#include <Geom2d_Line.hxx>
Inheritance diagram for Geom2d_Line:
Public Member Functions | |
Standard_EXPORT | Geom2d_Line (const gp_Ax2d &A) |
Creates a line located in 2D space with the axis placement A. The Location of A is the origin of the line. . | |
Standard_EXPORT | Geom2d_Line (const gp_Lin2d &L) |
Creates a line by conversion of the gp_Lin2d line L. . | |
Standard_EXPORT | Geom2d_Line (const gp_Pnt2d &P, const gp_Dir2d &V) |
Constructs a line passing through point P and parallel to vector V (P and V are, respectively, the origin and the unit vector of the positioning axis of the line). . | |
Standard_EXPORT void | SetLin2d (const gp_Lin2d &L) |
Set <me> so that <me> has the same geometric properties as L. . | |
Standard_EXPORT void | SetDirection (const gp_Dir2d &V) |
changes the direction of the line. | |
Standard_EXPORT const gp_Dir2d & | Direction () const |
changes the direction of the line. | |
Standard_EXPORT void | SetLocation (const gp_Pnt2d &P) |
Changes the "Location" point (origin) of the line. . | |
Standard_EXPORT const gp_Pnt2d & | Location () const |
Changes the "Location" point (origin) of the line. . | |
Standard_EXPORT void | SetPosition (const gp_Ax2d &A) |
Changes the "Location" and a the "Direction" of <me>. . | |
Standard_EXPORT const gp_Ax2d & | Position () const |
Standard_EXPORT gp_Lin2d | Lin2d () const |
Returns non persistent line from gp with the same geometric properties as <me> . | |
Standard_EXPORT void | Reverse () |
Changes the orientation of this line. As a result, the unit vector of the positioning axis of this line is reversed. . | |
Standard_EXPORT Standard_Real | ReversedParameter (const Standard_Real U) const |
Computes the parameter on the reversed line for the point of parameter U on this line. For a line, the returned value is -U. . | |
Standard_EXPORT Standard_Real | FirstParameter () const |
Returns RealFirst from Standard. . | |
Standard_EXPORT Standard_Real | LastParameter () const |
Returns RealLast from Standard . | |
Standard_EXPORT Standard_Boolean | IsClosed () const |
Returns False . | |
Standard_EXPORT Standard_Boolean | IsPeriodic () const |
Returns False . | |
Standard_EXPORT GeomAbs_Shape | Continuity () const |
Returns GeomAbs_CN, which is the global continuity of any line. . | |
Standard_EXPORT Standard_Real | Distance (const gp_Pnt2d &P) const |
Computes the distance between <me> and the point P. . | |
Standard_EXPORT Standard_Boolean | IsCN (const Standard_Integer N) const |
Returns True. . | |
Standard_EXPORT void | D0 (const Standard_Real U, gp_Pnt2d &P) const |
Returns in P the point of parameter U. P (U) = O + U * Dir where O is the "Location" point of the line and Dir the direction of the line. . | |
Standard_EXPORT void | D1 (const Standard_Real U, gp_Pnt2d &P, gp_Vec2d &V1) const |
Returns the point P of parameter u and the first derivative V1. . | |
Standard_EXPORT 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. V2 is a vector with null magnitude for a line. . | |
Standard_EXPORT void | D3 (const Standard_Real U, gp_Pnt2d &P, gp_Vec2d &V1, gp_Vec2d &V2, gp_Vec2d &V3) const |
V2 and V3 are vectors with null magnitude for a line. . | |
Standard_EXPORT gp_Vec2d | DN (const Standard_Real U, const Standard_Integer N) const |
For the point of parameter U of this line, computes the vector corresponding to the Nth derivative. Note: if N is greater than or equal to 2, the result is a vector with null magnitude. Exceptions Standard_RangeError if N is less than 1. . | |
Standard_EXPORT void | Transform (const gp_Trsf2d &T) |
Applies the transformation T to this line. . | |
virtual Standard_EXPORT Standard_Real | TransformedParameter (const Standard_Real U, const gp_Trsf2d &T) const |
Computes the parameter on the line transformed by T for the point of parameter U on this line. For a line, the returned value is equal to U multiplied by the scale factor of transformation T. . | |
virtual Standard_EXPORT Standard_Real | ParametricTransformation (const gp_Trsf2d &T) const |
Returns the coefficient required to compute the parametric transformation of this line when transformation T is applied. This coefficient is the ratio between the parameter of a point on this line and the parameter of the transformed point on the new line transformed by T. For a line, the returned value is the scale factor of the transformation T. . | |
Standard_EXPORT Handle_Geom2d_Geometry | Copy () const |
Creates a new object, which is a copy of this line. . | |
Standard_EXPORT const | Handle (Standard_Type)&DynamicType() const |
Private Attributes | |
gp_Ax2d | pos |
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Implements Geom2d_Curve. |
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Implements Geom2d_Geometry. |
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Implements Geom2d_Curve. |
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Implements Geom2d_Curve. |
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Implements Geom2d_Curve. |
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Implements Geom2d_Curve. |
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Implements Geom2d_Curve. |
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Implements Geom2d_Curve. |
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Reimplemented from Geom2d_Curve. |
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Implements Geom2d_Curve. |
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Implements Geom2d_Curve. |
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Implements Geom2d_Curve. |
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Implements Geom2d_Curve. |
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Reimplemented from Geom2d_Curve. |
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Implements Geom2d_Curve. |
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Implements Geom2d_Curve. |
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Implements Geom2d_Geometry. |
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Reimplemented from Geom2d_Curve. |
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