-// Copyright (C) 2007-2012 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
#include "SMESH_StdMeshers.hxx"
-#include "SMDS_MeshNode.hxx"
-#include "SMDS_TypeOfPosition.hxx"
#include "SMESHDS_Mesh.hxx"
-#include "SMESH_Algo.hxx"
#include "SMESH_Block.hxx"
#include "SMESH_Comment.hxx"
#include "SMESH_Mesh.hxx"
#include "SMESH_MesherHelper.hxx"
+#include "SMESH_TypeDefs.hxx"
#include "SMESH_subMesh.hxx"
-
-#include <vector>
+#include "StdMeshers_ProjectionUtils.hxx"
#include <Adaptor2d_Curve2d.hxx>
#include <Adaptor3d_Curve.hxx>
#include <Adaptor3d_Surface.hxx>
#include <BRepAdaptor_Surface.hxx>
+#include <TColStd_DataMapOfIntegerInteger.hxx>
#include <TopTools_IndexedMapOfOrientedShape.hxx>
+#include <TopoDS_Face.hxx>
#include <gp_Trsf.hxx>
#include <gp_XYZ.hxx>
+#include <vector>
+namespace Prism_3D
+{
+ struct TNode;
+ struct TPrismTopo;
+}
class SMESHDS_SubMesh;
class TopoDS_Edge;
-class TopoDS_Faces;
-struct TNode;
-
-typedef std::vector<const SMDS_MeshNode* > TNodeColumn;
+typedef TopTools_IndexedMapOfOrientedShape TBlockShapes;
+typedef std::vector<const SMDS_MeshNode* > TNodeColumn;
+typedef std::map< double, TNodeColumn > TParam2ColumnMap;
+typedef std::map< double, TNodeColumn >::const_iterator TParam2ColumnIt;
// map of bottom nodes to the column of nodes above them
// (the column includes the bottom nodes)
-typedef std::map< TNode, TNodeColumn > TNode2ColumnMap;
-typedef std::map< double, TNodeColumn > TParam2ColumnMap;
-typedef std::map< double, TNodeColumn >::const_iterator TParam2ColumnIt;
-
-typedef TopTools_IndexedMapOfOrientedShape TBlockShapes;
+typedef std::map< Prism_3D::TNode, TNodeColumn > TNode2ColumnMap;
-// ===============================================
-/*!
- * \brief Structure containing node relative data
- */
-// ===============================================
-struct TNode
+namespace Prism_3D
{
- const SMDS_MeshNode* myNode;
- mutable gp_XYZ myParams;
-
- gp_XYZ GetCoords() const { return gp_XYZ( myNode->X(), myNode->Y(), myNode->Z() ); }
- gp_XYZ GetParams() const { return myParams; }
- gp_XYZ& ChangeParams() const { return myParams; }
- bool HasParams() const { return myParams.X() >= 0.0; }
- SMDS_TypeOfPosition GetPositionType() const
- { return myNode ? myNode->GetPosition()->GetTypeOfPosition() : SMDS_TOP_UNSPEC; }
- bool IsNeighbor( const TNode& other ) const;
-
- TNode(const SMDS_MeshNode* node = 0): myNode(node), myParams(-1,-1,-1) {}
- bool operator < (const TNode& other) const { return myNode->GetID() < other.myNode->GetID(); }
-};
+ // ===============================================
+ /*!
+ * \brief Structure containing node relative data
+ */
+ struct TNode
+ {
+ const SMDS_MeshNode* myNode;
+ mutable gp_XYZ myParams;
+
+ gp_XYZ GetCoords() const { return gp_XYZ( myNode->X(), myNode->Y(), myNode->Z() ); }
+ gp_XYZ GetParams() const { return myParams; }
+ gp_XYZ& ChangeParams() const { return myParams; }
+ bool HasParams() const { return myParams.X() >= 0.0; }
+ SMDS_TypeOfPosition GetPositionType() const
+ { return myNode ? myNode->GetPosition()->GetTypeOfPosition() : SMDS_TOP_UNSPEC; }
+ bool IsNeighbor( const TNode& other ) const;
+
+ TNode(const SMDS_MeshNode* node = 0): myNode(node), myParams(-1,-1,-1) {}
+ bool operator < (const TNode& other) const { return myNode->GetID() < other.myNode->GetID(); }
+ };
+ // ===============================================
+ /*!
+ * \brief Topological data of the prism
+ */
+ typedef std::list< TFaceQuadStructPtr > TQuadList;
+
+ struct TPrismTopo
+ {
+ TopoDS_Shape myShape3D;
+ TopoDS_Face myBottom;
+ TopoDS_Face myTop;
+ std::list< TopoDS_Edge > myBottomEdges;
+ std::vector< TQuadList> myWallQuads; // wall sides can be vertically composite
+ std::vector< int > myRightQuadIndex; // index of right neighbour wall quad
+ std::list< int > myNbEdgesInWires;
+
+ bool myNotQuadOnTop;
+
+ size_t NbWires() const { return myNbEdgesInWires.size(); }
+
+ void Clear();
+ void SetUpsideDown();
+ };
+}
// ===============================================================
/*!
* emulated by division/uniting of missing/excess faces.
* It also manage associations between block sub-shapes and a mesh.
*/
-// ===============================================================
-
class STDMESHERS_EXPORT StdMeshers_PrismAsBlock: public SMESH_Block
{
-public:
+ public:
/*!
* \brief Constructor. Initialization is needed
*/
/*!
* \brief Initialization.
- * \param helper - helper loaded with mesh and 3D shape
- * \param shape3D - a closed shell or solid
- * \retval bool - false if a mesh or a shape are KO
- *
- * Analyse shape geometry and mesh.
- * If there are triangles on one of faces, it becomes 'bottom'
+ * \param helper - helper loaded with mesh and 3D shape
+ * \param prism - prism topology
+ * \retval bool - false if a mesh or a shape are KO
*/
- bool Init(SMESH_MesherHelper* helper, const TopoDS_Shape& shape3D);
+ bool Init(SMESH_MesherHelper* helper, const Prism_3D::TPrismTopo& prism);
/*!
* \brief Return problem description
return col_frw.first;
}
+ /*!
+ * \brief Return pointer to column of nodes
+ * \param node - bottom node from which the returned column goes up
+ * \retval const TNodeColumn* - the found column
+ */
+ bool HasNodeColumn(const SMDS_MeshNode* node) const
+ {
+ return myShapeIndex2ColumnMap.count( node->getshapeId() );
+ }
+
/*!
* \brief Return transformations to get coordinates of nodes of each internal layer
* by nodes of the bottom. Layer is a set of nodes at a certain step
* from bottom to top.
*/
- bool GetLayersTransformation(std::vector<gp_Trsf> & trsf) const;
+ bool GetLayersTransformation(std::vector<gp_Trsf> & trsf,
+ const Prism_3D::TPrismTopo& prism) const;
/*!
* \brief Return pointer to mesh
const TParam2ColumnMap& columnsMap,
const TopoDS_Edge & bottomEdge,
const int sideFaceID);
- /*!
- * \brief Find wall faces by bottom edges
- * \param mesh - the mesh
- * \param mainShape - the prism
- * \param bottomFace - the bottom face
- * \param bottomEdges - edges bounding the bottom face
- * \param wallFaces - faces list to fill in
- */
- bool GetWallFaces( SMESH_Mesh* mesh,
- const TopoDS_Shape & mainShape,
- const TopoDS_Shape & bottomFace,
- std::list< TopoDS_Edge >& bottomEdges,
- std::list< int > & nbEInW,
- std::list< TopoDS_Face >& wallFaces);
private:
// --------------------------------------------------------------------
class TSideFace: public Adaptor3d_Surface
{
+ typedef boost::shared_ptr<BRepAdaptor_Surface> PSurface;
+
int myID; //!< in-block ID
// map used to find out real UV by it's normalized UV
TParam2ColumnMap* myParamToColumnMap;
- BRepAdaptor_Surface mySurface;
+ PSurface mySurface;
TopoDS_Edge myBaseEdge;
+ std::map< int, PSurface > myShapeID2Surf;
// first and last normalized params and orientaion for each component or it-self
- std::vector< std::pair< double, double> > myParams;
+ std::vector< std::pair< double, double> > myParams; // select my columns in myParamToColumnMap
bool myIsForward;
std::vector< TSideFace* > myComponents;
- SMESH_MesherHelper * myHelper;
+ SMESH_MesherHelper myHelper;
public:
- TSideFace( SMESH_MesherHelper* helper,
- const int faceID,
- const TopoDS_Face& face,
- const TopoDS_Edge& baseEdge,
- TParam2ColumnMap* columnsMap,
- const double first = 0.0,
- const double last = 1.0);
- TSideFace( const std::vector< TSideFace* >& components,
+ TSideFace( SMESH_Mesh& mesh,
+ const int faceID,
+ const Prism_3D::TQuadList& quadList,
+ const TopoDS_Edge& baseEdge,
+ TParam2ColumnMap* columnsMap,
+ const double first = 0.0,
+ const double last = 1.0);
+ TSideFace( SMESH_Mesh& mesh,
+ const std::vector< TSideFace* >& components,
const std::vector< std::pair< double, double> > & params);
TSideFace( const TSideFace& other );
~TSideFace();
bool IsComplex() const
{ return ( NbComponents() > 0 || myParams[0].first != 0. || myParams[0].second != 1. ); }
int FaceID() const { return myID; }
+ SMESH_Mesh* GetMesh() const { return myHelper.GetMesh(); }
TParam2ColumnMap* GetColumns() const { return myParamToColumnMap; }
- gp_XY GetNodeUV(const TopoDS_Face& F, const SMDS_MeshNode* n) const
- { return myHelper->GetNodeUV( F, n ); }
+ gp_XY GetNodeUV(const TopoDS_Face& F, const SMDS_MeshNode* n, const SMDS_MeshNode* n2=0) const
+ { return ((SMESH_MesherHelper&) myHelper).SetSubShape(F), myHelper.GetNodeUV( F, n, n2 ); }
const TopoDS_Edge & BaseEdge() const { return myBaseEdge; }
int ColumnHeight() const {
if ( NbComponents() ) return GetComponent(0)->GetColumns()->begin()->second.size();
else return GetColumns()->begin()->second.size(); }
double GetColumns(const double U, TParam2ColumnIt & col1, TParam2ColumnIt& col2 ) const;
+ void GetNodesAtZ(const int Z, std::map<double, const SMDS_MeshNode* >& nodes ) const;
int NbComponents() const { return myComponents.size(); }
TSideFace* GetComponent(const int i) const { return myComponents.at( i ); }
void SetComponent(const int i, TSideFace* c)
// --------------------------------------------------------------------
class STDMESHERS_EXPORT TPCurveOnHorFaceAdaptor: public Adaptor2d_Curve2d
{
- const TSideFace* mySide;
- int myZ;
- TopoDS_Face myFace;
+ std::map< double, gp_XY > myUVmap; // normalized parameter to UV on a horizontal face
public:
TPCurveOnHorFaceAdaptor( const TSideFace* sideFace,
const bool isTop,
- const TopoDS_Face& horFace)
- : mySide(sideFace), myFace(horFace), myZ(isTop ? mySide->ColumnHeight() - 1 : 0 ) {}
+ const TopoDS_Face& horFace);
gp_Pnt2d Value(const Standard_Real U) const;
Standard_Real FirstParameter() const { return 0; }
Standard_Real LastParameter() const { return 1; }
myError = SMESH_ComputeError::New(error,comment);
return myError->IsOK();
}
+ /*!
+ * \brief Prints a script creating a normal grid on the prism side
+ */
+ void faceGridToPythonDump(const SMESH_Block::TShapeID face,
+ const int nb=10);
+
+}; // class StdMeshers_PrismAsBlock
+
+// ===============================================
+/*!
+ * \brief Tool building internal nodes in a prism
+ */
+struct StdMeshers_Sweeper
+{
+ // input data
+ SMESH_MesherHelper* myHelper;
+ TopoDS_Face myBotFace;
+ TopoDS_Face myTopFace;
+ std::vector< TNodeColumn* > myBndColumns; // boundary nodes
+ // output data
+ std::vector< TNodeColumn* > myIntColumns; // internal nodes
+
+ bool ComputeNodesByTrsf( const double tol,
+ const bool allowHighBndError );
+
+ bool CheckSameZ();
+
+ bool ComputeNodesOnStraightSameZ();
+
+ bool ComputeNodesOnStraight();
+
+private:
+
+ gp_XYZ bndPoint( int iP, int z ) const
+ { return SMESH_TNodeXYZ( (*myBndColumns[ iP ])[ z ]); }
+
+ gp_XYZ intPoint( int iP, int z ) const
+ { return SMESH_TNodeXYZ( (*myIntColumns[ iP ])[ z ]); }
+
+ bool projectIntPoints(const std::vector< gp_XYZ >& fromBndPoints,
+ const std::vector< gp_XYZ >& toBndPoints,
+ const std::vector< gp_XYZ >& fromIntPoints,
+ std::vector< gp_XYZ >& toIntPoints,
+ const double r,
+ StdMeshers_ProjectionUtils::TrsfFinder3D& trsf,
+ std::vector< gp_XYZ > * bndError);
+
+ typedef std::vector< double > TZColumn;
+ static void fillZColumn( TZColumn& zColumn,
+ TNodeColumn& nodes );
+
+ void prepareTopBotDelaunay();
+ void findDelaunayTriangles();
+
+ std::vector< TZColumn > myZColumns; // Z distribution of boundary nodes
+
+ StdMeshers_ProjectionUtils::DelaunayPtr myTopDelaunay;
+ StdMeshers_ProjectionUtils::DelaunayPtr myBotDelaunay;
+ TColStd_DataMapOfIntegerInteger myNodeID2ColID;
+
+ // top and bottom Delaulay triangles including an internal column
+ struct TopBotTriangles
+ {
+ double myBotBC[3], myTopBC[3]; // barycentric coordinates of a node within a triangle
+ int myBotTriaNodes[3], myTopTriaNodes[3]; // indices of boundary columns
+ TopBotTriangles();
+ void SetTopByBottom();
+ };
+ std::vector< TopBotTriangles> myTopBotTriangles;
};
-// =============================================
+// ===============================================
/*!
* \brief Algo building prisms on a prism shape
*/
-// =============================================
-
class STDMESHERS_EXPORT StdMeshers_Prism_3D: public SMESH_3D_Algo
{
public:
* \param nodeColumns - columns of nodes generated from nodes of a mesh face
* \param helper - helper initialized by mesh and shape to add prisms to
*/
- static void AddPrisms( std::vector<const TNodeColumn*> & nodeColumns,
- SMESH_MesherHelper* helper);
+ static bool AddPrisms( std::vector<const TNodeColumn*> & nodeColumns,
+ SMESH_MesherHelper* helper);
-private:
+ static bool IsApplicable(const TopoDS_Shape & aShape, bool toCheckAll);
+ virtual bool IsApplicableToShape(const TopoDS_Shape & shape, bool toCheckAll) const
+ {
+ return IsApplicable( shape, toCheckAll );
+ }
+
+ private:
+
+ /*!
+ * \brief Analyse shape geometry and mesh.
+ * If there are triangles on one of faces, it becomes 'bottom'
+ */
+ bool initPrism(Prism_3D::TPrismTopo& thePrism,
+ const TopoDS_Shape& theSolid,
+ const bool selectBottom = true);
+
+ /*!
+ * \brief Fill thePrism.myWallQuads and thePrism.myTopEdges
+ */
+ bool getWallFaces( Prism_3D::TPrismTopo& thePrism,
+ const int totalNbFaces);
+
+ /*!
+ * \brief Compute mesh on a SOLID
+ */
+ bool compute(const Prism_3D::TPrismTopo& thePrism);
+
+ /*!
+ * \brief Compute the base face of a prism
+ */
+ bool computeBase(const Prism_3D::TPrismTopo& thePrism);
+
+ /*!
+ * \brief Compute 2D mesh on walls FACEs of a prism
+ */
+ bool computeWalls(const Prism_3D::TPrismTopo& thePrism);
+
+ /*!
+ * \brief Create artificial wall quads for vertical projection between the outer and inner walls
+ */
+ void makeQuadsForOutInProjection( const Prism_3D::TPrismTopo& thePrism,
+ std::multimap< int, int >& wgt2quad,
+ std::map< int, FaceQuadStruct >& iW2oiQuads);
+ /*!
+ * \brief Returns a source EDGE of propagation to a given EDGE
+ */
+ TopoDS_Edge findPropagationSource( const TopoDS_Edge& E );
/*!
* \brief Find correspondence between bottom and top nodes.
* and projection is possible and allowed, perform the projection
* \retval bool - is a success or not
*/
- bool assocOrProjBottom2Top();
+ bool assocOrProjBottom2Top( const gp_Trsf & bottomToTopTrsf,
+ const Prism_3D::TPrismTopo& thePrism);
/*!
* \brief Remove quadrangles from the top face and
- * create triangles there by projection from the bottom
+ * create triangles there by projection from the bottom
* \retval bool - a success or not
*/
- bool projectBottomToTop();
+ bool projectBottomToTop( const gp_Trsf & bottomToTopTrsf,
+ const Prism_3D::TPrismTopo& thePrism );
+
+ /*!
+ * \brief Compute tolerance to pass to StdMeshers_Sweeper
+ */
+ double getSweepTolerance( const Prism_3D::TPrismTopo& thePrism );
+
+ /*!
+ * \brief Defines if it's safe to use the block approach
+ */
+ bool isSimpleBottom( const Prism_3D::TPrismTopo& thePrism );
+
+ /*!
+ * \brief Defines if all "vertical" EDGEs are straight
+ */
+ bool allVerticalEdgesStraight( const Prism_3D::TPrismTopo& thePrism );
+
+ /*!
+ * \brief Project mesh faces from a source FACE of one prism to
+ * a source FACE of another prism
+ * \retval bool - a success or not
+ */
+ bool project2dMesh(const TopoDS_Face& source, const TopoDS_Face& target);
/*!
* \brief Set projection coordinates of a node to a face and it's sub-shapes
*/
bool setFaceAndEdgesXYZ( const int faceID, const gp_XYZ& params, int z );
+ /*!
+ * \brief If (!isOK), sets the error to a sub-mesh of a current SOLID
+ */
+ bool toSM( bool isOK );
+
+ /*!
+ * \brief Return index of a shape
+ */
+ int shapeID( const TopoDS_Shape& S );
+
private:
bool myProjectTriangles;
+ bool mySetErrorToSM;
+ bool myUseBlock;
StdMeshers_PrismAsBlock myBlock;
SMESH_MesherHelper* myHelper;
+ SMESH_subMesh* myPrevBottomSM;
std::vector<gp_XYZ> myShapeXYZ; // point on each sub-shape of the block
// map of bottom nodes to the column of nodes above them
// (the column includes the bottom node)
TNode2ColumnMap myBotToColumnMap;
-};
+
+ TopTools_IndexedMapOfShape* myPropagChains;
+
+}; // class StdMeshers_Prism_3D
#endif
