Shows how to use a querier from theme, using a spatial restriction defined by a rectangle (TeBOX)
/************************************************************************************
TerraLib - a library for developing GIS applications.
Copyright � 2001-2004 INPE and Tecgraf/PUC-Rio.

This code is part of the TerraLib library.
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/* 
    This example shows how to use a querier from theme, using a spatial restriction 
           defined by a rectangle (TeBOX). This spatial restriction is associated to querier. 
   
   Author: Karine Reis 
*/


#include "../../src/terralib/drivers/MySQL/TeMySQL.h"
#include "../../src/terralib/kernel/TeQuerier.h"
#include "../../src/terralib/kernel/TeQuerierParams.h"

#include <time.h>
#include <iostream>

using std::cout;

int 
main()
{          
           
           // Datatabase server parameters
     string host = "localhost";
     string dbname = "DB320RC1";
     string user = "root";
     string pass = "";

            // Connects to database
     TeDatabase* db_ = new TeMySQL();
     if (!db_->connect(host,user,pass,dbname))
     {
         cout << "Error: " << db_->errorMessage() << endl;
         return 1;
     }

           // Load the theme 
           TeTheme* ocorrencias = new TeTheme("Ocorrencias");
           if (!db_->loadTheme(ocorrencias))
    {
        cout << "Error: " << db_->errorMessage() << endl; 
                      db_->close(); 
        return 1;
    }
                      
           //All attributes and geometries
           bool loadGeometries = false;
           bool loadAllAttributes = true;
           
           // Set querier parameters - load all attributes and geometries 
           TeQuerierParams querierParams(loadGeometries, loadAllAttributes);
           querierParams.setParams(ocorrencias);

           //Set spatial restriction
           TeBox box(609033.62, 794723.35, 613455.34, 800417.99); 
           querierParams.setSpatialRest(box, TeWITHIN);                      
           
           TeQuerier  querier(querierParams);

           // Load instances from layer based in the querier parameters 
           querier.loadInstances();

           // Traverse all the instances 
           TeSTInstance sti;
           while(querier.fetchInstance(sti))
           {
                      cout << " Object: " << sti.objectId() << " --------------------------- " << endl << endl;
           
                      // Plot each attribute, its name and value
                      TePropertyVector vec = sti.getPropertyVector();
                      for(unsigned int i=0; i<vec.size(); ++i)
                      {
                                 string  attrName = vec[i].attr_.rep_.name_;
                                 string  attrValue = vec[i].value_;

                                 cout << attrName  << " : " << attrValue << endl;

                      }
                      
                      cout << endl << endl;
           }

           cout << " End " << endl;
           getchar(); 
           db_->close ();
           return 0;
}