Public Member Functions |
DEFINE_STANDARD_ALLOC | gp_XY () |
| Creates XY object with zero coordinates (0,0).
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| gp_XY (const Standard_Real X, const Standard_Real Y) |
| a number pair defined by the XY coordinates
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void | SetCoord (const Standard_Integer Index, const Standard_Real Xi) |
| modifies the coordinate of range Index
Index = 1 => X is modified
Index = 2 => Y is modified
Raises OutOfRange if Index != {1, 2}.
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void | SetCoord (const Standard_Real X, const Standard_Real Y) |
| For this number pair, assigns
the values X and Y to its coordinates
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void | SetX (const Standard_Real X) |
| Assigns the given value to the X coordinate of this number pair.
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void | SetY (const Standard_Real Y) |
| Assigns the given value to the Y coordinate of this number pair.
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Standard_Real | Coord (const Standard_Integer Index) const |
| returns the coordinate of range Index :
Index = 1 => X is returned
Index = 2 => Y is returned
Raises OutOfRange if Index != {1, 2}.
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void | Coord (Standard_Real &X, Standard_Real &Y) const |
| For this number pair, returns its coordinates X and Y.
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Standard_Real | X () const |
| Returns the X coordinate of this number pair.
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Standard_Real | Y () const |
| Returns the Y coordinate of this number pair.
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Standard_Real | Modulus () const |
| Computes Sqrt (X*X + Y*Y) where X and Y are the two coordinates of this number pair.
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Standard_Real | SquareModulus () const |
| Computes X*X + Y*Y where X and Y are the two coordinates of this number pair.
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Standard_Boolean | IsEqual (const gp_XY &Other, const Standard_Real Tolerance) const |
| Returns true if the coordinates of this number pair are
equal to the respective coordinates of the number pair
Other, within the specified tolerance Tolerance. I.e.:
abs(<me>.X() - Other.X()) <= Tolerance and
abs(<me>.Y() - Other.Y()) <= Tolerance and
//! computations
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void | Add (const gp_XY &Other) |
| Computes the sum of this number pair and number pair Other
<me>.X() = <me>.X() + Other.X()
<me>.Y() = <me>.Y() + Other.Y()
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void | operator+= (const gp_XY &Other) |
gp_XY | Added (const gp_XY &Other) const |
| Computes the sum of this number pair and number pair Other
new.X() = <me>.X() + Other.X()
new.Y() = <me>.Y() + Other.Y()
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gp_XY | operator+ (const gp_XY &Other) const |
Standard_Real | Crossed (const gp_XY &Right) const |
| Real D = <me>.X() * Other.Y() - <me>.Y() * Other.X()
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Standard_Real | operator^ (const gp_XY &Right) const |
Standard_Real | CrossMagnitude (const gp_XY &Right) const |
| computes the magnitude of the cross product between <me> and
Right. Returns || <me> ^ Right ||
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Standard_Real | CrossSquareMagnitude (const gp_XY &Right) const |
| computes the square magnitude of the cross product between <me> and
Right. Returns || <me> ^ Right ||**2
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void | Divide (const Standard_Real Scalar) |
| divides <me> by a real.
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void | operator/= (const Standard_Real Scalar) |
gp_XY | Divided (const Standard_Real Scalar) const |
| Divides <me> by a real.
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gp_XY | operator/ (const Standard_Real Scalar) const |
Standard_Real | Dot (const gp_XY &Other) const |
| Computes the scalar product between <me> and Other
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Standard_Real | operator* (const gp_XY &Other) const |
void | Multiply (const Standard_Real Scalar) |
| <me>.X() = <me>.X() * Scalar;
<me>.Y() = <me>.Y() * Scalar;
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void | operator*= (const Standard_Real Scalar) |
void | Multiply (const gp_XY &Other) |
| <me>.X() = <me>.X() * Other.X();
<me>.Y() = <me>.Y() * Other.Y();
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void | operator*= (const gp_XY &Other) |
void | Multiply (const gp_Mat2d &Matrix) |
| <me> = Matrix * <me>
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void | operator*= (const gp_Mat2d &Matrix) |
gp_XY | Multiplied (const Standard_Real Scalar) const |
| New.X() = <me>.X() * Scalar;
New.Y() = <me>.Y() * Scalar;
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gp_XY | operator* (const Standard_Real Scalar) const |
gp_XY | Multiplied (const gp_XY &Other) const |
| new.X() = <me>.X() * Other.X();
new.Y() = <me>.Y() * Other.Y();
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gp_XY | Multiplied (const gp_Mat2d &Matrix) const |
| New = Matrix * <me>
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gp_XY | operator* (const gp_Mat2d &Matrix) const |
void | Normalize () |
| <me>.X() = <me>.X()/ <me>.Modulus()
<me>.Y() = <me>.Y()/ <me>.Modulus()
Raises ConstructionError if <me>.Modulus() <= Resolution from gp
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gp_XY | Normalized () const |
| New.X() = <me>.X()/ <me>.Modulus()
New.Y() = <me>.Y()/ <me>.Modulus()
Raises ConstructionError if <me>.Modulus() <= Resolution from gp
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void | Reverse () |
| <me>.X() = -<me>.X()
<me>.Y() = -<me>.Y()
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gp_XY | Reversed () const |
| New.X() = -<me>.X()
New.Y() = -<me>.Y()
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gp_XY | operator- () const |
void | SetLinearForm (const Standard_Real A1, const gp_XY &XY1, const Standard_Real A2, const gp_XY &XY2) |
| Computes the following linear combination and
assigns the result to this number pair:
A1 * XY1 + A2 * XY2
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void | SetLinearForm (const Standard_Real A1, const gp_XY &XY1, const Standard_Real A2, const gp_XY &XY2, const gp_XY &XY3) |
| -- Computes the following linear combination and
assigns the result to this number pair:
A1 * XY1 + A2 * XY2 + XY3
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void | SetLinearForm (const Standard_Real A1, const gp_XY &XY1, const gp_XY &XY2) |
| Computes the following linear combination and
assigns the result to this number pair:
A1 * XY1 + XY2
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void | SetLinearForm (const gp_XY &XY1, const gp_XY &XY2) |
| Computes the following linear combination and
assigns the result to this number pair:
XY1 + XY2
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void | Subtract (const gp_XY &Right) |
| <me>.X() = <me>.X() - Other.X()
<me>.Y() = <me>.Y() - Other.Y()
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void | operator-= (const gp_XY &Right) |
gp_XY | Subtracted (const gp_XY &Right) const |
| new.X() = <me>.X() - Other.X()
new.Y() = <me>.Y() - Other.Y()
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gp_XY | operator- (const gp_XY &Right) const |
Standard_Real | _CSFDB_Getgp_XYx () const |
void | _CSFDB_Setgp_XYx (const Standard_Real p) |
Standard_Real | _CSFDB_Getgp_XYy () const |
void | _CSFDB_Setgp_XYy (const Standard_Real p) |