Represent a positional data. [詳解]

公開メンバ関数
	MGPosition (const MGPoint &point)
	Conversion Constructor from a point. [詳解]

	MGPosition (const MGVector &vec)
	Conversion Constructor from a vector. [詳解]

	MGPosition (int sdim=0)
	Void constructor void コンストラクタ [詳解]

	MGPosition (double x, double y)
	Construct 2D position by providing x,y coordinate data. [詳解]

	MGPosition (double x, double y, double z)
	Construct 3D position by providing x,y,z coordinate data. [詳解]

	MGPosition (double x, double y, double z, double w)
	Construct 4D position by providing x,y,z,w coordinate data. [詳解]

	MGPosition (int sdim, const double *v)

	MGPosition (int sdim, const MGPosition &p, int start1=0, int start2=0)

	MGPosition (const std::vector< double > &darrays)
	Construct from std::vector<double> [詳解]

MGPosition &	operator= (const double *a)

double	operator[] (int i) const
	Return i-th element of the position. [詳解]

double	operator() (int i) const

double &	operator() (int i)
	Access to i-th element. [詳解]

MGPosition &	operator+= (const MGVector &vec)

MGPosition &	operator+= (const MGPosition &pos)

MGPosition	operator- () const

MGPosition &	operator-= (const MGVector &vec)

MGPosition &	operator*= (double scale)

MGPosition &	operator*= (const MGMatrix &)

MGPosition &	operator*= (const MGTransf &)

MGPosition &	operator/= (double)

double	angle (const MGPosition &start, const MGPosition &end, const MGVector &normal) const

MGPosition &	clear (double init=0.0)
	Clear all the element by the value init. [詳解]

double	closest (const MGCurve &curve) const

MGPosition	closest (const MGSurface &surf) const

MGPosition *	clone () const

const double *	data () const
	Return the 1st address of the array of the point double data. [詳解]

double *	data ()

double	distance (const MGPosition &P2) const
	Return the distance of this and P2. [詳解]

MGPosition	interpolate (double t2, const MGPosition &vec2) const

bool	is_collinear (const MGPosition &P2, const MGPosition &P3) const

bool	is_null () const
	Test if this is null. [詳解]

double	len () const

bool	on (const MGCurve &curve, double &t) const

bool	on (const MGSurface &surf, MGPosition &uv) const

int	out_to_IGES (MGIgesOfstream &igesfile, int SubordinateEntitySwitch=0) const

double	param (const MGCurve &crv) const

MGPosition	param (const MGSurface &srf) const

MGCParam_list	perps (const MGCurve &crv) const

MGPosition_list	perps (const MGSurface &srf) const

MGVector	project (const MGVector &v2) const

double	ref (int i) const

void	resize (int new_sdim)

int	sdim () const
	Get the space dimension. [詳解]

void	set_null ()
	Set this as a null position. [詳解]

void	store_at (int i, const MGVector &vec2, int j=0)

void	store_at (int i, const MGVector &vec2, int j, int len)

void	swap (int i, int j)

const MGVector &	vector () const

int	dump_size () const
	Dump Functions. [詳解]

int	dump (MGOfstream &) const
	Dump Function. [詳解]

int	restore (MGIfstream &)
	Restore Function. [詳解]

フレンド
MGPosition	operator+ (const MGPosition &p1, const MGVector &vec)
	Translation of the position. [詳解]

MGPosition	operator+ (const MGPosition &p1, const MGPosition &p2)

MGPosition	operator+ (const MGVector &v, const MGPosition &p)

MGVector	operator- (const MGPosition &p1, const MGPosition &p2)
	自身のPositionと与えられたPositionの減算してMGVectorを生成 [詳解]

MGPosition	operator- (const MGPosition &p1, const MGVector &v)
	自身のPositionと与えられたVectorの減算してMGPositionを生成 [詳解]

MGPosition	operator- (const MGVector &v, const MGPosition &p1)
	自身のPositionと与えられたVectorの減算してMGPositionを生成 [詳解]

double	operator% (const MGPosition &p1, const MGVector &v)

MG_DLL_DECLR friend MGPosition	operator* (const MGPosition &p1, const MGMatrix &mat)

MG_DLL_DECLR friend MGPosition	operator* (const MGPosition &p1, const MGTransf &tr)

MGPosition	operator* (double s, const MGPosition &p)

MGPosition	operator* (const MGPosition &p1, double s)
	Scalarの乗算を行いPositionを生成 [詳解]

MGPosition	operator/ (const MGPosition &p1, double s)

MG_DLL_DECLR friend std::ostream &	operator<< (std::ostream &, const MGPosition &)
	Debug Function. [詳解]

MG_DLL_DECLR friend bool	operator== (const MGPosition &p1, const MGPosition &p2)

MG_DLL_DECLR friend bool	operator== (const MGVector &p1, const MGPosition &p2)

MG_DLL_DECLR friend bool	operator== (const MGPosition &p1, const MGVector &p2)

bool	operator!= (const MGPosition &p1, const MGPosition &p2)

bool	operator!= (const MGVector &p1, const MGPosition &p2)

bool	operator!= (const MGPosition &p1, const MGVector &p2)

bool	operator< (const MGPosition &p1, const MGPosition &p2)

bool	operator<= (const MGPosition &p1, const MGPosition &p2)

bool	operator> (const MGPosition &p1, const MGPosition &p2)

bool	operator>= (const MGPosition &p1, const MGPosition &p2)

詳解

Represent a positional data.

構築子と解体子

MGPosition::MGPosition ( const MGPoint & point )

Conversion Constructor from a point.

MGPosition::MGPosition ( const MGVector & vec )

inline

Conversion Constructor from a vector.

MGPosition::MGPosition ( int sdim = 0 )

inlineexplicit

Void constructor void コンストラクタ

MGPosition::MGPosition	(	double	x,
		double	y
	)

inline

Construct 2D position by providing x,y coordinate data.

MGPosition::MGPosition	(	double	x,
		double	y,
		double	z
	)

inline

Construct 3D position by providing x,y,z coordinate data.

MGPosition::MGPosition	(	double	x,
		double	y,
		double	z,
		double	w
	)

inline

Construct 4D position by providing x,y,z,w coordinate data.

MGPosition::MGPosition	(	int	sdim,
		const double *	v
	)

inline

double の配列でcoordinate valueを指定しPositionを生成する。 Construct sdim space dimension positional data providing each coordinate data through doble array. ***** This is the fundamental constructor.*****

MGPosition::MGPosition	(	int	sdim,
		const MGPosition &	p,
		int	start1 = `0`,
		int	start2 = `0`
	)

inline

Construct position by copying old position, changing space dimension and ordering of old coordinates.

MGPosition::MGPosition ( const std::vector< double > & darrays )

inline

Construct from std::vector<double>

関数詳解

double MGPosition::angle	(	const MGPosition &	start,
		const MGPosition &	end,
		const MGVector &	normal
	)		const

Let this be the center of the rotation, then compute the angle rotated around the normal from start to end. angle(start,end,normal)+angle(end,start,normal)=2*pai always holds.

MGPosition& MGPosition::clear ( double init = 0.0 )

Clear all the element by the value init.

MGPosition* MGPosition::clone ( ) const

inline

Construct new surface object by copying to newed area. User must delete this copied object by "delete".

double MGPosition::closest ( const MGCurve & curve ) const

Compute the closest point parameter value of the curve from this point. Function's return value is the parameter value of the curve.

MGPosition MGPosition::closest ( const MGSurface & surf ) const

Compute the closest point parameter value (u,v)of the surface from this point.

const double* MGPosition::data ( ) const

inline

Return the 1st address of the array of the point double data.

double* MGPosition::data ( )

inline

double MGPosition::distance ( const MGPosition & P2 ) const

Return the distance of this and P2.

int MGPosition::dump ( MGOfstream & ) const

Dump Function.

int MGPosition::dump_size ( ) const

Dump Functions.

MGPosition MGPosition::interpolate	(	double	t2,
		const MGPosition &	vec2
	)		const

Generate a Position by interpolating two Position. Input scalar is a ratio t2. When t2 is zero, output position is a copy of the own position. Output=(this)(1-t2)+vec2*t2.

bool MGPosition::is_collinear	(	const MGPosition &	P2,
		const MGPosition &	P3
	)		const

inline

Test if this, P2, and P3 are on a single straight line. Function's return value is true if the three points are on a straight, false if not.

bool MGPosition::is_null ( ) const

inline

Test if this is null.

double MGPosition::len ( ) const

inline

Positionと原点との距離を求める。 Return the lenght between the origin(0,0,0) and the position.

bool MGPosition::on	(	const MGCurve &	curve,
		double &	t
	)		const

点が曲線上にあるかを調べる。曲線上にあれば，そのパラメーター値を，なくても最近傍点のパラメータ値を返す。 Test if the position is on a curve. If on, return the parameter value. Even if not on, return the nearest point of the curve. Function's return value is >0 if the point is on the curve, and 0 if the point is not on the curve.

引数

curve	Curve
t	Parameter value of the nearest point on the curve.

bool MGPosition::on	(	const MGSurface &	surf,
		MGPosition &	uv
	)		const

点が曲面上にあるかを調べる。曲面上にあれば，そのパラメーター値を，なくても最近傍点のパラメータ値を返す。 Test if the position is on a surface. If on, return the parameter value. Even if not on, return the nearest point of the surface. Function's return value is >0 if the point is on the curve, and 0 if the point is not on the curve.

引数

surf	Surface pointer
uv	Parameter value of the nearest point on surface.

double MGPosition::operator() ( int i ) const

inline

double& MGPosition::operator() ( int i )

inline

Access to i-th element.

MGPosition& MGPosition::operator*= ( double scale )

Scalarの乗算を行い自身のPositionとする Scaling of the position.

MGPosition& MGPosition::operator*= ( const MGMatrix & )

MatrixによるPositionの変換を行い自身のPositionとする Matrix transformation of the position.

MGPosition& MGPosition::operator*= ( const MGTransf & )

PositionのTransformを行いPositionを生成して，自身のPositionとする General transformation of the position.

MGPosition& MGPosition::operator+= ( const MGVector & vec )

自身のPositionに与えられたPositionを加算して自身のPositionとする Translation of the position.

MGPosition& MGPosition::operator+= ( const MGPosition & pos )

MGPosition MGPosition::operator- ( ) const

単項マイナス。自身のPositionを反転し、Objectを生成 Unary minus. Negate all of the elements of the position.

MGPosition& MGPosition::operator-= ( const MGVector & vec )

自身のPositionから与えられたVectorを減算し自身のPositionとする Translation of the position.

MGPosition& MGPosition::operator/= ( double )

Scalar除算を行い自身のPositionとする Scaling of the position.

MGPosition& MGPosition::operator= ( const double * a )

Copy constructor MGPosition ( const MGPosition& ); We use default copy constructor. Assignment Update position data by array of double.

double MGPosition::operator[] ( int i ) const

inline

Return i-th element of the position.

int MGPosition::out_to_IGES	(	MGIgesOfstream &	igesfile,
		int	SubordinateEntitySwitch = `0`
	)		const

PD116=Point. Function's return value is the directory entry id created.

double MGPosition::param ( const MGCurve & crv ) const

Return curve's parameter value of this point. If this point is not on the curve, return the nearest point's parameter value on the curve.

MGPosition MGPosition::param ( const MGSurface & srf ) const

Return surface's parameter value of this point. If this point is not on the surface, return the nearest point's parameter value on the surface.

MGCParam_list MGPosition::perps ( const MGCurve & crv ) const

Compute all foot points of the perpendicular line from this point to a curve. ポイントから与曲線へ下ろした垂線の足の，曲線のパラメータ値をすべて求める。

引数

crv Curve

MGPosition_list MGPosition::perps ( const MGSurface & srf ) const

Compute all foot points of the perpendicular line from this point to a surface. ポイントから与曲面へ下ろした垂線の足の，曲面のパラメータ値をすべて求める。

引数

srf Surface

MGVector MGPosition::project ( const MGVector & v2 ) const

inline

自身の点を原点からこの点までのベクトルとしてベクトル(v2)に射影したベクトルを求める。 v2 が零ベクトルのとき(*this)が返る。

double MGPosition::ref ( int i ) const

inline

void MGPosition::resize ( int new_sdim )

inline

Resize the position, that is , change the space dimension. When this is enlarged, the extra space will contain garbages.

int MGPosition::restore ( MGIfstream & )

Restore Function.

int MGPosition::sdim ( ) const

inline

Get the space dimension.

void MGPosition::set_null ( )

inline

Set this as a null position.

void MGPosition::store_at	(	int	i,
		const MGVector &	vec2,
		int	j = `0`
	)

Store vec2 data into *this. Store length is minimum of len() and vec2.len(). Storing will be done rap-around. That is, if id i or j reached to each sdim(), the id will be changed to 0.

引数

i	Displacement of *this.
vec2	Vector 2.
j	Displacement of vec2.

void MGPosition::store_at	(	int	i,
		const MGVector &	vec2,
		int	j,
		int	len
	)

Store vec2 data into *this. Storing will be done rap-around. That is, if id i or j reached to each sdim(), the id will be changed to 0.

引数

i	Displacement of *this.
vec2	Vector 2.
j	Displacement of vec2.
len	Length to store

void MGPosition::swap	(	int	i,
		int	j
	)

inline

swap two coordinates. swap coordinates (i) and (j).

const MGVector& MGPosition::vector ( ) const

inline

フレンドと関連関数の詳解

bool operator!=	(	const MGPosition &	p1,
		const MGPosition &	p2
	)

friend

bool operator!=	(	const MGVector &	p1,
		const MGPosition &	p2
	)

friend

bool operator!=	(	const MGPosition &	p1,
		const MGVector &	p2
	)

friend

double operator%	(	const MGPosition &	p1,
		const MGVector &	v
	)

friend

自身の点と与えられたベクトルの内積を行う Inner product of a osition and a vector.

MG_DLL_DECLR friend MGPosition operator*	(	const MGPosition &	p1,
		const MGMatrix &	mat
	)

friend

MatrixによるPositionの変換を行いObjectを生成 Matrix transformation of the position.

MG_DLL_DECLR friend MGPosition operator*	(	const MGPosition &	p1,
		const MGTransf &	tr
	)

friend

PositionのTransformを行いVectorを生成 General transformation of the position.

MGPosition operator*	(	double	s,
		const MGPosition &	p
	)

friend

PositionのScalar乗算を行いObjectを生成 Scaling of the position.

MGPosition operator*	(	const MGPosition &	p1,
		double	s
	)

friend

Scalarの乗算を行いPositionを生成

MGPosition operator+	(	const MGPosition &	p1,
		const MGVector &	vec
	)

friend

Translation of the position.

MGPosition operator+	(	const MGPosition &	p1,
		const MGPosition &	p2
	)

friend

MGPosition operator+	(	const MGVector &	v,
		const MGPosition &	p
	)

friend

MGVector operator-	(	const MGPosition &	p1,
		const MGPosition &	p2
	)

friend

自身のPositionと与えられたPositionの減算してMGVectorを生成

MGPosition operator-	(	const MGPosition &	p1,
		const MGVector &	v
	)

friend

自身のPositionと与えられたVectorの減算してMGPositionを生成

MGPosition operator-	(	const MGVector &	v,
		const MGPosition &	p1
	)

friend

自身のPositionと与えられたVectorの減算してMGPositionを生成

MGPosition operator/	(	const MGPosition &	p1,
		double	s
	)

friend

Scalar除算を行いObjectを生成 Scaling of the position.

bool operator<	(	const MGPosition &	p1,
		const MGPosition &	p2
	)

friend

Test if this position is less than p2. Comparison depends on two positions' length.

MG_DLL_DECLR friend std::ostream& operator<<	(	std::ostream &	,
		const MGPosition &
	)

friend

Debug Function.

bool operator<=	(	const MGPosition &	p1,
		const MGPosition &	p2
	)

friend

MG_DLL_DECLR friend bool operator==	(	const MGPosition &	p1,
		const MGPosition &	p2
	)

friend

与えられたPositionの成分の値を比較し、同じであれば TRUE を返却 Comparison of two positions.

MG_DLL_DECLR friend bool operator==	(	const MGVector &	p1,
		const MGPosition &	p2
	)

friend

MG_DLL_DECLR friend bool operator==	(	const MGPosition &	p1,
		const MGVector &	p2
	)

friend

bool operator>	(	const MGPosition &	p1,
		const MGPosition &	p2
	)

friend

bool operator>=	(	const MGPosition &	p1,
		const MGPosition &	p2
	)

friend

このクラス詳解は次のファイルから抽出されました:

mg/Position.h

公開メンバ関数

フレンド

詳解

構築子と解体子

関数詳解

フレンドと関連関数の詳解