-// Copyright (C) 2003 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.
-//
-// 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.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org
+// Copyright (C) 2007-2010 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.
+//
+// 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 : SMESH_Block.hxx
// Created : Tue Nov 30 12:42:18 2004
// Author : Edward AGAPOV (eap)
-
-
+//
#ifndef SMESH_Block_HeaderFile
#define SMESH_Block_HeaderFile
-#include <Geom2d_Curve.hxx>
-#include <Geom_Curve.hxx>
-#include <Geom_Surface.hxx>
+#include "SMESH_SMESH.hxx"
+
+//#include <Geom2d_Curve.hxx>
+//#include <Geom_Curve.hxx>
+//#include <Geom_Surface.hxx>
+
#include <TopExp.hxx>
#include <TopTools_IndexedMapOfOrientedShape.hxx>
#include <TopoDS_Edge.hxx>
+#include <TopoDS_Face.hxx>
#include <TopoDS_Shell.hxx>
#include <TopoDS_Vertex.hxx>
-#include <gp_Pnt.hxx>
-#include <gp_Trsf.hxx>
#include <gp_XY.hxx>
#include <gp_XYZ.hxx>
#include <math_FunctionSetWithDerivatives.hxx>
-#include <math_Matrix.hxx>
-#include <math_Vector.hxx>
#include <ostream>
#include <vector>
+#include <list>
class SMDS_MeshVolume;
class SMDS_MeshNode;
+class Adaptor3d_Surface;
+class Adaptor2d_Curve2d;
+class Adaptor3d_Curve;
+class gp_Pnt;
// =========================================================
// class calculating coordinates of 3D points by normalized
// parameters inside the block and vice versa
// =========================================================
-class SMESH_Block: public math_FunctionSetWithDerivatives
+class SMESH_EXPORT SMESH_Block: public math_FunctionSetWithDerivatives
{
public:
- enum TShapeID { // ids of the block sub-shapes
+ enum TShapeID {
+ // ----------------------------
+ // Ids of the block sub-shapes
+ // ----------------------------
ID_NONE = 0,
ID_V000 = 1, ID_V100, ID_V010, ID_V110, ID_V001, ID_V101, ID_V011, ID_V111,
ID_Shell
};
+ enum { // to use TShapeID for indexing certain type subshapes
+
+ ID_FirstV = ID_V000, ID_FirstE = ID_Ex00, ID_FirstF = ID_Fxy0
+
+ };
+
+
+ public:
+ // -------------------------------------------------
+ // Block topology in terms of block sub-shapes' ids
+ // -------------------------------------------------
+
+ static int NbVertices() { return 8; }
+ static int NbEdges() { return 12; }
+ static int NbFaces() { return 6; }
+ static int NbSubShapes() { return ID_Shell; }
+ // to avoid magic numbers when allocating memory for subshapes
+
static inline bool IsVertexID( int theShapeID )
{ return ( theShapeID >= ID_V000 && theShapeID <= ID_V111 ); }
static inline bool IsFaceID( int theShapeID )
{ return ( theShapeID >= ID_Fxy0 && theShapeID <= ID_F1yz ); }
+ static int ShapeIndex( int theShapeID )
+ {
+ if ( IsVertexID( theShapeID )) return theShapeID - ID_V000;
+ if ( IsEdgeID( theShapeID )) return theShapeID - ID_Ex00;
+ if ( IsFaceID( theShapeID )) return theShapeID - ID_Fxy0;
+ return 0;
+ }
+ // return index [0-...] for each type of sub-shapes,
+ // for example :
+ // ShapeIndex( ID_Ex00 ) == 0
+ // ShapeIndex( ID_Ex10 ) == 1
+
+ static void GetFaceEdgesIDs (const int faceID, std::vector< int >& edgeVec );
+ // return edges IDs of a face in the order u0, u1, 0v, 1v
+
+ static void GetEdgeVertexIDs (const int edgeID, std::vector< int >& vertexVec );
+ // return vertex IDs of an edge
+
+ static int GetCoordIndOnEdge (const int theEdgeID)
+ { return (theEdgeID < ID_E0y0) ? 1 : (theEdgeID < ID_E00z) ? 2 : 3; }
+ // return an index of a coordinate which varies along the edge
+
+ static double* GetShapeCoef (const int theShapeID);
+ // for theShapeID( TShapeID ), returns 3 coefficients used
+ // to compute an addition of an on-theShape point to coordinates
+ // of an in-shell point. If an in-shell point has parameters (Px,Py,Pz),
+ // then the addition of a point P is computed as P*kx*ky*kz and ki is
+ // defined by the returned coef like this:
+ // ki = (coef[i] == 0) ? 1 : (coef[i] < 0) ? 1 - Pi : Pi
+
+ static int GetShapeIDByParams ( const gp_XYZ& theParams );
+ // define an id of the block sub-shape by point parameters
+
+ static std::ostream& DumpShapeID (const int theBlockShapeID, std::ostream& stream);
+ // DEBUG: dump an id of a block sub-shape
- SMESH_Block (): myNbIterations(0), mySumDist(0.) {}
+
+ public:
+ // ---------------
+ // Initialization
+ // ---------------
+
+ SMESH_Block();
bool LoadBlockShapes(const TopoDS_Shell& theShell,
const TopoDS_Vertex& theVertex000,
const TopoDS_Vertex& theVertex001,
-// TopTools_IndexedMapOfShape& theShapeIDMap
TopTools_IndexedMapOfOrientedShape& theShapeIDMap );
+ // Initialize block geometry with theShell,
// add sub-shapes of theBlock to theShapeIDMap so that they get
// IDs acoording to enum TShapeID
+ bool LoadBlockShapes(const TopTools_IndexedMapOfOrientedShape& theShapeIDMap);
+ // Initialize block geometry with shapes from theShapeIDMap
+
bool LoadMeshBlock(const SMDS_MeshVolume* theVolume,
const int theNode000Index,
const int theNode001Index,
- vector<const SMDS_MeshNode*>& theOrderedNodes);
+ std::vector<const SMDS_MeshNode*>& theOrderedNodes);
// prepare to work with theVolume and
- // return nodes in the order of TShapeID enum
+ // return nodes in theVolume corners in the order of TShapeID enum
+
+ bool LoadFace(const TopoDS_Face& theFace,
+ const int theFaceID,
+ const TopTools_IndexedMapOfOrientedShape& theShapeIDMap);
+ // Load face geometry.
+ // It is enough to compute params or coordinates on the face.
+ // Face subshapes must be loaded into theShapeIDMap before
+
+ static bool Insert(const TopoDS_Shape& theShape,
+ const int theShapeID,
+ TopTools_IndexedMapOfOrientedShape& theShapeIDMap);
+ // Insert theShape into theShapeIDMap with theShapeID,
+ // Not yet set shapes preceding theShapeID are filled with compounds
+ // Return true if theShape was successfully bound to theShapeID
+
+ static bool FindBlockShapes(const TopoDS_Shell& theShell,
+ const TopoDS_Vertex& theVertex000,
+ const TopoDS_Vertex& theVertex001,
+ TopTools_IndexedMapOfOrientedShape& theShapeIDMap );
+ // add sub-shapes of theBlock to theShapeIDMap so that they get
+ // IDs acoording to enum TShapeID
- static int GetShapeIDByParams ( const gp_XYZ& theParams );
- // define an id of the block sub-shape by point parameters
+public:
+ // ---------------------------------
+ // Define coordinates by parameters
+ // ---------------------------------
bool VertexPoint( const int theVertexID, gp_XYZ& thePoint ) const {
if ( !IsVertexID( theVertexID )) return false;
- thePoint = myPnt[ theVertexID - ID_V000 ]; return true;
+ thePoint = myPnt[ theVertexID - ID_FirstV ]; return true;
}
- // return vertex coordinates
+ // return vertex coordinates, parameters are defined by theVertexID
bool EdgePoint( const int theEdgeID, const gp_XYZ& theParams, gp_XYZ& thePoint ) const {
if ( !IsEdgeID( theEdgeID )) return false;
- thePoint = myEdge[ theEdgeID - ID_Ex00 ].Point( theParams ); return true;
+ thePoint = myEdge[ theEdgeID - ID_FirstE ].Point( theParams ); return true;
}
// return coordinates of a point on edge
+ bool EdgeU( const int theEdgeID, const gp_XYZ& theParams, double& theU ) const {
+ if ( !IsEdgeID( theEdgeID )) return false;
+ theU = myEdge[ theEdgeID - ID_FirstE ].GetU( theParams ); return true;
+ }
+ // return parameter on edge by in-block parameters
+
bool FacePoint( const int theFaceID, const gp_XYZ& theParams, gp_XYZ& thePoint ) const {
if ( !IsFaceID ( theFaceID )) return false;
- thePoint = myFace[ theFaceID - ID_Fxy0 ].Point( theParams ); return true;
+ thePoint = myFace[ theFaceID - ID_FirstF ].Point( theParams ); return true;
}
// return coordinates of a point on face
+ bool FaceUV( const int theFaceID, const gp_XYZ& theParams, gp_XY& theUV ) const {
+ if ( !IsFaceID ( theFaceID )) return false;
+ theUV = myFace[ theFaceID - ID_FirstF ].GetUV( theParams ); return true;
+ }
+ // return UV coordinates on a face by in-block parameters
+
bool ShellPoint( const gp_XYZ& theParams, gp_XYZ& thePoint ) const;
// return coordinates of a point in shell
+ static bool ShellPoint(const gp_XYZ& theParams,
+ const std::vector<gp_XYZ>& thePointOnShape,
+ gp_XYZ& thePoint );
+ // computes coordinates of a point in shell by points on sub-shapes
+ // and point parameters.
+ // thePointOnShape[ subShapeID ] must be a point on a subShape;
+ // thePointOnShape.size() == ID_Shell, thePointOnShape[0] not used
+
+
+ public:
+ // ---------------------------------
+ // Define parameters by coordinates
+ // ---------------------------------
+
bool ComputeParameters (const gp_Pnt& thePoint,
gp_XYZ& theParams,
- const int theShapeID = ID_Shell);
- // compute point parameters in the block
+ const int theShapeID = ID_Shell,
+ const gp_XYZ& theParamsHint = gp_XYZ(-1,-1,-1));
+ // compute point parameters in the block.
+ // Note: for edges, it is better to use EdgeParameters()
- static void GetFaceEdgesIDs (const int faceID, vector< int >& edgeVec );
- // return edges IDs of a face in the order u0, u1, 0v, 1v
+ bool VertexParameters(const int theVertexID, gp_XYZ& theParams);
+ // return parameters of a vertex given by TShapeID
- static void GetEdgeVertexIDs (const int edgeID, vector< int >& vertexVec );
- // return vertex IDs of an edge
+ bool EdgeParameters(const int theEdgeID, const double theU, gp_XYZ& theParams);
+ // return parameters of a point given by theU on edge
- static int GetCoordIndOnEdge (const int theEdgeID)
- { return (theEdgeID < ID_E0y0) ? 1 : (theEdgeID < ID_E00z) ? 2 : 3; }
- // return an index of a coordinate which varies along the edge
- static double* GetShapeCoef (const int theShapeID);
- // for theShapeID( TShapeID ), returns 3 coefficients used
- // to compute an addition of an on-theShape point to coordinates
- // of an in-shell point. If an in-shell point has parameters (Px,Py,Pz),
- // then the addition of a point P is computed as P*kx*ky*kz and ki is
- // defined by the returned coef like this:
- // ki = (coef[i] == 0) ? 1 : (coef[i] < 0) ? 1 - Pi : Pi
+ public:
+ // ---------------
+ // Block geomerty
+ // ---------------
+
+
+
+ public:
+ // ---------
+ // Services
+ // ---------
- static bool IsForwardEdge (const TopoDS_Edge & theEdge,
- //TopTools_IndexedMapOfShape& theShapeIDMap
- TopTools_IndexedMapOfOrientedShape& theShapeIDMap) {
+ static bool IsForwardEdge (const TopoDS_Edge & theEdge,
+ const TopTools_IndexedMapOfOrientedShape& theShapeIDMap) {
int v1ID = theShapeIDMap.FindIndex( TopExp::FirstVertex( theEdge ).Oriented( TopAbs_FORWARD ));
int v2ID = theShapeIDMap.FindIndex( TopExp::LastVertex( theEdge ).Oriented( TopAbs_FORWARD ));
return ( v1ID < v2ID );
}
// Return true if an in-block parameter increases along theEdge curve
- static void Swap(double& a, double& b) { double tmp = a; a = b; b = tmp; }
+ static int GetOrderedEdges (const TopoDS_Face& theFace,
+ TopoDS_Vertex theFirstVertex,
+ std::list< TopoDS_Edge >& theEdges,
+ std::list< int > & theNbVertexInWires,
+ const bool theShapeAnalysisAlgo=false);
+ // Return nb wires and a list of oredered edges.
+ // It is used to assign indices to subshapes.
+ // theFirstVertex may be NULL.
+ // Always try to set a seam edge first
+ // if (theShapeAnalysisAlgo) then ShapeAnalysis::OuterWire() is used to find the outer
+ // wire else BRepTools::OuterWire() is used
- // methods of math_FunctionSetWithDerivatives
+ public:
+ // -----------------------------------------------------------
+ // Methods of math_FunctionSetWithDerivatives used internally
+ // to define parameters by coordinates
+ // -----------------------------------------------------------
Standard_Integer NbVariables() const;
Standard_Integer NbEquations() const;
Standard_Boolean Value(const math_Vector& X,math_Vector& F) ;
Standard_Boolean Values(const math_Vector& X,math_Vector& F,math_Matrix& D) ;
Standard_Integer GetStateNumber ();
- static ostream& DumpShapeID (const int theBlockShapeID, ostream& stream);
- // DEBUG: dump an id of a block sub-shape
+ protected:
+
+ /*!
+ * \brief Call it after geometry initialisation
+ */
+ void init();
+
+ // Note: to compute params of a point on a face, it is enough to set
+ // TFace, TEdge's and points for that face only
- private:
+ // Note 2: curve adaptors need to have only Value(double), FirstParameter() and
+ // LastParameter() defined to be used by Block algoritms
- struct TEdge {
+ class SMESH_EXPORT TEdge {
int myCoordInd;
double myFirst;
double myLast;
- Handle(Geom_Curve) myC3d;
- gp_Trsf myTrsf;
- double GetU( const gp_XYZ& theParams ) const;
- gp_XYZ Point( const gp_XYZ& theParams ) const;
+ Adaptor3d_Curve* myC3d;
// if mesh volume
gp_XYZ myNodes[2];
+ public:
+ void Set( const int edgeID, Adaptor3d_Curve* curve, const bool isForward );
+ void Set( const int edgeID, const gp_XYZ& node1, const gp_XYZ& node2 );
+ Adaptor3d_Curve* GetCurve() const { return myC3d; }
+ double EndParam(int i) const { return i ? myLast : myFirst; }
+ int CoordInd() const { return myCoordInd; }
+ const gp_XYZ& NodeXYZ(int i) const { return i ? myNodes[1] : myNodes[0]; }
+ gp_XYZ Point( const gp_XYZ& theParams ) const; // Return coord by params
+ double GetU( const gp_XYZ& theParams ) const; // Return U by params
+ TEdge(): myC3d(0) {}
+ ~TEdge();
};
- struct TFace {
+ class SMESH_EXPORT TFace {
// 4 edges in the order u0, u1, 0v, 1v
int myCoordInd[ 4 ];
double myFirst [ 4 ];
double myLast [ 4 ];
- Handle(Geom2d_Curve) myC2d [ 4 ];
+ Adaptor2d_Curve2d* myC2d [ 4 ];
// 4 corner points in the order 00, 10, 11, 01
gp_XY myCorner [ 4 ];
// surface
- Handle(Geom_Surface) myS;
- gp_Trsf myTrsf;
+ Adaptor3d_Surface* myS;
+ // if mesh volume
+ gp_XYZ myNodes[4];
+ public:
+ void Set( const int faceID, Adaptor3d_Surface* S, // must be in GetFaceEdgesIDs() order:
+ Adaptor2d_Curve2d* c2d[4], const bool isForward[4] );
+ void Set( const int faceID, const TEdge& edgeU0, const TEdge& edgeU1 );
gp_XY GetUV( const gp_XYZ& theParams ) const;
gp_XYZ Point( const gp_XYZ& theParams ) const;
int GetUInd() const { return myCoordInd[ 0 ]; }
int GetVInd() const { return myCoordInd[ 2 ]; }
void GetCoefs( int i, const gp_XYZ& theParams, double& eCoef, double& vCoef ) const;
- // if mesh volume
- gp_XYZ myNodes[4];
+ TFace(): myS(0) { myC2d[0]=myC2d[1]=myC2d[2]=myC2d[3]=0; }
+ ~TFace();
};
- TopoDS_Shell myShell;
// geometry in the order as in TShapeID:
// 8 vertices
gp_XYZ myPnt[ 8 ];
// for param computation
+ enum { SQUARE_DIST = 0, DRV_1, DRV_2, DRV_3 };
+ double distance () const { return sqrt( myValues[ SQUARE_DIST ]); }
+ double funcValue(double sqDist) const { return mySquareFunc ? sqDist : sqrt(sqDist); }
+ bool computeParameters(const gp_Pnt& thePoint, gp_XYZ& theParams, const gp_XYZ& theParamsHint);
+
int myFaceIndex;
double myFaceParam;
int myNbIterations;
double mySumDist;
+ double myTolerance;
+ bool mySquareFunc;
gp_XYZ myPoint; // the given point
gp_XYZ myParam; // the best parameters guess
- double myValues[ 4 ]; // values computed at myParam
+ double myValues[ 4 ]; // values computed at myParam: square distance and 3 derivatives
- typedef pair<gp_XYZ,gp_XYZ> TxyzPair;
- TxyzPair my3x3x3GridNodes[ 27 ];
+ typedef std::pair<gp_XYZ,gp_XYZ> TxyzPair;
+ TxyzPair my3x3x3GridNodes[ 27 ]; // to compute the first param guess
bool myGridComputed;
};
