edge or face) of the concerned arguments and their addresses in the Topological structure.

Parameters:	Where (gp_Pnt) – DimeO (Intf_PIType) – AddrO1 (int) – AddrO2 (int) – ParamO (float) – DimeT (Intf_PIType) – AddrT1 (int) – AddrT2 (int) – ParamT (float) – Incid (float) –
Return type:	None

Builds a SectionPoint 2d with the respective dimensions (vertex or edge) of the concerned arguments and their addresses in the Topological structure.

Parameters:	Where (gp_Pnt2d) – DimeO (Intf_PIType) – AddrO1 (int) – ParamO (float) – DimeT (Intf_PIType) – AddrT1 (int) – ParamT (float) – Incid (float) –
Return type:	None

Dump()¶

Parameters:	Indent (int) –
Return type:	None

Incidence()¶

Gives the incidence at this section point. The incidence between the two triangles is given by the cosine. The best incidence is 0. (PI/2). The worst is 1. (null angle).

Return type:	float

InfoFirst()¶

Parameters:	Dim (Intf_PIType &) – Add1 (int &) – Add2 (int &) – Param (float &) –
Return type:	None

Gives the datas about the first argument of the Interference.

Parameters:	Dim (Intf_PIType &) – Addr (int &) – Param (float &) –
Return type:	None

InfoSecond()¶

Parameters:	Dim (Intf_PIType &) – Add1 (int &) – Add2 (int &) – Param (float &) –
Return type:	None

Gives the datas about the second argument of the Interference.

Parameters:	Dim (Intf_PIType &) – Addr (int &) – Param (float &) –
Return type:	None

IsEqual()¶

Returns True if the two SectionPoint have the same logical informations.

Parameters:	Other (Intf_SectionPoint &) –
Return type:	bool

IsOnSameEdge()¶

Returns True if the two SectionPoints are on the same edge of the first or the second element.

Parameters:	Other (Intf_SectionPoint &) –
Return type:	bool

Merge()¶

Merges two SectionPoints.

Parameters:	Other (Intf_SectionPoint &) –
Return type:	None

ParamOnFirst()¶

Returns the cumulated Parameter of the SectionPoint on the first element.

Return type:	float

ParamOnSecond()¶

Returns the cumulated Parameter of the section point on the second element.

Return type:	float

Pnt()¶

Returns the location of the SectionPoint.

Return type:	gp_Pnt

TypeOnFirst()¶

Returns the type of the section point on the first element.

Return type:	Intf_PIType

TypeOnSecond()¶

Returns the type of the section point on the second element.

Return type:	Intf_PIType

thisown¶: The membership flag

class Intf_SeqOfSectionLine(*args)¶

Bases: OCC.TCollection.TCollection_BaseSequence

Return type:	None
Parameters:	Other (Intf_SeqOfSectionLine &) –
Return type:	None

Append()¶

Parameters:	T (Intf_SectionLine &) – S (Intf_SeqOfSectionLine &) –
Return type:	None
Return type:	None

Assign()¶

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

ChangeValue()¶

Parameters:	Index (int) –
Return type:	Intf_SectionLine

Clear()¶

Return type:	None

First()¶

Return type:	Intf_SectionLine

InsertAfter()¶

Parameters:	Index (int) – T (Intf_SectionLine &) – Index – S (Intf_SeqOfSectionLine &) –
Return type:	None
Return type:	None

InsertBefore()¶

Parameters:	Index (int) – T (Intf_SectionLine &) – Index – S (Intf_SeqOfSectionLine &) –
Return type:	None
Return type:	None

Last()¶

Return type:	Intf_SectionLine

Prepend()¶

Parameters:	T (Intf_SectionLine &) – S (Intf_SeqOfSectionLine &) –
Return type:	None
Return type:	None

Remove()¶

Parameters:	Index (int) – FromIndex (int) – ToIndex (int) –
Return type:	None
Return type:	None

Set()¶

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

SetValue()¶

Parameters:	Index (int) – I (Intf_SectionLine &) –
Return type:	None

Split()¶

Parameters:	Index (int) – Sub (Intf_SeqOfSectionLine &) –
Return type:	None

Value()¶

Parameters:	Index (int) –
Return type:	Intf_SectionLine

thisown¶: The membership flag

class Intf_SeqOfSectionPoint(*args)¶

Bases: OCC.TCollection.TCollection_BaseSequence

Return type:	None
Parameters:	Other (Intf_SeqOfSectionPoint &) –
Return type:	None

Append()¶

Parameters:	T (Intf_SectionPoint &) – S (Intf_SeqOfSectionPoint &) –
Return type:	None
Return type:	None

Assign()¶

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

ChangeValue()¶

Parameters:	Index (int) –
Return type:	Intf_SectionPoint

Clear()¶

Return type:	None

First()¶

Return type:	Intf_SectionPoint

InsertAfter()¶

Parameters:	Index (int) – T (Intf_SectionPoint &) – Index – S (Intf_SeqOfSectionPoint &) –
Return type:	None
Return type:	None

InsertBefore()¶

Parameters:	Index (int) – T (Intf_SectionPoint &) – Index – S (Intf_SeqOfSectionPoint &) –
Return type:	None
Return type:	None

Last()¶

Return type:	Intf_SectionPoint

Prepend()¶

Parameters:	T (Intf_SectionPoint &) – S (Intf_SeqOfSectionPoint &) –
Return type:	None
Return type:	None

Remove()¶

Parameters:	Index (int) – FromIndex (int) – ToIndex (int) –
Return type:	None
Return type:	None

Set()¶

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

SetValue()¶

Parameters:	Index (int) – I (Intf_SectionPoint &) –
Return type:	None

Split()¶

Parameters:	Index (int) – Sub (Intf_SeqOfSectionPoint &) –
Return type:	None

Value()¶

Parameters:	Index (int) –
Return type:	Intf_SectionPoint

thisown¶: The membership flag

class Intf_SeqOfTangentZone(*args)¶

Bases: OCC.TCollection.TCollection_BaseSequence

Return type:	None
Parameters:	Other (Intf_SeqOfTangentZone &) –
Return type:	None

Append()¶

Parameters:	T (Intf_TangentZone &) – S (Intf_SeqOfTangentZone &) –
Return type:	None
Return type:	None

Assign()¶

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

ChangeValue()¶

Parameters:	Index (int) –
Return type:	Intf_TangentZone

Clear()¶

Return type:	None

First()¶

Return type:	Intf_TangentZone

InsertAfter()¶

Parameters:	Index (int) – T (Intf_TangentZone &) – Index – S (Intf_SeqOfTangentZone &) –
Return type:	None
Return type:	None

InsertBefore()¶

Parameters:	Index (int) – T (Intf_TangentZone &) – Index – S (Intf_SeqOfTangentZone &) –
Return type:	None
Return type:	None

Last()¶

Return type:	Intf_TangentZone

Prepend()¶

Parameters:	T (Intf_TangentZone &) – S (Intf_SeqOfTangentZone &) –
Return type:	None
Return type:	None

Remove()¶

Parameters:	Index (int) – FromIndex (int) – ToIndex (int) –
Return type:	None
Return type:	None

Set()¶

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

SetValue()¶

Parameters:	Index (int) – I (Intf_TangentZone &) –
Return type:	None

Split()¶

Parameters:	Index (int) – Sub (Intf_SeqOfTangentZone &) –
Return type:	None

Value()¶

Parameters:	Index (int) –
Return type:	Intf_TangentZone

thisown¶: The membership flag

class Intf_SequenceNodeOfSeqOfSectionLine(*args)¶

Bases: OCC.TCollection.TCollection_SeqNode

Parameters:	I (Intf_SectionLine &) – n (TCollection_SeqNodePtr &) – p (TCollection_SeqNodePtr &) –
Return type:	None

GetHandle()¶

Value()¶

Return type:	Intf_SectionLine

thisown¶: The membership flag

class Intf_SequenceNodeOfSeqOfSectionPoint(*args)¶

Bases: OCC.TCollection.TCollection_SeqNode

Parameters:	I (Intf_SectionPoint &) – n (TCollection_SeqNodePtr &) – p (TCollection_SeqNodePtr &) –
Return type:	None

GetHandle()¶

Value()¶

Return type:	Intf_SectionPoint

thisown¶: The membership flag

class Intf_SequenceNodeOfSeqOfTangentZone(*args)¶

Bases: OCC.TCollection.TCollection_SeqNode

Parameters:	I (Intf_TangentZone &) – n (TCollection_SeqNodePtr &) – p (TCollection_SeqNodePtr &) –
Return type:	None

GetHandle()¶

Value()¶

Return type:	Intf_TangentZone

thisown¶: The membership flag

class Intf_TangentZone(*args)¶

Bases: object

Builds an empty tangent zone.

Return type:	None

Copies a Tangent zone.

Parameters:	Other (Intf_TangentZone &) –
Return type:	None

Append()¶

Adds a SectionPoint to the TangentZone.

Parameters:	Pi (Intf_SectionPoint &) –
Return type:	None

Adds the TangentZone <Tzi> to <self>.

Parameters:	Tzi (Intf_TangentZone &) –
Return type:	None

Contains()¶

Checks if <ThePI> is in TangentZone.

Parameters:	ThePI (Intf_SectionPoint &) –
Return type:	bool

Dump()¶

Parameters:	Indent (int) –
Return type:	None

GetPoint()¶

Gives the SectionPoint of address <Index> in the TangentZone.

Parameters:	Index (int) –
Return type:	Intf_SectionPoint

HasCommonRange()¶

Returns True if the TangentZone <Other> has a common part with <self>.

Parameters:	Other (Intf_TangentZone &) –
Return type:	bool

InfoFirst()¶

Gives information about the first argument of the Interference. (Usable only for polygon)

Parameters:	segMin (int &) – paraMin (float &) – segMax (int &) – paraMax (float &) –
Return type:	None

InfoSecond()¶

Gives informations about the second argument of the Interference. (Usable only for polygon)

Parameters:	segMin (int &) – paraMin (float &) – segMax (int &) – paraMax (float &) –
Return type:	None

Insert()¶

Inserts a SectionPoint in the TangentZone.

Parameters:	Pi (Intf_SectionPoint &) –
Return type:	bool

InsertAfter()¶

Inserts a SectionPoint after <Index> in the TangentZone.

Parameters:	Index (int) – Pi (Intf_SectionPoint &) –
Return type:	None

InsertBefore()¶

Inserts a SectionPoint before <Index> in the TangentZone.

Parameters:	Index (int) – Pi (Intf_SectionPoint &) –
Return type:	None

IsEqual()¶

Compares two TangentZones.

Parameters:	Other (Intf_TangentZone &) –
Return type:	bool

NumberOfPoints()¶

Returns number of SectionPoint in this TangentZone.

Return type:	int

ParamOnFirst()¶

Gives the parameter range of the TangentZone on the first argument of the Interference. (Usable only for polygon)

Parameters:	paraMin (float &) – paraMax (float &) –
Return type:	None

ParamOnSecond()¶

Gives the parameter range of the TangentZone on the second argument of the Interference. (Usable only for polygon)

Parameters:	paraMin (float &) – paraMax (float &) –
Return type:	None

PolygonInsert()¶

Inserts a point in the polygonal TangentZone.

Parameters:	Pi (Intf_SectionPoint &) –
Return type:	None

RangeContains()¶

Returns True if <ThePI> is in the parameter range of the TangentZone.

Parameters:	ThePI (Intf_SectionPoint &) –
Return type:	bool

thisown¶: The membership flag

class Intf_Tool(*args)¶

Bases: object

Return type:	None

BeginParam()¶

Parameters:	SegmentNum (int) –
Return type:	float

EndParam()¶

Parameters:	SegmentNum (int) –
Return type:	float

Hypr2dBox()¶

Parameters:	theHypr2d (gp_Hypr2d) – bounding (Bnd_Box2d &) – boxHypr (Bnd_Box2d &) –
Return type:	None

HyprBox()¶

Parameters:	theHypr (gp_Hypr) – bounding (Bnd_Box &) – boxHypr (Bnd_Box &) –
Return type:	None

Lin2dBox()¶

Parameters:	theLin2d (gp_Lin2d) – bounding (Bnd_Box2d &) – boxLin (Bnd_Box2d &) –
Return type:	None

LinBox()¶

Parameters:	theLin (gp_Lin) – bounding (Bnd_Box &) – boxLin (Bnd_Box &) –
Return type:	None

NbSegments()¶

Return type:	int

Parab2dBox()¶

Parameters:	theParab2d (gp_Parab2d) – bounding (Bnd_Box2d &) – boxHypr (Bnd_Box2d &) –
Return type:	None

ParabBox()¶

Parameters:	theParab (gp_Parab) – bounding (Bnd_Box &) – boxHypr (Bnd_Box &) –
Return type:	None

thisown¶: The membership flag

class SwigPyIterator(*args, **kwargs)¶

Bases: object

advance()¶

copy()¶

decr()¶

distance()¶

equal()¶

incr()¶

next()¶

previous()¶

thisown¶: The membership flag

value()¶

class intf¶

Bases: object

static Contain()¶

Compute if the triangle <P1> <P2> <P3> contain <ThePnt>.

Parameters:	P1 (gp_Pnt) – P2 (gp_Pnt) – P3 (gp_Pnt) – ThePnt (gp_Pnt) –
Return type:	bool

static PlaneEquation()¶

Computes the interference between two polygons in 2d. Result : points of intersections and zones of tangence. Computes the interference between a polygon or a straight line and a polyhedron. Points of intersection and zones of tangence. Give the plane equation of the triangle <P1> <P2> <P3>.

Parameters:	P1 (gp_Pnt) – P2 (gp_Pnt) – P3 (gp_Pnt) – NormalVector (gp_XYZ) – PolarDistance (float &) –
Return type:	void

thisown¶: The membership flag

intf_Contain()¶

Compute if the triangle <P1> <P2> <P3> contain <ThePnt>.

Parameters:	P1 (gp_Pnt) – P2 (gp_Pnt) – P3 (gp_Pnt) – ThePnt (gp_Pnt) –
Return type:	bool

intf_PlaneEquation()¶

Computes the interference between two polygons in 2d. Result : points of intersections and zones of tangence. Computes the interference between a polygon or a straight line and a polyhedron. Points of intersection and zones of tangence. Give the plane equation of the triangle <P1> <P2> <P3>.

Parameters:	P1 (gp_Pnt) – P2 (gp_Pnt) – P3 (gp_Pnt) – NormalVector (gp_XYZ) – PolarDistance (float &) –
Return type:	void

new_instancemethod(func, inst, cls)¶

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