Part: Geometry - function to get the conic axis direction

src/Mod/Part/App/Geometry.cpp

@@ -1796,6 +1796,14 @@ void GeomConic::setCenter(const Base::Vector3d& Center)
     }
 }
 
+Base::Vector3d GeomConic::getAxisDirection(void) const
+{
+    Handle(Geom_Conic) conic =  Handle(Geom_Conic)::DownCast(handle());
+    gp_Ax1 axis = conic->Axis();
+    const gp_Dir& dir = axis.Direction();
+    return Base::Vector3d( dir.X(),dir.Y(),dir.Z());
+}
+
 /*!
  * \brief GeomConic::getAngleXU
  * \return The angle between ellipse's major axis (in direction to focus1) and
@@ -2045,6 +2053,15 @@ void GeomArcOfConic::setLocation(const Base::Vector3d& Center)
     }
 }
 
+Base::Vector3d GeomArcOfConic::getAxisDirection(void) const
+{
+    Handle(Geom_TrimmedCurve) curve =  Handle(Geom_TrimmedCurve)::DownCast(handle());
+    Handle(Geom_Conic) conic = Handle(Geom_Conic)::DownCast(curve->BasisCurve());
+    gp_Ax1 axis = conic->Axis();
+    const gp_Dir& dir = axis.Direction();
+    return Base::Vector3d( dir.X(),dir.Y(),dir.Z());
+}
+
 /*!
  * \brief GeomArcOfConic::isReversed
  * \return tests if an arc that lies in XY plane is reversed (i.e. drawn from

src/Mod/Part/App/Geometry.h

@@ -376,6 +376,8 @@ public:
     void setAngleXU(double angle);
     bool isReversed() const;
 
+    Base::Vector3d getAxisDirection(void) const;
+
     virtual unsigned int getMemSize(void) const = 0;
     virtual PyObject *getPyObject(void) = 0;
 
@@ -443,6 +445,8 @@ public:
      */
     void setCenter(const Base::Vector3d& Center);
 
+    Base::Vector3d getAxisDirection(void) const;
+
     virtual void getRange(double& u, double& v, bool emulateCCWXY) const = 0;
     virtual void setRange(double u, double v, bool emulateCCWXY) = 0;