Open CASCADE Technology  7.7.0
Public Member Functions
ProjLib_CompProjectedCurve Class Reference

#include <ProjLib_CompProjectedCurve.hxx>

Inheritance diagram for ProjLib_CompProjectedCurve:
Inheritance graph
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Public Member Functions

 ProjLib_CompProjectedCurve ()
 
 ProjLib_CompProjectedCurve (const Handle< Adaptor3d_Surface > &S, const Handle< Adaptor3d_Curve > &C, const Standard_Real TolU, const Standard_Real TolV)
 try to find all solutions More...
 
 ProjLib_CompProjectedCurve (const Handle< Adaptor3d_Surface > &S, const Handle< Adaptor3d_Curve > &C, const Standard_Real TolU, const Standard_Real TolV, const Standard_Real MaxDist)
 this constructor tries to optimize the search using the assumption that maximum distance between surface and curve less or equal then MaxDist. if MaxDist < 0 then algorithm works as above. More...
 
 ProjLib_CompProjectedCurve (const Standard_Real Tol3d, const Handle< Adaptor3d_Surface > &S, const Handle< Adaptor3d_Curve > &C, const Standard_Real MaxDist=-1.0)
 this constructor tries to optimize the search using the assumption that maximum distance between surface and curve less or equal then MaxDist. if MaxDist < 0 then algorithm try to find all solutions Tolerances of parameters are calculated automatically. More...
 
virtual Handle< Adaptor2d_Curve2dShallowCopy () const override
 Shallow copy of adaptor. More...
 
void 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. More...
 
void Perform ()
 Performs projecting for given curve. If projecting uses approximation, approximation parameters can be set before by corresponding methods SetTol3d(...), SeContinuity(...), SetMaxDegree(...), SetMaxSeg(...) More...
 
void SetTol3d (const Standard_Real theTol3d)
 Set the parameter, which defines 3d tolerance of approximation. More...
 
void SetContinuity (const GeomAbs_Shape theContinuity)
 Set the parameter, which defines curve continuity. Default value is GeomAbs_C2;. More...
 
void SetMaxDegree (const Standard_Integer theMaxDegree)
 Set max possible degree of result BSpline curve2d, which is got by approximation. If MaxDegree < 0, algorithm uses values that are chosen depending of types curve 3d and surface. More...
 
void SetMaxSeg (const Standard_Integer theMaxSeg)
 Set the parameter, which defines maximal value of parametric intervals the projected curve can be cut for approximation. If MaxSeg < 0, algorithm uses default value = 16. More...
 
void SetProj2d (const Standard_Boolean theProj2d)
 Set the parameter, which defines necessity of 2d results. More...
 
void SetProj3d (const Standard_Boolean theProj3d)
 Set the parameter, which defines necessity of 3d results. More...
 
void Load (const Handle< Adaptor3d_Surface > &S)
 Changes the surface. More...
 
void Load (const Handle< Adaptor3d_Curve > &C)
 Changes the curve. More...
 
const Handle< Adaptor3d_Surface > & GetSurface () const
 
const Handle< Adaptor3d_Curve > & GetCurve () const
 
void GetTolerance (Standard_Real &TolU, Standard_Real &TolV) const
 
Standard_Integer NbCurves () const
 returns the number of continuous part of the projected curve More...
 
void Bounds (const Standard_Integer Index, Standard_Real &Udeb, Standard_Real &Ufin) const
 returns the bounds of the continuous part corresponding to Index More...
 
Standard_Boolean IsSinglePnt (const Standard_Integer Index, gp_Pnt2d &P) const
 returns True if part of projection with number Index is a single point and writes its coordinates in P More...
 
Standard_Boolean IsUIso (const Standard_Integer Index, Standard_Real &U) const
 returns True if part of projection with number Index is an u-isoparametric curve of input surface More...
 
Standard_Boolean IsVIso (const Standard_Integer Index, Standard_Real &V) const
 returns True if part of projection with number Index is an v-isoparametric curve of input surface More...
 
gp_Pnt2d Value (const Standard_Real U) const override
 Computes the point of parameter U on the curve. More...
 
void D0 (const Standard_Real U, gp_Pnt2d &P) const override
 Computes the point of parameter U on the curve. More...
 
void D1 (const Standard_Real U, gp_Pnt2d &P, gp_Vec2d &V) const override
 Computes the point of parameter U on the curve with its first derivative. Raised if the continuity of the current interval is not C1. More...
 
void D2 (const Standard_Real U, gp_Pnt2d &P, gp_Vec2d &V1, gp_Vec2d &V2) const override
 Returns the point P of parameter U, the first and second derivatives V1 and V2. Raised if the continuity of the current interval is not C2. More...
 
gp_Vec2d DN (const Standard_Real U, const Standard_Integer N) const override
 The returned vector gives the value of the derivative for the order of derivation N. Raised if N < 1. Raised if N > 2. More...
 
Standard_Real FirstParameter () const override
 Returns the first parameter of the curve C which has a projection on S. More...
 
Standard_Real LastParameter () const override
 Returns the last parameter of the curve C which has a projection on S. More...
 
GeomAbs_Shape Continuity () const override
 Returns the Continuity used in the approximation. More...
 
Standard_Integer NbIntervals (const GeomAbs_Shape S) const override
 Returns the number of intervals which define an S continuous part of the projected curve. More...
 
Handle< Adaptor2d_Curve2dTrim (const Standard_Real FirstParam, const Standard_Real LastParam, const Standard_Real Tol) const override
 Returns a curve equivalent of <me> between parameters <First> and <Last>. <Tol> is used to test for 2d points confusion. If <First> >= <Last> More...
 
void Intervals (TColStd_Array1OfReal &T, const GeomAbs_Shape S) const override
 Returns the parameters corresponding to S discontinuities. More...
 
Standard_Real MaxDistance (const Standard_Integer Index) const
 returns the maximum distance between curve to project and surface More...
 
const Handle< ProjLib_HSequenceOfHSequenceOfPnt > & GetSequence () const
 
GeomAbs_CurveType GetType () const override
 Returns the type of the curve in the current interval : Line, Circle, Ellipse, Hyperbola, Parabola, BezierCurve, BSplineCurve, OtherCurve. More...
 
Standard_Boolean ResultIsPoint (const Standard_Integer theIndex) const
 Returns true if result of projecting of the curve interval with number Index is point. More...
 
Standard_Real GetResult2dUApproxError (const Standard_Integer theIndex) const
 Returns the error of approximation of U parameter 2d-curve as a result projecting of the curve interval with number Index. More...
 
Standard_Real GetResult2dVApproxError (const Standard_Integer theIndex) const
 Returns the error of approximation of V parameter 2d-curve as a result projecting of the curve interval with number Index. More...
 
Standard_Real GetResult3dApproxError (const Standard_Integer theIndex) const
 Returns the error of approximation of 3d-curve as a result projecting of the curve interval with number Index. More...
 
Handle< Geom2d_CurveGetResult2dC (const Standard_Integer theIndex) const
 Returns the resulting 2d-curve of projecting of the curve interval with number Index. More...
 
Handle< Geom_CurveGetResult3dC (const Standard_Integer theIndex) const
 Returns the resulting 3d-curve of projecting of the curve interval with number Index. More...
 
gp_Pnt2d GetResult2dP (const Standard_Integer theIndex) const
 Returns the resulting 2d-point of projecting of the curve interval with number Index. More...
 
gp_Pnt GetResult3dP (const Standard_Integer theIndex) const
 Returns the resulting 3d-point of projecting of the curve interval with number Index. More...
 
Standard_Boolean GetProj2d () const
 Returns the parameter, which defines necessity of only 2d results. More...
 
Standard_Boolean GetProj3d () const
 Returns the parameter, which defines necessity of only 3d results. More...
 
- Public Member Functions inherited from Adaptor2d_Curve2d
virtual Standard_Boolean IsClosed () const
 
virtual Standard_Boolean IsPeriodic () const
 
virtual Standard_Real Period () const
 
virtual void D3 (const Standard_Real U, gp_Pnt2d &P, gp_Vec2d &V1, gp_Vec2d &V2, gp_Vec2d &V3) const
 Returns the point P of parameter U, the first, the second and the third derivative. Raised if the continuity of the current interval is not C3. More...
 
virtual Standard_Real Resolution (const Standard_Real R3d) const
 Returns the parametric resolution corresponding to the real space resolution <R3d>. More...
 
virtual gp_Lin2d Line () const
 
virtual gp_Circ2d Circle () const
 
virtual gp_Elips2d Ellipse () const
 
virtual gp_Hypr2d Hyperbola () const
 
virtual gp_Parab2d Parabola () const
 
virtual Standard_Integer Degree () const
 
virtual Standard_Boolean IsRational () const
 
virtual Standard_Integer NbPoles () const
 
virtual Standard_Integer NbKnots () const
 
virtual Standard_Integer NbSamples () const
 
virtual Handle< Geom2d_BezierCurveBezier () const
 
virtual Handle< Geom2d_BSplineCurveBSpline () const
 
virtual ~Adaptor2d_Curve2d ()
 
- Public Member Functions inherited from Standard_Transient
 Standard_Transient ()
 Empty constructor. More...
 
 Standard_Transient (const Standard_Transient &)
 Copy constructor – does nothing. More...
 
Standard_Transientoperator= (const Standard_Transient &)
 Assignment operator, needed to avoid copying reference counter. More...
 
virtual ~Standard_Transient ()
 Destructor must be virtual. More...
 
virtual void Delete () const
 Memory deallocator for transient classes. More...
 
virtual const opencascade::handle< Standard_Type > & DynamicType () const
 Returns a type descriptor about this object. More...
 
Standard_Boolean IsInstance (const opencascade::handle< Standard_Type > &theType) const
 Returns a true value if this is an instance of Type. More...
 
Standard_Boolean IsInstance (const Standard_CString theTypeName) const
 Returns a true value if this is an instance of TypeName. More...
 
Standard_Boolean IsKind (const opencascade::handle< Standard_Type > &theType) const
 Returns true if this is an instance of Type or an instance of any class that inherits from Type. Note that multiple inheritance is not supported by OCCT RTTI mechanism. More...
 
Standard_Boolean IsKind (const Standard_CString theTypeName) const
 Returns true if this is an instance of TypeName or an instance of any class that inherits from TypeName. Note that multiple inheritance is not supported by OCCT RTTI mechanism. More...
 
Standard_TransientThis () const
 Returns non-const pointer to this object (like const_cast). For protection against creating handle to objects allocated in stack or call from constructor, it will raise exception Standard_ProgramError if reference counter is zero. More...
 
Standard_Integer GetRefCount () const
 Get the reference counter of this object. More...
 
void IncrementRefCounter () const
 Increments the reference counter of this object. More...
 
Standard_Integer DecrementRefCounter () const
 Decrements the reference counter of this object; returns the decremented value. More...
 

Additional Inherited Members

- Public Types inherited from Standard_Transient
typedef void base_type
 Returns a type descriptor about this object. More...
 
- Static Public Member Functions inherited from Standard_Transient
static const char * get_type_name ()
 Returns a type descriptor about this object. More...
 
static const opencascade::handle< Standard_Type > & get_type_descriptor ()
 Returns type descriptor of Standard_Transient class. More...
 

Constructor & Destructor Documentation

◆ ProjLib_CompProjectedCurve() [1/4]

ProjLib_CompProjectedCurve::ProjLib_CompProjectedCurve ( )

◆ ProjLib_CompProjectedCurve() [2/4]

ProjLib_CompProjectedCurve::ProjLib_CompProjectedCurve ( const Handle< Adaptor3d_Surface > &  S,
const Handle< Adaptor3d_Curve > &  C,
const Standard_Real  TolU,
const Standard_Real  TolV 
)

try to find all solutions

◆ ProjLib_CompProjectedCurve() [3/4]

ProjLib_CompProjectedCurve::ProjLib_CompProjectedCurve ( const Handle< Adaptor3d_Surface > &  S,
const Handle< Adaptor3d_Curve > &  C,
const Standard_Real  TolU,
const Standard_Real  TolV,
const Standard_Real  MaxDist 
)

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

◆ ProjLib_CompProjectedCurve() [4/4]

ProjLib_CompProjectedCurve::ProjLib_CompProjectedCurve ( const Standard_Real  Tol3d,
const Handle< Adaptor3d_Surface > &  S,
const Handle< Adaptor3d_Curve > &  C,
const Standard_Real  MaxDist = -1.0 
)

this constructor tries to optimize the search using the assumption that maximum distance between surface and curve less or equal then MaxDist. if MaxDist < 0 then algorithm try to find all solutions Tolerances of parameters are calculated automatically.

Member Function Documentation

◆ Bounds()

void ProjLib_CompProjectedCurve::Bounds ( const Standard_Integer  Index,
Standard_Real Udeb,
Standard_Real Ufin 
) const

returns the bounds of the continuous part corresponding to Index

◆ Continuity()

GeomAbs_Shape ProjLib_CompProjectedCurve::Continuity ( ) const
overridevirtual

Returns the Continuity used in the approximation.

Reimplemented from Adaptor2d_Curve2d.

◆ D0()

void ProjLib_CompProjectedCurve::D0 ( const Standard_Real  U,
gp_Pnt2d P 
) const
overridevirtual

Computes the point of parameter U on the curve.

Reimplemented from Adaptor2d_Curve2d.

◆ D1()

void ProjLib_CompProjectedCurve::D1 ( const Standard_Real  U,
gp_Pnt2d P,
gp_Vec2d V 
) const
overridevirtual

Computes the point of parameter U on the curve with its first derivative. Raised if the continuity of the current interval is not C1.

Reimplemented from Adaptor2d_Curve2d.

◆ D2()

void ProjLib_CompProjectedCurve::D2 ( const Standard_Real  U,
gp_Pnt2d P,
gp_Vec2d V1,
gp_Vec2d V2 
) const
overridevirtual

Returns the point P of parameter U, the first and second derivatives V1 and V2. Raised if the continuity of the current interval is not C2.

Reimplemented from Adaptor2d_Curve2d.

◆ DN()

gp_Vec2d ProjLib_CompProjectedCurve::DN ( const Standard_Real  U,
const Standard_Integer  N 
) const
overridevirtual

The returned vector gives the value of the derivative for the order of derivation N. Raised if N < 1. Raised if N > 2.

Reimplemented from Adaptor2d_Curve2d.

◆ FirstParameter()

Standard_Real ProjLib_CompProjectedCurve::FirstParameter ( ) const
overridevirtual

Returns the first parameter of the curve C which has a projection on S.

Reimplemented from Adaptor2d_Curve2d.

◆ GetCurve()

const Handle< Adaptor3d_Curve >& ProjLib_CompProjectedCurve::GetCurve ( ) const

◆ GetProj2d()

Standard_Boolean ProjLib_CompProjectedCurve::GetProj2d ( ) const
inline

Returns the parameter, which defines necessity of only 2d results.

◆ GetProj3d()

Standard_Boolean ProjLib_CompProjectedCurve::GetProj3d ( ) const
inline

Returns the parameter, which defines necessity of only 3d results.

◆ GetResult2dC()

Handle< Geom2d_Curve > ProjLib_CompProjectedCurve::GetResult2dC ( const Standard_Integer  theIndex) const

Returns the resulting 2d-curve of projecting of the curve interval with number Index.

◆ GetResult2dP()

gp_Pnt2d ProjLib_CompProjectedCurve::GetResult2dP ( const Standard_Integer  theIndex) const

Returns the resulting 2d-point of projecting of the curve interval with number Index.

◆ GetResult2dUApproxError()

Standard_Real ProjLib_CompProjectedCurve::GetResult2dUApproxError ( const Standard_Integer  theIndex) const

Returns the error of approximation of U parameter 2d-curve as a result projecting of the curve interval with number Index.

◆ GetResult2dVApproxError()

Standard_Real ProjLib_CompProjectedCurve::GetResult2dVApproxError ( const Standard_Integer  theIndex) const

Returns the error of approximation of V parameter 2d-curve as a result projecting of the curve interval with number Index.

◆ GetResult3dApproxError()

Standard_Real ProjLib_CompProjectedCurve::GetResult3dApproxError ( const Standard_Integer  theIndex) const

Returns the error of approximation of 3d-curve as a result projecting of the curve interval with number Index.

◆ GetResult3dC()

Handle< Geom_Curve > ProjLib_CompProjectedCurve::GetResult3dC ( const Standard_Integer  theIndex) const

Returns the resulting 3d-curve of projecting of the curve interval with number Index.

◆ GetResult3dP()

gp_Pnt ProjLib_CompProjectedCurve::GetResult3dP ( const Standard_Integer  theIndex) const

Returns the resulting 3d-point of projecting of the curve interval with number Index.

◆ GetSequence()

const Handle< ProjLib_HSequenceOfHSequenceOfPnt >& ProjLib_CompProjectedCurve::GetSequence ( ) const

◆ GetSurface()

const Handle< Adaptor3d_Surface >& ProjLib_CompProjectedCurve::GetSurface ( ) const

◆ GetTolerance()

void ProjLib_CompProjectedCurve::GetTolerance ( Standard_Real TolU,
Standard_Real TolV 
) const

◆ GetType()

GeomAbs_CurveType ProjLib_CompProjectedCurve::GetType ( ) const
overridevirtual

Returns the type of the curve in the current interval : Line, Circle, Ellipse, Hyperbola, Parabola, BezierCurve, BSplineCurve, OtherCurve.

Reimplemented from Adaptor2d_Curve2d.

◆ Init()

void ProjLib_CompProjectedCurve::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.

◆ Intervals()

void ProjLib_CompProjectedCurve::Intervals ( TColStd_Array1OfReal T,
const GeomAbs_Shape  S 
) const
overridevirtual

Returns the parameters corresponding to S discontinuities.

The array must provide enough room to accommodate for the parameters. i.e. T.Length() > NbIntervals()

Reimplemented from Adaptor2d_Curve2d.

◆ IsSinglePnt()

Standard_Boolean ProjLib_CompProjectedCurve::IsSinglePnt ( const Standard_Integer  Index,
gp_Pnt2d P 
) const

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

◆ IsUIso()

Standard_Boolean ProjLib_CompProjectedCurve::IsUIso ( const Standard_Integer  Index,
Standard_Real U 
) const

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

◆ IsVIso()

Standard_Boolean ProjLib_CompProjectedCurve::IsVIso ( const Standard_Integer  Index,
Standard_Real V 
) const

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

◆ LastParameter()

Standard_Real ProjLib_CompProjectedCurve::LastParameter ( ) const
overridevirtual

Returns the last parameter of the curve C which has a projection on S.

Reimplemented from Adaptor2d_Curve2d.

◆ Load() [1/2]

void ProjLib_CompProjectedCurve::Load ( const Handle< Adaptor3d_Surface > &  S)

Changes the surface.

◆ Load() [2/2]

void ProjLib_CompProjectedCurve::Load ( const Handle< Adaptor3d_Curve > &  C)

Changes the curve.

◆ MaxDistance()

Standard_Real ProjLib_CompProjectedCurve::MaxDistance ( const Standard_Integer  Index) const

returns the maximum distance between curve to project and surface

◆ NbCurves()

Standard_Integer ProjLib_CompProjectedCurve::NbCurves ( ) const

returns the number of continuous part of the projected curve

◆ NbIntervals()

Standard_Integer ProjLib_CompProjectedCurve::NbIntervals ( const GeomAbs_Shape  S) const
overridevirtual

Returns the number of intervals which define an S continuous part of the projected curve.

Reimplemented from Adaptor2d_Curve2d.

◆ Perform()

void ProjLib_CompProjectedCurve::Perform ( )

Performs projecting for given curve. If projecting uses approximation, approximation parameters can be set before by corresponding methods SetTol3d(...), SeContinuity(...), SetMaxDegree(...), SetMaxSeg(...)

◆ ResultIsPoint()

Standard_Boolean ProjLib_CompProjectedCurve::ResultIsPoint ( const Standard_Integer  theIndex) const

Returns true if result of projecting of the curve interval with number Index is point.

◆ SetContinuity()

void ProjLib_CompProjectedCurve::SetContinuity ( const GeomAbs_Shape  theContinuity)

Set the parameter, which defines curve continuity. Default value is GeomAbs_C2;.

◆ SetMaxDegree()

void ProjLib_CompProjectedCurve::SetMaxDegree ( const Standard_Integer  theMaxDegree)

Set max possible degree of result BSpline curve2d, which is got by approximation. If MaxDegree < 0, algorithm uses values that are chosen depending of types curve 3d and surface.

◆ SetMaxSeg()

void ProjLib_CompProjectedCurve::SetMaxSeg ( const Standard_Integer  theMaxSeg)

Set the parameter, which defines maximal value of parametric intervals the projected curve can be cut for approximation. If MaxSeg < 0, algorithm uses default value = 16.

◆ SetProj2d()

void ProjLib_CompProjectedCurve::SetProj2d ( const Standard_Boolean  theProj2d)

Set the parameter, which defines necessity of 2d results.

◆ SetProj3d()

void ProjLib_CompProjectedCurve::SetProj3d ( const Standard_Boolean  theProj3d)

Set the parameter, which defines necessity of 3d results.

◆ SetTol3d()

void ProjLib_CompProjectedCurve::SetTol3d ( const Standard_Real  theTol3d)

Set the parameter, which defines 3d tolerance of approximation.

◆ ShallowCopy()

virtual Handle< Adaptor2d_Curve2d > ProjLib_CompProjectedCurve::ShallowCopy ( ) const
overridevirtual

Shallow copy of adaptor.

Reimplemented from Adaptor2d_Curve2d.

◆ Trim()

Handle< Adaptor2d_Curve2d > ProjLib_CompProjectedCurve::Trim ( const Standard_Real  FirstParam,
const Standard_Real  LastParam,
const Standard_Real  Tol 
) const
overridevirtual

Returns a curve equivalent of <me> between parameters <First> and <Last>. <Tol> is used to test for 2d points confusion. If <First> >= <Last>

Reimplemented from Adaptor2d_Curve2d.

◆ Value()

gp_Pnt2d ProjLib_CompProjectedCurve::Value ( const Standard_Real  U) const
overridevirtual

Computes the point of parameter U on the curve.

Reimplemented from Adaptor2d_Curve2d.


The documentation for this class was generated from the following file: