E:/Projetos_Primeiro_Semestre_2012/TerraView/terralib/src/terralib/kernel/TeNetwork.h

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/************************************************************************************
TerraLib - a library for developing GIS applications.
Copyright © 2001-2007 INPE and Tecgraf/PUC-Rio.

This code is part of the TerraLib library.
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, or (at your option) any later version.

You should have received a copy of the GNU Lesser General Public
License along with this library.

The authors reassure the license terms regarding the warranties.
They specifically disclaim any warranties, including, but not limited to,
the implied warranties of merchantability and fitness for a particular purpose.
The library provided hereunder is on an "as is" basis, and the authors have no
obligation to provide maintenance, support, updates, enhancements, or modifications.
In no event shall INPE and Tecgraf / PUC-Rio be held liable to any party for direct,
indirect, special, incidental, or consequential damages arising out of the use
of this library and its documentation.
*************************************************************************************/
#ifndef TeNetwork_H
#define TeNetwork_H

#include "TeGeometry.h"
#include "graph.h"

class TeSTElementSet;


class TL_DLL TeGraphNetwork
{
protected:
           br_stl::Graph<TeNode, double>    graph_;

           TeLineSet                                                         line_set_; 
           
           map<string, double>                                    line_cost_;           

           
public:

           TeGraphNetwork() : graph_ (true) {}; // directed graph
           
                      
           TeGraphNetwork (TeLineSet& ls);
           

           TeGraphNetwork (TeLineSet& ls, map<string, double>& line_costs);
           

           TeGraphNetwork (TeSTElementSet& stos, string& attrName);

           
           TeGraphNetwork& operator=(TeGraphNetwork& other)
           {
                      if(this != &other)
                      {
                                 graph_ = other.graph_;
                                 line_set_ = other.getLineSet();
                                 line_cost_ = other.getLineCosts();
                      }
                      return (*this);
           }

           bool Add (TeLineSet& ls, map<string, double>& line_costs); 

           bool minimumPath (TeNode& n1, TeNodeSet& set, vector<double>& dist);

           bool getNode (int i, TeNode& node); 
           
           bool nearestNodePoint (TeCoord2D& p1, int& lindex, TeCoord2D& pinter, double& distance, double tol = 0.0);

           bool nearestNetworkPoint (TeCoord2D& p1, int& lindex, TeCoord2D& pinter, double& distance, double tol = 0.0);

           TeLineSet getLineSet () { return line_set_;}

           map<string, double>   getLineCosts () {return line_cost_;}

           void insertLine (TeLine2D& line, const double& attr);  

           bool breakLineSet (TeNode& node, int i); //maybe should be done externally.

           virtual ~TeGraphNetwork () {}

};


class TL_DLL TeNetwork
{
public:
           br_stl::Graph<TeNode, double>    graph_;
           
           TeLineSet                                                         line_set_; 
           
           map<string, TeArc>                                     arcs_map_; 

public:
           TeNetwork() : graph_ (false) { };

           TeNetwork (TeLineSet& ls);  

           bool minimumPath (TeNode& n1, TeNodeSet& set, vector<double>& dist);


           void insertLine (TeLine2D& line, const double& attr);


           bool insertNode (TeNode& node, int i);

           bool getNode (int i, TeNode& node); 

           bool nearestNetworkPoint (TeCoord2D& p1, int& lindex, TeCoord2D& pinter, double& distance, double tol = 0.0);
           
           bool nearestNodePoint (TeCoord2D& p1, int& lindex, TeCoord2D& pinter, double& distance, double tol = 0.0);

           virtual ~TeNetwork () {}

           TeLineSet getLineSet () { return line_set_;}

};

#endif