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/******************************************************************************
* Project: libspatialindex - A C++ library for spatial indexing
* Author: Marios Hadjieleftheriou, mhadji@gmail.com
******************************************************************************
* Copyright (c) 2002, Marios Hadjieleftheriou
*
* All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
******************************************************************************/
#ifndef _random_generator_h
#define _random_generator_h
#include <cassert>
#include <cstdlib>
#include <cstdio>
#include <ctime>
#include <cerrno>
#include <cmath>
#include <string>
#include <iostream>
#include <fstream>
#include <cmath>
#include <sstream>
#include <vector>
#include <map>
#include <set>
#include <stack>
#include <spatialindex/SpatialIndex.h>
#include <spatialindex/tools/Tools.h>
using namespace std;
#define DELETE 0
#define INSERT 1
#define QUERY 2
#define UNIFORM 1
class RandomGenerator
{
public:
RandomGenerator(int ds, int sl, int mui, double a)
: m_datasetSize(ds),
m_simulationLength(sl),
m_initialDistribution(UNIFORM),
m_maximumUpdateInterval(mui),
m_queriesPerTimeInstant(5),
m_minQueryExtent(5),
m_maxQueryExtent(10),
m_horizon(20),
m_maxQueryInterval(10),
m_minQueryInterval(2),
m_agility(a),
m_minSpeed(0.25), // 15 miles/hour = 0.25 miles/minute
m_maxSpeed(1.66), // 100 miles/hour = 1.66 miles/minute
m_speedMean(0.5), // 30 miles/hour = 0.5 miles/minute
m_speedStandardDeviation(0.33), // 20 miles/hour = 0.33 miles/minute
m_maxX(100.0),
m_maxY(100.0),
m_updateArray(nullptr)
{
m_updateArray = new set<int>[m_simulationLength];
}
virtual ~RandomGenerator()
{
for (map<int, MyMovingObject*>::iterator it = m_dataset.begin(); it != m_dataset.end(); it++)
{
delete (*it).second;
}
delete[] m_updateArray;
}
class MyMovingObject
{
public:
double getX(int t)
{
return m_sx + m_vx * (t - m_st);
}
double getY(int t)
{
return m_sy + m_vy * (t - m_st);
}
public:
int m_id;
int m_st;
int m_kt;
double m_sx, m_sy;
double m_vx, m_vy;
bool m_outOfBounds;
};
virtual void generate();
MyMovingObject* createObject(int id, int st, double xmin, double xmax, double ymin, double ymax);
MyMovingObject* createObject(int id, int st, double x, double y);
double generateSpeed();
public:
int m_datasetSize;
int m_simulationLength;
int m_initialDistribution;
int m_maximumUpdateInterval;
int m_queriesPerTimeInstant;
double m_minQueryExtent;
double m_maxQueryExtent;
int m_horizon;
int m_maxQueryInterval;
int m_minQueryInterval;
double m_agility;
double m_minSpeed;
double m_maxSpeed;
double m_speedMean;
double m_speedStandardDeviation;
double m_maxX;
double m_maxY;
map<int, MyMovingObject*> m_dataset;
set<int>* m_updateArray;
Tools::Random m_random;
};
#endif
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