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TKBRep
BRepAdaptor


BRepAdaptor_Curve Class Reference

The Curve from BRepAdaptor allows to use an Edge
of the BRep topology like a 3D curve.

It has the methods the class Curve from Adaptor3d.

It is created or Initialized with an Edge. It
takes into account local coordinate systems. If
the Edge has a 3D curve it is use with priority.
If the edge has no 3D curve one of the curves on
surface is used. It is possible to enforce using a
curve on surface by creating or initialising with
an Edge and a Face.
.

#include <BRepAdaptor_Curve.hxx>

Inheritance diagram for BRepAdaptor_Curve:

Inheritance graph
[legend]

Public Member Functions

void * operator new (size_t, void *anAddress)
void * operator new (size_t size)
void operator delete (void *anAddress)
Standard_EXPORT BRepAdaptor_Curve ()
 Creates an undefined Curve with no Edge loaded.
.
Standard_EXPORT BRepAdaptor_Curve (const TopoDS_Edge &E)
 Creates a Curve to acces to the geometry of edge
<e>.
.
Standard_EXPORT BRepAdaptor_Curve (const TopoDS_Edge &E, const TopoDS_Face &F)
 Creates a Curve to acces to the geometry of edge
<e>. The geometry will be computed using the
parametric curve of <e> on the face <f>. An Error
is raised if the edge does not have a pcurve on
the face.
.
Standard_EXPORT void Initialize (const TopoDS_Edge &E)
 Sets the Curve <me> to acces to the geometry of
edge <e>.
.
Standard_EXPORT void Initialize (const TopoDS_Edge &E, const TopoDS_Face &F)
 Sets the Curve <me> to acces to the geometry of
edge <e>. The geometry will be computed using the
parametric curve of <e> on the face <f>. An Error
is raised if the edge does not have a pcurve on
the face.
.
Standard_EXPORT const gp_Trsf & Trsf () const
 Returns the coordinate system of the curve.
.
Standard_EXPORT Standard_Boolean Is3DCurve () const
 Returns True if the edge geometry is computed from
a 3D curve.
.
Standard_EXPORT Standard_Boolean IsCurveOnSurface () const
 Returns True if the edge geometry is computed from
a pcurve on a surface.
.
Standard_EXPORT const GeomAdaptor_CurveCurve () const
 Returns the Curve of the edge.
.
Standard_EXPORT const Adaptor3d_CurveOnSurfaceCurveOnSurface () const
 Returns the CurveOnSurface of the edge.
.
Standard_EXPORT const TopoDS_EdgeEdge () const
 Returns the edge.

.
Standard_EXPORT Standard_Real Tolerance () const
 Returns the edge tolerance.

.
Standard_EXPORT Standard_Real FirstParameter () const
Standard_EXPORT Standard_Real LastParameter () const
Standard_EXPORT GeomAbs_Shape Continuity () const
Standard_EXPORT Standard_Integer NbIntervals (const GeomAbs_Shape S)
 Returns the number of intervals for continuity
<s>. May be one if Continuity(me) >= <s>
.
Standard_EXPORT void Intervals (TColStd_Array1OfReal &T, const GeomAbs_Shape S)
 Stores in <t> the parameters bounding the intervals
of continuity <s>.

The array must provide enough room to accomodate
for the parameters. i.e. T.Length() > NbIntervals()
.
Standard_EXPORT Handle_Adaptor3d_HCurve Trim (const Standard_Real First, const Standard_Real Last, const Standard_Real Tol) const
 Returns a curve equivalent of <me> between
parameters <first> and <last>. <tol> is used to
test for 3d points confusion.
//! If <first> >= <last>
.
Standard_EXPORT Standard_Boolean IsClosed () const
Standard_EXPORT Standard_Boolean IsPeriodic () const
Standard_EXPORT Standard_Real Period () const
Standard_EXPORT gp_Pnt Value (const Standard_Real U) const
 Computes the point of parameter U on the curve
.
Standard_EXPORT void D0 (const Standard_Real U, gp_Pnt &P) const
 Computes the point of parameter U.
.
Standard_EXPORT void D1 (const Standard_Real U, gp_Pnt &P, gp_Vec &V) const
 Computes the point of parameter U on the curve
with its first derivative.
//! Raised if the continuity of the current interval
is not C1.
.
Standard_EXPORT void D2 (const Standard_Real U, gp_Pnt &P, gp_Vec &V1, gp_Vec &V2) const
 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.
.
Standard_EXPORT void D3 (const Standard_Real U, gp_Pnt &P, gp_Vec &V1, gp_Vec &V2, gp_Vec &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.
.
Standard_EXPORT gp_Vec DN (const Standard_Real U, const Standard_Integer N) const
 The returned vector gives the value of the derivative for the
order of derivation N.
//! Raised if the continuity of the current interval
is not CN.
//! Raised if N < 1.
.
Standard_EXPORT Standard_Real Resolution (const Standard_Real R3d) const
 returns the parametric resolution

Standard_EXPORT GeomAbs_CurveType GetType () const
 Returns the type of the curve in the current
interval : Line, Circle, Ellipse, Hyperbola,
Parabola, BezierCurve, BSplineCurve, OtherCurve.
.
Standard_EXPORT gp_Lin Line () const
Standard_EXPORT gp_Circ Circle () const
Standard_EXPORT gp_Elips Ellipse () const
Standard_EXPORT gp_Hypr Hyperbola () const
Standard_EXPORT gp_Parab Parabola () const
Standard_EXPORT Standard_Integer Degree () const
Standard_EXPORT Standard_Boolean IsRational () const
Standard_EXPORT Standard_Integer NbPoles () const
Standard_EXPORT Standard_Integer NbKnots () const
Standard_EXPORT Handle_Geom_BezierCurve Bezier () const
 Warning :
This will make a copy of the Bezier Curve
since it applies to it myTsrf . Be carefull when
using this method
.
Standard_EXPORT Handle_Geom_BSplineCurve BSpline () const
 Warning :
This will make a copy of the BSpline Curve
since it applies to it myTsrf . Be carefull when
using this method
.

Private Attributes

gp_Trsf myTrsf
GeomAdaptor_Curve myCurve
Handle_Adaptor3d_HCurveOnSurface myConSurf
TopoDS_Edge myEdge

Constructor & Destructor Documentation

Standard_EXPORT BRepAdaptor_Curve::BRepAdaptor_Curve  ) 
 

Standard_EXPORT BRepAdaptor_Curve::BRepAdaptor_Curve const TopoDS_Edge E  ) 
 

Standard_EXPORT BRepAdaptor_Curve::BRepAdaptor_Curve const TopoDS_Edge E,
const TopoDS_Face F
 


Member Function Documentation

Standard_EXPORT Handle_Geom_BezierCurve BRepAdaptor_Curve::Bezier  )  const [virtual]
 

Reimplemented from Adaptor3d_Curve.

Standard_EXPORT Handle_Geom_BSplineCurve BRepAdaptor_Curve::BSpline  )  const [virtual]
 

Reimplemented from Adaptor3d_Curve.

Standard_EXPORT gp_Circ BRepAdaptor_Curve::Circle  )  const [virtual]
 

Reimplemented from Adaptor3d_Curve.

Standard_EXPORT GeomAbs_Shape BRepAdaptor_Curve::Continuity  )  const [virtual]
 

Reimplemented from Adaptor3d_Curve.

Standard_EXPORT const GeomAdaptor_Curve& BRepAdaptor_Curve::Curve  )  const
 

Standard_EXPORT const Adaptor3d_CurveOnSurface& BRepAdaptor_Curve::CurveOnSurface  )  const
 

Standard_EXPORT void BRepAdaptor_Curve::D0 const Standard_Real  U,
gp_Pnt &  P
const [virtual]
 

Reimplemented from Adaptor3d_Curve.

Standard_EXPORT void BRepAdaptor_Curve::D1 const Standard_Real  U,
gp_Pnt &  P,
gp_Vec &  V
const [virtual]
 

Reimplemented from Adaptor3d_Curve.

Standard_EXPORT void BRepAdaptor_Curve::D2 const Standard_Real  U,
gp_Pnt &  P,
gp_Vec &  V1,
gp_Vec &  V2
const [virtual]
 

Reimplemented from Adaptor3d_Curve.

Standard_EXPORT void BRepAdaptor_Curve::D3 const Standard_Real  U,
gp_Pnt &  P,
gp_Vec &  V1,
gp_Vec &  V2,
gp_Vec &  V3
const [virtual]
 

Reimplemented from Adaptor3d_Curve.

Standard_EXPORT Standard_Integer BRepAdaptor_Curve::Degree  )  const [virtual]
 

Reimplemented from Adaptor3d_Curve.

Standard_EXPORT gp_Vec BRepAdaptor_Curve::DN const Standard_Real  U,
const Standard_Integer  N
const [virtual]
 

Reimplemented from Adaptor3d_Curve.

Standard_EXPORT const TopoDS_Edge& BRepAdaptor_Curve::Edge  )  const
 

Standard_EXPORT gp_Elips BRepAdaptor_Curve::Ellipse  )  const [virtual]
 

Reimplemented from Adaptor3d_Curve.

Standard_EXPORT Standard_Real BRepAdaptor_Curve::FirstParameter  )  const [virtual]
 

Reimplemented from Adaptor3d_Curve.

Standard_EXPORT GeomAbs_CurveType BRepAdaptor_Curve::GetType  )  const [virtual]
 

Reimplemented from Adaptor3d_Curve.

Standard_EXPORT gp_Hypr BRepAdaptor_Curve::Hyperbola  )  const [virtual]
 

Reimplemented from Adaptor3d_Curve.

Standard_EXPORT void BRepAdaptor_Curve::Initialize const TopoDS_Edge E,
const TopoDS_Face F
 

Standard_EXPORT void BRepAdaptor_Curve::Initialize const TopoDS_Edge E  ) 
 

Standard_EXPORT void BRepAdaptor_Curve::Intervals TColStd_Array1OfReal &  T,
const GeomAbs_Shape  S
[virtual]
 

Reimplemented from Adaptor3d_Curve.

Standard_EXPORT Standard_Boolean BRepAdaptor_Curve::Is3DCurve  )  const
 

Standard_EXPORT Standard_Boolean BRepAdaptor_Curve::IsClosed  )  const [virtual]
 

Reimplemented from Adaptor3d_Curve.

Standard_EXPORT Standard_Boolean BRepAdaptor_Curve::IsCurveOnSurface  )  const
 

Standard_EXPORT Standard_Boolean BRepAdaptor_Curve::IsPeriodic  )  const [virtual]
 

Reimplemented from Adaptor3d_Curve.

Standard_EXPORT Standard_Boolean BRepAdaptor_Curve::IsRational  )  const [virtual]
 

Reimplemented from Adaptor3d_Curve.

Standard_EXPORT Standard_Real BRepAdaptor_Curve::LastParameter  )  const [virtual]
 

Reimplemented from Adaptor3d_Curve.

Standard_EXPORT gp_Lin BRepAdaptor_Curve::Line  )  const [virtual]
 

Reimplemented from Adaptor3d_Curve.

Standard_EXPORT Standard_Integer BRepAdaptor_Curve::NbIntervals const GeomAbs_Shape  S  )  [virtual]
 

Reimplemented from Adaptor3d_Curve.

Standard_EXPORT Standard_Integer BRepAdaptor_Curve::NbKnots  )  const [virtual]
 

Reimplemented from Adaptor3d_Curve.

Standard_EXPORT Standard_Integer BRepAdaptor_Curve::NbPoles  )  const [virtual]
 

Reimplemented from Adaptor3d_Curve.

void BRepAdaptor_Curve::operator delete void *  anAddress  )  [inline]
 

Reimplemented from Adaptor3d_Curve.

void* BRepAdaptor_Curve::operator new size_t  size  )  [inline]
 

Reimplemented from Adaptor3d_Curve.

void* BRepAdaptor_Curve::operator new size_t  ,
void *  anAddress
[inline]
 

Reimplemented from Adaptor3d_Curve.

Standard_EXPORT gp_Parab BRepAdaptor_Curve::Parabola  )  const [virtual]
 

Reimplemented from Adaptor3d_Curve.

Standard_EXPORT Standard_Real BRepAdaptor_Curve::Period  )  const [virtual]
 

Reimplemented from Adaptor3d_Curve.

Standard_EXPORT Standard_Real BRepAdaptor_Curve::Resolution const Standard_Real  R3d  )  const [virtual]
 

Reimplemented from Adaptor3d_Curve.

Standard_EXPORT Standard_Real BRepAdaptor_Curve::Tolerance  )  const
 

Standard_EXPORT Handle_Adaptor3d_HCurve BRepAdaptor_Curve::Trim const Standard_Real  First,
const Standard_Real  Last,
const Standard_Real  Tol
const [virtual]
 

Reimplemented from Adaptor3d_Curve.

Standard_EXPORT const gp_Trsf& BRepAdaptor_Curve::Trsf  )  const
 

Standard_EXPORT gp_Pnt BRepAdaptor_Curve::Value const Standard_Real  U  )  const [virtual]
 

Reimplemented from Adaptor3d_Curve.


Field Documentation

Handle_Adaptor3d_HCurveOnSurface BRepAdaptor_Curve::myConSurf [private]
 

GeomAdaptor_Curve BRepAdaptor_Curve::myCurve [private]
 

TopoDS_Edge BRepAdaptor_Curve::myEdge [private]
 

gp_Trsf BRepAdaptor_Curve::myTrsf [private]
 


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