Open CASCADE Technology
6.5.4
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Construct the bisector between two curves.
The curves can intersect only in their extremities.
#include <Bisector_BisecCC.hxx>
Public Member Functions | |
Bisector_BisecCC () | |
Bisector_BisecCC (const Handle< Geom2d_Curve > &Cu1, const Handle< Geom2d_Curve > &Cu2, const Standard_Real Side1, const Standard_Real Side2, const gp_Pnt2d &Origin, const Standard_Real DistMax=500) | |
Constructs the bisector between the curves <Cu1> and <Cu2>. <Side1> (resp <Side2>) = 1 if the bisector curve is on the left of <Cu1> (resp <Cu2>) else <Side1> (resp <Side2>) = -1. the Bisector is trimmed by the Point <Origin>. <DistMax> is used to trim the bisector.The distance between the points of the bisector and <Cu> is smaller than <DistMax>. | |
void | Perform (const Handle< Geom2d_Curve > &Cu1, const Handle< Geom2d_Curve > &Cu2, const Standard_Real Side1, const Standard_Real Side2, const gp_Pnt2d &Origin, const Standard_Real DistMax=500) |
Computes the bisector between the curves <Cu1> and <Cu2>. <Side1> (resp <Side2>) = 1 if the bisector curve is on the left of <Cu1> (resp <Cu2>) else <Side1> (resp <Side2>) = -1. the Bisector is trimmed by the Point <Origin>. <DistMax> is used to trim the bisector.The distance between the points of the bisector and <Cu> is smaller than <DistMax>. | |
Standard_Boolean | IsExtendAtStart () const |
Standard_Boolean | IsExtendAtEnd () const |
void | Reverse () |
Changes the direction of parametrization of <me>. The "FirstParameter" and the "LastParameter" are not changed but the orientation of the curve is modified. If the curve is bounded the StartPoint of the initial curve becomes the EndPoint of the reversed curve and the EndPoint of the initial curve becomes the StartPoint of the reversed curve. | |
Standard_Real | ReversedParameter (const Standard_Real U) const |
Computes the parameter on the reversed curve for the point of parameter U on this curve. Note: The point of parameter U on this curve is identical to the point of parameter ReversedParameter(U) on the reversed curve. | |
Standard_Boolean | IsCN (const Standard_Integer N) const |
Returns the order of continuity of the curve. //! Raised if N < 0. | |
Handle_Bisector_BisecCC | ChangeGuide () const |
The parameter on <me> is linked to the parameter on the first curve. This method creates the same bisector where the curves are inversed. | |
Handle_Geom2d_Geometry | Copy () const |
void | Transform (const gp_Trsf2d &T) |
Transformation of a geometric object. This tansformation can be a translation, a rotation, a symmetry, a scaling or a complex transformation obtained by combination of the previous elementaries transformations. | |
Standard_Real | FirstParameter () const |
Returns the value of the first parameter. Warnings : It can be RealFirst or RealLast from package Standard if the curve is infinite | |
Standard_Real | LastParameter () const |
Value of the last parameter. Warnings : It can be RealFirst or RealLast from package Standard if the curve is infinite | |
GeomAbs_Shape | Continuity () const |
It is the global continuity of the curve : C0 : only geometric continuity, C1 : continuity of the first derivative all along the Curve, C2 : continuity of the second derivative all along the Curve, C3 : continuity of the third derivative all along the Curve, G1 : tangency continuity all along the Curve, G2 : curvature continuity all along the Curve, CN : the order of continuity is infinite. | |
Standard_Integer | NbIntervals () const |
If necessary, breaks the curve in intervals of continuity <C1>. And returns the number of intervals. | |
Standard_Real | IntervalFirst (const Standard_Integer Index) const |
Returns the first parameter of the current interval. | |
Standard_Real | IntervalLast (const Standard_Integer Index) const |
Returns the last parameter of the current interval. | |
GeomAbs_Shape | IntervalContinuity () const |
Standard_Boolean | IsClosed () const |
Returns true if the curve is closed. Examples : Some curves such as circle are always closed, others such as line are never closed (by definition). Some Curves such as OffsetCurve can be closed or not. These curves are considered as closed if the distance between the first point and the last point of the curve is lower or equal to the Resolution from package gp wich is a fixed criterion independant of the application. | |
Standard_Boolean | IsPeriodic () const |
Returns true if the parameter of the curve is periodic. It is possible only if the curve is closed and if the following relation is satisfied : for each parametric value U the distance between the point P(u) and the point P (u + T) is lower or equal to Resolution from package gp, T is the period and must be a constant. There are three possibilities : . the curve is never periodic by definition (SegmentLine) . the curve is always periodic by definition (Circle) . the curve can be defined as periodic (BSpline). In this case a function SetPeriodic allows you to give the shape of the curve. The general rule for this case is : if a curve can be periodic or not the default periodicity set is non periodic and you have to turn (explicitly) the curve into a periodic curve if you want the curve to be periodic. | |
gp_Pnt2d | ValueAndDist (const Standard_Real U, Standard_Real &U1, Standard_Real &U2, Standard_Real &Distance) const |
Returns the point of parameter U. Computes the distance between the current point and the two curves I separate. Computes the parameters on each curve corresponding of the projection of the current point. | |
gp_Pnt2d | ValueByInt (const Standard_Real U, Standard_Real &U1, Standard_Real &U2, Standard_Real &Distance) const |
Returns the point of parameter U. Computes the distance between the current point and the two curves I separate. Computes the parameters on each curve corresponding of the projection of the current point. | |
void | D0 (const Standard_Real U, gp_Pnt2d &P) const |
Returns in P the point of parameter U. If the curve is periodic then the returned point is P(U) with U = Ustart + (U - Uend) where Ustart and Uend are the parametric bounds of the curve. Raised only for the "OffsetCurve" if it is not possible to compute the current point. For example when the first derivative on the basis curve and the offset direction are parallel. | |
void | D1 (const Standard_Real U, gp_Pnt2d &P, gp_Vec2d &V) const |
Returns the point P of parameter U and the first derivative V1. //! Raised if the continuity of the curve is not C1. | |
void | D2 (const Standard_Real U, gp_Pnt2d &P, gp_Vec2d &V1, gp_Vec2d &V2) const |
Returns the point P of parameter U, the first and second derivatives V1 and V2. //! Raised if the continuity of the curve is not C2. | |
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 curve is not C3. | |
gp_Vec2d | DN (const Standard_Real U, const Standard_Integer N) const |
For the point of parameter U of this curve, computes the vector corresponding to the Nth derivative. Exceptions StdFail_UndefinedDerivative if: | |
Standard_Boolean | IsEmpty () const |
Standard_Real | LinkBisCurve (const Standard_Real U) const |
Returns the parameter on the curve1 of the projection of the point of parameter U on <me>. | |
Standard_Real | LinkCurveBis (const Standard_Real U) const |
Returns the reciproque of LinkBisCurve. | |
Standard_Real | Parameter (const gp_Pnt2d &P) const |
Handle_Geom2d_Curve | Curve (const Standard_Integer IndCurve) const |
const Bisector_PolyBis & | Polygon () const |
void | Dump (const Standard_Integer Deep=0, const Standard_Integer Offset=0) const |
Bisector_BisecCC::Bisector_BisecCC | ( | const Handle< Geom2d_Curve > & | Cu1, |
const Handle< Geom2d_Curve > & | Cu2, | ||
const Standard_Real | Side1, | ||
const Standard_Real | Side2, | ||
const gp_Pnt2d & | Origin, | ||
const Standard_Real | DistMax = 500 |
||
) |
Handle_Bisector_BisecCC Bisector_BisecCC::ChangeGuide | ( | ) | const |
GeomAbs_Shape Bisector_BisecCC::Continuity | ( | ) | const [virtual] |
Implements Geom2d_Curve.
Handle_Geom2d_Geometry Bisector_BisecCC::Copy | ( | ) | const [virtual] |
Implements Geom2d_Geometry.
Handle_Geom2d_Curve Bisector_BisecCC::Curve | ( | const Standard_Integer | IndCurve | ) | const |
void Bisector_BisecCC::D0 | ( | const Standard_Real | U, |
gp_Pnt2d & | P | ||
) | const [virtual] |
Implements Geom2d_Curve.
void Bisector_BisecCC::D1 | ( | const Standard_Real | U, |
gp_Pnt2d & | P, | ||
gp_Vec2d & | V1 | ||
) | const [virtual] |
Implements Geom2d_Curve.
void Bisector_BisecCC::D2 | ( | const Standard_Real | U, |
gp_Pnt2d & | P, | ||
gp_Vec2d & | V1, | ||
gp_Vec2d & | V2 | ||
) | const [virtual] |
Implements Geom2d_Curve.
void Bisector_BisecCC::D3 | ( | const Standard_Real | U, |
gp_Pnt2d & | P, | ||
gp_Vec2d & | V1, | ||
gp_Vec2d & | V2, | ||
gp_Vec2d & | V3 | ||
) | const [virtual] |
Implements Geom2d_Curve.
gp_Vec2d Bisector_BisecCC::DN | ( | const Standard_Real | U, |
const Standard_Integer | N | ||
) | const [virtual] |
Implements Geom2d_Curve.
void Bisector_BisecCC::Dump | ( | const Standard_Integer | Deep = 0 , |
const Standard_Integer | Offset = 0 |
||
) | const |
Standard_Real Bisector_BisecCC::FirstParameter | ( | ) | const [virtual] |
Implements Geom2d_Curve.
Standard_Real Bisector_BisecCC::IntervalFirst | ( | const Standard_Integer | Index | ) | const [virtual] |
Implements Bisector_Curve.
Standard_Real Bisector_BisecCC::IntervalLast | ( | const Standard_Integer | Index | ) | const [virtual] |
Implements Bisector_Curve.
Standard_Boolean Bisector_BisecCC::IsClosed | ( | ) | const [virtual] |
Implements Geom2d_Curve.
Standard_Boolean Bisector_BisecCC::IsCN | ( | const Standard_Integer | N | ) | const [virtual] |
Implements Geom2d_Curve.
Standard_Boolean Bisector_BisecCC::IsEmpty | ( | ) | const |
Standard_Boolean Bisector_BisecCC::IsExtendAtEnd | ( | ) | const [virtual] |
Implements Bisector_Curve.
Standard_Boolean Bisector_BisecCC::IsExtendAtStart | ( | ) | const [virtual] |
Implements Bisector_Curve.
Standard_Boolean Bisector_BisecCC::IsPeriodic | ( | ) | const [virtual] |
Implements Geom2d_Curve.
Standard_Real Bisector_BisecCC::LastParameter | ( | ) | const [virtual] |
Implements Geom2d_Curve.
Standard_Integer Bisector_BisecCC::NbIntervals | ( | ) | const [virtual] |
Implements Bisector_Curve.
Standard_Real Bisector_BisecCC::Parameter | ( | const gp_Pnt2d & | P | ) | const [virtual] |
Implements Bisector_Curve.
void Bisector_BisecCC::Perform | ( | const Handle< Geom2d_Curve > & | Cu1, |
const Handle< Geom2d_Curve > & | Cu2, | ||
const Standard_Real | Side1, | ||
const Standard_Real | Side2, | ||
const gp_Pnt2d & | Origin, | ||
const Standard_Real | DistMax = 500 |
||
) |
const Bisector_PolyBis& Bisector_BisecCC::Polygon | ( | ) | const |
void Bisector_BisecCC::Reverse | ( | ) | [virtual] |
Implements Geom2d_Curve.
Standard_Real Bisector_BisecCC::ReversedParameter | ( | const Standard_Real | U | ) | const [virtual] |
Implements Geom2d_Curve.
void Bisector_BisecCC::Transform | ( | const gp_Trsf2d & | T | ) | [virtual] |
Implements Geom2d_Geometry.
gp_Pnt2d Bisector_BisecCC::ValueAndDist | ( | const Standard_Real | U, |
Standard_Real & | U1, | ||
Standard_Real & | U2, | ||
Standard_Real & | Distance | ||
) | const |
gp_Pnt2d Bisector_BisecCC::ValueByInt | ( | const Standard_Real | U, |
Standard_Real & | U1, | ||
Standard_Real & | U2, | ||
Standard_Real & | Distance | ||
) | const |