#ifndef _gp_Sphere_HeaderFile
#define _gp_Sphere_HeaderFile
-#include <Standard.hxx>
-#include <Standard_DefineAlloc.hxx>
-#include <Standard_Handle.hxx>
-
-#include <gp_Ax3.hxx>
-#include <Standard_Real.hxx>
-#include <Standard_Boolean.hxx>
#include <gp_Ax1.hxx>
-class Standard_ConstructionError;
-class gp_Ax3;
-class gp_Pnt;
-class gp_Ax1;
-class gp_Ax2;
-class gp_Trsf;
-class gp_Vec;
-
-
+#include <gp_Ax3.hxx>
+#include <Standard_ConstructionError.hxx>
//! Describes a sphere.
//! A sphere is defined by its radius and positioned in space
DEFINE_STANDARD_ALLOC
-
//! Creates an indefinite sphere.
- gp_Sphere();
-
+ gp_Sphere()
+ : radius (RealLast())
+ {}
- //! Constructs a sphere with radius Radius, centered on the origin
- //! of A3. A3 is the local coordinate system of the sphere.
+ //! Constructs a sphere with radius theRadius, centered on the origin
+ //! of theA3. theA3 is the local coordinate system of the sphere.
//! Warnings :
//! It is not forbidden to create a sphere with null radius.
- //! Raises ConstructionError if Radius < 0.0
- gp_Sphere(const gp_Ax3& A3, const Standard_Real Radius);
-
+ //! Raises ConstructionError if theRadius < 0.0
+ gp_Sphere (const gp_Ax3& theA3, const Standard_Real theRadius)
+ : pos (theA3),
+ radius (theRadius)
+ {
+ Standard_ConstructionError_Raise_if (theRadius < 0.0, "gp_Sphere() - radius should be >= 0");
+ }
+
//! Changes the center of the sphere.
- void SetLocation (const gp_Pnt& Loc);
-
+ void SetLocation (const gp_Pnt& theLoc) { pos.SetLocation (theLoc); }
+
//! Changes the local coordinate system of the sphere.
- void SetPosition (const gp_Ax3& A3);
-
- //! Assigns R the radius of the Sphere.
+ void SetPosition (const gp_Ax3& theA3) { pos = theA3; }
+
+ //! Assigns theR the radius of the Sphere.
//! Warnings :
//! It is not forbidden to create a sphere with null radius.
- //! Raises ConstructionError if R < 0.0
- void SetRadius (const Standard_Real R);
-
+ //! Raises ConstructionError if theR < 0.0
+ void SetRadius (const Standard_Real theR)
+ {
+ Standard_ConstructionError_Raise_if (theR < 0.0, "gp_Sphere::SetRadius() - radius should be >= 0");
+ radius = theR;
+ }
//! Computes the area of the sphere.
- Standard_Real Area() const;
-
+ Standard_Real Area() const
+ {
+ return 4.0 * M_PI * radius * radius;
+ }
//! Computes the coefficients of the implicit equation of the quadric
//! in the absolute cartesian coordinates system :
//! @code
- //! A1.X**2 + A2.Y**2 + A3.Z**2 + 2.(B1.X.Y + B2.X.Z + B3.Y.Z) +
- //! 2.(C1.X + C2.Y + C3.Z) + D = 0.0
+ //! theA1.X**2 + theA2.Y**2 + theA3.Z**2 + 2.(theB1.X.Y + theB2.X.Z + theB3.Y.Z) +
+ //! 2.(theC1.X + theC2.Y + theC3.Z) + theD = 0.0
//! @endcode
- Standard_EXPORT void Coefficients (Standard_Real& A1, Standard_Real& A2, Standard_Real& A3, Standard_Real& B1, Standard_Real& B2, Standard_Real& B3, Standard_Real& C1, Standard_Real& C2, Standard_Real& C3, Standard_Real& D) const;
-
+ Standard_EXPORT void Coefficients (Standard_Real& theA1, Standard_Real& theA2, Standard_Real& theA3,
+ Standard_Real& theB1, Standard_Real& theB2, Standard_Real& theB3,
+ Standard_Real& theC1, Standard_Real& theC2, Standard_Real& theC3, Standard_Real& theD) const;
+
//! Reverses the U parametrization of the sphere
//! reversing the YAxis.
- void UReverse();
-
+ void UReverse() { pos.YReverse(); }
+
//! Reverses the V parametrization of the sphere
//! reversing the ZAxis.
- void VReverse();
-
+ void VReverse() { pos.ZReverse(); }
+
//! Returns true if the local coordinate system of this sphere
//! is right-handed.
- Standard_Boolean Direct() const;
-
+ Standard_Boolean Direct() const { return pos.Direct(); }
+
//! --- Purpose ;
//! Returns the center of the sphere.
- const gp_Pnt& Location() const;
-
+ const gp_Pnt& Location() const { return pos.Location(); }
//! Returns the local coordinates system of the sphere.
- const gp_Ax3& Position() const;
-
+ const gp_Ax3& Position() const { return pos; }
+
//! Returns the radius of the sphere.
- Standard_Real Radius() const;
-
+ Standard_Real Radius() const { return radius; }
+
//! Computes the volume of the sphere
- Standard_Real Volume() const;
-
+ Standard_Real Volume() const
+ {
+ return (4.0 * M_PI * radius * radius * radius) / 3.0;
+ }
+
//! Returns the axis X of the sphere.
- gp_Ax1 XAxis() const;
-
+ gp_Ax1 XAxis() const
+ {
+ return gp_Ax1 (pos.Location(), pos.XDirection());
+ }
+
//! Returns the axis Y of the sphere.
- gp_Ax1 YAxis() const;
-
- Standard_EXPORT void Mirror (const gp_Pnt& P);
-
+ gp_Ax1 YAxis() const
+ {
+ return gp_Ax1 (pos.Location(), pos.YDirection());
+ }
+
+ Standard_EXPORT void Mirror (const gp_Pnt& theP);
//! Performs the symmetrical transformation of a sphere
- //! with respect to the point P which is the center of the
+ //! with respect to the point theP which is the center of the
//! symmetry.
- Standard_NODISCARD Standard_EXPORT gp_Sphere Mirrored (const gp_Pnt& P) const;
-
- Standard_EXPORT void Mirror (const gp_Ax1& A1);
-
+ Standard_NODISCARD Standard_EXPORT gp_Sphere Mirrored (const gp_Pnt& theP) const;
+
+ Standard_EXPORT void Mirror (const gp_Ax1& theA1);
//! Performs the symmetrical transformation of a sphere with
//! respect to an axis placement which is the axis of the
//! symmetry.
- Standard_NODISCARD Standard_EXPORT gp_Sphere Mirrored (const gp_Ax1& A1) const;
-
- Standard_EXPORT void Mirror (const gp_Ax2& A2);
-
+ Standard_NODISCARD Standard_EXPORT gp_Sphere Mirrored (const gp_Ax1& theA1) const;
+
+ Standard_EXPORT void Mirror (const gp_Ax2& theA2);
//! Performs the symmetrical transformation of a sphere with respect
- //! to a plane. The axis placement A2 locates the plane of the
+ //! to a plane. The axis placement theA2 locates the plane of the
//! of the symmetry : (Location, XDirection, YDirection).
- Standard_NODISCARD Standard_EXPORT gp_Sphere Mirrored (const gp_Ax2& A2) const;
-
- void Rotate (const gp_Ax1& A1, const Standard_Real Ang);
-
-
- //! Rotates a sphere. A1 is the axis of the rotation.
- //! Ang is the angular value of the rotation in radians.
- Standard_NODISCARD gp_Sphere Rotated (const gp_Ax1& A1, const Standard_Real Ang) const;
-
- void Scale (const gp_Pnt& P, const Standard_Real S);
-
-
- //! Scales a sphere. S is the scaling value.
- //! The absolute value of S is used to scale the sphere
- Standard_NODISCARD gp_Sphere Scaled (const gp_Pnt& P, const Standard_Real S) const;
-
- void Transform (const gp_Trsf& T);
-
-
- //! Transforms a sphere with the transformation T from class Trsf.
- Standard_NODISCARD gp_Sphere Transformed (const gp_Trsf& T) const;
-
- void Translate (const gp_Vec& V);
-
-
- //! Translates a sphere in the direction of the vector V.
- //! The magnitude of the translation is the vector's magnitude.
- Standard_NODISCARD gp_Sphere Translated (const gp_Vec& V) const;
-
- void Translate (const gp_Pnt& P1, const gp_Pnt& P2);
-
+ Standard_NODISCARD Standard_EXPORT gp_Sphere Mirrored (const gp_Ax2& theA2) const;
- //! Translates a sphere from the point P1 to the point P2.
- Standard_NODISCARD gp_Sphere Translated (const gp_Pnt& P1, const gp_Pnt& P2) const;
+ void Rotate (const gp_Ax1& theA1, const Standard_Real theAng) { pos.Rotate (theA1, theAng); }
+ //! Rotates a sphere. theA1 is the axis of the rotation.
+ //! theAng is the angular value of the rotation in radians.
+ Standard_NODISCARD gp_Sphere Rotated (const gp_Ax1& theA1, const Standard_Real theAng) const
+ {
+ gp_Sphere aC = *this;
+ aC.pos.Rotate (theA1, theAng);
+ return aC;
+ }
+ void Scale (const gp_Pnt& theP, const Standard_Real theS);
+ //! Scales a sphere. theS is the scaling value.
+ //! The absolute value of S is used to scale the sphere
+ Standard_NODISCARD gp_Sphere Scaled (const gp_Pnt& theP, const Standard_Real theS) const;
-protected:
-
+ void Transform (const gp_Trsf& theT);
+ //! Transforms a sphere with the transformation theT from class Trsf.
+ Standard_NODISCARD gp_Sphere Transformed (const gp_Trsf& theT) const;
+ void Translate (const gp_Vec& theV) { pos.Translate (theV); }
+ //! Translates a sphere in the direction of the vector theV.
+ //! The magnitude of the translation is the vector's magnitude.
+ Standard_NODISCARD gp_Sphere Translated (const gp_Vec& theV) const
+ {
+ gp_Sphere aC = *this;
+ aC.pos.Translate (theV);
+ return aC;
+ }
+
+ void Translate (const gp_Pnt& theP1, const gp_Pnt& theP2) { pos.Translate (theP1, theP2); }
+
+ //! Translates a sphere from the point theP1 to the point theP2.
+ Standard_NODISCARD gp_Sphere Translated (const gp_Pnt& theP1, const gp_Pnt& theP2) const
+ {
+ gp_Sphere aC = *this;
+ aC.pos.Translate (theP1, theP2);
+ return aC;
+ }
private:
-
-
gp_Ax3 pos;
Standard_Real radius;
-
};
-
-#include <gp_Sphere.lxx>
-
-
-
-
+//=======================================================================
+//function : Scale
+// purpose :
+//=======================================================================
+inline void gp_Sphere::Scale (const gp_Pnt& theP, const Standard_Real theS)
+{
+ pos.Scale (theP, theS);
+ radius *= theS;
+ if (radius < 0)
+ {
+ radius = -radius;
+ }
+}
+
+//=======================================================================
+//function : Scaled
+// purpose :
+//=======================================================================
+inline gp_Sphere gp_Sphere::Scaled (const gp_Pnt& theP, const Standard_Real theS) const
+{
+ gp_Sphere aC = *this;
+ aC.pos.Scale (theP, theS);
+ aC.radius *= theS;
+ if (aC.radius < 0)
+ {
+ aC.radius = -aC.radius;
+ }
+ return aC;
+}
+
+//=======================================================================
+//function : Transform
+// purpose :
+//=======================================================================
+inline void gp_Sphere::Transform (const gp_Trsf& theT)
+{
+ pos.Transform(theT);
+ radius *= theT.ScaleFactor();
+ if (radius < 0)
+ {
+ radius = -radius;
+ }
+}
+
+//=======================================================================
+//function : Transformed
+// purpose :
+//=======================================================================
+inline gp_Sphere gp_Sphere::Transformed (const gp_Trsf& theT) const
+{
+ gp_Sphere aC = *this;
+ aC.pos.Transform (theT);
+ aC.radius *= theT.ScaleFactor();
+ if (aC.radius < 0)
+ {
+ aC.radius = -aC.radius;
+ }
+ return aC;
+}
#endif // _gp_Sphere_HeaderFile
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