smesh/src/StdMeshers/StdMeshers_FaceSide.hxx

483 lines
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C++

// Copyright (C) 2007-2016 CEA/DEN, EDF R&D, OPEN CASCADE
//
// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
// File : StdMeshers_FaceSide.hxx
// Created : Wed Jan 31 18:41:25 2007
// Author : Edward AGAPOV (eap)
// Module : SMESH
//
#ifndef StdMeshers_FaceSide_HeaderFile
#define StdMeshers_FaceSide_HeaderFile
#include "SMESH_StdMeshers.hxx"
#include "SMESH_ProxyMesh.hxx"
#include <Geom2d_Curve.hxx>
#include <GeomAdaptor_Curve.hxx>
#include <TopoDS_Edge.hxx>
#include <TopoDS_Face.hxx>
#include <TopoDS_Vertex.hxx>
#include <gp_Pnt2d.hxx>
#include <vector>
#include <list>
#include <boost/shared_ptr.hpp>
class SMDS_MeshNode;
class SMESH_Mesh;
class Adaptor2d_Curve2d;
class Adaptor3d_Curve;
class BRepAdaptor_CompCurve;
struct SMESH_ComputeError;
class StdMeshers_FaceSide;
typedef boost::shared_ptr< SMESH_ComputeError > TError;
typedef boost::shared_ptr< StdMeshers_FaceSide > StdMeshers_FaceSidePtr;
typedef std::vector< StdMeshers_FaceSidePtr > TSideVector;
//================================================================================
/*!
* \brief Represents a side of a quasi quadrilateral face.
* It can be composed of several edges. Gives access to geometry and 1D mesh of a side.
*/
//================================================================================
class STDMESHERS_EXPORT StdMeshers_FaceSide
{
public:
/*!
* \brief Wrap one edge
*/
StdMeshers_FaceSide(const TopoDS_Face& theFace,
const TopoDS_Edge& theEdge,
SMESH_Mesh* theMesh,
const bool theIsForward,
const bool theIgnoreMediumNodes,
SMESH_ProxyMesh::Ptr theProxyMesh = SMESH_ProxyMesh::Ptr());
/*!
* \brief Wrap several edges. Edges must be properly ordered and oriented.
*/
StdMeshers_FaceSide(const TopoDS_Face& theFace,
std::list<TopoDS_Edge>& theEdges,
SMESH_Mesh* theMesh,
const bool theIsForward,
const bool theIgnoreMediumNodes,
SMESH_ProxyMesh::Ptr theProxyMesh = SMESH_ProxyMesh::Ptr());
/*!
* \brief Simulate a side from a vertex using data from other FaceSide
*/
StdMeshers_FaceSide(const StdMeshers_FaceSide* theSide,
const SMDS_MeshNode* theNode,
const gp_Pnt2d* thePnt2d1,
const gp_Pnt2d* thePnt2d2=NULL,
const Handle(Geom2d_Curve)& theC2d=NULL,
const double theUFirst=0.,
const double theULast=1.);
/*!
* \brief Create a side from an UVPtStructVec
*/
StdMeshers_FaceSide(UVPtStructVec& theSideNodes,
const TopoDS_Face& theFace = TopoDS_Face(),
const TopoDS_Edge& theEdge = TopoDS_Edge(),
SMESH_Mesh* theMesh = 0);
// static "consrtuctors"
static StdMeshers_FaceSidePtr New(const TopoDS_Face& Face,
const TopoDS_Edge& Edge,
SMESH_Mesh* Mesh,
const bool IsForward,
const bool IgnoreMediumNodes,
SMESH_ProxyMesh::Ptr ProxyMesh = SMESH_ProxyMesh::Ptr())
{ return StdMeshers_FaceSidePtr
( new StdMeshers_FaceSide( Face,Edge,Mesh,IsForward,IgnoreMediumNodes,ProxyMesh ));
}
static StdMeshers_FaceSidePtr New (const TopoDS_Face& Face,
std::list<TopoDS_Edge>& Edges,
SMESH_Mesh* Mesh,
const bool IsForward,
const bool IgnoreMediumNodes,
SMESH_ProxyMesh::Ptr ProxyMesh = SMESH_ProxyMesh::Ptr())
{ return StdMeshers_FaceSidePtr
( new StdMeshers_FaceSide( Face,Edges,Mesh,IsForward,IgnoreMediumNodes,ProxyMesh ));
}
static StdMeshers_FaceSidePtr New (const StdMeshers_FaceSide* Side,
const SMDS_MeshNode* Node,
const gp_Pnt2d* Pnt2d1,
const gp_Pnt2d* Pnt2d2=NULL,
const Handle(Geom2d_Curve)& C2d=NULL,
const double UFirst=0.,
const double ULast=1.)
{ return StdMeshers_FaceSidePtr
( new StdMeshers_FaceSide( Side,Node,Pnt2d1,Pnt2d2,C2d,UFirst,ULast ));
}
static StdMeshers_FaceSidePtr New (UVPtStructVec& theSideNodes,
const TopoDS_Face& theFace = TopoDS_Face())
{
return StdMeshers_FaceSidePtr( new StdMeshers_FaceSide( theSideNodes, theFace ));
}
/*!
* \brief Return wires of a face as StdMeshers_FaceSide's
*/
static TSideVector GetFaceWires(const TopoDS_Face& theFace,
SMESH_Mesh & theMesh,
const bool theIgnoreMediumNodes,
TError & theError,
SMESH_ProxyMesh::Ptr theProxyMesh = SMESH_ProxyMesh::Ptr(),
const bool theCheckVertexNodes=true);
/*!
* \brief Change orientation of side geometry
*/
void Reverse();
/*!
* \brief Make ignore medium nodes
*/
void SetIgnoreMediumNodes(bool toIgnore);
/*!
* \brief Return nb nodes on edges and vertices (+1 to be == GetUVPtStruct().size() ).
* Call it with update == true if mesh of this side can be recomputed
* since creation of this side
*/
int NbPoints(const bool update = false) const;
/*!
* \brief Return nb edges
* Call it with update == true if mesh of this side can be recomputed
* since creation of this side
*/
int NbSegments(const bool update = false) const;
/*!
* \brief Return mesh
*/
SMESH_Mesh* GetMesh() const { return myProxyMesh->GetMesh(); }
/*!
* \brief Return true if there are vertices without nodes
*/
bool MissVertexNode() const { return myMissingVertexNodes; }
/*!
* \brief Return detailed data on nodes
* \param isXConst - true if normalized parameter X is constant
* \param constValue - constant parameter value
*
* Missing nodes are allowed only on internal vertices.
* For a closed side, the 1st point repeats at end
*/
const UVPtStructVec& GetUVPtStruct(bool isXConst =0, double constValue =0) const;
/*!
* \brief Simulates detailed data on nodes
* \param isXConst - true if normalized parameter X is constant
* \param constValue - constant parameter value
*/
const UVPtStructVec& SimulateUVPtStruct(int nbSeg,
bool isXConst = 0,
double constValue = 0) const;
/*!
* \brief Return nodes in the order they encounter while walking along
* the while side or a specified EDGE.
* For a closed side, the 1st point repeats at end
*/
std::vector<const SMDS_MeshNode*> GetOrderedNodes(int iE=-1) const;
/*!
* \brief Return nodes of the i-th EDGE.
* Nodes moved to other geometry by MergeNodes() are also returned.
* \retval bool - is OK
*/
bool GetEdgeNodes(const size_t i,
std::vector<const SMDS_MeshNode*>& nodes,
bool inlude1stVertex=true,
bool inludeLastVertex=true) const;
/*!
* \brief Return a node from the i-th VERTEX (count starts from zero)
* Nodes moved to other geometry by MergeNodes() are also returned.
*/
const SMDS_MeshNode* VertexNode(std::size_t i, bool* isMoved = 0) const;
/*
* \brief Return edge and parameter on edge by normalized parameter
*/
inline double Parameter(double U, TopoDS_Edge & edge) const;
/*
* \brief Return edge ID and parameter on edge by normalized parameter
*/
inline double Parameter(double U, int & edgeID) const;
/*!
* \brief Return UV by normalized parameter
*/
gp_Pnt2d Value2d(double U) const;
/*!
* \brief Return XYZ by normalized parameter
*/
gp_Pnt Value3d(double U) const;
/*!
* \brief Creates a Adaptor2d_Curve2d to be used in SMESH_Block
*/
Adaptor2d_Curve2d* GetCurve2d() const;
/*!
* \brief Creates a fully functional Adaptor_Curve
*/
BRepAdaptor_CompCurve* GetCurve3d() const;
/*!
* \brief Return nb of wrapped edges
*/
int NbEdges() const { return myEdge.size(); }
/*!
* \brief Return i-th edge (count starts from zero)
*/
const TopoDS_Edge& Edge(int i) const { return myEdge[i]; }
/*!
* \brief Return all edges
*/
const std::vector<TopoDS_Edge>& Edges() const { return myEdge; }
/*!
* \brief Return the FACE
*/
const TopoDS_Face& Face() const { return myFace; }
/*!
* \brief Return 1st vertex of the i-th edge (count starts from zero)
*/
TopoDS_Vertex FirstVertex(int i=0) const;
/*!
* \brief Return last vertex of the i-th edge (count starts from zero)
*/
TopoDS_Vertex LastVertex(int i=-1) const;
/*!
* \brief Return \c true if the chain of EDGEs is closed
*/
bool IsClosed() const;
/*!
* \brief Return side length
*/
double Length() const { return myLength; }
/*!
* \brief Return edge index corresponding to normalized parameter
*/
inline int EdgeIndex( double U ) const;
//virtual gp_Pnt Value(double U) const;
void dump(const char* msg=0) const;
/*!
* \brief Return ID of i-th wrapped edge (count starts from zero)
*/
inline int EdgeID(int i) const;
/*!
* \brief Return p-curve of i-th wrapped edge (count starts from zero)
*/
inline Handle(Geom2d_Curve) Curve2d(int i) const;
/*!
* \brief Return first normalized parameter of the i-th edge (count starts from zero)
*/
inline double FirstParameter(int i) const;
/*!
* \brief Return last normalized parameter of the i-th edge (count starts from zero)
*/
inline double LastParameter(int i) const;
/*!
* \brief Return first parameter of the i-th edge (count starts from zero).
* EDGE orientation is taken into account
*/
inline double FirstU(int i) const;
/*!
* \brief Return last parameter of the i-th edge (count starts from zero).
* EDGE orientation is taken into account
*/
inline double LastU(int i) const;
/*!
* \brief Return length of i-th wrapped edge (count starts from zero)
*/
inline double EdgeLength(int i) const;
/*!
* \brief Return orientation of i-th wrapped edge (count starts from zero)
*/
inline bool IsReversed(int i) const;
protected:
void reverseProxySubmesh( const TopoDS_Edge& E );
// DON't FORGET to update Reverse() when adding one more vector!
TopoDS_Face myFace;
std::vector<uvPtStruct> myPoints, myFalsePoints;
std::vector<TopoDS_Edge> myEdge;
std::vector<int> myEdgeID;
std::vector<Handle(Geom2d_Curve)> myC2d;
std::vector<GeomAdaptor_Curve> myC3dAdaptor;
std::vector<double> myFirst, myLast;
std::vector<double> myNormPar;
std::vector<double> myEdgeLength;
std::vector<int> myIsUniform;
double myLength;
int myNbPonits, myNbSegments;
SMESH_ProxyMesh::Ptr myProxyMesh;
bool myMissingVertexNodes, myIgnoreMediumNodes;
gp_Pnt2d myDefaultPnt2d;
};
//================================================================================
/*!
* \brief Return edge index corresponding to normalized parameter
* \param U - the parameter
* \retval int - index
*/
//================================================================================
inline int StdMeshers_FaceSide::EdgeIndex( double U ) const
{
int i = myNormPar.size() - 1;
while ( i > 0 && U < myNormPar[ i-1 ] ) --i;
return i;
}
//================================================================================
/*!
* \brief Return an edge and parameter on the edge by a normalized parameter
* \param U - normalized parameter
* \retval double - pameter on a curve
* \ warning The returned parameter can be inaccurate if the edge is non-uniformly
* parametrized. Use Value2d() to get a precise point on the edge
*/
//================================================================================
inline double StdMeshers_FaceSide::Parameter(double U, TopoDS_Edge & edge) const
{
int i = EdgeIndex( U );
edge = myEdge[ i ];
double prevU = i ? myNormPar[ i-1 ] : 0;
double r = ( U - prevU )/ ( myNormPar[ i ] - prevU );
return myFirst[i] * ( 1 - r ) + myLast[i] * r;
}
//================================================================================
/*!
* \brief Return an edge ID and parameter on the edge by a normalized parameter
* \param U - normalized parameter
* \retval double - pameter on a curve
* \ warning The returned parameter can be inaccurate if the edge is non-uniformly
* parametrized. Use Value2d() to get a precise point on the edge
*/
//================================================================================
inline double StdMeshers_FaceSide::Parameter(double U, int & edgeID) const
{
int i = EdgeIndex( U );
edgeID = myEdgeID[ i ];
double prevU = i ? myNormPar[ i-1 ] : 0;
double r = ( U - prevU )/ ( myNormPar[ i ] - prevU );
return myFirst[i] * ( 1 - r ) + myLast[i] * r;
}
//================================================================================
/*!
* \brief Return first normalized parameter of the i-th edge
*/
//================================================================================
inline double StdMeshers_FaceSide::FirstParameter(int i) const
{
return i==0 ? 0. : i<(int)myNormPar.size() ? myNormPar[i-1] : 1.;
}
//================================================================================
/*!
* \brief Return ast normalized parameter of the i-th edge
*/
//================================================================================
inline double StdMeshers_FaceSide::LastParameter(int i) const
{
return i < (int)myNormPar.size() ? myNormPar[i] : 1;
}
//================================================================================
/*!
* \brief Return first parameter of the i-th edge
*/
//================================================================================
inline double StdMeshers_FaceSide::FirstU(int i) const
{
return myFirst[ i % myFirst.size() ];
}
//================================================================================
/*!
* \brief Return last parameter of the i-th edge
*/
//================================================================================
inline double StdMeshers_FaceSide::LastU(int i) const
{
return myLast[ i % myLast.size() ];
}
//================================================================================
/*!
* \brief Return ID of i-th wrapped edge (count starts from zero)
*/
//================================================================================
inline int StdMeshers_FaceSide::EdgeID(int i) const
{
return myEdgeID[ i % myEdgeID.size() ];
}
//================================================================================
/*!
* \brief Return p-curve of i-th wrapped edge (count starts from zero)
*/
//================================================================================
inline Handle(Geom2d_Curve) StdMeshers_FaceSide::Curve2d(int i) const
{
return myC2d[ i % myC2d.size() ];
}
//================================================================================
/*!
* \brief Return length of i-th wrapped edge (count starts from zero)
*/
//================================================================================
inline double StdMeshers_FaceSide::EdgeLength(int i) const
{
return myEdgeLength[ i % myEdgeLength.size() ];
}
//================================================================================
/*!
* \brief Return orientation of i-th wrapped edge (count starts from zero)
*/
//================================================================================
inline bool StdMeshers_FaceSide::IsReversed(int i) const
{
return myFirst[i] > myLast[i];
}
#endif