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/***************************************************************************
ValueEvent.h - description
-------------------
begin : mar f�v 4 2003
copyright : (C) 2003 by TIMC
email : Emmanuel.Promayon@imag.fr
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#ifndef VALUEEVENT_H
#define VALUEEVENT_H
#include "xmlio.h"
#include <sofa/helper/system/config.h>
/** a valueEvent of a load is composed of a value and a date
*
* $Revision: 44 $
*/
class ValueEvent {
public:
/// constructor with initial values
ValueEvent(const double v, const double d):value(v),date(d) {};
/// default constructor
ValueEvent():value(0.0), date(0.0) {};
/// destructor
~ValueEvent() {};
/// return true if the event is active at time t
bool isActive(const SReal t) const;
/// return the scalar value of the event
double getValue() ;
/// return the scalar value of the event at time t
double getValue(const double t) ;
/// return the scalar value of the event at time t, knowing that next event is nextE
double getValue(const double t, ValueEvent * nextE) ;
/// set the value event date
void setDate(const double);
/// set the value event value
void setValue(const double);
/// double get start time
double getDate() const;
/** print to an output stream in XML format.
* @see load.xsd the loadML XML schema
*/
friend std::ostream & operator << (std::ostream &, ValueEvent);
/// Print to an ostream
void xmlPrint(std::ostream &);
private:
/// actual value
double value;
/// actual date
double date;
};
#endif //VALUEEVENT_H
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