--- /dev/null
+// Copyright (C) 2007-2010 CEA/DEN, EDF R&D
+//
+// 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 : BLSURFPlugin_Attractor.hxx
+// Authors : Renaud Nédélec (OCC)
+// ---
+//
+// The idea of the algorithm used to calculate the distance on a
+// non-euclidian parametric surface has been found in the ref. below:
+//
+// Ref:"Accurate Anisotropic Fast Marching for Diffusion-Based Geodesic Tractography"
+// S. Jbabdi, P. Bellec, R. Toro, Daunizeau, M. Pélégrini-Issac, and H. Benali1
+//
+
+#ifndef _BLSURFPlugin_Attractor_HXX_
+#define _BLSURFPlugin_Attractor_HXX_
+
+#include <vector>
+#include <map>
+#include <set>
+#include <stdexcept>
+#include <string>
+#include <limits>
+#include <utilities.h>
+
+// OPENCASCADE includes
+#include <BRep_Tool.hxx>
+#include <TopExp.hxx>
+#include <TopExp_Explorer.hxx>
+#include <TopoDS.hxx>
+#include <NCollection_Map.hxx>
+
+#include <Geom_Surface.hxx>
+#include <Handle_Geom_Surface.hxx>
+#include <Geom2d_Curve.hxx>
+#include <Handle_Geom2d_Curve.hxx>
+#include <Geom_Curve.hxx>
+#include <Handle_Geom_Curve.hxx>
+#include <Handle_AIS_InteractiveObject.hxx>
+#include <TopoDS_Vertex.hxx>
+#include <TopoDS_Edge.hxx>
+#include <TopoDS_Wire.hxx>
+#include <TopoDS_Face.hxx>
+
+#include <gp_Pnt2d.hxx>
+#include <TopTools_IndexedMapOfShape.hxx>
+#include <TopoDS_Shape.hxx>
+#include <BRep_Builder.hxx>
+#include <BRepTools.hxx>
+
+#include <TopTools_DataMapOfShapeInteger.hxx>
+#include <GProp_GProps.hxx>
+#include <BRepGProp.hxx>
+
+#ifndef WNT
+#include <fenv.h>
+#endif
+
+#include <Standard_ErrorHandler.hxx>
+#include <GeomAPI_ProjectPointOnCurve.hxx>
+#include <GeomAPI_ProjectPointOnSurf.hxx>
+#include <gp_XY.hxx>
+#include <gp_XYZ.hxx>
+#include <TopTools_MapOfShape.hxx>
+
+#define TYPE_EXP 0
+#define TYPE_LIN 1
+
+class BLSURFPlugin_Attractor {
+
+ public:
+
+ BLSURFPlugin_Attractor ();
+ BLSURFPlugin_Attractor (const TopoDS_Face& Face, const TopoDS_Shape& Attractor, const std::string& attEntry, double Step = 0.015);
+ bool init(); // Calculates the discrete points correponding to attractor
+ // and intialises the map of distances
+ double GetSize (double u, double v);
+ TopoDS_Face GetFace() const { return _face; }
+ TopoDS_Shape GetAttractorShape() const { return _attractorShape; }
+ std::string GetAttractorEntry() const { return _attEntry; }
+ double GetStep() const { return _step; }
+ std::vector<double> GetParameters() const
+ {
+ double tab_params[] = {_startSize, _endSize, _actionRadius, _constantRadius};
+ std::vector<double> params (tab_params, tab_params + sizeof(tab_params) / sizeof(double) );
+ return params;
+ }
+
+ void SetParameters(double Start_Size, double End_Size, double Action_Radius, double Constant_Radius);
+ void SetType(int type){ _type = type; }
+
+ void BuildMap(); // Builds the map of distances between source point and any point P(u,v)
+ bool IsMapBuilt() const { return _isMapBuilt; } // Controls if the map has been built
+ bool Empty() const { return _isEmpty; }
+
+ typedef std::vector<double> TDiscreteParam;
+ typedef std::vector< std::vector<double> > TDistMap;
+ typedef std::vector< std::vector<bool> > TPointSet;
+ typedef std::set< std::vector<double> > TTrialSet;
+ typedef std::vector<double> Trial_Pnt;
+ typedef std::vector<int> IJ_Pnt;
+
+ private:
+
+ TopoDS_Face _face;
+ TopoDS_Shape _attractorShape;
+ std::string _attEntry;
+ TDiscreteParam _vectU;
+ TDiscreteParam _vectV;
+ TDistMap _DMap;
+ TPointSet _known;
+ TTrialSet _trial;
+ int _type; // Type of function used to calculate the size from the distance (unused for now)
+ double _step; // Step between to value of the discretized parametric space in U or V direction
+ int _gridU; // Number of grid points in U direction
+ int _gridV; // Number of grid points in V direction
+ double _u1, _u2, _v1, _v2; // Bounds of the parametric space of the face
+ double _startSize, _endSize; // User parameters
+ double _actionRadius, _constantRadius; //
+
+ bool _isMapBuilt;
+ bool _isEmpty;
+
+ double _distance(double u, double v);
+};
+
+#endif
