Public Member Functions |
DEFINE_STANDARD_ALLOC | gp_Lin2d () |
| Creates a Line corresponding to X axis of the
reference coordinate system.
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| gp_Lin2d (const gp_Ax2d &A) |
| Creates a line located with A.
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| gp_Lin2d (const gp_Pnt2d &P, const gp_Dir2d &V) |
| gp_Lin2d (const Standard_Real A, const Standard_Real B, const Standard_Real C) |
| Creates the line from the equation A*X + B*Y + C = 0.0 Raises ConstructionError if Sqrt(A*A + B*B) <= Resolution from gp.
//! Raised if Sqrt(A*A + B*B) <= Resolution from gp.
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void | Reverse () |
gp_Lin2d | Reversed () const |
| Reverses the positioning axis of this line.
Note:
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void | SetDirection (const gp_Dir2d &V) |
| Changes the direction of the line.
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void | SetLocation (const gp_Pnt2d &P) |
| Changes the origin of the line.
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void | SetPosition (const gp_Ax2d &A) |
| Complete redefinition of the line.
The "Location" point of is the origin of the line.
The "Direction" of is the direction of the line.
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void | Coefficients (Standard_Real &A, Standard_Real &B, Standard_Real &C) const |
| Returns the normalized coefficients of the line :
A * X + B * Y + C = 0.
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const gp_Dir2d & | Direction () const |
| Returns the direction of the line.
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const gp_Pnt2d & | Location () const |
| Returns the location point (origin) of the line.
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const gp_Ax2d & | Position () const |
| Returns the axis placement one axis whith the same
location and direction as <me>.
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Standard_Real | Angle (const gp_Lin2d &Other) const |
| Computes the angle between two lines in radians.
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Standard_Boolean | Contains (const gp_Pnt2d &P, const Standard_Real LinearTolerance) const |
| Returns true if this line contains the point P, that is, if the
distance between point P and this line is less than or
equal to LinearTolerance.
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Standard_Real | Distance (const gp_Pnt2d &P) const |
| Computes the distance between <me> and the point.
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Standard_Real | Distance (const gp_Lin2d &Other) const |
| Computes the distance between two lines.
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Standard_Real | SquareDistance (const gp_Pnt2d &P) const |
| Computes the square distance between <me> and the point
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Standard_Real | SquareDistance (const gp_Lin2d &Other) const |
| Computes the square distance between two lines.
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gp_Lin2d | Normal (const gp_Pnt2d &P) const |
| Computes the line normal to the direction of <me>,
passing through the point.
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void | Mirror (const gp_Pnt2d &P) |
gp_Lin2d | Mirrored (const gp_Pnt2d &P) const |
| Performs the symmetrical transformation of a line
with respect to the point.
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void | Mirror (const gp_Ax2d &A) |
gp_Lin2d | Mirrored (const gp_Ax2d &A) const |
| Performs the symmetrical transformation of a line
with respect to an axis placement which is the axis
of the symmetry.
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void | Rotate (const gp_Pnt2d &P, const Standard_Real Ang) |
gp_Lin2d | Rotated (const gp_Pnt2d &P, const Standard_Real Ang) const |
| Rotates a line. P is the center of the rotation.
Ang is the angular value of the rotation in radians.
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void | Scale (const gp_Pnt2d &P, const Standard_Real S) |
gp_Lin2d | Scaled (const gp_Pnt2d &P, const Standard_Real S) const |
| Scales a line. S is the scaling value. Only the
origin of the line is modified.
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void | Transform (const gp_Trsf2d &T) |
gp_Lin2d | Transformed (const gp_Trsf2d &T) const |
| Transforms a line with the transformation T from class Trsf2d.
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void | Translate (const gp_Vec2d &V) |
gp_Lin2d | Translated (const gp_Vec2d &V) const |
| Translates a line in the direction of the vector V.
The magnitude of the translation is the vector's magnitude.
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void | Translate (const gp_Pnt2d &P1, const gp_Pnt2d &P2) |
gp_Lin2d | Translated (const gp_Pnt2d &P1, const gp_Pnt2d &P2) const |
| Translates a line from the point P1 to the point P2.
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const gp_Ax2d & | _CSFDB_Getgp_Lin2dpos () const |