OCC.Core.Geom2dHatch module

Geom2dHatch module, see official documentation at https://www.opencascade.com/doc/occt-7.4.0/refman/html/package_geom2dhatch.html

class Geom2dHatch_Classifier(*args)

Bases: object

• Empty constructor, undefined algorithm.

  rtype

  None* Creates an algorithm to classify the Point P with Tolerance <T> on the face described by <F>.

  param F

  type F

  Geom2dHatch_Elements &

  param P

  type P

  gp_Pnt2d

  param Tol

  type Tol

  float

  rtype

  None

Edge()

• Returns the Edge used to determine the classification. When the State is ON this is the Edge containing the point.

  rtype

  Geom2dAdaptor_Curve

EdgeParameter()

• Returns the parameter on Edge() used to determine the classification.

  rtype

  float

NoWires()

• Returns True if the face contains no wire. The state is IN.

  rtype

  bool

Perform()

• Classify the Point P with Tolerance <T> on the face described by <F>.

  param F

  type F

  Geom2dHatch_Elements &

  param P

  type P

  gp_Pnt2d

  param Tol

  type Tol

  float

  rtype

  None

Position()

• Returns the position of the point on the edge returned by Edge.

  rtype

  IntRes2d_Position

Rejected()

• Returns True when the state was computed by a rejection. The state is OUT.

  rtype

  bool

State()

• Returns the result of the classification.

  rtype

  TopAbs_State

property thisown

The membership flag

class Geom2dHatch_Element(*args)

Bases: object

Return type

None* Magic constructor. :param Other: :type Other: Geom2dHatch_Element & :rtype: None* Creates an element. :param Curve: :type Curve: Geom2dAdaptor_Curve & :param Orientation: default value is TopAbs_FORWARD :type Orientation: TopAbs_Orientation :rtype: None

ChangeCurve()

• Returns the curve associated to the element.

  rtype

  Geom2dAdaptor_Curve

Curve()

• Returns the curve associated to the element.

  rtype

  Geom2dAdaptor_Curve

Orientation()

• Sets the orientation of the element.

  param Orientation

  type Orientation

  TopAbs_Orientation

  rtype

  None* Returns the orientation of the element.

  rtype

  TopAbs_Orientation

property thisown

The membership flag

class Geom2dHatch_Elements(*args)

Bases: object

Return type

None:param Other: :type Other: Geom2dHatch_Elements & :rtype: None

Bind()

Parameters

K –

type K

int

param I

type I

Geom2dHatch_Element &

rtype

bool

ChangeFind()

Parameters

K –

type K

int

rtype

Geom2dHatch_Element

CheckPoint()

Parameters

P –

type P

gp_Pnt2d

rtype

bool

Clear()

Return type

None

CurrentEdge()

Parameters

E –

type E

Geom2dAdaptor_Curve &

param Or

type Or

TopAbs_Orientation &

rtype

None

Find()

Parameters

K –

type K

int

rtype

Geom2dHatch_Element

InitEdges()

Return type

None

InitWires()

Return type

None

IsBound()

Parameters

K –

type K

int

rtype

bool

MoreEdges()

Return type

bool

MoreWires()

Return type

bool

NextEdge()

Return type

None

NextWire()

Return type

None

OtherSegment()

Parameters

P –

type P

gp_Pnt2d

param L

type L

gp_Lin2d

param Par

type Par

float &

rtype

bool

Reject()

Parameters

P –

type P

gp_Pnt2d

rtype

bool

RejectEdge()

Parameters

L –

type L

gp_Lin2d

param Par

type Par

float

rtype

bool

RejectWire()

Parameters

L –

type L

gp_Lin2d

param Par

type Par

float

rtype

bool

Segment()

Parameters

P –

type P

gp_Pnt2d

param L

type L

gp_Lin2d

param Par

type Par

float &

rtype

bool

UnBind()

Parameters

K –

type K

int

rtype

bool

property thisown

The membership flag

class Geom2dHatch_FClass2dOfClassifier(*args)

Bases: object

• Creates an undefined classifier.

  rtype

  None

ClosestIntersection()

• Returns 0 if the last compared edge had no relevant intersection. Else returns the index of this intersection in the last intersection algorithm.

  rtype

  int

Compare()

• Updates the classification process with the edge <E> from the boundary.

  param E

  type E

  Geom2dAdaptor_Curve &

  param Or

  type Or

  TopAbs_Orientation

  rtype

  None

Intersector()

• Returns the intersecting algorithm.

  rtype

  Geom2dHatch_Intersector

IsHeadOrEnd()

• Returns the Standard_True if the closest intersection point represents head or end of the edge. Returns Standard_False otherwise.

  rtype

  bool

Parameter()

• Returns the current value of the parameter.

  rtype

  float

Reset()

• Starts a classification process. The point to classify is the origin of the line <L>. <P> is the original length of the segment on <L> used to compute intersections. <Tol> is the tolerance attached to the line segment in intersections.

  param L

  type L

  gp_Lin2d

  param P

  type P

  float

  param Tol

  type Tol

  float

  rtype

  None

State()

• Returns the current state of the point.

  rtype

  TopAbs_State

property thisown

The membership flag

class Geom2dHatch_Hatcher(*args)

Bases: object

• Returns an empty hatcher.

  param Intersector

  type Intersector

  Geom2dHatch_Intersector &

  param Confusion2d

  type Confusion2d

  float

  param Confusion3d

  type Confusion3d

  float

  param KeepPnt

  default value is Standard_False

  type KeepPnt

  bool

  param KeepSeg

  default value is Standard_False

  type KeepSeg

  bool

  rtype

  None

AddElement()

• Adds an element to the hatcher and returns its index.

  param Curve

  type Curve

  Geom2dAdaptor_Curve &

  param Orientation

  default value is TopAbs_FORWARD

  type Orientation

  TopAbs_Orientation

  rtype

  int* Adds an element to the hatcher and returns its index.

  param Curve

  type Curve

  opencascade::handle<Geom2d_Curve> &

  param Orientation

  default value is TopAbs_FORWARD

  type Orientation

  TopAbs_Orientation

  rtype

  int

AddHatching()

• Adds a hatching to the hatcher and returns its index.

  param Curve

  type Curve

  Geom2dAdaptor_Curve &

  rtype

  int

ChangeIntersector()

• Returns the associated intersector.

  rtype

  Geom2dHatch_Intersector

Clear()

• Removes all the hatchings and all the elements.

  rtype

  None

ClrElements()

• Removes all the elements from the hatcher.

  rtype

  None

ClrHatchings()

• Removes all the hatchings from the hatcher.

  rtype

  None

ComputeDomains()

• Computes the domains of all the hatchings.

  rtype

  None* Computes the domains of the IndH-th hatching.

  param IndH

  type IndH

  int

  rtype

  None

Confusion2d()

• Sets the confusion tolerance.

  param Confusion

  type Confusion

  float

  rtype

  None* Returns the 2d confusion tolerance, i.e. the value under which two points are considered identical in the parametric space of the hatching.

  rtype

  float

Confusion3d()

• Sets the confusion tolerance.

  param Confusion

  type Confusion

  float

  rtype

  None* Returns the 3d confusion tolerance, i.e. the value under which two points are considered identical in the 3d space of the hatching.

  rtype

  float

Domain()

• Returns the IDom-th domain of the IndH-th hatching.

  param IndH

  type IndH

  int

  param IDom

  type IDom

  int

  rtype

  HatchGen_Domain

Dump()

• Dump the hatcher.

  rtype

  None

ElementCurve()

• Returns the curve associated to the IndE-th element.

  param IndE

  type IndE

  int

  rtype

  Geom2dAdaptor_Curve

HatchingCurve()

• Returns the curve associated to the IndH-th hatching.

  param IndH

  type IndH

  int

  rtype

  Geom2dAdaptor_Curve

Intersector()

• Sets the associated intersector.

  param Intersector

  type Intersector

  Geom2dHatch_Intersector &

  rtype

  None* Returns the associated intersector.

  rtype

  Geom2dHatch_Intersector

KeepPoints()

• Sets the above flag.

  param Keep

  type Keep

  bool

  rtype

  None* Returns the flag about the points consideration.

  rtype

  bool

KeepSegments()

• Sets the above flag.

  param Keep

  type Keep

  bool

  rtype

  None* Returns the flag about the segments consideration.

  rtype

  bool

NbDomains()

• Returns the number of domains of the IndH-th hatching. Only ONE ‘INFINITE’ domain means that the hatching is fully included in the contour defined by the elements.

  param IndH

  type IndH

  int

  rtype

  int

NbPoints()

• Returns the number of intersection points of the IndH-th hatching.

  param IndH

  type IndH

  int

  rtype

  int

Point()

• Returns the IndP-th intersection point of the IndH-th hatching.

  param IndH

  type IndH

  int

  param IndP

  type IndP

  int

  rtype

  HatchGen_PointOnHatching

RemElement()

• Removes the IndE-th element from the hatcher.

  param IndE

  type IndE

  int

  rtype

  None

RemHatching()

• Removes the IndH-th hatching from the hatcher.

  param IndH

  type IndH

  int

  rtype

  None

Status()

• Returns the status about the IndH-th hatching.

  param IndH

  type IndH

  int

  rtype

  HatchGen_ErrorStatus

Trim()

• Trims all the hatchings of the hatcher by all the elements of the hatcher.

  rtype

  None* Adds a hatching to the hatcher and trims it by the elements already given and returns its index.

  param Curve

  type Curve

  Geom2dAdaptor_Curve &

  rtype

  int* Trims the IndH-th hatching by the elements already given.

  param IndH

  type IndH

  int

  rtype

  None

TrimDone()

• Returns the fact that the intersections were computed for the IndH-th hatching.

  param IndH

  type IndH

  int

  rtype

  bool

TrimFailed()

• Returns the fact that the intersections failed for the IndH-th hatching.

  param IndH

  type IndH

  int

  rtype

  bool

property thisown

The membership flag

class Geom2dHatch_Hatching(*args)

Bases: object

Return type

None* Creates a hatching. :param Curve: :type Curve: Geom2dAdaptor_Curve & :rtype: None

AddDomain()

• Adds a domain to the hatching.

  param Domain

  type Domain

  HatchGen_Domain &

  rtype

  None

AddPoint()

• Adds an intersection point to the hatching.

  param Point

  type Point

  HatchGen_PointOnHatching &

  param Confusion

  type Confusion

  float

  rtype

  None

ChangeCurve()

• Returns the curve associated to the hatching.

  rtype

  Geom2dAdaptor_Curve

ChangePoint()

• Returns the Index-th intersection point of the hatching. The exception OutOfRange is raised if Index < 1 or Index > NbPoints.

  param Index

  type Index

  int

  rtype

  HatchGen_PointOnHatching

ClassificationPoint()

• Returns a point on the curve. This point will be used for the classification.

  rtype

  gp_Pnt2d

ClrDomains()

• Removes all the domains of the hatching.

  rtype

  None

ClrPoints()

• Removes all the intersection points of the hatching.

  rtype

  None

Curve()

• Returns the curve associated to the hatching.

  rtype

  Geom2dAdaptor_Curve

Domain()

• Returns the Index-th domain of the hatching. The exception OutOfRange is raised if Index < 1 or Index > NbDomains.

  param Index

  type Index

  int

  rtype

  HatchGen_Domain

IsDone()

• Sets the flag about the domains computation to the given value.

  param Flag

  type Flag

  bool

  rtype

  None* Returns the flag about the domains computation.

  rtype

  bool

NbDomains()

• Returns the number of domains of the hatching.

  rtype

  int

NbPoints()

• Returns the number of intersection points of the hatching.

  rtype

  int

Point()

• Returns the Index-th intersection point of the hatching. The exception OutOfRange is raised if Index < 1 or Index > NbPoints.

  param Index

  type Index

  int

  rtype

  HatchGen_PointOnHatching

RemDomain()

• Removes the Index-th domain of the hatching. The exception OutOfRange is raised if Index < 1 or Index > NbDomains.

  param Index

  type Index

  int

  rtype

  None

RemPoint()

• Removes the Index-th intersection point of the hatching. The exception OutOfRange is raised if Index < 1 or Index > NbPoints.

  param Index

  type Index

  int

  rtype

  None

Status()

• Sets the error status.

  param theStatus

  type theStatus

  HatchGen_ErrorStatus

  rtype

  None* Returns the error status.

  rtype

  HatchGen_ErrorStatus

TrimDone()

• Sets the flag about the trimming computations to the given value.

  param Flag

  type Flag

  bool

  rtype

  None* Returns the flag about the trimming computations.

  rtype

  bool

TrimFailed()

• Sets the flag about the trimming failure to the given value.

  param Flag

  type Flag

  bool

  rtype

  None* Returns the flag about the trimming failure.

  rtype

  bool

property thisown

The membership flag

class Geom2dHatch_Hatchings(*args)

Bases: object

Assign()

Bind()

Bound()

ChangeFind()

ChangeSeek()

Clear()

Exchange()

Find()

IsBound()

ReSize()

Seek()

Set()

Size()

UnBind()

begin()

cbegin()

cend()

end()

property thisown

The membership flag

class Geom2dHatch_Intersector(*args)

Bases: OCC.Core.Geom2dInt.Geom2dInt_GInter

• Creates an intersector.

  param Confusion

  type Confusion

  float

  param Tangency

  type Tangency

  float

  rtype

  None:rtype: None

ConfusionTolerance()

• Returns the confusion tolerance of the intersector.

  rtype

  float

Intersect()

• Intersects the curves C1 and C2. The results are retreived by the usual methods described in IntRes2d_Intersection. Creates an intersector.

  param C1

  type C1

  Geom2dAdaptor_Curve &

  param C2

  type C2

  Geom2dAdaptor_Curve &

  rtype

  None

LocalGeometry()

• Returns in <T>, <N> and <C> the tangent, normal and curvature of the edge <E> at parameter value <U>.

  param E

  type E

  Geom2dAdaptor_Curve &

  param U

  type U

  float

  param T

  type T

  gp_Dir2d

  param N

  type N

  gp_Dir2d

  param C

  type C

  float &

  rtype

  None

Perform()

• Performs the intersection between the 2d line segment (<L>, <P>) and the Curve <E>. The line segment is the part of the 2d line <L> of parameter range [0, <P>] (P is positive and can be RealLast()). Tol is the Tolerance on the segment. The order is relevant, the first argument is the segment, the second the Edge.

  param L

  type L

  gp_Lin2d

  param P

  type P

  float

  param Tol

  type Tol

  float

  param E

  type E

  Geom2dAdaptor_Curve &

  rtype

  None

SetConfusionTolerance()

• Sets the confusion tolerance of the intersector.

  param Confusion

  type Confusion

  float

  rtype

  None

SetTangencyTolerance()

• Sets the tangency tolerance of the intersector.

  param Tangency

  type Tangency

  float

  rtype

  None

TangencyTolerance()

• Returns the tangency tolerance of the intersector.

  rtype

  float

property thisown

The membership flag

class Geom2dHatch_MapOfElements(*args)

Bases: object

Assign()

Bind()

Bound()

ChangeFind()

ChangeSeek()

Clear()

Exchange()

Find()

IsBound()

ReSize()

Seek()

Set()

Size()

UnBind()

begin()

cbegin()

cend()

end()

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()