OCC.ProjLib module¶

class Handle_ProjLib_HCompProjectedCurve(*args)¶

Bases: OCC.Adaptor2d.Handle_Adaptor2d_HCurve2d

static DownCast()¶

GetObject()¶

IsNull()¶

Nullify()¶

thisown¶: The membership flag

class Handle_ProjLib_HProjectedCurve(*args)¶

Bases: OCC.Adaptor2d.Handle_Adaptor2d_HCurve2d

static DownCast()¶

GetObject()¶

IsNull()¶

Nullify()¶

thisown¶: The membership flag

class Handle_ProjLib_HSequenceOfHSequenceOfPnt(*args)¶

Bases: OCC.MMgt.Handle_MMgt_TShared

static DownCast()¶

GetObject()¶

IsNull()¶

Nullify()¶

thisown¶: The membership flag

class Handle_ProjLib_SequenceNodeOfSequenceOfHSequenceOfPnt(*args)¶

Bases: OCC.TCollection.Handle_TCollection_SeqNode

static DownCast()¶

GetObject()¶

IsNull()¶

Nullify()¶

thisown¶: The membership flag

class ProjLib_CompProjectedCurve(*args)¶

Bases: OCC.Adaptor2d.Adaptor2d_Curve2d

Return type:	None

try to find all solutions

Parameters:	S (Handle_Adaptor3d_HSurface &) – C (Handle_Adaptor3d_HCurve &) – TolU (float) – TolV (float) –
Return type:	None

this constructor tries to optimize the search using the assamption that maximum distance between surface and curve less or equal then MaxDist. if MaxDist < 0 then algorithm works as above.

Parameters:	S (Handle_Adaptor3d_HSurface &) – C (Handle_Adaptor3d_HCurve &) – TolU (float) – TolV (float) – MaxDist (float) –
Return type:	None

Bounds()¶

returns the bounds of the continuous part corresponding to Index

Parameters:	Index (int) – Udeb (float &) – Ufin (float &) –
Return type:	None

GetCurve()¶

Return type:	Handle_Adaptor3d_HCurve

GetSequence()¶

Return type:	Handle_ProjLib_HSequenceOfHSequenceOfPnt

GetSurface()¶

Return type:	Handle_Adaptor3d_HSurface

GetTolerance()¶

Parameters:	TolU (float &) – TolV (float &) –
Return type:	None

Init()¶

computes a set of projected point and determine the continuous parts of the projected curves. The points corresponding to a projection on the bounds of the surface are included in this set of points.

Return type:	None

IsSinglePnt()¶

returns True if part of projection with number Index is a single point and writes its coordinats in P

Parameters:	Index (int) – P (gp_Pnt2d) –
Return type:	bool

IsUIso()¶

returns True if part of projection with number Index is an u-isoparametric curve of input surface

Parameters:	Index (int) – U (float &) –
Return type:	bool

IsVIso()¶

returns True if part of projection with number Index is an v-isoparametric curve of input surface

Parameters:	Index (int) – V (float &) –
Return type:	bool

Load()¶

Changes the surface.

Parameters:	S (Handle_Adaptor3d_HSurface &) –
Return type:	None

Changes the curve.

Parameters:	C (Handle_Adaptor3d_HCurve &) –
Return type:	None

MaxDistance()¶

returns the maximum distance between curve to project and surface

Parameters:	Index (int) –
Return type:	float

NbCurves()¶

returns the number of continuous part of the projected curve

Return type:	int

thisown¶: The membership flag

class ProjLib_ComputeApprox(*args)¶

Bases: object

<Tol> is the tolerance with which the approximation is performed.

Parameters:	C (Handle_Adaptor3d_HCurve &) – S (Handle_Adaptor3d_HSurface &) – Tol (float) –
Return type:	None

BSpline()¶

Return type:	Handle_Geom2d_BSplineCurve

Bezier()¶

Return type:	Handle_Geom2d_BezierCurve

Tolerance()¶

returns the reached Tolerance.

Return type:	float

thisown¶: The membership flag

class ProjLib_ComputeApproxOnPolarSurface(*args)¶

Bases: object

Return type:	None
Parameters:	C (Handle_Adaptor3d_HCurve &) – S (Handle_Adaptor3d_HSurface &) – Tol (float) – default value is 1.0e-4 InitCurve2d (Handle_Adaptor2d_HCurve2d &) – C – S – Tol – InitCurve2d – InitCurve2dBis (Handle_Adaptor2d_HCurve2d &) – C – S – Tol –
Return type:	None
Return type:	None
Return type:	None

BSpline()¶

Return type:	Handle_Geom2d_BSplineCurve

BuildInitialCurve2d()¶

Parameters:	Curve (Handle_Adaptor3d_HCurve &) – S (Handle_Adaptor3d_HSurface &) –
Return type:	Handle_Adaptor2d_HCurve2d

Curve2d()¶

Return type:	Handle_Geom2d_Curve

IsDone()¶

Return type:	bool

Perform()¶

Parameters:	InitCurve2d (Handle_Adaptor2d_HCurve2d &) – C (Handle_Adaptor3d_HCurve &) – S (Handle_Adaptor3d_HSurface &) –
Return type:	Handle_Geom2d_BSplineCurve

ProjectUsingInitialCurve2d()¶

Parameters:	Curve (Handle_Adaptor3d_HCurve &) – S (Handle_Adaptor3d_HSurface &) – InitCurve2d (Handle_Adaptor2d_HCurve2d &) –
Return type:	Handle_Geom2d_BSplineCurve

thisown¶: The membership flag

class ProjLib_Cone(*args)¶

Bases: OCC.ProjLib.ProjLib_Projector

Undefined projection.

Return type:	None

Projection on the cone <Co>.

Parameters:	Co (gp_Cone) –
Return type:	None

Projection of the line <L> on the cone <Co>.

Parameters:	Co (gp_Cone) – L (gp_Lin) –
Return type:	None

Projection of the circle <C> on the cone <Co>.

Parameters:	Co (gp_Cone) – C (gp_Circ) –
Return type:	None

Init()¶

Parameters:	Co (gp_Cone) –
Return type:	None

Project()¶

Parameters:	L (gp_Lin) – C (gp_Circ) – E (gp_Elips) – P (gp_Parab) – H (gp_Hypr) –
Return type:	void
Return type:	void
Return type:	void
Return type:	void
Return type:	void

thisown¶: The membership flag

class ProjLib_Cylinder(*args)¶

Bases: OCC.ProjLib.ProjLib_Projector

Undefined projection.

Return type:	None

Projection on the cylinder <Cyl>.

Parameters:	Cyl (gp_Cylinder) –
Return type:	None

Projection of the line <L> on the cylinder <Cyl>.

Parameters:	Cyl (gp_Cylinder) – L (gp_Lin) –
Return type:	None

Projection of the circle <C> on the cylinder <Cyl>.

Parameters:	Cyl (gp_Cylinder) – C (gp_Circ) –
Return type:	None

Projection of the ellipse <E> on the cylinder <Cyl>.

Parameters:	Cyl (gp_Cylinder) – E (gp_Elips) –
Return type:	None

Init()¶

Parameters:	Cyl (gp_Cylinder) –
Return type:	None

Project()¶

Parameters:	L (gp_Lin) – C (gp_Circ) – E (gp_Elips) – P (gp_Parab) – H (gp_Hypr) –
Return type:	void
Return type:	void
Return type:	void
Return type:	void
Return type:	void

thisown¶: The membership flag

class ProjLib_HCompProjectedCurve(*args)¶

Bases: OCC.Adaptor2d.Adaptor2d_HCurve2d

Return type:	None
Parameters:	C (ProjLib_CompProjectedCurve &) –
Return type:	None

ChangeCurve2d()¶

Return type:	ProjLib_CompProjectedCurve

GetHandle()¶

Set()¶

Parameters:	C (ProjLib_CompProjectedCurve &) –
Return type:	None

thisown¶: The membership flag

class ProjLib_HProjectedCurve(*args)¶

Bases: OCC.Adaptor2d.Adaptor2d_HCurve2d

Return type:	None
Parameters:	C (ProjLib_ProjectedCurve &) –
Return type:	None

ChangeCurve2d()¶

Return type:	ProjLib_ProjectedCurve

GetHandle()¶

Set()¶

Parameters:	C (ProjLib_ProjectedCurve &) –
Return type:	None

thisown¶: The membership flag

class ProjLib_HSequenceOfHSequenceOfPnt(*args)¶

Bases: OCC.MMgt.MMgt_TShared

Return type:	None

Append()¶

Parameters:	anItem (Handle_TColgp_HSequenceOfPnt) – aSequence (Handle_ProjLib_HSequenceOfHSequenceOfPnt &) –
Return type:	None
Return type:	None

ChangeSequence()¶

Return type:	ProjLib_SequenceOfHSequenceOfPnt

ChangeValue()¶

Parameters:	anIndex (int) –
Return type:	Handle_TColgp_HSequenceOfPnt

Clear()¶

Return type:	None

Exchange()¶

Parameters:	anIndex (int) – anOtherIndex (int) –
Return type:	None

GetHandle()¶

InsertAfter()¶

Parameters:	anIndex (int) – anItem (Handle_TColgp_HSequenceOfPnt) – anIndex – aSequence (Handle_ProjLib_HSequenceOfHSequenceOfPnt &) –
Return type:	None
Return type:	None

InsertBefore()¶

Parameters:	anIndex (int) – anItem (Handle_TColgp_HSequenceOfPnt) – anIndex – aSequence (Handle_ProjLib_HSequenceOfHSequenceOfPnt &) –
Return type:	None
Return type:	None

IsEmpty()¶

Return type:	bool

Length()¶

Return type:	int

Prepend()¶

Parameters:	anItem (Handle_TColgp_HSequenceOfPnt) – aSequence (Handle_ProjLib_HSequenceOfHSequenceOfPnt &) –
Return type:	None
Return type:	None

Remove()¶

Parameters:	anIndex (int) – fromIndex (int) – toIndex (int) –
Return type:	None
Return type:	None

Reverse()¶

Return type:	None

Sequence()¶

Return type:	ProjLib_SequenceOfHSequenceOfPnt

SetValue()¶

Parameters:	anIndex (int) – anItem (Handle_TColgp_HSequenceOfPnt) –
Return type:	None

Split()¶

Parameters:	anIndex (int) –
Return type:	Handle_ProjLib_HSequenceOfHSequenceOfPnt

Value()¶

Parameters:	anIndex (int) –
Return type:	Handle_TColgp_HSequenceOfPnt

thisown¶: The membership flag

class ProjLib_Plane(*args)¶

Bases: OCC.ProjLib.ProjLib_Projector

Undefined projection.

Return type:	None

Projection on the plane <Pl>.

Parameters:	Pl (gp_Pln) –
Return type:	None

Projection of the line <L> on the plane <Pl>.

Parameters:	Pl (gp_Pln) – L (gp_Lin) –
Return type:	None

Projection of the circle <C> on the plane <Pl>.

Parameters:	Pl (gp_Pln) – C (gp_Circ) –
Return type:	None

Projection of the ellipse <E> on the plane <Pl>.

Parameters:	Pl (gp_Pln) – E (gp_Elips) –
Return type:	None

Projection of the parabola <P> on the plane <Pl>.

Parameters:	Pl (gp_Pln) – P (gp_Parab) –
Return type:	None

Projection of the hyperbola <H> on the plane <Pl>.

Parameters:	Pl (gp_Pln) – H (gp_Hypr) –
Return type:	None

Init()¶

Parameters:	Pl (gp_Pln) –
Return type:	None

Project()¶

Parameters:	L (gp_Lin) – C (gp_Circ) – E (gp_Elips) – P (gp_Parab) – H (gp_Hypr) –
Return type:	void
Return type:	void
Return type:	void
Return type:	void
Return type:	void

thisown¶: The membership flag

class ProjLib_PrjFunc(*args)¶

Bases: OCC.math.math_FunctionSetWithDerivatives

Parameters:	C (Adaptor3d_CurvePtr &) – FixVal (float) – S (Adaptor3d_SurfacePtr &) – Fix (int) –
Return type:	None

Solution()¶

returns point on surface

Return type:	gp_Pnt2d

thisown¶: The membership flag

class ProjLib_PrjResolve(*args)¶

Bases: object

Parameters:	C (Adaptor3d_Curve &) – S (Adaptor3d_Surface &) – Fix (int) –
Return type:	None

IsDone()¶

Returns True if the distance is found.

Return type:	bool

Perform()¶

Calculates the ort from C(t) to S with a close point. The close point is defined by the parameter values U0 and V0. The function F(u,v)=distance(S(u,v),C(t)) has an extremum when gradient(F)=0. The algorithm searchs a zero near the close point.

Parameters:	t (float) – U (float) – V (float) – Tol (gp_Pnt2d) – Inf (gp_Pnt2d) – Sup (gp_Pnt2d) – FTol (float) – default value is -1 StrictInside (bool) – default value is Standard_False
Return type:	None

Solution()¶

Returns the point of the extremum distance.

Return type:	gp_Pnt2d

thisown¶: The membership flag

class ProjLib_ProjectOnPlane(*args)¶

Bases: OCC.Adaptor3d.Adaptor3d_Curve

Empty constructor.

Return type:	None

The projection will be normal to the Plane defined by the Ax3 <Pl>.

Parameters:	Pl (gp_Ax3) –
Return type:	None

The projection will be along the direction <D> on the plane defined by the Ax3 <Pl>. raises if the direction <D> is parallel to the plane <Pl>.

Parameters:	Pl (gp_Ax3) – D (gp_Dir) –
Return type:	None

GetCurve()¶

Return type:	Handle_Adaptor3d_HCurve

GetDirection()¶

Return type:	gp_Dir

GetPlane()¶

Return type:	gp_Ax3

Load()¶

Sets the Curve and perform the projection. if <KeepParametrization> is true, the parametrization of the Projected Curve <PC> will be the same as the parametrization of the initial curve <C>. It meens: proj(C(u)) = PC(u) for each u. Otherwize, the parametrization may change.

Parameters:	C (Handle_Adaptor3d_HCurve &) – Tolerance (float) – KeepParametrization (bool) – default value is Standard_True
Return type:	None

thisown¶: The membership flag

class ProjLib_ProjectOnSurface(*args)¶

Bases: object

Create an empty projector.

Return type:	None

Create a projector normaly to the surface <S>.

Parameters:	S (Handle_Adaptor3d_HSurface &) –
Return type:	None

BSpline()¶

Return type:	Handle_Geom_BSplineCurve

Delete()¶

Return type:	void

IsDone()¶

Return type:	bool

thisown¶: The membership flag

class ProjLib_ProjectedCurve(*args)¶

Bases: OCC.Adaptor2d.Adaptor2d_Curve2d

Return type:	None
Parameters:	S (Handle_Adaptor3d_HSurface &) – S – C (Handle_Adaptor3d_HCurve &) – S – C – Tol (float) –
Return type:	None
Return type:	None
Return type:	None

GetCurve()¶

Return type:	Handle_Adaptor3d_HCurve

GetSurface()¶

Return type:	Handle_Adaptor3d_HSurface

GetTolerance()¶

returns the tolerance reached if an approximation is Done.

Return type:	float

thisown¶: The membership flag

class ProjLib_Projector(*args)¶

Bases: object

Sets the type to OtherCurve

Return type:	None

BSpline()¶

Return type:	Handle_Geom2d_BSplineCurve

Bezier()¶

Return type:	Handle_Geom2d_BezierCurve

Circle()¶

Return type:	gp_Circ2d

Delete()¶

Return type:	void

Done()¶

Set isDone = Standard_True;

Return type:	None

Ellipse()¶

Return type:	gp_Elips2d

GetType()¶

Return type:	GeomAbs_CurveType

Hyperbola()¶

Return type:	gp_Hypr2d

IsDone()¶

Return type:	bool

IsPeriodic()¶

Return type:	bool

Line()¶

Return type:	gp_Lin2d

Parabola()¶

Return type:	gp_Parab2d

Project()¶

Parameters:	L (gp_Lin) – C (gp_Circ) – E (gp_Elips) – P (gp_Parab) – H (gp_Hypr) –
Return type:	void
Return type:	void
Return type:	void
Return type:	void
Return type:	void

SetBSpline()¶

Parameters:	C (Handle_Geom2d_BSplineCurve &) –
Return type:	None

SetBezier()¶

Parameters:	C (Handle_Geom2d_BezierCurve &) –
Return type:	None

SetPeriodic()¶

Return type:	None

SetType()¶

Parameters:	Type (GeomAbs_CurveType) –
Return type:	None

UFrame()¶

Translates the 2d curve to set the part of the curve [CFirst, CLast] in the range [ UFirst, UFirst + Period [

Parameters:	CFirst (float) – CLast (float) – UFirst (float) – Period (float) –
Return type:	None

VFrame()¶

Translates the 2d curve to set the part of the curve [CFirst, CLast] in the range [ VFirst, VFirst + Period [

Parameters:	CFirst (float) – CLast (float) – VFirst (float) – Period (float) –
Return type:	None

thisown¶: The membership flag

class ProjLib_SequenceNodeOfSequenceOfHSequenceOfPnt(*args)¶

Bases: OCC.TCollection.TCollection_SeqNode

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

GetHandle()¶

Value()¶

Return type:	Handle_TColgp_HSequenceOfPnt

thisown¶: The membership flag

class ProjLib_SequenceOfHSequenceOfPnt(*args)¶

Bases: OCC.TCollection.TCollection_BaseSequence

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

Append()¶

Parameters:	T (Handle_TColgp_HSequenceOfPnt) – S (ProjLib_SequenceOfHSequenceOfPnt &) –
Return type:	None
Return type:	None

Assign()¶

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

ChangeValue()¶

Parameters:	Index (int) –
Return type:	Handle_TColgp_HSequenceOfPnt

Clear()¶

Return type:	None

First()¶

Return type:	Handle_TColgp_HSequenceOfPnt

InsertAfter()¶

Parameters:	Index (int) – T (Handle_TColgp_HSequenceOfPnt) – Index – S (ProjLib_SequenceOfHSequenceOfPnt &) –
Return type:	None
Return type:	None

InsertBefore()¶

Parameters:	Index (int) – T (Handle_TColgp_HSequenceOfPnt) – Index – S (ProjLib_SequenceOfHSequenceOfPnt &) –
Return type:	None
Return type:	None

Last()¶

Return type:	Handle_TColgp_HSequenceOfPnt

Prepend()¶

Parameters:	T (Handle_TColgp_HSequenceOfPnt) – S (ProjLib_SequenceOfHSequenceOfPnt &) –
Return type:	None
Return type:	None

Remove()¶

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

Set()¶

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

SetValue()¶

Parameters:	Index (int) – I (Handle_TColgp_HSequenceOfPnt) –
Return type:	None

Split()¶

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

Value()¶

Parameters:	Index (int) –
Return type:	Handle_TColgp_HSequenceOfPnt

thisown¶: The membership flag

class ProjLib_Sphere(*args)¶

Bases: OCC.ProjLib.ProjLib_Projector

Undefined projection.

Return type:	None

Projection on the sphere <Sp>.

Parameters:	Sp (gp_Sphere) –
Return type:	None

Projection of the circle <C> on the sphere <Sp>.

Parameters:	Sp (gp_Sphere) – C (gp_Circ) –
Return type:	None

Init()¶

Parameters:	Sp (gp_Sphere) –
Return type:	None

Project()¶

Parameters:	L (gp_Lin) – C (gp_Circ) – E (gp_Elips) – P (gp_Parab) – H (gp_Hypr) –
Return type:	void
Return type:	void
Return type:	void
Return type:	void
Return type:	void

SetInBounds()¶

Set the point of parameter U on C in the natural restrictions of the sphere.

Parameters:	U (float) –
Return type:	None

thisown¶: The membership flag

class ProjLib_Torus(*args)¶

Bases: OCC.ProjLib.ProjLib_Projector

Undefined projection.

Return type:	None

Projection on the torus <To>.

Parameters:	To (gp_Torus) –
Return type:	None

Projection of the circle <C> on the torus <To>.

Parameters:	To (gp_Torus) – C (gp_Circ) –
Return type:	None

Init()¶

Parameters:	To (gp_Torus) –
Return type:	None

Project()¶

Parameters:	L (gp_Lin) – C (gp_Circ) – E (gp_Elips) – P (gp_Parab) – H (gp_Hypr) –
Return type:	void
Return type:	void
Return type:	void
Return type:	void
Return type:	void

thisown¶: The membership flag

class SwigPyIterator(*args, **kwargs)¶

Bases: object

advance()¶

copy()¶

decr()¶

distance()¶

equal()¶

incr()¶

next()¶

previous()¶

thisown¶: The membership flag

value()¶

class projlib¶

Bases: object

static Project(*args)¶

Parameters:	Pl (gp_Pln) – P (gp_Pnt) – Pl – L (gp_Lin) – Pl – C (gp_Circ) – Pl – E (gp_Elips) – Pl – P – Pl – H (gp_Hypr) – Cy (gp_Cylinder) – P – Cy – L – Cy – Ci (gp_Circ) – Co (gp_Cone) – P – Co – L – Co – Ci – Sp (gp_Sphere) – P – Sp – Ci – To (gp_Torus) – P – To – Ci –
Return type:	gp_Pnt2d
Return type:	gp_Lin2d
Return type:	gp_Circ2d
Return type:	gp_Elips2d
Return type:	gp_Parab2d
Return type:	gp_Hypr2d
Return type:	gp_Pnt2d
Return type:	gp_Lin2d
Return type:	gp_Lin2d
Return type:	gp_Pnt2d
Return type:	gp_Lin2d
Return type:	gp_Lin2d
Return type:	gp_Pnt2d
Return type:	gp_Lin2d
Return type:	gp_Pnt2d
Return type:	gp_Lin2d

thisown¶: The membership flag

projlib_Project(*args)¶

Parameters:	Pl (gp_Pln) – P (gp_Pnt) – Pl – L (gp_Lin) – Pl – C (gp_Circ) – Pl – E (gp_Elips) – Pl – P – Pl – H (gp_Hypr) – Cy (gp_Cylinder) – P – Cy – L – Cy – Ci (gp_Circ) – Co (gp_Cone) – P – Co – L – Co – Ci – Sp (gp_Sphere) – P – Sp – Ci – To (gp_Torus) – P – To – Ci –
Return type:	gp_Pnt2d
Return type:	gp_Lin2d
Return type:	gp_Circ2d
Return type:	gp_Elips2d
Return type:	gp_Parab2d
Return type:	gp_Hypr2d
Return type:	gp_Pnt2d
Return type:	gp_Lin2d
Return type:	gp_Lin2d
Return type:	gp_Pnt2d
Return type:	gp_Lin2d
Return type:	gp_Lin2d
Return type:	gp_Pnt2d
Return type:	gp_Lin2d
Return type:	gp_Pnt2d
Return type:	gp_Lin2d

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