Data read from mysql server
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9a2d26fc3b
commit
f13cb7cb51
68
DB_Track.cpp
68
DB_Track.cpp
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@ -19,20 +19,8 @@ int main(int argc, char* argv[])
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std::cout << "Press enter for the next track." << std::endl << "Press Ctrl + C to exit." << std::endl;
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TH2D *twoDhisto = new TH2D("2Dhisto","2Dhisto", 100, 0, 32, 100, 0, 32);
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TH2D *twodhisto = new TH2D("twodhisto", "twodhisto", 100, 0, 32, 100, 0, 4);
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TCanvas *canvas = new TCanvas();
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std::vector<int> ch_id;
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std::vector<int> sec;
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std::vector<int> nsec;
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std::vector<int> amp;
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std::vector<int> x_v;
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std::vector<int> y_v;
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int iterator = 0;
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int null = 0;
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canvas -> cd(0);
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TrackFinder finder;
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@ -40,59 +28,17 @@ int main(int argc, char* argv[])
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{
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if(std::cin.get() == '\n')
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{
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twoDhisto -> Reset();
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x_v.clear();
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y_v.clear();
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if(finder.FindTrack())
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if(finder.FindAndDrawNextTrack(twodhisto, canvas))
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{
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finder.GetTrack(ch_id, sec, nsec, amp);
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for(int i = 0; i < ch_id.size(); i++)
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{
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if(ch_id[i] < 32)
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{
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x_v.push_back(ch_id[i]);
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}
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else
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{
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y_v.push_back(ch_id[i] - 32);
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}
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}
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if(x_v.size() == 0)
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{
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for(int i = 0; i < y_v.size(); i++)
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{
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twoDhisto -> Fill(null, y_v[i]);
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}
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}
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if(y_v.size() == 0)
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{
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for(int i = 0; i < x_v.size(); i++)
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{
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twoDhisto -> Fill(x_v[i], null);
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}
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}
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if(x_v.size() > 0 && y_v.size() > 0)
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{
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for(int z = 0; z < x_v.size(); z++)
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{
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for(int j = 0; j < y_v.size(); j++)
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{
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twoDhisto -> Fill(x_v[z], y_v[j]);
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}
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}
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}
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gSystem -> ProcessEvents();
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}
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else
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{
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std::cout << "Reached the end of the database" << std::endl;
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}
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iterator++;
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twoDhisto -> Draw("colz");
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canvas -> Update();
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gSystem -> ProcessEvents();
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}
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}
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std::cout << iterator << std::endl;
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App.Run();
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return 0;
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}
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@ -0,0 +1,41 @@
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//
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// SQLHandler.hpp
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// DB_Track
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//
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// Created by Baranyai David on 2018. 10. 13..
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//
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#ifndef SQLHandler_hpp
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#define SQLHandler_hpp
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#include <stdio.h>
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#include <iostream>
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#include <mysql.h>
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#include <vector>
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#include <sstream>
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#include <string>
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struct Hit
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{
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unsigned int channel_id;
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unsigned int elapsed_time;
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unsigned int amplitude_peak;
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};
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class SQLHandler
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{
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public:
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SQLHandler();
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~SQLHandler();
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std::vector<Hit> QueryNext();
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void SetRange(unsigned int);
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private:
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unsigned int range;
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uint64_t latest_value;
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MYSQL *server;
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unsigned int min_hits;
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};
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#endif /* SQLHandler_hpp */
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@ -13,33 +13,21 @@
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#include <vector>
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#include <string>
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#include <sstream>
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#include "SQLHandler.hpp"
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#include "TH2D.h"
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#include "TCanvas.h"
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class TrackFinder
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{
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public:
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TrackFinder();
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~TrackFinder();
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bool FindTrack();
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void GetTrack(std::vector<int>&, std::vector<int>&, std::vector<int>&, std::vector<int>&);
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bool FindAndDrawNextTrack(TH2D*, TCanvas*);
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private:
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std::ifstream file;
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std::string line;
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int interval = 900000; //nanosec
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std::vector<Hit> track_data[4]; //4 chambers
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int ch_id_1 = 0;
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int sec_1 = 0;
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int nsec_1 = 0;
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int amp_1 = 0;
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int line_data[4];
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std::vector<int> ch_id;
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std::vector<int> amp;
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std::vector<int> sec;
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std::vector<int> nsec;
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bool istrackavailable = false;
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SQLHandler sqlHandler;
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};
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#endif /* TrackFinder_hpp */
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@ -0,0 +1,127 @@
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//
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// SQLHandler.cpp
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// DB_Track
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//
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// Created by Baranyai David on 2018. 10. 13..
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//
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#include "SQLHandler.hpp"
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SQLHandler::SQLHandler()
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{
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latest_value = 0;
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range = 9000000000;
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min_hits = 4; //need at least 4 hits
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server = mysql_init(server);
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try
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{
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if (!mysql_real_connect(server, "localhost", "root", "raspberry", "adatok", 0, NULL, 0))
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{
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throw "Can't connect to the server";
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}
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else
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{
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std::cout << "-----------------------------" << std::endl;
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std::cout << "Successfully connected" << std::endl;
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std::cout << "Host info: " << mysql_get_host_info(server) << std::endl;
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std::cout << "Client info: " << mysql_get_client_info() << std::endl;
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std::cout << "-----------------------------" << std::endl << std::endl;
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std::cout << "Getting the first value..." << std::endl;
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std::string query = "SELECT min(time_sum) FROM (SELECT *, (time_sec * (power(10, 7)) + time_ns) time_sum FROM fb55) sum";
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if (!mysql_query(server, query.c_str()))
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{
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MYSQL_RES *result = mysql_store_result(server);
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if (mysql_num_fields(result) == 1) //1 oszlop
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{
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MYSQL_ROW row;
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if(mysql_num_rows(result) == 1) //1 érték
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{
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row = mysql_fetch_row(result);
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latest_value = std::stoll(row[0]);
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std::cout << "Min value = " << latest_value <<std::endl;
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}
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else throw "More than one row error";
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}
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else throw "More than one column error";
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}
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}
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} catch (char const* s)
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{
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std::cout << s <<std::endl;
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}
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}
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SQLHandler::~SQLHandler()
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{
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mysql_close(server);
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delete server;
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}
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//MAIN QUERY:
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//SELECT * FROM (SELECT ch_id, time_sec, time_ns, (time_sec * (power(10, 7)) + time_ns) time_sum FROM fb55) s WHERE time_sum BETWEEN 2521025900 AND 2570247800 ORDER BY time_sum ASC
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std::vector<Hit> SQLHandler::QueryNext()
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{
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try
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{
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std::cout << "Getting next between " << latest_value << " and " << latest_value + range << std::endl;
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std::stringstream query;
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unsigned int nRow = 0;
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std::vector<Hit> hit_vector;
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while(nRow < min_hits)
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{
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hit_vector.clear();
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double max = latest_value + range;
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query << "SELECT * FROM (SELECT ch_id, peak_amp, (time_sec * (power(10, 7)) + time_ns) time_sum FROM fb55) s WHERE time_sum BETWEEN " << latest_value << " AND " << max << " ORDER BY time_sum ASC";
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if (!mysql_query(server, query.str().c_str())) //Start query
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{
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MYSQL_RES *result = mysql_store_result(server); //store result
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unsigned int nColumn = mysql_num_fields(result); //store column number
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if (nColumn == 3) //3 oszlop, se több, se kevesebb
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{
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MYSQL_ROW row;
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nRow = mysql_num_rows(result);
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if(nRow > min_hits) //at least
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{
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Hit hit_helper;
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for(int i = 0; i < nRow; i++)
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{
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row = mysql_fetch_row(result);
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hit_helper.channel_id = atoi(row[0]);
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hit_helper.amplitude_peak = atoi(row[1]);
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hit_helper.elapsed_time = std::stoll(row[2]);
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hit_vector.push_back(hit_helper);
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}
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latest_value = atof(row[2]);
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//std::cout << "Min value = " << latest_value <<std::endl;
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return hit_vector;
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}
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else if(nRow != 0)
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{
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for(int i = 0; i < nRow; i++) //seek to the end
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{
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row = mysql_fetch_row(result);
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}
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latest_value = atoi(row[2]); //store the latest value
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}
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}
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else throw "More than three column error";
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}
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}
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return hit_vector;
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}
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catch (char const* s)
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{
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std::cout << s << std::endl;
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return std::vector<Hit>();
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}
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}
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void SQLHandler::SetRange(unsigned int n_range)
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{
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range = n_range;
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}
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@ -10,101 +10,55 @@
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TrackFinder::TrackFinder()
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{
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try
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{
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file.open("data.txt");
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if(!file.is_open())
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{
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throw "File opening error";
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}
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getline(file, line);
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std::istringstream is(line);
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for(int i = 0; i < 4; i++)
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{
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is >> line_data[i];
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}
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ch_id_1 = line_data[0];
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sec_1 = line_data[1];
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nsec_1 = line_data[2];
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amp_1 = line_data[3];
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ch_id.push_back(ch_id_1);
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sec.push_back(sec_1);
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nsec.push_back(nsec_1);
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amp.push_back(amp_1);
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}
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catch(char param)
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{
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std::cout << param << std::endl;
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}
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}
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TrackFinder::~TrackFinder()
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{
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file.close();
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}
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bool TrackFinder::FindTrack()
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bool TrackFinder::FindAndDrawNextTrack(TH2D* histo, TCanvas *canvas)
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{
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ch_id.erase(ch_id.begin(), ch_id.end());
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sec.erase(sec.begin(), sec.end());
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nsec.erase(nsec.begin(), nsec.end());
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amp.erase(amp.begin(), amp.end());
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while(!file.eof())
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std::vector<Hit> track;
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track.clear();
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for(int i = 0; i < 4; i++)
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{
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getline(file, line);
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std::istringstream is(line);
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track_data[i].clear();
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}
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track = sqlHandler.QueryNext();
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histo -> Reset();
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canvas -> cd(0);
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if (track.size() == 0)
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{
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std::cout << "End of database" << std::endl;
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return false;
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}
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else
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{
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for(int i = 0; i < track.size(); i++)
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{
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Hit helper;
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helper.amplitude_peak = track[i].amplitude_peak;
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helper.elapsed_time = track[i].elapsed_time;
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helper.channel_id = track[i].channel_id % 16;
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track_data[track[i].channel_id / 16].push_back(helper);
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}
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for(int i = 0; i < 4; i++)
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{
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is >> line_data[i];
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for(int j = 0; j < track_data[i].size(); j++)
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{
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histo -> Fill(track_data[i][j].channel_id, i, track_data[i][j].amplitude_peak);
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}
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}
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long old = ((line_data[1]*1000000)+line_data[2]);
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long nw = ((sec_1*1000000)+nsec_1);
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if( old - nw < interval)
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{
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ch_id_1 = line_data[0];
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sec_1 = line_data[1];
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nsec_1 = line_data[2];
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amp_1 = line_data[3];
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histo -> Draw("colz");
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canvas -> Update();
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ch_id.push_back(ch_id_1);
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sec.push_back(sec_1);
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nsec.push_back(nsec_1);
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amp.push_back(amp_1);
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}
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else if(ch_id.size() < 4) //ha négynél kevesebb szál szólalt meg
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{
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ch_id_1 = line_data[0];
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sec_1 = line_data[1];
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nsec_1 = line_data[2];
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amp_1 = line_data[3];
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ch_id.erase(ch_id.begin(), ch_id.end());
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sec.erase(sec.begin(), sec.end());
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nsec.erase(nsec.begin(), nsec.end());
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amp.erase(amp.begin(), amp.end());
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ch_id.push_back(ch_id_1);
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sec.push_back(sec_1);
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nsec.push_back(nsec_1);
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amp.push_back(amp_1);
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}
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else if(ch_id.size() >= 4) //ha négynél több
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{
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istrackavailable = true;
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return true;
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}
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}
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return false;
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}
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void TrackFinder::GetTrack(std::vector<int> &ch, std::vector<int> &s, std::vector<int> &ns, std::vector<int> &a)
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{
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if(istrackavailable)
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{
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ch = ch_id;
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s = sec;
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ns = nsec;
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a = amp;
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return true;
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}
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}
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