--- /dev/null
+// File : FrontTrack_NodesOnGeom.hxx
+// Created : Tue Apr 25 19:12:25 2017
+// Author : Edward AGAPOV (eap)
+
+
+#ifndef __FrontTrack_NodesOnGeom_HXX__
+#define __FrontTrack_NodesOnGeom_HXX__
+
+#include "FrontTrack_Projector.hxx"
+
+#include <Bnd_Box.hxx>
+#include <NCollection_DataMap.hxx>
+#include <TopoDS_Shape.hxx>
+#include <TColStd_DataMapOfIntegerInteger.hxx>
+
+#include <string>
+#include <vector>
+
+namespace FT_Utils {
+ struct XaoGroups;
+}
+namespace MEDCoupling {
+ class DataArrayDouble;
+}
+namespace XAO {
+ class BrepGeometry;
+}
+
+ //--------------------------------------------------------------------------------------------
+/*!
+ * \brief Node group and geometry to project onto
+ */
+class FT_NodesOnGeom
+{
+public:
+
+ // read node IDs form a file and try to find a boundary sub-shape by name
+ void read( const std::string& nodesFile,
+ const FT_Utils::XaoGroups& xaoGroups,
+ MEDCoupling::DataArrayDouble* nodeCoords,
+ std::vector< FT_Projector > * allProjectorsByDim);
+
+ // chose boundary shapes by evaluating distance between nodes and shapes
+ //void choseShape( const std::vector< FT_Utils::ShapeAndBndBox >& shapeAndBoxList );
+
+ // project nodes to the shapes and move them to new positions
+ void projectAndMove();
+
+ // return true if all nodes were successfully relocated
+ bool isOK() const { return _OK; }
+
+ // return dimension of boundary shapes
+ int getShapeDim() const { return _shapeDim; }
+
+ // return nb of nodes to move
+ int nbNodes() const { return _nodes.size(); }
+
+
+private:
+
+ // put nodes in the order for optimal projection
+ void putNodesInOrder();
+
+ // get node coordinates
+ gp_Pnt getPoint( const int nodeID );
+
+ // change node coordinates
+ void moveNode( const int nodeID, const gp_Pnt& xyz );
+
+
+ // Ids of a node to move and its 2 or 4 neighbors
+ struct FT_NodeToMove
+ {
+ int _nodeToMove;
+ std::vector< int > _neighborNodes;
+
+ double _params[2]; // parameters on shape (U or UV) found by projection
+ double *_nearParams; // _params of a neighbor already projected node
+
+ FT_NodeToMove(): _nearParams(0) {}
+ };
+
+ std::vector< std::string > _groupNames;
+ int _shapeDim; // dimension of boundary shapes
+ std::vector< FT_NodeToMove > _nodes; // ids of nodes to move and their neighbors
+ std::vector< FT_Projector > _projectors; // FT_Projector's initialized with boundary shapes
+ std::vector< FT_Projector > * _allProjectors; // FT_Projector's for all shapes of _shapeDim
+ MEDCoupling::DataArrayDouble* _nodeCoords;
+ bool _OK; // projecting is successful
+
+ // map of { FT_NodeToMove::_neighborNodes[i] } to { FT_NodeToMove* }
+ // this map is used to find neighbor nodes
+ typedef NCollection_DataMap< int, std::vector< FT_NodeToMove* > > TNodeIDToLinksMap;
+ TNodeIDToLinksMap _neigborsMap;
+ std::vector<int> _nodesOrder;
+
+};
+
+#endif
