-// Copyright (C) 2007-2013 CEA/DEN, EDF R&D, OPEN CASCADE
+// 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.
+// 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
#ifndef __SMESH_MeshAlgos_HXX__
#define __SMESH_MeshAlgos_HXX__
+#include "SMESH_Utils.hxx"
+
#include "SMDSAbs_ElementType.hxx"
#include "SMDS_ElemIterator.hxx"
#include "SMESH_TypeDefs.hxx"
*/
//=======================================================================
-struct SMESH_NodeSearcher
+struct SMESHUtils_EXPORT SMESH_NodeSearcher
{
virtual const SMDS_MeshNode* FindClosestTo( const gp_Pnt& pnt ) = 0;
virtual void MoveNode( const SMDS_MeshNode* node, const gp_Pnt& toPnt ) = 0;
+ virtual int FindNearPoint(const gp_Pnt& point,
+ const double tolerance,
+ std::vector< const SMDS_MeshNode* >& foundNodes) = 0;
+ virtual ~SMESH_NodeSearcher() {}
};
//=======================================================================
*/
//=======================================================================
-struct SMESH_ElementSearcher
+struct SMESHUtils_EXPORT SMESH_ElementSearcher
{
/*!
* \brief Find elements of given type where the given point is IN or ON.
virtual void GetElementsNearLine( const gp_Ax1& line,
SMDSAbs_ElementType type,
std::vector< const SMDS_MeshElement* >& foundElems) = 0;
+ /*!
+ * \brief Return elements whose bounding box intersects a sphere
+ */
+ virtual void GetElementsInSphere( const gp_XYZ& center,
+ const double radius,
+ SMDSAbs_ElementType type,
+ std::vector< const SMDS_MeshElement* >& foundElems) = 0;
/*!
* \brief Find out if the given point is out of closed 2D mesh.
*/
virtual TopAbs_State GetPointState(const gp_Pnt& point) = 0;
+ virtual ~SMESH_ElementSearcher();
};
namespace SMESH_MeshAlgos
/*!
* \brief Return true if the point is IN or ON of the element
*/
+ SMESHUtils_EXPORT
bool IsOut( const SMDS_MeshElement* element, const gp_Pnt& point, double tol );
+ SMESHUtils_EXPORT
+ double GetDistance( const SMDS_MeshElement* elem, const gp_Pnt& point );
+
+ SMESHUtils_EXPORT
+ double GetDistance( const SMDS_MeshEdge* edge, const gp_Pnt& point );
+
+ SMESHUtils_EXPORT
double GetDistance( const SMDS_MeshFace* face, const gp_Pnt& point );
+ SMESHUtils_EXPORT
+ double GetDistance( const SMDS_MeshVolume* volume, const gp_Pnt& point );
+
+ SMESHUtils_EXPORT
+ void GetBarycentricCoords( const gp_XY& point,
+ const gp_XY& t0, const gp_XY& t1, const gp_XY& t2,
+ double & bc0, double & bc1);
+
/*!
* Return a face having linked nodes n1 and n2 and which is
* - not in avoidSet,
* - in elemSet provided that !elemSet.empty()
* i1 and i2 optionally returns indices of n1 and n2
*/
+ SMESHUtils_EXPORT
const SMDS_MeshElement* FindFaceInSet(const SMDS_MeshNode* n1,
const SMDS_MeshNode* n2,
const TIDSortedElemSet& elemSet,
/*!
* \brief Calculate normal of a mesh face
*/
+ SMESHUtils_EXPORT
bool FaceNormal(const SMDS_MeshElement* F, gp_XYZ& normal, bool normalized=true);
/*!
* \brief Return nodes common to two elements
*/
+ SMESHUtils_EXPORT
std::vector< const SMDS_MeshNode*> GetCommonNodes(const SMDS_MeshElement* e1,
const SMDS_MeshElement* e2);
/*!
* \brief Return SMESH_NodeSearcher. The caller is responsible for deleteing it
*/
+ SMESHUtils_EXPORT
SMESH_NodeSearcher* GetNodeSearcher( SMDS_Mesh& mesh );
+ SMESHUtils_EXPORT
+ SMESH_NodeSearcher* GetNodeSearcher( SMDS_ElemIteratorPtr elemIt );
+
/*!
* \brief Return SMESH_ElementSearcher. The caller is responsible for deleting it
*/
- SMESH_ElementSearcher* GetElementSearcher( SMDS_Mesh& mesh );
+ SMESHUtils_EXPORT
SMESH_ElementSearcher* GetElementSearcher( SMDS_Mesh& mesh,
- SMDS_ElemIteratorPtr elemIt );
-}
+ double tolerance=-1.);
+ SMESHUtils_EXPORT
+ SMESH_ElementSearcher* GetElementSearcher( SMDS_Mesh& mesh,
+ SMDS_ElemIteratorPtr elemIt,
+ double tolerance=-1. );
+
+
+
+ typedef std::vector<const SMDS_MeshNode*> TFreeBorder;
+ typedef std::vector<TFreeBorder> TFreeBorderVec;
+ struct TFreeBorderPart
+ {
+ int _border; // border index within a TFreeBorderVec
+ int _node1; // node index within the border-th TFreeBorder
+ int _node2;
+ int _nodeLast;
+ };
+ typedef std::vector<TFreeBorderPart> TCoincidentGroup;
+ typedef std::vector<TCoincidentGroup> TCoincidentGroupVec;
+ struct CoincidentFreeBorders
+ {
+ TFreeBorderVec _borders; // nodes of all free borders
+ TCoincidentGroupVec _coincidentGroups; // groups of coincident parts of borders
+ };
+
+ /*!
+ * Returns TFreeBorder's coincident within the given tolerance.
+ * If the tolerance <= 0.0 then one tenth of an average size of elements adjacent
+ * to free borders being compared is used.
+ *
+ * (Implemented in ./SMESH_FreeBorders.cxx)
+ */
+ SMESHUtils_EXPORT
+ void FindCoincidentFreeBorders(SMDS_Mesh& mesh,
+ double tolerance,
+ CoincidentFreeBorders & foundFreeBordes);
+
+
+} // SMESH_MeshAlgos
#endif