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[occt.git] / src / StlMesh / StlMesh_Mesh.hxx

// Created on: 1995-09-21
// Created by: Philippe GIRODENGO
// Copyright (c) 1995-1999 Matra Datavision
// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.

#ifndef _StlMesh_Mesh_HeaderFile
#define _StlMesh_Mesh_HeaderFile

#include <Standard.hxx>
#include <Standard_Type.hxx>

#include <Standard_Integer.hxx>
#include <StlMesh_SequenceOfMeshDomain.hxx>
#include <gp_XYZ.hxx>
#include <Standard_Transient.hxx>
#include <Standard_Real.hxx>
#include <Standard_Boolean.hxx>
#include <StlMesh_SequenceOfMeshTriangle.hxx>
#include <TColgp_SequenceOfXYZ.hxx>
class Standard_NegativeValue;
class Standard_NullValue;
class Standard_NoSuchObject;
class gp_XYZ;


class StlMesh_Mesh;
DEFINE_STANDARD_HANDLE(StlMesh_Mesh, Standard_Transient)

//! Mesh definition.  The mesh contains one or several
//! domains. Each  mesh   domain  contains a  set   of
//! triangles. Each domain can have its own deflection
//! value.
class StlMesh_Mesh : public Standard_Transient
{

public:

  
  //! Creates an empty mesh.
  Standard_EXPORT StlMesh_Mesh();
  
  //! Adds a   new mesh domain.  The  mesh deflection is
  //! defaulted to Confusion from package Precision.
  Standard_EXPORT virtual void AddDomain();
  
  //! Adds a new mesh domain.
  //! Raised if the deflection is lower than zero
  //! Raised if  the deflection is lower  than Confusion
  //! from package Precision
  Standard_EXPORT virtual void AddDomain (const Standard_Real Deflection);
  
  //! Build a triangle with the triplet of vertices (V1,
  //! V2, V3).  This triplet defines  the indexes of the
  //! vertex in the  current domain The coordinates  Xn,
  //! Yn,  Zn  defines   the normal  direction   to  the
  //! triangle.  Returns  the  range of  the triangle in
  //! the current domain.
  Standard_EXPORT virtual Standard_Integer AddTriangle (const Standard_Integer V1, const Standard_Integer V2, const Standard_Integer V3, const Standard_Real Xn, const Standard_Real Yn, const Standard_Real Zn);
  
  //! Returns the  range  of the  vertex in the  current
  //! domain.
  Standard_EXPORT virtual Standard_Integer AddVertex (const Standard_Real X, const Standard_Real Y, const Standard_Real Z);
  
  //! Returns  the range of   the vertex in  the current
  //! domain.  The current vertex is not inserted in the
  //! mesh if it already exist.
  Standard_EXPORT virtual Standard_Integer AddOnlyNewVertex (const Standard_Real X, const Standard_Real Y, const Standard_Real Z);
  
  //! Each  vertex of  the  mesh verifies  the following
  //! relations :
  //! XYZMin.X() <= X <= XYZMax.X()
  //! XYZMin.Y() <= Y <= XYZMax.y()
  //! XYZMin.Z() <= Z <= XYZMax.Z()
  Standard_EXPORT virtual void Bounds (gp_XYZ& XYZmax, gp_XYZ& XYZmin) const;
  
  Standard_EXPORT virtual void Clear();
  
  //! Returns the deflection of the mesh of the domain
  //! of range <DomainIndex>.
  //! Raised if <DomainIndex> is lower than 1 or greater
  //! than the number of domains.
  Standard_EXPORT virtual Standard_Real Deflection (const Standard_Integer DomainIndex) const;
  
    virtual Standard_Boolean IsEmpty() const;
  
  //! Number of domains in the mesh.
    virtual Standard_Integer NbDomains() const;
  
  //! Cumulative Number of triangles in the mesh.
    Standard_Integer NbTriangles() const;
  
  //! Number of  triangles   in  the  domain   of  range
  //! <DomainIndex>.
  //! Raised if <DomainIndex> is lower than 1 or greater
  //! than the number of domains.
  Standard_EXPORT virtual Standard_Integer NbTriangles (const Standard_Integer DomainIndex) const;
  
  //! Cumulative Number of vertices in the mesh.
    virtual Standard_Integer NbVertices() const;
  
  //! Number of vertices in the domain of range
  //! <DomainIndex>.
  //! Raised if <DomainIndex> is lower than 1 or greater
  //! than the number of domains.
  Standard_EXPORT virtual Standard_Integer NbVertices (const Standard_Integer DomainIndex) const;
  
  //! Returns the set of triangle   of   the  mesh domain   of   range
  //! <DomainIndex>.
  //! Raised if <DomainIndex> is lower than 1 or greater
  //! than the number of domains.
  Standard_EXPORT virtual const StlMesh_SequenceOfMeshTriangle& Triangles (const Standard_Integer DomainIndex = 1) const;
  
  //! Returns  the coordinates   of the  vertices of the
  //! mesh domain   of range <DomainIndex>.   {XV1, YV1,
  //! ZV1, XV2, YV2, ZV2, XV3,.....}
  //! Raised if <DomainIndex> is lower than 1 or greater
  //! than the number of domains.
  Standard_EXPORT virtual const TColgp_SequenceOfXYZ& Vertices (const Standard_Integer DomainIndex = 1) const;




  DEFINE_STANDARD_RTTIEXT(StlMesh_Mesh,Standard_Transient)

protected:


  Standard_Integer nbTriangles;
  Standard_Integer nbVertices;
  StlMesh_SequenceOfMeshDomain domains;
  gp_XYZ xyzmax;
  gp_XYZ xyzmin;


private:




};


#include <StlMesh_Mesh.lxx>





#endif // _StlMesh_Mesh_HeaderFile