cadex.Geom.BSplineCurve2d Class Reference

Defines 2D B-Spline curve. More...

Inheritance diagram for cadex.Geom.BSplineCurve2d:

Public Member Functions
	BSplineCurve2d (global::System.IntPtr cPtr, bool cMemoryOwn)
	BSplineCurve2d (cadex.Collections.Point2dList thePoles, cadex.Collections.DoubleList theKnots, cadex.Collections.IntList theMultiplicities, int theDegree, bool theIsPeriodic)
	BSplineCurve2d (cadex.Collections.Point2dList thePoles, cadex.Collections.DoubleList theKnots, cadex.Collections.IntList theMultiplicities, int theDegree)
	BSplineCurve2d (cadex.Collections.Point2dList thePoles, cadex.Collections.DoubleList thePoleWeights, cadex.Collections.DoubleList theKnots, cadex.Collections.IntList theMultiplicities, int theDegree, bool theIsPeriodic)
	BSplineCurve2d (cadex.Collections.Point2dList thePoles, cadex.Collections.DoubleList thePoleWeights, cadex.Collections.DoubleList theKnots, cadex.Collections.IntList theMultiplicities, int theDegree)
int	Degree ()
	Returns degree.
int	NumberOfKnots ()
	Returns number of unique knots.
int	NumberOfPoles ()
	Returns number of poles.
double	Knot (int theIndex)
	theIndex must be in the range [1, NumberOfKnots()].
cadex.Collections.DoubleList	Knots ()
	theKnots must point to a buffer in memory with at least NumberOfKnots() preallocated values.
int	Multiplicity (int theIndex)
	theIndex must be in the range [1, NumberOfKnots()].
cadex.Collections.IntList	Multiplicities ()
	theMultiplicities must point to a buffer in memory with at least NumberOfKnots() preallocated values.
cadex.Geom.Point2d	Pole (int theIndex)
	theIndex must be in the range [1, NumberOfPoles()].
cadex.Collections.Point2dList	Poles ()
	thePoles must point to a buffer in memory with at least NumberOfPoles() preallocated values.
double	Weight (int theIndex)
	theIndex must be in the range [1, NumberOfPoles()].
cadex.Collections.DoubleList	Weights ()
	theWeights must point to a buffer in memory with at least NumberOfPoles() preallocated values.
bool	IsRational ()
	Returns true if the B-Spline curve is rational (i.e. has weights).
Public Member Functions inherited from cadex.Geom.Curve2d
	Curve2d (global::System.IntPtr cPtr, bool cMemoryOwn)
cadex.Geom.CurveType	Type ()
	Returns a curve type.
cadex.Geom.Continuity	Continuity ()
	Returns a continuity type of the curve.
cadex.Geom.Point2d	Value (double theParameter)
	Evaluates a point on the curve.
cadex.Geom.Direction2d	Normal (double theParameter)
	Returns the normal direction theNormal of parameter theParam.
double	Curvature (double theParameter)
	Returns the curvature value of parameter theParam.
double	UMin ()
	Returns a minimum parameter of a definition domain.
double	UMax ()
	Returns a maximum parameter of a definition domain.
void	Domain (out double theUMin, out double theUMax)
	Returns a definition domain.
bool	IsTrimmed ()
	Returns whether curve is trimmed or not.
void	SetTrim (double theFirst, double theLast)
	Trims curve with [theFirst, theLast] section.
void	D0 (double theParameter, cadex.Geom.Point2d theValue)
	Throws exception only for the OffsetCurve if it is not possible to compute the current point.
void	D1 (double theParameter, cadex.Geom.Point2d theValue, cadex.Geom.Vector2d theD1)
	Returns the point theValue of parameter theParam and the first derivative theD1.
void	D2 (double theParameter, cadex.Geom.Point2d theValue, cadex.Geom.Vector2d theD1, cadex.Geom.Vector2d theD2)
	Returns the point theValue of parameter theParam and second derivatives theD1 and theD2.
bool	DN (double theParameter, uint theDerivativeOrder, cadex.Geom.Point2d theValue, cadex.Collections.Vector2dList theD)
	Returns true if calculation was passed succsesfully, the returned vectors gives the value of the derivative for the order of derivation theDerivativeOrder.
void	Transform (cadex.Geom.Transformation2d theTransformation)
	Results depends on the actual curve type.
cadex.Geom.Curve2d	Transformed (cadex.Geom.Transformation2d theTransformation)
	The contents of this object is not modified.
Public Member Functions inherited from cadex.Geom.Geometry
	Geometry (global::System.IntPtr cPtr, bool cMemoryOwn)
Public Member Functions inherited from cadex.BaseObject
	BaseObject (global::System.IntPtr cPtr, bool cMemoryOwn)
void	Dispose ()
bool	IsNull ()
ulong	Id ()
	Return unique identifier of public object.
bool	IsEqual (cadex.BaseObject theObj)
override int	GetHashCode ()
override bool	Equals (System.Object o)

Static Public Member Functions
static new bool	CompareType (cadex.BaseObject theObject)
static cadex.Geom.BSplineCurve2d	Cast (cadex.Geom.Curve2d theBase)
Static Public Member Functions inherited from cadex.Geom.Curve2d
static new bool	CompareType (cadex.BaseObject theObject)
static cadex.Geom.Curve2d	Cast (cadex.Geom.Geometry theBase)
Static Public Member Functions inherited from cadex.Geom.Geometry
static bool	CompareType (cadex.BaseObject theObject)
static cadex.Geom.Geometry	Cast (cadex.BaseObject theBase)

Protected Member Functions
override void	Dispose (bool disposing)
Protected Member Functions inherited from cadex.Geom.Curve2d
override void	Dispose (bool disposing)
Protected Member Functions inherited from cadex.Geom.Geometry
override void	Dispose (bool disposing)

Detailed Description

Defines 2D B-Spline curve.

For detailed description refer to 3D counterpart BSplineCurve.

Examples

exploring/brep_geometry/Program.cs, and exploring/brep_geometry/main.cxx.

Member Function Documentation

Degree()

int cadex.Geom.BSplineCurve2d.Degree ( )

inline

Returns degree.

Examples

exploring/brep_geometry/Program.cs, and exploring/brep_geometry/main.cxx.

Dispose()

override void cadex.Geom.BSplineCurve2d.Dispose ( bool disposing )

inlineprotectedvirtual

Reimplemented from cadex.BaseObject.

IsRational()

bool cadex.Geom.BSplineCurve2d.IsRational ( )

inline

Returns true if the B-Spline curve is rational (i.e. has weights).

Knot()

double cadex.Geom.BSplineCurve2d.Knot ( int theIndex )

inline

theIndex must be in the range [1, NumberOfKnots()].

See also

Multiplicity(). Returns a knot value.

Examples

exploring/brep_geometry/Program.cs, and exploring/brep_geometry/main.cxx.

Knots()

cadex.Collections.DoubleList cadex.Geom.BSplineCurve2d.Knots ( )

inline

theKnots must point to a buffer in memory with at least NumberOfKnots() preallocated values.

Returns NumberOfKnots().

See also

Multiplicities(). Populates a vector of knots.

Multiplicities()

cadex.Collections.IntList cadex.Geom.BSplineCurve2d.Multiplicities ( )

inline

theMultiplicities must point to a buffer in memory with at least NumberOfKnots() preallocated values.

Returns NumberOfKnots().

See also

Knots(). Populates a vector of knot multiplicities.

Multiplicity()

int cadex.Geom.BSplineCurve2d.Multiplicity ( int theIndex )

inline

theIndex must be in the range [1, NumberOfKnots()].

See also

Knot(). Returns a knot multiplicity.

Examples

exploring/brep_geometry/Program.cs, and exploring/brep_geometry/main.cxx.

NumberOfKnots()

int cadex.Geom.BSplineCurve2d.NumberOfKnots ( )

inline

Returns number of unique knots.

Examples

exploring/brep_geometry/Program.cs, and exploring/brep_geometry/main.cxx.

NumberOfPoles()

int cadex.Geom.BSplineCurve2d.NumberOfPoles ( )

inline

Returns number of poles.

Examples

exploring/brep_geometry/Program.cs, and exploring/brep_geometry/main.cxx.

Pole()

cadex.Geom.Point2d cadex.Geom.BSplineCurve2d.Pole ( int theIndex )

inline

theIndex must be in the range [1, NumberOfPoles()].

See also

Weight(). Returns a pole value.

Examples

exploring/brep_geometry/Program.cs, and exploring/brep_geometry/main.cxx.

Poles()

cadex.Collections.Point2dList cadex.Geom.BSplineCurve2d.Poles ( )

inline

thePoles must point to a buffer in memory with at least NumberOfPoles() preallocated values.

Returns NumberOfPoles().

See also

Weights(). Populates a vector of poles.

Weight()

double cadex.Geom.BSplineCurve2d.Weight ( int theIndex )

inline

theIndex must be in the range [1, NumberOfPoles()].

For polynomial B-Spline behavior is undefined.

See also

Pole(). Returns a weight value.

Examples

exploring/brep_geometry/Program.cs, and exploring/brep_geometry/main.cxx.

Weights()

cadex.Collections.DoubleList cadex.Geom.BSplineCurve2d.Weights ( )

inline

theWeights must point to a buffer in memory with at least NumberOfPoles() preallocated values.

Returns NumberOfPoles().

For polynomial B-Spline does nothing and returns 0.

See also

Poles(). Populates a vector of weights.