liboce-foundation-dev 0.17.2-2 / usr / include / oce / Poly.hxx

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// This file is generated by WOK (CPPExt).
// Please do not edit this file; modify original file instead.
// The copyright and license terms as defined for the original file apply to 
// this header file considered to be the "object code" form of the original source.

#ifndef _Poly_HeaderFile
#define _Poly_HeaderFile

#include <Standard.hxx>
#include <Standard_DefineAlloc.hxx>
#include <Standard_Macro.hxx>

#include <Handle_Poly_Triangulation.hxx>
#include <Poly_ListOfTriangulation.hxx>
#include <Standard_OStream.hxx>
#include <Standard_Boolean.hxx>
#include <Handle_Poly_Polygon3D.hxx>
#include <Handle_Poly_Polygon2D.hxx>
#include <Standard_IStream.hxx>
#include <Standard_Real.hxx>
class Poly_Triangulation;
class Poly_Polygon3D;
class Poly_Polygon2D;
class gp_XY;
class Poly_Triangle;
class Poly_Array1OfTriangle;
class Poly_HArray1OfTriangle;
class Poly_Triangulation;
class Poly_Polygon3D;
class Poly_Polygon2D;
class Poly_PolygonOnTriangulation;
class Poly_Connect;


//! This  package  provides  classes  and services  to
//! handle :
//!
//! * 3D triangular polyhedrons.
//!
//! * 3D polygons.
//!
//! * 2D polygon.
//!
//! * Tools to dump, save and restore those objects.
class Poly 
{
public:

  DEFINE_STANDARD_ALLOC

  
  //! Computes and  stores  the    link from   nodes  to
  //! triangles     and from triangles to   neighbouring
  //! triangles.
  //! This tool is obsolete, replaced by Poly_CoherentTriangulation
  //! Algorithm to make minimal loops in a graph
  //! Join several triangulations to one new triangulation object.
  //! The new triangulation is just a mechanical sum of input
  //! triangulations, without node sharing. UV coordinates are
  //! dropped in the result.
  Standard_EXPORT static   Handle(Poly_Triangulation) Catenate (const Poly_ListOfTriangulation& lstTri) ;
  
  //! Writes the content of the triangulation <T> on the
  //! stream <OS>. If <Compact> is true this is a "save"
  //! format  intended  to  be read back   with the Read
  //! method. If compact is False  it is a "Dump" format
  //! intended to be informative.
  Standard_EXPORT static   void Write (const Handle(Poly_Triangulation)& T, Standard_OStream& OS, const Standard_Boolean Compact = Standard_True) ;
  
  //! Writes  the  content  of the 3D polygon <P> on the
  //! stream <OS>. If <Compact> is true this is a "save"
  //! format  intended  to  be read back   with the Read
  //! method. If compact is False  it is a "Dump" format
  //! intended to be informative.
  Standard_EXPORT static   void Write (const Handle(Poly_Polygon3D)& P, Standard_OStream& OS, const Standard_Boolean Compact = Standard_True) ;
  
  //! Writes the  content  of the 2D polygon  <P> on the
  //! stream <OS>. If <Compact> is true this is a "save"
  //! format  intended  to  be read back   with the Read
  //! method. If compact is False  it is a "Dump" format
  //! intended to be informative.
  Standard_EXPORT static   void Write (const Handle(Poly_Polygon2D)& P, Standard_OStream& OS, const Standard_Boolean Compact = Standard_True) ;
  
  //! Dumps  the triangulation.  This   is a call to  the
  //! previous method with Comapct set to False.
  Standard_EXPORT static   void Dump (const Handle(Poly_Triangulation)& T, Standard_OStream& OS) ;
  
  //! Dumps  the  3D  polygon.  This   is a call to  the
  //! previous method with Comapct set to False.
  Standard_EXPORT static   void Dump (const Handle(Poly_Polygon3D)& P, Standard_OStream& OS) ;
  
  //! Dumps  the  2D  polygon.  This   is a call to  the
  //! previous method with Comapct set to False.
  Standard_EXPORT static   void Dump (const Handle(Poly_Polygon2D)& P, Standard_OStream& OS) ;
  
  //! Reads a triangulation from the stream <IS>.
  Standard_EXPORT static   Handle(Poly_Triangulation) ReadTriangulation (Standard_IStream& IS) ;
  
  //! Reads a 3d polygon from the stream <IS>.
  Standard_EXPORT static   Handle(Poly_Polygon3D) ReadPolygon3D (Standard_IStream& IS) ;
  
  //! Reads a 2D polygon from the stream <IS>.
  Standard_EXPORT static   Handle(Poly_Polygon2D) ReadPolygon2D (Standard_IStream& IS) ;
  
  //! Compute node normals for face triangulation
  //! as mean normal of surrounding triangles
  Standard_EXPORT static   void ComputeNormals (const Handle(Poly_Triangulation)& Tri) ;
  
  //! Computes parameters of the point P on triangle
  //! defined by points P1, P2, and P3, in 2d.
  //! The parameters U and V are defined so that
  //! P = P1 + U * (P2 - P1) + V * (P3 - P1),
  //! with U >= 0, V >= 0, U + V <= 1.
  //! If P is located outside of triangle, or triangle
  //! is degenerated, the returned parameters correspond
  //! to closest point, and returned value is square of
  //! the distance from original point to triangle (0 if
  //! point is inside).
  Standard_EXPORT static   Standard_Real PointOnTriangle (const gp_XY& P1, const gp_XY& P2, const gp_XY& P3, const gp_XY& P, gp_XY& UV) ;




protected:





private:




friend class Poly_Triangle;
friend class Poly_Array1OfTriangle;
friend class Poly_HArray1OfTriangle;
friend class Poly_Triangulation;
friend class Poly_Polygon3D;
friend class Poly_Polygon2D;
friend class Poly_PolygonOnTriangulation;
friend class Poly_Connect;

};







#endif // _Poly_HeaderFile

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