OCC.Core.ShapeUpgrade module

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

class ShapeUpgrade_ClosedEdgeDivide(*args)

Bases: OCC.Core.ShapeUpgrade.ShapeUpgrade_EdgeDivide

• Empty constructor.

  rtype

  None

static DownCast(t)

property thisown

The membership flag

class ShapeUpgrade_ClosedFaceDivide(*args)

Bases: OCC.Core.ShapeUpgrade.ShapeUpgrade_FaceDivide

• Creates empty constructor.

  rtype

  None* Initialize by a Face.

  param F

  type F

  TopoDS_Face

  rtype

  None

static DownCast(t)

GetNbSplitPoints()

• Returns the number of splitting points

  rtype

  int

SetNbSplitPoints()

• Sets the number of cutting lines by which closed face will be splitted. The resulting faces will be num+1.

  param num

  type num

  int

  rtype

  None

property thisown

The membership flag

class ShapeUpgrade_ConvertCurve2dToBezier(*args)

Bases: OCC.Core.ShapeUpgrade.ShapeUpgrade_SplitCurve2d

• Empty constructor.

  rtype

  None

static DownCast(t)

SplitParams()

• Returns the list of splitted parameters in original curve parametrisation.

  rtype

  opencascade::handle<TColStd_HSequenceOfReal>

property thisown

The membership flag

class ShapeUpgrade_ConvertCurve3dToBezier(*args)

Bases: OCC.Core.ShapeUpgrade.ShapeUpgrade_SplitCurve3d

• Empty constructor

  rtype

  None

static DownCast(t)

GetCircleMode()

• Returns the Geom_Circle conversion mode.

  rtype

  bool

GetConicMode()

• Performs converting and computes the resulting shape.

  rtype

  bool

GetLineMode()

• Returns the Geom_Line conversion mode.

  rtype

  bool

SetCircleMode()

• Sets mode for conversion Geom_Circle to bezier.

  param mode

  type mode

  bool

  rtype

  None

SetConicMode()

• Returns the Geom_Conic conversion mode.

  param mode

  type mode

  bool

  rtype

  None

SetLineMode()

• Sets mode for conversion Geom_Line to bezier.

  param mode

  type mode

  bool

  rtype

  None

SplitParams()

• Returns the list of splitted parameters in original curve parametrisation.

  rtype

  opencascade::handle<TColStd_HSequenceOfReal>

property thisown

The membership flag

class ShapeUpgrade_ConvertSurfaceToBezierBasis(*args)

Bases: OCC.Core.ShapeUpgrade.ShapeUpgrade_SplitSurface

• Empty constructor.

  rtype

  None

static DownCast(t)

GetBSplineMode()

• Returns the Geom_BSplineSurface conversion mode.

  rtype

  bool

GetExtrusionMode()

• Returns the Geom_SurfaceOfLinearExtrusion conversion mode.

  rtype

  bool

GetPlaneMode()

• Returns the Geom_Pline conversion mode.

  rtype

  bool

GetRevolutionMode()

• Returns the Geom_SurfaceOfRevolution conversion mode.

  rtype

  bool

Segments()

• Returns the grid of bezier based surfaces correspondent to original surface.

  rtype

  opencascade::handle<ShapeExtend_CompositeSurface>

SetBSplineMode()

• Sets mode for conversion Geom_BSplineSurface to Bezier

  param mode

  type mode

  bool

  rtype

  None

SetExtrusionMode()

• Sets mode for conversion Geom_SurfaceOfLinearExtrusion to Bezier

  param mode

  type mode

  bool

  rtype

  None

SetPlaneMode()

• Sets mode for conversion Geom_Plane to Bezier

  param mode

  type mode

  bool

  rtype

  None

SetRevolutionMode()

• Sets mode for conversion Geom_SurfaceOfRevolution to Bezier

  param mode

  type mode

  bool

  rtype

  None

property thisown

The membership flag

class ShapeUpgrade_EdgeDivide(*args)

Bases: OCC.Core.ShapeUpgrade.ShapeUpgrade_Tool

• Empty constructor

  rtype

  None

Clear()

Return type

None

Compute()

Parameters

E –

type E

TopoDS_Edge

rtype

bool

static DownCast(t)

GetSplitCurve2dTool()

• Returns the tool for splitting pcurves.

  rtype

  opencascade::handle<ShapeUpgrade_SplitCurve2d>

GetSplitCurve3dTool()

• Returns the tool for splitting 3D curves.

  rtype

  opencascade::handle<ShapeUpgrade_SplitCurve3d>

HasCurve2d()

Return type

bool

HasCurve3d()

Return type

bool

Knots2d()

Return type

opencascade::handle<TColStd_HSequenceOfReal>

Knots3d()

Return type

opencascade::handle<TColStd_HSequenceOfReal>

SetFace()

• Sets supporting surface by face

  param F

  type F

  TopoDS_Face

  rtype

  None

SetSplitCurve2dTool()

• Sets the tool for splitting pcurves.

  param splitCurve2dTool

  type splitCurve2dTool

  ShapeUpgrade_SplitCurve2d

  rtype

  None

SetSplitCurve3dTool()

• Sets the tool for splitting 3D curves.

  param splitCurve3dTool

  type splitCurve3dTool

  ShapeUpgrade_SplitCurve3d

  rtype

  None

property thisown

The membership flag

class ShapeUpgrade_FaceDivide(*args)

Bases: OCC.Core.ShapeUpgrade.ShapeUpgrade_Tool

• Creates empty constructor.

  rtype

  None* Initialize by a Face.

  param F

  type F

  TopoDS_Face

  rtype

  None

static DownCast(t)

GetSplitSurfaceTool()

• Returns the tool for splitting surfaces. This tool must be already initialized.

  rtype

  opencascade::handle<ShapeUpgrade_SplitSurface>

GetWireDivideTool()

• Returns the tool for dividing edges on Face. This tool must be already initialized.

  rtype

  opencascade::handle<ShapeUpgrade_WireDivide>

Init()

• Initialize by a Face.

  param F

  type F

  TopoDS_Face

  rtype

  None

Perform()

• Performs splitting and computes the resulting shell The context is used to keep track of former splittings in order to keep sharings. It is updated according to modifications made.

  rtype

  bool

Result()

• Gives the resulting Shell, or Face, or Null shape if not done.

  rtype

  TopoDS_Shape

SetSplitSurfaceTool()

• Sets the tool for splitting surfaces.

  param splitSurfaceTool

  type splitSurfaceTool

  ShapeUpgrade_SplitSurface

  rtype

  None

SetSurfaceSegmentMode()

• Purpose sets mode for trimming (segment) surface by wire UV bounds.

  param Segment

  type Segment

  bool

  rtype

  None

SetWireDivideTool()

• Sets the tool for dividing edges on Face.

  param wireDivideTool

  type wireDivideTool

  ShapeUpgrade_WireDivide

  rtype

  None

SplitCurves()

• Performs splitting of curves of all the edges in the shape and divides these edges.

  rtype

  bool

SplitSurface()

• Performs splitting of surface and computes the shell from source face.

  rtype

  bool

Status()

• Queries the status of last call to Perform OKno splitting was done (or no call to Perform) DONE1: some edges were splitted DONE2: surface was splitted DONE3: surface was modified without splitting FAIL1: some fails encountered during splitting wires FAIL2: face cannot be splitted

  param status

  type status

  ShapeExtend_Status

  rtype

  bool

property thisown

The membership flag

class ShapeUpgrade_FaceDivideArea(*args)

Bases: OCC.Core.ShapeUpgrade.ShapeUpgrade_FaceDivide

• Creates empty constructor.

  rtype

  None:param F:

  type F

  TopoDS_Face

  rtype

  None

static DownCast(t)

GetMaxArea(ShapeUpgrade_FaceDivideArea self) → Standard_Real

SetMaxArea(ShapeUpgrade_FaceDivideArea self, Standard_Real value)

property thisown

The membership flag

class ShapeUpgrade_FixSmallBezierCurves(*args)

Bases: OCC.Core.ShapeUpgrade.ShapeUpgrade_FixSmallCurves

Return type

None

static DownCast(t)

property thisown

The membership flag

class ShapeUpgrade_FixSmallCurves(*args)

Bases: OCC.Core.ShapeUpgrade.ShapeUpgrade_Tool

Return type

None

Approx()

Parameters

Curve3d –

type Curve3d

Geom_Curve

param Curve2d

type Curve2d

Geom2d_Curve

param Curve2dR

type Curve2dR

Geom2d_Curve

param First

type First

float

param Last

type Last

float

rtype

bool

static DownCast(t)

Init()

Parameters

theEdge –

type theEdge

TopoDS_Edge

param theFace

type theFace

TopoDS_Face

rtype

None

SetSplitCurve2dTool()

• Sets the tool for splitting pcurves.

  param splitCurve2dTool

  type splitCurve2dTool

  ShapeUpgrade_SplitCurve2d

  rtype

  None

SetSplitCurve3dTool()

• Sets the tool for splitting 3D curves.

  param splitCurve3dTool

  type splitCurve3dTool

  ShapeUpgrade_SplitCurve3d

  rtype

  None

Status()

• Queries the status of last call to Perform OKDONE1: DONE2: FAIL1:

  param status

  type status

  ShapeExtend_Status

  rtype

  bool

property thisown

The membership flag

class ShapeUpgrade_RemoveInternalWires(*args)

Bases: OCC.Core.ShapeUpgrade.ShapeUpgrade_Tool

• Creates empty constructor.

  rtype

  None:param theShape:

  type theShape

  TopoDS_Shape

  rtype

  None

static DownCast(t)

GetMinArea(ShapeUpgrade_RemoveInternalWires self) → Standard_Real

GetRemoveFaceMode(ShapeUpgrade_RemoveInternalWires self) → Standard_Boolean

GetResult()

• Get result shape

  rtype

  TopoDS_Shape

Init()

• Initialize by a Shape.

  param theShape

  type theShape

  TopoDS_Shape

  rtype

  None

Perform()

• Removes all internal wires having area less than area specified as minimal allowed area

  rtype

  bool* If specified sequence of shape contains - 1.wires then these wires will be removed if they have area less than allowed min area. 2.faces than internal wires from these faces will be removed if they have area less than allowed min area.

  param theSeqShapes

  type theSeqShapes

  TopTools_SequenceOfShape

  rtype

  bool

RemovedFaces()

• Returns sequence of removed faces.

  rtype

  TopTools_SequenceOfShape

RemovedWires()

• Returns sequence of removed faces.

  rtype

  TopTools_SequenceOfShape

SetMinArea(ShapeUpgrade_RemoveInternalWires self, Standard_Real value)

SetRemoveFaceMode(ShapeUpgrade_RemoveInternalWires self, Standard_Boolean value)

Status()

• Queries status of last call to Perform()OK - nothing was done :DONE1 - internal wires were removed :DONE2 - small faces were removed. :FAIL1 - initial shape is not specified :FAIL2 - specified sub-shape is not belonged to inotial shape.

  param theStatus

  type theStatus

  ShapeExtend_Status

  rtype

  bool

property thisown

The membership flag

class ShapeUpgrade_RemoveLocations(*args)

Bases: OCC.Core.Standard.Standard_Transient

• Empy constructor

  rtype

  None

static DownCast(t)

GetResult()

• Returns shape with removed locatins.

  rtype

  TopoDS_Shape

ModifiedShape()

• Returns modified shape obtained from initial shape.

  param theInitShape

  type theInitShape

  TopoDS_Shape

  rtype

  TopoDS_Shape

Remove()

• Removes all location correspodingly to RemoveLevel.

  param theShape

  type theShape

  TopoDS_Shape

  rtype

  bool

RemoveLevel()

• sets level starting with that location will be removed.Value of level can be set to TopAbs_SHAPE,TopAbs_COMPOUND,TopAbs_SOLID,TopAbs_SHELL,TopAbs_FACE.By default TopAbs_SHAPE. In this case location will be removed for all shape types for exception of compound.

  rtype

  TopAbs_ShapeEnum

SetRemoveLevel()

• sets level starting with that location will be removed, by default TopAbs_SHAPE. In this case locations will be kept for specified shape and if specified shape is TopAbs_COMPOUND for sub-shapes of first level.

  param theLevel

  type theLevel

  TopAbs_ShapeEnum

  rtype

  None

property thisown

The membership flag

class ShapeUpgrade_ShapeConvertToBezier(*args)

Bases: OCC.Core.ShapeUpgrade.ShapeUpgrade_ShapeDivide

• Empty constructor.

  rtype

  None* Initialize by a Shape.

  param S

  type S

  TopoDS_Shape

  rtype

  None

Get2dConversion()

• Returns the 2D conversion mode.

  rtype

  bool

Get3dCircleConversion()

• Returns the Geom_Circle conversion mode.

  rtype

  bool

Get3dConicConversion()

• Returns the Geom_Conic conversion mode.

  rtype

  bool

Get3dConversion()

• Returns the 3D conversion mode.

  rtype

  bool

Get3dLineConversion()

• Returns the Geom_Line conversion mode.

  rtype

  bool

GetBSplineMode()

• Returns the Geom_BSplineSurface conversion mode.

  rtype

  bool

GetExtrusionMode()

• Returns the Geom_SurfaceOfLinearExtrusion conversion mode.

  rtype

  bool

GetPlaneMode()

• Returns the Geom_Pline conversion mode.

  rtype

  bool

GetRevolutionMode()

• Returns the Geom_SurfaceOfRevolution conversion mode.

  rtype

  bool

GetSurfaceConversion()

• Returns the surface conversion mode.

  rtype

  bool

Set2dConversion()

• Sets mode for conversion 2D curves to bezier.

  param mode

  type mode

  bool

  rtype

  None

Set3dCircleConversion()

• Sets mode for conversion Geom_Circle to bezier.

  param mode

  type mode

  bool

  rtype

  None

Set3dConicConversion()

• Sets mode for conversion Geom_Conic to bezier.

  param mode

  type mode

  bool

  rtype

  None

Set3dConversion()

• Sets mode for conversion 3d curves to bezier.

  param mode

  type mode

  bool

  rtype

  None

Set3dLineConversion()

• Sets mode for conversion Geom_Line to bezier.

  param mode

  type mode

  bool

  rtype

  None

SetBSplineMode()

• Sets mode for conversion Geom_BSplineSurface to Bezier

  param mode

  type mode

  bool

  rtype

  None

SetExtrusionMode()

• Sets mode for conversion Geom_SurfaceOfLinearExtrusion to Bezier

  param mode

  type mode

  bool

  rtype

  None

SetPlaneMode()

• Sets mode for conversion Geom_Plane to Bezier

  param mode

  type mode

  bool

  rtype

  None

SetRevolutionMode()

• Sets mode for conversion Geom_SurfaceOfRevolution to Bezier

  param mode

  type mode

  bool

  rtype

  None

SetSurfaceConversion()

• Sets mode for conversion surfaces curves to bezier basis.

  param mode

  type mode

  bool

  rtype

  None

property thisown

The membership flag

class ShapeUpgrade_ShapeDivide(*args)

Bases: object

Return type

None* Initialize by a Shape. :param S: :type S: TopoDS_Shape :rtype: None

GetContext()

• Returns context with all the modifications made during last call(s) to Perform() recorded

  rtype

  opencascade::handle<ShapeBuild_ReShape>

Init()

• Initialize by a Shape.

  param S

  type S

  TopoDS_Shape

  rtype

  None

MsgRegistrator()

• Returns message registrator

  rtype

  opencascade::handle<ShapeExtend_BasicMsgRegistrator>

Perform()

• Performs splitting and computes the resulting shape If newContext is True (default), the internal context will be cleared at start, else previous substitutions will be acting.

  param newContext

  default value is Standard_True

  type newContext

  bool

  rtype

  bool

Result()

• Gives the resulting Shape, or Null shape if not done.

  rtype

  TopoDS_Shape

SendMsg()

• Sends a message to be attached to the shape. Calls corresponding message of message registrator.

  param shape

  type shape

  TopoDS_Shape

  param message

  type message

  Message_Msg

  param gravity

  default value is Message_Info

  type gravity

  Message_Gravity

  rtype

  None

SetContext()

• Sets context with recorded modifications to be applied during next call(s) to Perform(shape,Standard_False)

  param context

  type context

  ShapeBuild_ReShape

  rtype

  None

SetEdgeMode()

• Sets mode for splitting 3d curves from edges. 0 - only curve 3d from free edges. 1 - only curve 3d from shared edges. 2 - all curve 3d.

  param aEdgeMode

  type aEdgeMode

  int

  rtype

  None

SetMaxTolerance()

• Sets maximal allowed tolerance

  param maxtol

  type maxtol

  float

  rtype

  None

SetMinTolerance()

• Sets minimal allowed tolerance

  param mintol

  type mintol

  float

  rtype

  None

SetMsgRegistrator()

• Sets message registrator

  param msgreg

  type msgreg

  ShapeExtend_BasicMsgRegistrator

  rtype

  void

SetPrecision()

• Defines the spatial precision used for splitting

  param Prec

  type Prec

  float

  rtype

  None

SetSplitFaceTool()

• Sets the tool for splitting faces.

  param splitFaceTool

  type splitFaceTool

  ShapeUpgrade_FaceDivide

  rtype

  None

SetSurfaceSegmentMode()

• Purpose sets mode for trimming (segment) surface by wire UV bounds.

  param Segment

  type Segment

  bool

  rtype

  None

Status()

• Queries the status of last call to Perform OKno splitting was done (or no call to Perform) DONE1: some edges were splitted DONE2: surface was splitted FAIL1: some errors occured

  param status

  type status

  ShapeExtend_Status

  rtype

  bool

property thisown

The membership flag

class ShapeUpgrade_ShapeDivideAngle(*args)

Bases: OCC.Core.ShapeUpgrade.ShapeUpgrade_ShapeDivide

• Empty constructor.

  param MaxAngle

  type MaxAngle

  float

  rtype

  None* Initialize by a Shape.

  param MaxAngle

  type MaxAngle

  float

  param S

  type S

  TopoDS_Shape

  rtype

  None

InitTool()

• Resets tool for splitting face with given angle

  param MaxAngle

  type MaxAngle

  float

  rtype

  None

MaxAngle()

• Returns maximal angle

  rtype

  float

SetMaxAngle()

• Set maximal angle (calls InitTool)

  param MaxAngle

  type MaxAngle

  float

  rtype

  None

property thisown

The membership flag

class ShapeUpgrade_ShapeDivideArea(*args)

Bases: OCC.Core.ShapeUpgrade.ShapeUpgrade_ShapeDivide

Return type

None* Initialize by a Shape. :param S: :type S: TopoDS_Shape :rtype: None

GetMaxArea(ShapeUpgrade_ShapeDivideArea self) → Standard_Real

SetMaxArea(ShapeUpgrade_ShapeDivideArea self, Standard_Real value)

property thisown

The membership flag

class ShapeUpgrade_ShapeDivideClosed(*args)

Bases: OCC.Core.ShapeUpgrade.ShapeUpgrade_ShapeDivide

• Initialises tool with shape and default parameter.

  param S

  type S

  TopoDS_Shape

  rtype

  None

SetNbSplitPoints()

• Sets the number of cuts applied to divide closed faces. The number of resulting faces will be num+1.

  param num

  type num

  int

  rtype

  None

property thisown

The membership flag

class ShapeUpgrade_ShapeDivideClosedEdges(*args)

Bases: OCC.Core.ShapeUpgrade.ShapeUpgrade_ShapeDivide

• Initialises tool with shape and default parameter.

  param S

  type S

  TopoDS_Shape

  rtype

  None

SetNbSplitPoints()

• Sets the number of cuts applied to divide closed edges. The number of resulting faces will be num+1.

  param num

  type num

  int

  rtype

  None

property thisown

The membership flag

class ShapeUpgrade_ShapeDivideContinuity(*args)

Bases: OCC.Core.ShapeUpgrade.ShapeUpgrade_ShapeDivide

Return type

None* Initialize by a Shape. :param S: :type S: TopoDS_Shape :rtype: None

SetBoundaryCriterion()

• Defines a criterion of continuity for the boundary (all the Wires) //! The possible values are C0, G1, C1, G2, C2, C3, CN The default is C1 to respect the Cas.Cade Shape Validity. G1 and G2 are not authorized.

  param Criterion

  default value is GeomAbs_C1

  type Criterion

  GeomAbs_Shape

  rtype

  None

SetPCurveCriterion()

• Defines a criterion of continuity for the boundary (all the pcurves of Wires) //! The possible values are C0, G1, C1, G2, C2, C3, CN The default is C1 to respect the Cas.Cade Shape Validity. G1 and G2 are not authorized.

  param Criterion

  default value is GeomAbs_C1

  type Criterion

  GeomAbs_Shape

  rtype

  None

SetSurfaceCriterion()

• Defines a criterion of continuity for the boundary (all the Wires) //! The possible values are C0, G1, C1, G2, C2, C3, CN The default is C1 to respect the Cas.Cade Shape Validity. G1 and G2 are not authorized.

  param Criterion

  default value is GeomAbs_C1

  type Criterion

  GeomAbs_Shape

  rtype

  None

SetTolerance()

• Sets tolerance.

  param Tol

  type Tol

  float

  rtype

  None

SetTolerance2d()

• Sets tolerance.

  param Tol

  type Tol

  float

  rtype

  None

property thisown

The membership flag

class ShapeUpgrade_ShellSewing(*args)

Bases: object

• Creates a ShellSewing, empty

  rtype

  None

ApplySewing()

• Builds a new shape from a former one, by calling Sewing from BRepBuilderAPI. Rebuilt solids are oriented to be ‘not infinite’ //! If <tol> is not given (i.e. value 0. by default), it is computed as the mean tolerance recorded in <shape> //! If no shell has been sewed, this method returns the input shape

  param shape

  type shape

  TopoDS_Shape

  param tol

  default value is 0.0

  type tol

  float

  rtype

  TopoDS_Shape

property thisown

The membership flag

class ShapeUpgrade_SplitCurve(*args)

Bases: OCC.Core.Standard.Standard_Transient

• Empty constructor.

  rtype

  None

Build()

• If Segment is True, the result is composed with segments of the curve bounded by the SplitValues. If Segment is False, the result is composed with trimmed Curves all based on the same complete curve.

  param Segment

  type Segment

  bool

  rtype

  void

Compute()

• Calculates points for correction/splitting of the curve

  rtype

  void

static DownCast(t)

Init()

• Initializes with curve first and last parameters.

  param First

  type First

  float

  param Last

  type Last

  float

  rtype

  None

Perform()

• Performs correction/splitting of the curve. First defines splitting values by method Compute(), then calls method Build().

  param Segment

  default value is Standard_True

  type Segment

  bool

  rtype

  None

SetSplitValues()

• Sets the parameters where splitting has to be done.

  param SplitValues

  type SplitValues

  TColStd_HSequenceOfReal

  rtype

  None

SplitValues()

• returns all the splitting values including the First and Last parameters of the input curve Merges input split values and new ones into myGlobalKnots

  rtype

  opencascade::handle<TColStd_HSequenceOfReal>

Status()

• Returns the status OK - no splitting is needed DONE1 - splitting required and gives more than one segment DONE2 - splitting is required, but gives only one segment (initial) DONE3 - geometric form of the curve or parametrisation is modified

  param status

  type status

  ShapeExtend_Status

  rtype

  bool

property thisown

The membership flag

class ShapeUpgrade_SplitCurve2d(*args)

Bases: OCC.Core.ShapeUpgrade.ShapeUpgrade_SplitCurve

• Empty constructor.

  rtype

  None

static DownCast(t)

GetCurves()

Return type

opencascade::handle<TColGeom2d_HArray1OfCurve>

Init()

• Initializes with pcurve with its first and last parameters.

  param C

  type C

  Geom2d_Curve

  rtype

  None* Initializes with pcurve with its parameters.

  param C

  type C

  Geom2d_Curve

  param First

  type First

  float

  param Last

  type Last

  float

  rtype

  None

property thisown

The membership flag

class ShapeUpgrade_SplitCurve2dContinuity(*args)

Bases: OCC.Core.ShapeUpgrade.ShapeUpgrade_SplitCurve2d

• Empty constructor.

  rtype

  None

static DownCast(t)

SetCriterion()

• Sets criterion for splitting.

  param Criterion

  type Criterion

  GeomAbs_Shape

  rtype

  None

SetTolerance()

• Sets tolerance.

  param Tol

  type Tol

  float

  rtype

  None

property thisown

The membership flag

class ShapeUpgrade_SplitCurve3d(*args)

Bases: OCC.Core.ShapeUpgrade.ShapeUpgrade_SplitCurve

• Empty constructor.

  rtype

  None

static DownCast(t)

GetCurves()

Return type

opencascade::handle<TColGeom_HArray1OfCurve>

Init()

• Initializes with curve with its first and last parameters.

  param C

  type C

  Geom_Curve

  rtype

  None* Initializes with curve with its parameters.

  param C

  type C

  Geom_Curve

  param First

  type First

  float

  param Last

  type Last

  float

  rtype

  None

property thisown

The membership flag

class ShapeUpgrade_SplitCurve3dContinuity(*args)

Bases: OCC.Core.ShapeUpgrade.ShapeUpgrade_SplitCurve3d

• Empty constructor.

  rtype

  None

static DownCast(t)

GetCurve()

Return type

opencascade::handle<Geom_Curve>

SetCriterion()

• Sets criterion for splitting.

  param Criterion

  type Criterion

  GeomAbs_Shape

  rtype

  None

SetTolerance()

• Sets tolerance.

  param Tol

  type Tol

  float

  rtype

  None

property thisown

The membership flag

class ShapeUpgrade_SplitSurface(*args)

Bases: OCC.Core.Standard.Standard_Transient

• Empty constructor.

  rtype

  None

Build()

• Performs splitting of the supporting surface. If resulting surface is B-Spline and Segment is True, the result is composed with segments of the surface bounded by the U and V SplitValues (method Geom_BSplineSurface::Segment is used). If Segment is False, the result is composed with Geom_RectangularTrimmedSurface all based on the same complete surface. Fields myNbResultingRow and myNbResultingCol must be set to specify the size of resulting grid of surfaces.

  param Segment

  type Segment

  bool

  rtype

  void

Compute()

• Calculates points for correction/splitting of the surface.

  param Segment

  default value is Standard_True

  type Segment

  bool

  rtype

  void

static DownCast(t)

Init()

• Initializes with single supporting surface.

  param S

  type S

  Geom_Surface

  rtype

  None* Initializes with single supporting surface with bounding parameters.

  param S

  type S

  Geom_Surface

  param UFirst

  type UFirst

  float

  param ULast

  type ULast

  float

  param VFirst

  type VFirst

  float

  param VLast

  type VLast

  float

  rtype

  None

Perform()

• Performs correction/splitting of the surface. First defines splitting values by method Compute(), then calls method Build().

  param Segment

  default value is Standard_True

  type Segment

  bool

  rtype

  None

ResSurfaces()

• Returns obtained surfaces after splitting as CompositeSurface

  rtype

  opencascade::handle<ShapeExtend_CompositeSurface>

SetUSplitValues()

• Sets U parameters where splitting has to be done

  param UValues

  type UValues

  TColStd_HSequenceOfReal

  rtype

  None

SetVSplitValues()

• Sets V parameters where splitting has to be done

  param VValues

  type VValues

  TColStd_HSequenceOfReal

  rtype

  None

Status()

• Returns the status OK - no splitting is needed DONE1 - splitting required and gives more than one patch DONE2 - splitting is required, but gives only single patch (initial) DONE3 - geometric form of the surface or parametrisation is modified

  param status

  type status

  ShapeExtend_Status

  rtype

  bool

USplitValues()

• returns all the U splitting values including the First and Last parameters of the input surface

  rtype

  opencascade::handle<TColStd_HSequenceOfReal>

VSplitValues()

• returns all the splitting V values including the First and Last parameters of the input surface

  rtype

  opencascade::handle<TColStd_HSequenceOfReal>

property thisown

The membership flag

class ShapeUpgrade_SplitSurfaceAngle(*args)

Bases: OCC.Core.ShapeUpgrade.ShapeUpgrade_SplitSurface

• Empty constructor.

  param MaxAngle

  type MaxAngle

  float

  rtype

  None

static DownCast(t)

MaxAngle()

• Returns maximal angle

  rtype

  float

SetMaxAngle()

• Set maximal angle

  param MaxAngle

  type MaxAngle

  float

  rtype

  None

property thisown

The membership flag

class ShapeUpgrade_SplitSurfaceArea(*args)

Bases: OCC.Core.ShapeUpgrade.ShapeUpgrade_SplitSurface

• Empty constructor.

  rtype

  None

static DownCast(t)

GetNbParts(ShapeUpgrade_SplitSurfaceArea self) → Standard_Integer

SetNbParts(ShapeUpgrade_SplitSurfaceArea self, Standard_Integer value)

property thisown

The membership flag

class ShapeUpgrade_SplitSurfaceContinuity(*args)

Bases: OCC.Core.ShapeUpgrade.ShapeUpgrade_SplitSurface

• Empty constructor.

  rtype

  None

static DownCast(t)

SetCriterion()

• Sets criterion for splitting.

  param Criterion

  type Criterion

  GeomAbs_Shape

  rtype

  None

SetTolerance()

• Sets tolerance.

  param Tol

  type Tol

  float

  rtype

  None

property thisown

The membership flag

class ShapeUpgrade_Tool(*args)

Bases: OCC.Core.Standard.Standard_Transient

• Empty constructor

  rtype

  None

Context()

• Returns context

  rtype

  opencascade::handle<ShapeBuild_ReShape>

static DownCast(t)

LimitTolerance()

• Returns tolerance limited by [myMinTol,myMaxTol]

  param toler

  type toler

  float

  rtype

  float

MaxTolerance()

• Returns maximal allowed tolerance

  rtype

  float

MinTolerance()

• Returns minimal allowed tolerance

  rtype

  float

Precision()

• Returns basic precision value

  rtype

  float

Set()

• Copy all fields from another Root object

  param tool

  type tool

  ShapeUpgrade_Tool

  rtype

  None

SetContext()

• Sets context

  param context

  type context

  ShapeBuild_ReShape

  rtype

  None

SetMaxTolerance()

• Sets maximal allowed tolerance

  param maxtol

  type maxtol

  float

  rtype

  None

SetMinTolerance()

• Sets minimal allowed tolerance

  param mintol

  type mintol

  float

  rtype

  None

SetPrecision()

• Sets basic precision value

  param preci

  type preci

  float

  rtype

  None

property thisown

The membership flag

class ShapeUpgrade_UnifySameDomain(*args)

Bases: OCC.Core.Standard.Standard_Transient

• Empty constructor

  rtype

  None* Constructor defining input shape and necessary flags. It does not perform unification.

  param aShape

  type aShape

  TopoDS_Shape

  param UnifyEdges

  default value is Standard_True

  type UnifyEdges

  bool

  param UnifyFaces

  default value is Standard_True

  type UnifyFaces

  bool

  param ConcatBSplines

  default value is Standard_False

  type ConcatBSplines

  bool

  rtype

  None

AllowInternalEdges()

• Sets the flag defining whether it is allowed to create internal edges inside merged faces in the case of non-manifold topology. Without this flag merging through multi connected edge is forbidden. Default value is false.

  param theValue

  type theValue

  bool

  rtype

  None

Build()

• Performs unification and builds the resulting shape.

  rtype

  None

static DownCast(t)

History()

• Returns the history of the processed shapes.

  rtype

  opencascade::handle<BRepTools_History>

Initialize()

• Initializes with a shape and necessary flags. It does not perform unification. If you intend to nullify the History place holder do it after initialization.

  param aShape

  type aShape

  TopoDS_Shape

  param UnifyEdges

  default value is Standard_True

  type UnifyEdges

  bool

  param UnifyFaces

  default value is Standard_True

  type UnifyFaces

  bool

  param ConcatBSplines

  default value is Standard_False

  type ConcatBSplines

  bool

  rtype

  None

KeepShape()

• Sets the shape for avoid merging of the faces/edges. This shape can be vertex or edge. If the shape is a vertex it forbids merging of connected edges. If the shape is a edge it forbids merging of connected faces. This method can be called several times to keep several shapes.

  param theShape

  type theShape

  TopoDS_Shape

  rtype

  None

KeepShapes()

• Sets the map of shapes for avoid merging of the faces/edges. It allows passing a ready to use map instead of calling many times the method KeepShape.

  param theShapes

  type theShapes

  TopTools_MapOfShape

  rtype

  None

SetAngularTolerance()

• Sets the angular tolerance. If two shapes form a connection angle greater than this value they will not be merged. Default value is Precision::Angular().

  param theValue

  type theValue

  float

  rtype

  None

SetLinearTolerance()

• Sets the linear tolerance. It plays the role of chord error when taking decision about merging of shapes. Default value is Precision::Confusion().

  param theValue

  type theValue

  float

  rtype

  None

SetSafeInputMode()

• Sets the flag defining the behavior of the algorithm regarding modification of input shape. If this flag is equal to True then the input (original) shape can’t be modified during modification process. Default value is true.

  param theValue

  type theValue

  bool

  rtype

  None

Shape()

• Gives the resulting shape

  rtype

  TopoDS_Shape

property thisown

The membership flag

class ShapeUpgrade_WireDivide(*args)

Bases: OCC.Core.ShapeUpgrade.ShapeUpgrade_Tool

• Empty constructor

  rtype

  None

static DownCast(t)

GetEdgeDivideTool()

• returns tool for splitting edges

  rtype

  opencascade::handle<ShapeUpgrade_EdgeDivide>

GetFixSmallCurveTool()

• Returns tool for fixing small curves

  rtype

  opencascade::handle<ShapeUpgrade_FixSmallCurves>

GetTransferParamTool()

• Returns the tool for Transfer of parameters.

  rtype

  opencascade::handle<ShapeAnalysis_TransferParameters>

Init()

• Initializes by wire and face

  param W

  type W

  TopoDS_Wire

  param F

  type F

  TopoDS_Face

  rtype

  None* Initializes by wire and surface

  param W

  type W

  TopoDS_Wire

  param S

  type S

  Geom_Surface

  rtype

  None

Load()

• Loads working wire

  param W

  type W

  TopoDS_Wire

  rtype

  None* Creates wire of one edge and calls Load for wire

  param E

  type E

  TopoDS_Edge

  rtype

  None

Perform()

• Computes the resulting wire by splitting all the edges according to splitting criteria. All the modifications made are recorded in context (ShapeBuild_ReShape). This tool is applied to all edges before splitting them in order to keep sharings. If no supporting face or surface is defined, only 3d splitting criteria are used.

  rtype

  void

SetEdgeDivideTool()

• Sets tool for splitting edge

  param edgeDivideTool

  type edgeDivideTool

  ShapeUpgrade_EdgeDivide

  rtype

  None

SetEdgeMode()

• Sets mode for splitting 3d curves from edges. 0 - only curve 3d from free edges. 1 - only curve 3d from shared edges. 2 - all curve 3d.

  param EdgeMode

  type EdgeMode

  int

  rtype

  None

SetFace()

• Sets supporting surface by face

  param F

  type F

  TopoDS_Face

  rtype

  None

SetFixSmallCurveTool()

• Sets tool for fixing small curves with specified min tolerance;

  param FixSmallCurvesTool

  type FixSmallCurvesTool

  ShapeUpgrade_FixSmallCurves

  rtype

  None

SetSplitCurve2dTool()

• Sets the tool for splitting pcurves.

  param splitCurve2dTool

  type splitCurve2dTool

  ShapeUpgrade_SplitCurve2d

  rtype

  None

SetSplitCurve3dTool()

• Sets the tool for splitting 3D curves.

  param splitCurve3dTool

  type splitCurve3dTool

  ShapeUpgrade_SplitCurve3d

  rtype

  None

SetSurface()

• Sets supporting surface

  param S

  type S

  Geom_Surface

  rtype

  None* Sets supporting surface with location

  param S

  type S

  Geom_Surface

  param L

  type L

  TopLoc_Location

  rtype

  None

SetTransferParamTool()

• Sets the tool for Transfer parameters between curves and pcurves.

  param TransferParam

  type TransferParam

  ShapeAnalysis_TransferParameters

  rtype

  None

Status()

• Queries status of last call to Perform() OK - no edges were splitted, wire left untouched DONE1 - some edges were splitted FAIL1 - some edges have no 3d curve (skipped) FAIL2 - some edges have no pcurve (skipped)

  param status

  type status

  ShapeExtend_Status

  rtype

  bool

Wire()

• Gives the resulting Wire (equal to initial one if not done or Null if not loaded)

  rtype

  TopoDS_Wire

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 shapeupgrade

Bases: object

static C0BSplineToSequenceOfC1BSplineCurve()

• Unifies same domain faces and edges of specified shape

  param BS

  type BS

  Geom_BSplineCurve

  param seqBS

  type seqBS

  TColGeom_HSequenceOfBoundedCurve

  rtype

  bool* Converts C0 B-Spline curve into sequence of C1 B-Spline curves. This method splits B-Spline at the knots with multiplicities equal to degree, i.e. unlike method GeomConvert::C0BSplineToArrayOfC1BSplineCurve this one does not use any tolerance and therefore does not change the geometry of B-Spline. Returns True if C0 B-Spline was successfully splitted, else returns False (if BS is C1 B-Spline).

  param BS

  type BS

  Geom2d_BSplineCurve

  param seqBS

  type seqBS

  TColGeom2d_HSequenceOfBoundedCurve

  rtype

  bool

property thisown

The membership flag